{"title":"Discontinued \u0026 Legacy Parts","description":"\u003cp\u003eDiscontinued and legacy fire alarm parts that keep installed systems running. Where the manufacturer has released a newer model, each product page shows the recommended replacement. Need help matching a part? \u003ca href=\"\/pages\/request-a-quote\"\u003eRequest a quote\u003c\/a\u003e and our team will confirm compatibility.\u003c\/p\u003e","products":[{"product_id":"system-sensor-b501-intelligent-plug-in-detector-base","title":"System Sensor B501 Intelligent Plug-In Detector Base","description":"\u003ch2\u003eSystem Sensor B501 Intelligent Plug-In Detector Base\u003c\/h2\u003e\n\u003cp\u003eThe System Sensor B501 Intelligent Plug-In Detector Base is designed for use with compatible System Sensor intelligent smoke and heat detectors in addressable fire alarm systems. Engineered for quick installation and dependable performance, the B501 provides secure detector mounting while simplifying wiring and future maintenance.\u003c\/p\u003e\n\u003cp\u003eThe base features screw terminals for power and remote annunciator connections and communicates with compatible intelligent detectors over the system power lines (+ and –). Its plug-in design allows detector heads to be installed or replaced quickly without disturbing field wiring, reducing installation time and ongoing maintenance costs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIntelligent plug-in detector base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for compatible System Sensor addressable detectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScrew terminals for power connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports remote annunciator connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommunicates over the system power lines (+ and –)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlug-in design for fast detector installation and replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSimplifies maintenance and servicing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurable, low-profile construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for new installations and retrofit projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine System Sensor accessory\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe System Sensor B501 is ideal for use in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffice buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSchools and universities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHospitals and healthcare facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHotels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRetail stores\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGovernment buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAddressable fire alarm systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturer: System Sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModel: B501\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Type: Intelligent Plug-In Detector Base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatibility: Compatible System Sensor intelligent smoke and heat detectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnection Type: Screw terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote Annunciator Support: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication: Over system power lines (+ and –)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Style: Plug-in detector base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Addressable fire alarm systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose the System Sensor B501?\u003c\/h2\u003e\n\u003cp\u003eThe System Sensor B501 provides a reliable foundation for intelligent fire detection systems by combining fast installation, secure detector mounting, and simplified maintenance. With screw terminals for easy wiring, remote annunciator support, and compatibility with System Sensor addressable detectors, it is an excellent choice for commercial fire alarm installations requiring dependable long-term performance.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132750004448,"sku":"B501","price":4.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-bases-default-title-system-sensor-b501-intelligent-plug-in-detector-base-34869592457440.jpg?v=1793438136"},{"product_id":"system-sensor-5251rb-heat-sensor","title":"System Sensor 5251RB Heat Sensor","description":"\u003ch2\u003eSystem Sensor 5251RB Heat Sensor ROR - Analog\u003c\/h2\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132756721888,"sku":"5251RB","price":67.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-heat-detectors-default-title-system-sensor-5251rb-heat-sensor-31897157599456.jpg?v=1793438236"},{"product_id":"system-sensor-b200s-lf-replaced-by-b200s-lf-iv","title":"System Sensor B200S-LF (Replaced by B200S-LF-IV)","description":"\u003ch2\u003eSystem Sensor B200S-LF Intelligent, Syncronizable, Sounder Base\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThis item has been discontinued. Use direct replacement B200S-LF-IV\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132757049568,"sku":"B200S-LF","price":119.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-bases-default-title-system-sensor-b200s-lf-replaced-by-b200s-lf-iv-31897161433312.jpg?v=1793438360"},{"product_id":"system-sensor-b224rb-intelligent-relay-base-replaced-by-b224rb-iv","title":"System Sensor B224RB Intelligent Relay Base (Replaced by B224RB-IV)","description":"\u003ch2\u003eSystem Sensor B224RB Intelligent Relay Base (\u003cspan style=\"text-decoration: underline;\"\u003eReplaced by B224RB-IV)\u003c\/span\u003e\n\u003c\/h2\u003e\u003cdiv class=\"ths-mfr-data\"\u003e\n\u003ch3\u003eDocuments \u0026amp; Downloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/350994.pdf\" target=\"_blank\" rel=\"noopener\"\u003eB224RB 6 Mounting Base w-Built-in Relay Data Sheet\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/gamewell-101625\/hon-ba-fire-9021-60540.pdf\" target=\"_blank\" rel=\"noopener\"\u003eIntelligent Bases\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/df-52158.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCP350 Intelligent Addressable Ionization Detector Data Sheet\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/df-52167.pdf\" target=\"_blank\" rel=\"noopener\"\u003eH350-H350R Intelligent Addressable Thermal(Heat) Detectors for use with MS-9600 Data Sheet\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/df-52149.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSD350(A)-SD350T(A) SD350(A)-SD350T(A) Addressable Photoelectric Detectors Data Sheet\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/cs-2464.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSS-LI Isolator Module Data Sheet\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/df-52257.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAD350 Adapt Multi-Sensor Low-Profile Intelligent Detector Data Sheet\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/prod-edam.honeywell.com\/content\/dam\/honeywell-edam\/hbt\/en-us\/documents\/literature-and-specs\/datasheets\/df-60059.pdf\" target=\"_blank\" rel=\"noopener\"\u003eIntelligent Bases Data Sheet - Fire-Lite\u003c\/a\u003e (Data Sheet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132757410016,"sku":"B224RB","price":27.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-bases-default-title-system-sensor-b224rb-intelligent-relay-base-replaced-by-b224rb-iv-31897162744032.jpg?v=1793438374"},{"product_id":"system-sensor-beam1224s-replaced-by-osi-r-ss","title":"System Sensor BEAM1224S Reflective Beam Smoke Detector, 4-Wire Conventional, Integral Sensitivity Test","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor BEAM1224S\u003c\/strong\u003e — four-wire conventional single-ended reflected type beam smoke detector, supplied with an 8 in. reflector and an integral sensitivity test.\u003c\/p\u003e\u003cp\u003eA projected beam detector protects open areas with high ceilings; the single-ended design puts transmitter and receiver in one housing aimed at a passive reflector, so only one end is wired. The trailing S buys the integral test: a filter on a servo motor inside the optics swings into the beam when a remote test station operates it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProtection range 16 to 328 ft. (5 m to 100 m)\u003c\/li\u003e\n\u003cli\u003e15 to 32 VDC; System Sensor states it must not be used on 12 V supplies\u003c\/li\u003e\n\u003cli\u003eAt 24 VDC: standby 17 mA, alarm 38.5 mA, up to 500 mA during testing\u003c\/li\u003e\n\u003cli\u003eSix sensitivity levels: 25%, 30%, 40%, 50%, Acclimate 30 to 50% and 40 to 50%\u003c\/li\u003e\n\u003cli\u003e-22 °F to 131 °F (-30 °C to 55 °C), humidity to 93% RH\u003c\/li\u003e\n\u003cli\u003e10 in. H × 7.5 in. W × 3.3 in. D\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSystem Sensor announced the OSI-R-SS as a direct replacement for the BEAM1224 and BEAM1224S in February 2019. The plain BEAM1224 is the same detector without the integral test, running from 10.2 V. Beyond 230 ft. the BEAMLRK long range kit is required.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132757508320,"sku":"BEAM1224S","price":1053.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-fire-alarms-default-title-system-sensor-beam1224s-replaced-by-osi-r-ss-31897168904416.jpg?v=1793438388"},{"product_id":"system-sensor-p2rhk-horn-strobe-2-wire","title":"System Sensor P2RHK Horn Strobe 2-Wire","description":"\u003ch2\u003eSystem Sensor P2RHK SpectrAlert Advance Outdoor Selectable Output Horn Strobe, 2-Wire, Wall Mount, High CD, \"FIRE\" Marking, Red\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eSpectrAlert® Advance outdoor audible visible products are rich with features that cut installation times and maximize profits.\u003cbr\u003e\u003cbr\u003eSpectrAlert Advance offers the broadest line of outdoor horns, strobes, and horn strobes in the industry.\u003c\/p\u003e\n\u003cp\u003eWith white or red plastic housings, wall or ceiling mounting options, and plain or FIRE-printed devices, SpectrAlert Advance can meet virtually any application requirement, including indoor, outdoor, wet, and dry applications in temperatures from -40°F to 151°F.\u003cbr\u003e\u003cbr\u003eLike the entire SpectrAlert Advance line, outdoor horns, strobes, and horn strobes for wall applications include a variety of features that increase application flexibility and simplify installation.\u003c\/p\u003e\n\u003cp\u003eFirst, field-selectable settings, including candela, automatic selection of 12- or 24-volt operation, horn tones, and three volume options enable installers to easily adapt devices to meet requirements.\u003cbr\u003e\u003cbr\u003eNext, SpectrAlert Advance devices use a universal mounting plate for both wall and ceiling applications.\u003c\/p\u003e\n\u003cp\u003eThis mounting plate includes an onboard shorting spring that ensures wiring continuity before devices are installed, so installers can verify proper wiring without mounting the devices and exposing them to potential construction damage.\u003c\/p\u003e\n\u003cp\u003eOnce the plates are mounted, all SpectrAlert Advance devices utilize a plug-in design with a single captured screw to speed installation and virtually eliminate costly ground faults.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeatherproof per NEMA 4X, IP56\u003c\/li\u003e\n\u003cli\u003eCompatible with System Sensor synchronization protocol and legacy SpectrAlert products\u003c\/li\u003e\n\u003cli\u003ePlug-in design with minimal intrusion into the back box\u003c\/li\u003e\n\u003cli\u003eField-selectable candela settings: 15, 15\/75, 30, 75, 95, 110, 115, 135, 150, 177, and 185\u003c\/li\u003e\n\u003cli\u003eAutomatic selection of 12- or 24-volt operation at 15 and 15\/75 candela\u003c\/li\u003e\n\u003cli\u003eRotary switch for horn tone and three volume selections\u003c\/li\u003e\n\u003cli\u003eHorn rated at 88+ dBA at 16 volts\u003c\/li\u003e\n\u003cli\u003eRated from –40°F to 151°F\u003c\/li\u003e\n\u003cli\u003eUniversal mounting plate with an onboard shorting spring that tests wiring continuity before devices are installed\u003c\/li\u003e\n\u003cli\u003ePlug-in design with minimal intrusion into the back box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-SpectrAlert-Advance-Selectable-Output-Data-Sheet.pdf?v=1793422194\" target=\"_blank\" rel=\"noopener\"\u003eSpectrAlert Advance Selectable Output Notification Appliances — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132758556896,"sku":"P2RHK","price":95.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-horn-strobes-default-title-system-sensor-p2rhk-horn-strobe-2-wire-33628154331360.jpg?v=1763278703"},{"product_id":"system-sensor-p2rk-output-horn-strobe-with-back-box","title":"System Sensor P2RK Output Horn Strobe with Back Box","description":"\u003ch2\u003e\n\u003cspan\u003e\u003c\/span\u003eSystem Sensor P2RK SpectrAlert Advance Outdoor Selectable Output Horn Strobe with Back Box, 2-Wire, Wall Mount, Standard CD, \"FIRE\" Marking, Red\u003c\/h2\u003e\n\u003ch2\u003eSystem Sensor P2RK SpectrAlert Advance Outdoor Selectable Output Horn Strobe with Back Box, 2-Wire, Wall Mount, Standard CD, \"FIRE\" Marking, Red\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSystem Sensor P2RK\u003c\/strong\u003e is a SpectrAlert Advance outdoor selectable output horn strobe supplied with a back box. It combines a horn and strobe to deliver audible and visual signals in outdoor environments, with weatherproof construction, compatibility with System Sensor synchronization protocol and legacy SpectrAlert products, and straightforward installation.\u003c\/p\u003e\n\u003cp\u003eIt combines a horn and strobe to deliver audible and visual signals, ensuring that occupants are alerted to potential dangers and can evacuate safely.\u003c\/p\u003e\n\u003cp\u003eWith its weatherproof construction, compatibility with System Sensor synchronization protocol and legacy SpectrAlert products and easy installation features, this horn strobe is an ideal choice for various applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eListed to UL 1638 (strobe) and UL 464 (horn): This horn strobe meets stringent safety standards, ensuring reliable performance and compliance with fire alarm regulations.\u003c\/li\u003e\n\u003cli\u003eField-selectable candela settings: The device offers 11 selectable candela settings, allowing flexibility in adapting to different notification requirements and environmental conditions.\u003c\/li\u003e\n\u003cli\u003eAutomatic selection of 12- or 24-volt operation at 15 and 15\/75 candela: The horn strobe automatically adapts to the voltage requirements, making installation and compatibility hassle-free.\u003c\/li\u003e\n\u003cli\u003eRotary switch for horn tone and three volume selections: The horn tone and volume can be easily adjusted to suit the specific needs of the application.\u003c\/li\u003e\n\u003cli\u003eHorn rated at 88+ dBA at 16 volts: The horn produces a loud and attention-grabbing sound, ensuring effective notification even in noisy environments.\u003c\/li\u003e\n\u003cli\u003eRated from –40°F to 151°F: With a wide operating temperature range, this horn strobe performs reliably in extreme weather conditions.\u003c\/li\u003e\n\u003cli\u003eUniversal mounting plate with an onboard shorting spring: The included mounting plate features a shorting spring that tests wiring continuity before device installation, ensuring proper functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP2RK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrAlert Advance outdoor selectable output horn strobe with back box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMarking \/ color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFIRE, red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1638 (strobe), UL 464 (horn)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCandela settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 field-selectable settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic 12 or 24 V selection at 15 and 15\/75 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorn output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88+ dBA at 16 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°F to 151°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting plate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUniversal, with onboard shorting spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe P2RK works with the System Sensor synchronization protocol and with legacy SpectrAlert products.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-SpectrAlert-Advance-Selectable-Output-Data-Sheet.pdf?v=1793422194\" target=\"_blank\" rel=\"noopener\"\u003eSpectrAlert Advance Selectable Output Notification Appliances — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132758589664,"sku":"P2RK","price":88.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-horn-strobes-default-title-system-sensor-p2rk-output-horn-strobe-with-back-box-31897183256800.jpg?v=1793438483"},{"product_id":"system-sensor-p2rl-horn-strobe-replaced-by-p2rled","title":"System Sensor P2RL Horn Strobe (Replaced by P2RLED)","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor P2RL\u003c\/strong\u003e is an L-Series indoor selectable-output horn strobe: 2-wire, wall mount, red housing with “FIRE” marking. It uses a xenon flash tube and is the pre-LED model, superseded by the P2RLED.\u003c\/p\u003e\n\u003cp\u003ePlug-in design keeps intrusion into the back box minimal, and a universal mounting plate with an onboard shorting spring lets installers test wiring continuity before the device is installed. Candela is field-selectable, 12 or 24 volt operation is selected automatically, and a rotary switch sets the horn tone with two volume selections. The strobe flashes at 1 Hz over its entire operating voltage range and complies with ADA requirements for visible signaling appliances.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire horn strobe, wall mount, red, “FIRE” marking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrobe type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXenon flash tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCandela (wall)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15, 30, 75, 95, 110, 135, 185 cd, field-selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRegulated 12 DC or regulated 24 DC\/FWR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 to 17.5 V (12 V nominal) or 16 to 33 V (24 V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 flash per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorn rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88+ dBA at 16 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorn tones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemporal and non-temporal, plus 3.1 kHz temporal and non-temporal, each high or low volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent, 16-33 V DC, temporal high\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 cd: 54 mA; 30 cd: 74 mA; 75 cd: 121 mA; 95 cd: 142 mA; 110 cd: 162 mA; 135 cd: 196 mA; 185 cd: 245 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent, 16-33 V FWR, all tones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 cd: 68-111 mA up to 185 cd: 271-326 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent, 8-17.5 V DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 cd: 91-106 mA; 30 cd: 154-166 mA (15 and 30 cd only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 120°F (0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 to 93% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.6″ L × 4.7″ W × 1.91″ D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1971 and UL 464\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eReplacement\u003c\/h3\u003e\n\u003cp\u003eThe P2RL is replaced by the LED-based \u003ca href=\"\/products\/system-sensor-p2rled-led-horn-strobe-wall-mount-red\"\u003eSystem Sensor P2RLED\u003c\/a\u003e. The P2RLED is 24 V only (16-33 V) with much lower strobe current, so check NAC loading and any 12 V circuits before swapping. The P2RL is electrically compatible with legacy SpectrAlert and SpectrAlert Advance devices.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 V operation is limited to 15 and 30 cd.\u003c\/strong\u003e Designs at 75 cd or above must run at 24 V nominal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo coded horn settings\u003c\/strong\u003e on a 2-wire model; temporal coding must come from the NAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall mounting only.\u003c\/strong\u003e Wall units use 15\/30\/75\/95\/110\/135\/185 cd; ceiling models use a different candela set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFWR draws more current than DC\u003c\/strong\u003e at the same setting. Size the NAC from the column matching your supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSync:\u003c\/strong\u003e the MDL3 Sync•Circuit module synchronizes strobes at 1 Hz and horns at temporal three.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSpecifications from the System Sensor data sheet “Indoor Selectable-Output Horns, Strobes, and Horn Strobes for Wall Applications,” AVDS865-04 (11\/17\/2017). Manufacturer specifications are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Wall-Horns-Strobes-Data-Sheet-AVDS865.pdf?v=1793422168\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Wall Horns, Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132758622432,"sku":"P2RL","price":53.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-horn-strobes-default-title-system-sensor-p2rl-horn-strobe-replaced-by-p2rled-32324747788512.jpg?v=1793438496"},{"product_id":"system-sensor-p4rk-advance-outdoor-horn-strobe","title":"System Sensor P4RK Advance Outdoor Horn Strobe","description":"\u003ch2\u003eSystem Sensor P4RK SpectrAlert Advance Outdoor Selectable Output Horn Strobe, 4-Wire, Standard CD, \"FIRE\" Marking, Red\u003c\/h2\u003e\n\u003cp\u003eThe SpectrAlert Advance series of notification appliances offers a wide range of horns, strobes, and horn\/strobes, for wall and ceiling applications, indoors and outdoors. They are designed to be used in 12 or 24 volt, DC or FWR (full wave rectified) systems.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThese products are electrically backward compatible with the previous generation of SpectrAlert notification appliances. Horn\/ strobe products are available in two versions. The 2-wire products fit systems where a single NAC controls both horn and strobe. The 4-wire products are intended for systems which have separate wiring circuits for the horn and strobe.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eAll SpectrAlert Advance products are suitable for use in synchronized systems. The System Sensor MDL module may be used to provide synchronization.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-SpectrAlert-Advance-Selectable-Output-Data-Sheet.pdf?v=1793422194\" target=\"_blank\" rel=\"noopener\"\u003eSpectrAlert Advance Selectable Output Notification Appliances — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132758720736,"sku":"P4RK","price":106.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-horn-strobes-default-title-system-sensor-p4rk-advance-outdoor-horn-strobe-32021723152608.jpg?v=1793438511"},{"product_id":"system-sensor-pc2rl-horn-strobe-2-wire-replaced-by-pc2rled","title":"System Sensor PC2RL Horn Strobe 2-Wire (Replaced by PC2RLED)","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor PC2RL\u003c\/strong\u003e is an L-Series red, ceiling-mountable, 2-wire horn strobe with a clear lens, marked \"FIRE\". It has selectable strobe settings of 15, 30, 75, 95, 115, 150 and 177 cd. The PC2RL has been replaced by the PC2RLED.\u003c\/p\u003e\u003cp\u003eThe L-Series ceiling horn strobe offers two horn volume selections, high and low, and a choice of sound patterns: temporal, non-temporal, and 3.1 kHz versions of each. It is electrically compatible with the legacy SpectrAlert and SpectrAlert Advance devices.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC2RL (replaced by PC2RLED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire ceiling horn strobe, red, clear lens, FIRE marking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCandela settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15, 30, 75, 95, 115, 150, 177 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V nominal (16 to 33 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 in diameter, 2.5 in high including lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble-gang box, 4 in octagon box, or 4 x 4 x 1 1\/2 in box with a universal mounting plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 120°F (0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1971 and UL 464\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eMatching a PC2RL on a drawing\u003c\/h3\u003e\u003cp\u003eProject drawings and older installs may still call out the PC2RL. Match the candela, tone and mounting to the PC2RL on the drawing, then use the PC2RLED as its replacement. Candela, volume and sound pattern are field-selected, so one part number covers many settings.\u003c\/p\u003e\u003ch3\u003eReplacement: PC2RLED\u003c\/h3\u003e\u003cp\u003eThe PC2RLED is the LED version in the same L-Series ceiling horn strobe family. System Sensor's installation manual for the L-Series with LED covers 8 field-selectable tone and volume combinations and 7 candela settings. See the \u003ca href=\"\/products\/system-sensor-pc2rled-ceiling-horn-strobe-led-red\"\u003eSystem Sensor PC2RLED ceiling horn strobe, red\u003c\/a\u003e for the current model.\u003c\/p\u003e\u003cp\u003eSpecifications are taken from the System Sensor L-Series data sheet 9021-60928 and L-Series LED installation manual. Manufacturer specifications are subject to change without notice.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Ceiling-Horn-Strobes-Data-Sheet-US.pdf?v=1793420125\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Ceiling Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132758786272,"sku":"PC2RL","price":65.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-horn-strobes-default-title-system-sensor-pc2rl-horn-strobe-2-wire-replaced-by-pc2rled-31897188466912.jpg?v=1763278721"},{"product_id":"system-sensor-pc2wl-horn-strobe-white-replaced-by-pc2wled","title":"System Sensor PC2WL L-Series Ceiling Horn Strobe, 2-Wire, White, 15-177 cd (Replaced by PC2WLED)","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor PC2WL\u003c\/strong\u003e — L-Series indoor ceiling horn strobe, two-wire, white with FIRE lettering.\u003c\/p\u003e\u003cp\u003eThe L-Series succeeded SpectrAlert Advance with lower current draw and a slimmer profile, while staying electrically compatible with legacy SpectrAlert devices. It plugs into a universal ceiling mounting plate that carries the circuit wiring, and an onboard shorting spring proves continuity before the head goes on.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eField-selectable ceiling candela settings of 15, 30, 75, 95, 115, 150 and 177\u003c\/li\u003e\n\u003cli\u003eHorn rated 88+ dBA at 16 volts; rotary switch gives temporal or continuous tone, standard or 3.1 kHz, at high or low volume\u003c\/li\u003e\n\u003cli\u003eAutomatic 12 or 24 volt selection at 15 and 30 cd; range 8 to 17.5 V or 16 to 33 V\u003c\/li\u003e\n\u003cli\u003eListed to UL 1971 and UL 464; xenon flash tube at 1 flash per second; 32°F to 120°F\u003c\/li\u003e\n\u003cli\u003e6.8\" diameter × 2.5\" high; listed for ceiling mounting only\u003c\/li\u003e\n\u003cli\u003eWorks with the MDL3 synchronization module\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePC2RL is the same unit in red and PC4WL the four-wire white version; SCWL is strobe-only. System Sensor bulletin M23.2SS names PC2WLED, the LED model, as the direct replacement for PC2WL.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Ceiling-Horn-Strobes-Data-Sheet-US.pdf?v=1793420125\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Ceiling Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132758819040,"sku":"PC2WL","price":65.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-horn-strobes-default-title-system-sensor-pc2wl-horn-strobe-white-replaced-by-pc2wled-34911125405920.jpg?v=1793438527"},{"product_id":"system-sensor-scrk-strobe-ceiling","title":"System Sensor SCRK Strobe Ceiling","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor SCRK\u003c\/strong\u003e is a ceiling-mount outdoor strobe from the System Sensor SpectrAlert Advance line, with a red housing and FIRE marking. It gives visual alarm notification, and it can be used indoors or outdoors.\u003c\/p\u003e\u003cp\u003eField-selectable candela settings and automatic 12- or 24-volt selection at the lowest candela settings let the installer adapt the strobe on site. A universal mounting plate with an onboard shorting spring checks wiring continuity before the device is plugged in.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCeiling-mount strobe with red housing, clear lens and FIRE marking\u003c\/li\u003e\n\u003cli\u003eField-selectable candela settings\u003c\/li\u003e\n\u003cli\u003eAutomatic 12- or 24-volt selection at 15 and 15\/75 candela\u003c\/li\u003e\n\u003cli\u003eRated from -40F to 151F for outdoor use\u003c\/li\u003e\n\u003cli\u003eUniversal mounting plate with shorting spring that tests wiring continuity\u003c\/li\u003e\n\u003cli\u003ePlug-in design with minimal intrusion into the back box\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStrobe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed, FIRE marking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLens\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCeiling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 151F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-SpectrAlert-Advance-Selectable-Output-Data-Sheet.pdf?v=1793422194\" target=\"_blank\" rel=\"noopener\"\u003eSpectrAlert Advance Selectable Output Notification Appliances — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132759638240,"sku":"SCRK","price":65.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-strobes-default-title-system-sensor-scrk-strobe-ceiling-31897192038624.jpg?v=1793438579"},{"product_id":"system-sensor-scrl-strobe-red-ceiling","title":"System Sensor SCRL L-Series Ceiling Strobe, Red, Selectable 15 to 177 cd, Replaced by SCRLED","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor SCRL\u003c\/strong\u003e — L-Series indoor ceiling-mount strobe, red, field-selectable candela, xenon flash tube.\u003c\/p\u003e\u003cp\u003eA visible-only appliance for rooms and corridors where notification is mounted overhead rather than on a wall. It plugs into a universal mounting plate that carries the circuit wiring, and a shorting spring proves continuity before fitting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCeiling candela settings 15, 30, 75, 95, 115, 150 and 177, field-selected.\u003c\/li\u003e\n\u003cli\u003eXenon flash tube with lens and reflector, 1 Hz across the operating range; listed to UL 1971.\u003c\/li\u003e\n\u003cli\u003eRegulated 12 or 24 VDC or full-wave rectified, 8 to 17.5 V or 16 to 33 V; 12 volts only at 15 and 30 cd.\u003c\/li\u003e\n\u003cli\u003eUL maximum strobe current on 16 to 33 VDC: 41 mA at 15 cd and 226 mA at 177 cd.\u003c\/li\u003e\n\u003cli\u003ePlate fits a 4 x 4 x 1-1\/2 in., 4 in. octagon or double-gang box; ceiling mounting only.\u003c\/li\u003e\n\u003cli\u003e32 to 120 °F, 10 to 93 percent; terminals 12 to 18 AWG.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSystem Sensor bulletin M23.2SS states that SCRLED, the LED ceiling strobe, replaces SCRL. SCWL is the white version of this xenon part and SCRL-P the plain housing without FIRE marking. PC2RL adds a horn, and SRL is the wall strobe, whose candela set differs.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Ceiling-Horn-Strobes-Data-Sheet-US.pdf?v=1793420125\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Ceiling Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132759671008,"sku":"SCRL","price":55.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-strobes-default-title-system-sensor-scrl-strobe-red-ceiling-31897195577568.jpg?v=1793438591"},{"product_id":"system-sensor-scwl-ceiling-mount-strobe-replaced-by-scwled","title":"System Sensor SCWL L-Series Ceiling Mount Strobe, White, Selectable Candela (Replaced by SCWLED)","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor SCWL\u003c\/strong\u003e — white ceiling-mount L-Series strobe with a xenon flash tube and field-selectable candela, marked FIRE.\u003c\/p\u003e\u003cp\u003eIt is a visible-only appliance, plug-in mounted on the L-Series universal plate so the notification circuit terminates at the plate and a shorting spring checks wiring continuity before the head goes on. It is listed for ceiling mounting only.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eField-selectable candela: 15, 30, 75, 95, 115, 150 and 177\u003c\/li\u003e\n\u003cli\u003eFlashes at 1 Hz across the whole operating voltage range, meeting ADA visible-signal rules\u003c\/li\u003e\n\u003cli\u003eMaximum strobe current at 24 VDC runs 41 mA at 15 cd to 226 mA at 177 cd\u003c\/li\u003e\n\u003cli\u003eNominal 12 or 24 VDC\/FWR; 12 V operation is available only at 15 and 30 cd\u003c\/li\u003e\n\u003cli\u003e6.8\" diameter × 2.5\" high, on a 4 × 4 × 1-1\/2\" square, 4\" octagon or double-gang box\u003c\/li\u003e\n\u003cli\u003eListed to UL 1971; works with the MDL3 synchronization module\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSystem Sensor bulletin M23.2SS states that the LED model SCWLED replaces this xenon SCWL. Nearest siblings are the red SCRL, the plain-lens SCWL-P and the PC2WL ceiling horn strobe, which adds an audible the SCWL does not have.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Ceiling-Horn-Strobes-Data-Sheet-US.pdf?v=1793420125\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Ceiling Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132759703776,"sku":"SCWL","price":47.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-strobes-default-title-system-sensor-scwl-ceiling-mount-strobe-replaced-by-scwled-35141701632224.jpg?v=1793438605"},{"product_id":"system-sensor-sprk-spectralert-advance-outdoor-speaker","title":"System Sensor SPRK SpectrAlert Advance Outdoor Speaker","description":"\u003ch2\u003eSystem Sensor SPRK SpectrAlert Advance Outdoor Speaker, Wall Mount, \"FIRE\" Marking, Red\u003cbr\u003e\n\u003c\/h2\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132759769312,"sku":"SPRK","price":83.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-speakers-default-title-system-sensor-sprk-spectralert-advance-outdoor-speaker-31897196495072.jpg?v=1793438630"},{"product_id":"system-sensor-spscwl-replaced-by-spscwled","title":"System Sensor SPSCWL L-Series Ceiling Speaker Strobe, White, FIRE, 15-177 cd, Xenon","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor SPSCWL\u003c\/strong\u003e — L-Series indoor ceiling speaker strobe, white, marked FIRE, with a dual-voltage speaker and a selectable-candela xenon strobe.\u003c\/p\u003e\u003cp\u003eVoltage and power tap are set by rotary switches, and the universal mounting plate lets the installer pre-wire and prove continuity before the device is plugged in.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eField-selectable ceiling candela 15, 30, 75, 95, 115, 150 and 177\u003c\/li\u003e\n\u003cli\u003eSpeaker 25.0 or 70.7 VRMS by rotary switch; taps 1\/4, 1\/2, 1 and 2 W; 400 to 4,000 Hz\u003c\/li\u003e\n\u003cli\u003eSound output 77, 80, 83 and 86 dBA at 10 ft across those taps\u003c\/li\u003e\n\u003cli\u003eStrobe 1 flash per second, 16 to 33 V at 24 V nominal, 41 mA at 15 cd to 226 mA at 177 cd; 12 V only at 15 and 30 cd\u003c\/li\u003e\n\u003cli\u003eUL 1480 and UL 1971; 6.8 in. across × 2.8 in. deep on a 4 in. square back box\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe strobe-less SPCWL speaker is 2 dBA louder at every tap, SPSCRL is the red version, and the -P, -SP and -CLR-ALERT suffixes carry plain, Fuego and Alert markings. On the older claim that SPSCWLED replaces this part: bulletin M23.2SS covers strobes and horn strobes only, and the 2024 speaker strobe sheet lists SPSCWLED and no SPSCWL; no document read states the pairing.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132759834848,"sku":"SPSCWL","price":74.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-speaker-strobes-default-title-system-sensor-spscwl-replaced-by-spscwled-31897197707488.jpg?v=1763278746"},{"product_id":"system-sensor-spsr-replaced-by-spsrl","title":"System Sensor SPSR (Replaced by SPSRL)","description":"\u003ch2\u003eSystem Sensor SPSR Red, Speaker Strobe, Wall Mount\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eThis item has been discontinued. Use direct replacement SPSRL\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760031456,"sku":"SPSR","price":68.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-fire-alarms-default-title-system-sensor-spsr-replaced-by-spsrl-31897198362848.jpg?v=1793438652"},{"product_id":"system-sensor-spsrk-red-outdoor-speaker-strobe","title":"System Sensor SPSRK Red Outdoor Speaker Strobe","description":"\u003ch2\u003eSystem Sensor SPSRK SpectrAlert Advance Red Outdoor Speaker Strobe, Standard CD, \"FIRE\" Marking (Discontinued)\u003cbr\u003e\n\u003c\/h2\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760129760,"sku":"SPSRK","price":128.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-speaker-strobes-default-title-system-sensor-spsrk-red-outdoor-speaker-strobe-31897196462304.jpg?v=1793438663"},{"product_id":"system-sensor-spsrl-l-series-indoor-speaker-strobe","title":"System Sensor SPSRL L-Series Indoor Speaker Strobe","description":"\u003ch2\u003eSystem Sensor SPSRL L-Series Indoor Speaker Strobe, Wall Mount, \"FIRE\" Marking, Red (Replaced by SPSRLED)\u003c\/h2\u003e\n\u003cp\u003eL-Series, red, wall-mountable, clear lens, speaker strobe marked \"FIRE\". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eMain Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-in design and protective cover reduce ground faults.\u003c\/li\u003e\n\u003cli\u003eUniversal mounting plate with an onboard shorting spring tests wiring continuity before installation.\u003c\/li\u003e\n\u003cli\u003eNo extension ring required.\u003c\/li\u003e\n\u003cli\u003eField selectable candela settings on ceiling units: 15, 30, 75, 95, 115, 150, and 177.\u003c\/li\u003e\n\u003cli\u003eAutomatic selection of 12- or 24-volt operation at 15 and 30 candela.\u003c\/li\u003e\n\u003cli\u003eRotary switch simplifies field selection of speaker voltage (25 and 70.7 Vrms) and power settings (¼, ½, 1 and 2 watts).\u003c\/li\u003e\n\u003cli\u003eSpeakers offer high fidelity and high volume sound output.\u003c\/li\u003e\n\u003cli\u003e520 Hz +\/- 10% square wave tone capable with compatible FACP.\u003c\/li\u003e\n\u003cli\u003eCompatible with System Sensor synchronization protocol.\u003c\/li\u003e\n\u003cli\u003eElectrical compatibility with existing SpectrAlert and SpectrAlert Advance products.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760424672,"sku":"SPSRL","price":73.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-speaker-strobes-default-title-system-sensor-spsrl-l-series-indoor-speaker-strobe-32027918663904.jpg?v=1763278740"},{"product_id":"system-sensor-spswl-l-series-indoor-speaker-strobe","title":"System Sensor SPSWL L-Series Indoor Wall-Mount Speaker Strobe, White","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor SPSWL\u003c\/strong\u003e — L-Series indoor wall-mount speaker strobe in white, marked FIRE.\u003c\/p\u003e\u003cp\u003eIt puts a dual-voltage evacuation speaker and a xenon strobe in one appliance, so a single 4 × 4 × 2-1\/8 in back box carries both the voice message and the visible signal. A universal mounting plate with an onboard shorting spring lets the circuit be wired and checked for continuity before the appliance is plugged in, and two rotary switches on the back select speaker voltage and power tap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeven field-selectable candela settings: 15, 30, 75, 95, 110, 135 and 185\u003c\/li\u003e\n\u003cli\u003eStrobe runs on 16 to 33 V, or on 8 to 17.5 V at the 15 and 30 cd settings only, flashing once per second\u003c\/li\u003e\n\u003cli\u003eStrobe current at 24 VDC ranges from 43 mA at 15 cd to 222 mA at 185 cd\u003c\/li\u003e\n\u003cli\u003eSpeaker taps of 1\/4, 1\/2, 1 and 2 W give 77, 80, 83 and 86 dBA at 10 ft\u003c\/li\u003e\n\u003cli\u003eListed to UL 1480 and UL 1971, rated 32°F to 120°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDo not confuse it with the SPWL, the speaker alone with no strobe, or the SPSRL, the red version. SPSWL-P drops the FIRE lettering, and SPSWLED is the later LED-strobe generation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPSWL, white, marked FIRE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndoor wall-mount speaker strobe, L-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrobe candela\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15, 30, 75, 95, 110, 135 and 185 (field-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrobe voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 to 33 V; 8 to 17.5 V at 15 and 30 cd only; one flash per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrobe current at 24 VDC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e43 mA at 15 cd up to 222 mA at 185 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker taps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4, 1\/2, 1 and 2 W: 77, 80, 83 and 86 dBA at 10 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBack box\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 x 4 x 2-1\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1480 and UL 1971; rated 32°F to 120°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe SPSWL is a dual-voltage speaker with a strobe, so one back box carries both the voice message and the visible signal. Do not confuse it with the SPWL (speaker only, no strobe) or the SPSRL (the red version). SPSWL-P drops the FIRE lettering, and SPSWLED is the later LED-strobe generation. For speaker-only L-Series devices on this site, see the \u003ca href=\"\/products\/system-sensor-sprl-speaker-red\"\u003eSPRL red wall speaker\u003c\/a\u003e and the \u003ca href=\"\/products\/system-sensor-spcrl-speaker-red-ceiling\"\u003eSPCRL red ceiling speaker\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes the SPSWL have a strobe?\u003c\/strong\u003e Yes. It combines a speaker and a xenon strobe in one appliance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the speaker power tap set?\u003c\/strong\u003e Two rotary switches on the back select speaker voltage and power tap.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760457440,"sku":"SPSWL","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-speaker-strobes-default-title-system-sensor-spswl-l-series-indoor-speaker-strobe-31897204261088.jpg?v=1793438675"},{"product_id":"system-sensor-srk-strobe","title":"System Sensor SRK SpectrAlert Advance Outdoor Wall Strobe, Standard Candela, Red, FIRE Marking","description":"\u003cp\u003e\u003cstrong\u003eSystem Sensor SRK\u003c\/strong\u003e — SpectrAlert Advance outdoor wall strobe, standard candela, red with FIRE lettering, supplied with its weatherproof back box.\u003c\/p\u003e\u003cp\u003eThe K series is the outdoor branch of SpectrAlert Advance, and System Sensor states the convention outright: a K suffix marks an outdoor-rated product listed to UL 1638. The xenon strobe flashes once per second and seats on the universal mounting plate, whose shorting spring tests circuit continuity before the head goes on.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eField-selectable candela: 15, 15\/75, 30, 75, 95, 110 and 115\u003c\/li\u003e\n\u003cli\u003eWeatherproof to NEMA 4X, rated –40 °F to 151 °F\u003c\/li\u003e\n\u003cli\u003e8 to 17.5 V or 16 to 33 V, regulated DC or full-wave rectified\u003c\/li\u003e\n\u003cli\u003eUL maximum strobe current at 24 V DC: 66 mA at 15 cd, 210 mA at 115 cd\u003c\/li\u003e\n\u003cli\u003eCold derating: 15, 15\/75 and 30 cd must not be used below 32 °F, and at –40 °F the 75 cd setting falls to 44 cd\u003c\/li\u003e\n\u003cli\u003e5.6 × 4.7 × 2.5 in. on the SA-WBB back box\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRead the suffixes. SRK-R is the device alone, for the WTP or WTPW flush plate; SRK-P drops the FIRE lettering; SRHK is the high-candela build, 135 to 185 cd; SWK is the same strobe in white. P2RK looks almost identical but adds a horn.\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-SpectrAlert-Advance-Selectable-Output-Data-Sheet.pdf?v=1793422194\" target=\"_blank\" rel=\"noopener\"\u003eSpectrAlert Advance Selectable Output Notification Appliances — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760817888,"sku":"SRK","price":67.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-strobes-default-title-system-sensor-srk-strobe-32619032019168.jpg?v=1793438685"},{"product_id":"system-sensor-srl-l-series-red-wall-mounted-clear-lens-strobe","title":"System Sensor SRL L-Series, Red, Wall-Mounted, Clear Lens, Strobe","description":"\u003ch2\u003eSystem Sensor SRL L-Series, Red, Wall-Mounted, Clear Lens, Strobe Marked \"Fire\". Selectable Strobe Settings: 15, 30, 75, 95, 110, 135, and 185 CD (Replaced by SRLED)\u003c\/h2\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Wall-Horns-Strobes-Data-Sheet-AVDS865.pdf?v=1793422168\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Wall Horns, Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760850656,"sku":"SRL","price":44.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-strobes-default-title-system-sensor-srl-l-series-red-wall-mounted-clear-lens-strobe-31897201475808.jpg?v=1763278758"},{"product_id":"system-sensor-swl-strobe-replaced-by-swled","title":"System Sensor SWL Strobe \"FIRE\" Marking (Replaced by SWLED)","description":"\u003ch2\u003eSystem Sensor SWL L-Series, White, Wall-Mountable, Clear Lens, Strobe Marked \"Fire\". Selectable Strobe Settings: 15, 30, 75, 95, 110, 135, and 185 Cd \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/thefirealarmsupplier.com\/products\/system-sensor-swled-l-series-led-strobe-replaces-swl\" style=\"color: rgb(43, 0, 255);\"\u003e(Replaced by SWLED)\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-L-Series-Indoor-Wall-Horns-Strobes-Data-Sheet-AVDS865.pdf?v=1793422168\" target=\"_blank\" rel=\"noopener\"\u003eL-Series Indoor Wall Horns, Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132760883424,"sku":"SWL","price":44.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/1037626778_lg.jpg?v=1793438698"},{"product_id":"siemens-adbh-11-500-033210-audible-fire-detector-mounting-base","title":"Siemens ADBH-11 (500-033210) Audible Detector Base for HFP-11, HFPT-11 and HFPO-11 Detectors, Temporal or Steady Tone","description":"\u003cp\u003e\u003cstrong\u003eSiemens ADBH-11\u003c\/strong\u003e — audible detector base (part 500-033210) with a built-in piezo sounder, for H-Series intelligent detectors.\u003c\/p\u003e\u003cp\u003eA standard Series 11 base with an audible device, for sleeping rooms in hotels and dormitories. With listed, compatible Siemens equipment it may be used in lieu of single- or multiple-station smoke alarms. The sounder needs a separate 24 VDC supply or NAC, held at reversed polarity until an alarm; the panel then commands bases to sound singly or in any combination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTakes HFP-11, HFPT-11 and HFPO-11 detectors (SFP-11 series in Canada only)\u003c\/li\u003e\n\u003cli\u003eFor FireFinder-XLS; the installation sheet adds FS-250 and FS-250C\u003c\/li\u003e\n\u003cli\u003eSounder power 17–31 VDC, 0 A in supervisory, from PAD-3, ZIC-4A or any UL-listed 24 VDC supply or NAC\u003c\/li\u003e\n\u003cli\u003eSteady tone, or temporal with a jumper across terminals 3 and 4\u003c\/li\u003e\n\u003cli\u003e85 dB at 10 ft. per data sheet 6305; the installation sheet gives 78 dB minimum sound pressure\u003c\/li\u003e\n\u003cli\u003eMounts to a 4 in. square electrical box with extension\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot interchangeable with ADB-11 (conventional Series 11 and 121) or ADBX-11 (FP-11 and FPT-11 on MXL). DB-11 has no sounder. The detector is ordered separately.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132760948960,"sku":"ADBH-11","price":238.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-bases-default-title-siemens-adbh-11-500-033210-audible-fire-detector-mounting-base-31896940216544.jpg?v=1763278791"},{"product_id":"siemens-db-x3rs-series-3-mounting-base-with-relay","title":"Siemens DB-X3RS Series-3 Mounting Base with Relay","description":"\u003ch2\u003eSiemens DB-X3RS Series-3 Mounting Base with Relay\u003c\/h2\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132761211104,"sku":"DB-X3RS","price":106.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-bases-default-title-siemens-db-x3rs-series-3-mounting-base-with-relay-31896949948640.jpg?v=1763278778"},{"product_id":"siemens-fp-11-500-095112-multi-criteria-fire-detector","title":"Siemens FP-11 (500-095112) Multi-Criteria Fire Detector","description":"\u003cp\u003e\u003cstrong\u003eSiemens FP-11 (500-095112)\u003c\/strong\u003e is a plug-in, two-wire addressable FirePrint multi-criteria fire detector with photoelectric and thermal inputs, for use with FireFinder XLS and MXL fire alarm control panels. Installers also search for it as the FP11.\u003c\/p\u003e\u003cp\u003eThe FP-11 uses microprocessor circuitry with error checking, self-diagnostics and supervision programs to tell deceptive phenomena, such as cigarette smoke, from an actual fire. System logic can be activated from any of three inputs: smoke, heat, or the detector's neural network. The panel assigns each head one of eleven application profiles (office\/retail, lobby, computer room, dormitory, healthcare facility, parking garage, utility\/transformer room, hostile environment, precious storage, air duct, and warehouse\/light manufacturing) and the software then manages sensitivity with no alarm-verification delay. The photo chamber is dust-resistant and field cleanable, and the detector ships with a protective dust cover.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetector type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-in, two-wire, addressable multi-sensor (photoelectric and thermal inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible panels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFireFinder XLS and MXL family; backward compatible with older MXL systems Rev. 2 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-27 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupervisory current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 µA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e33-50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 100°F (0°C to 38°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal alarm temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e135°F (57°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 93% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30-foot centers (900 sq. ft.), per NFPA 72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting base\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDB-11 (500-094151), ordered separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL and ULC certified; FM, CSFM and NYCFD approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase is ordered separately.\u003c\/strong\u003e The FP-11 uses the low-profile DB-11 surface base or the smaller DB-11E. On a retrofit over an existing DB-3S base, the DB-ADPT adapter (500-094187) avoids cutting in a new box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddress before installing.\u003c\/strong\u003e The DPU or FPI-32 upgrade kit sets and verifies the address and runs a diagnostic test on the head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-tapping\u003c\/strong\u003e is permitted only on Style 4 (Class B) wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking and cleaning:\u003c\/strong\u003e the DB-11 base accepts the LK-11 locking kit, and the DMK-11 kit (500-695338) supplies a replacement labyrinth and bug screen.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRelated models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHFP-11 (500-033290)\u003c\/strong\u003e - the equivalent FirePrint multi-criteria head for FireFinder XLS and FS-250 panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDB-X11RS (500-096125)\u003c\/strong\u003e - programmable relay base for 11-series intelligent detectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADBX-11 (500-096181)\u003c\/strong\u003e - audible base for the same head.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the FP-11 the same as the HFP-11?\u003c\/strong\u003e\u003cbr\u003eNo. The FP-11 is the FireFinder XLS \/ MXL FirePrint head; the HFP-11 is the FireFinder XLS \/ FS-250 head. Check the panel before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the FP-11 include a base?\u003c\/strong\u003e\u003cbr\u003eNo. Order a DB-11 (500-094151) base separately.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132761473248,"sku":"FP-11","price":254.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-multi-criteria-detectors-default-title-siemens-fp-11-500-095112-multi-criteria-fire-detector-31896954994912.jpg?v=1763278795"},{"product_id":"hfp-11-siemens","title":"Siemens HFP-11 (500-033290) Intelligent Fire Detector","description":"\u003cp\u003e\u003cstrong\u003eSiemens HFP-11 (500-033290)\u003c\/strong\u003e — plug-in, two-wire addressable multi-criteria fire detector that combines a dust-resistant photoelectric smoke chamber with a solid-state thermal sensor, for use with FireFinder XLS and FS-250 fire alarm control panels.\u003c\/p\u003e\n\u003cp\u003eThe HFP-11 is engineered with the most sophisticated detector intelligence available, allowing it to distinguish non-threatening phenomena from actual fire hazards while optimizing detection for the area in which it is installed. Smoke and thermal data are gathered and analyzed in the detector's on-board FirePrint neural network, which compares what it sees against the characteristics of real fires and against deceptive phenomena that cause ordinary detectors to false alarm. The control panel programs each head to one of eleven application profiles — office\/retail, lobby, computer room, dormitory, healthcare, parking garage, utility\/transformer room, hostile environment, precious storage, air duct, and warehouse\/light manufacturing — and the detector reverts to the office setting if no profile is selected. Sensitivity, calibration and identification are dynamically supervised at the FACP, and the detector runs complete self-diagnostics every four seconds. Each detector ships with a protective dust cover; the mounting base is ordered separately.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetector type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug-in, two-wire, addressable multi-sensor (photoelectric and thermal inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible panels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFireFinder XLS and FS-250 series FACPs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 100°F (0°C to 38°C), per UL 268 \/ UL 268A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal alarm point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRate compensated at 135°F (57°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–93%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mA in alarm or supervisory mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir velocity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–1200 ft\/min open-area applications; 300–4000 ft\/min using the ASD duct application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30-foot centers (900 sq. ft.), per NFPA 72 and ULC-S524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication profiles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11, selected from the control panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSelf-test\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComplete diagnostics every four seconds; status LED flashes green normal, amber trouble, red alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo-wire, polarity insensitive (SureWire)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting base\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDB-11 (500-094151), 4-inch octagonal, square or single-gang box; ordered separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings and approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL and ULC Listed; FM, CSFM and NYC Fire Department Approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase sold separately:\u003c\/strong\u003e the head plugs into a \u003ca href=\"\/products\/siemens-db-11-low-profile-surface-mount-base\"\u003eDB-11\u003c\/a\u003e (500-094151) or the smaller \u003ca href=\"\/products\/siemens-db-11e-standard-base\"\u003eDB-11E\u003c\/a\u003e (500-094151E). In Canada order the ULC-Listed DB-11C (500-095687).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-tapping:\u003c\/strong\u003e permitted only on Style 4 (Class B) wiring. The detector itself is polarity insensitive, so existing two-wire runs can often be reused on retrofits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddress before you install:\u003c\/strong\u003e the Model DPU (500-033260) device programmer sets and verifies the address and runs diagnostics on the head before it goes on the ceiling — there are no dials or switches to set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh air movement:\u003c\/strong\u003e the standard open-area profiles cover 0–1200 ft\/min. Above that — in plenums, inside a duct, or in a duct housing with sampling tubes — the ASD duct application must be selected, which is rated to 4000 ft\/min.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not mount near supply or return outlets,\u003c\/strong\u003e and treat exposed joists or beamed ceilings as a limit on the 30-foot spacing figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField cleanable:\u003c\/strong\u003e the photo chamber unsnaps for cleaning, and the DMK-11 maintenance kit (500-695338) supplies a replacement labyrinth and bug screen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/siemens-hfpt-11-500-033380-plug-in-two-wire-thermal-detector\"\u003eHFPT-11 (500-033380)\u003c\/a\u003e\u003c\/strong\u003e — the FirePrint thermal detector covered by the same installation instructions; heat sensing only, no photoelectric chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/siemens-fp-11-500-095112-multi-criteria-fire-detector\"\u003eFP-11 (500-095112)\u003c\/a\u003e\u003c\/strong\u003e — FirePrint detector for FireFinder XLS and MXL panels rather than FireFinder XLS and FS-250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDB-HR (500-033220)\u003c\/strong\u003e — programmable relay base for H-series intelligent detectors, in place of the plain DB-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/siemens-adbh-11-500-033210-audible-fire-detector-mounting-base\"\u003eADBH-11 (500-033210)\u003c\/a\u003e\u003c\/strong\u003e — audible base, for sounder-base applications on the same head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSpecifications taken from the Siemens data sheet \"Intelligent FirePrint™ Multi-Criteria Detector, Model HFP-11,\" document 6301 (June 2015, Rev. 5), with the thermal alarm point and air-velocity limits from Siemens installation instructions P\/N 315-033290-11. Manufacturer specifications are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132761637088,"sku":"HFP-11","price":339.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-smoke-detectors-default-title-siemens-hfp-11-500-033290-intelligent-fire-detector-31896958075104.jpg?v=1763278795"},{"product_id":"siemens-hfpt-11-500-033380-plug-in-two-wire-thermal-detector","title":"Siemens HFPT-11 (500-033380) FirePrint Plug-In Two-Wire Thermal Detector","description":"\u003cp\u003e\u003cstrong\u003eSiemens HFPT-11\u003c\/strong\u003e — FirePrint plug-in thermal detector, the heat-only member of the HFP-11 family.\u003c\/p\u003e\u003cp\u003eThe HFPT-11 is an addressable heat detector that plugs into a DB-11 base and reports over a two-wire loop; it is polarity insensitive, so either conductor may land on either terminal. Its element is rate compensated rather than plain fixed temperature — a third class alongside fixed temperature and rate of rise, cancelling sensing lag so it responds at its rating on a fast rise as well as a slow one.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThermal alarm temperature rate compensated at 135 °F (57 °C)\u003c\/li\u003e\n\u003cli\u003eOperating range 32 °F to 100 °F (0 °C to 38 °C)\u003c\/li\u003e\n\u003cli\u003eSmooth-ceiling spacing 50 ft on centre, 2,500 sq ft\u003c\/li\u003e\n\u003cli\u003eFM approved installations carry an RTI of FAST: 25 ft, 625 sq ft\u003c\/li\u003e\n\u003cli\u003eAddressable 001 to 252 via the DPU\u003c\/li\u003e\n\u003cli\u003eFor FireFinder XLS and FS-250 control panels; not field cleanable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe OH921 is often listed as a replacement for this detector. No Siemens document read here says so in either direction, and the two are different classes: Siemens titles the OH921 a multi-criteria smoke detector, while the HFPT-11 senses heat alone. The heat-only 921 is HI921.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132761669856,"sku":"HFPT-11","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-heat-detectors-default-title-siemens-hfpt-11-500-033380-plug-in-two-wire-thermal-detector-31998410588384.jpg?v=1763278808"},{"product_id":"siemens-hms-d-500-033400-intelligent-dual-action-pull-station","title":"Siemens HMS-D (500-033400) Intelligent Dual Action Pull Station","description":"\u003cp\u003e\u003cstrong\u003eSiemens HMS-D\u003c\/strong\u003e — addressable dual-action manual fire alarm box, catalogue number 500-033400.\u003c\/p\u003e\u003cp\u003eA dual-action station needs two separate motions: the lever marked PUSH IN must be operated before the pull-down lever will release, which is what separates it from the single-action HMS-S. A microcomputer chip inside holds the station address and communicates in both directions with the panel, so the panel identifies the individual box.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCurrent draw 0.9 mA, active or standby; two-wire, polarity insensitive\u003c\/li\u003e\n\u003cli\u003eElectronic address programming to non-volatile memory using the Model DPU programmer\u003c\/li\u003e\n\u003cli\u003eLever locks down until reset by opening the cover with an Allen key; no break rods\u003c\/li\u003e\n\u003cli\u003eSurface mounting on the SB-5R box or semi-flush in a single-gang switch box\u003c\/li\u003e\n\u003cli\u003eIndoor and dry: 32° to 100°F, 0 to 93% humidity non-condensing\u003c\/li\u003e\n\u003cli\u003eUL Listed, FM 3015946, CSFM 7150-0067:0036, USCG 161.002\/60\/0; ADA compliant\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt operates with FireFinder-XLS and FS-250 panels through the DLC or FS-DLC device loop card. HMS-S (500-033200) is the single-action station in the same housing; HMS-DE and HMS-DP are the Spanish and Portuguese versions.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132761702624,"sku":"HMS-D","price":361.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/siemens-pull-stations-default-title-siemens-hms-d-500-033400-intelligent-dual-action-pull-station-34142979162336.jpg?v=1763278789"},{"product_id":"siemens-htri-d-500-033360-dual-input-module","title":"Siemens HTRI-D (500-033360) Dual Input Module","description":"\u003cp\u003e\u003cstrong\u003eSiemens HTRI-D (500-033360)\u003c\/strong\u003e — addressable dual-input intelligent interface module that supervises and monitors two sets of dry contacts while occupying only one address on the loop.\u003c\/p\u003e\n\u003cp\u003eThe HTRI-D interfaces normally open or normally closed dry contacts to a Siemens addressable fire alarm control panel and reports their status back to the panel. It takes a single address but responds independently to each input, and its LED flashes twice — once for each address — which makes it the natural choice for monitoring a water-flow switch together with its associated valve tamper switch on one device. Each module contains a microcomputer chip that stores identification information and operating-status data, and it is dynamically supervised by the panel. Wiring is two-wire and polarity insensitive via SureWire technology, with screw terminals and the programming port reachable from the front without removing the module. A multi-color LED shows green in normal operation, amber in trouble, and red on a change of state. The module ships with a 5-inch square plastic faceplate.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500-033360\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAddressable dual-input intelligent interface module; one address, two independently reported inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo sets of normally open (N.O.) or normally closed (N.C.) dry contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent draw (active or standby)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 120°F (0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot greater than 93%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo-wire, polarity insensitive (SureWire); screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-inch (10.2 cm) square, 2-1\/4 in. (5.7 cm) deep back box, or a user-supplied double-gang back box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFaceplate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 in. x 5 in. (12.7 cm x 12.7 cm) off-white plastic faceplate included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-color: green normal, amber trouble, red change of state; flashes twice, once per address\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAddressing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic, set into non-volatile memory by the Model DPU; no jumpers, DIP switches or rotary dials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings and approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Listed and ULC Listed; FM, CSFM and NYCFD Approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne address, two inputs:\u003c\/strong\u003e the HTRI-D reports each input independently, so a flow switch and its tamper switch can share a device without losing separate annunciation. That is the usual reason to specify the -D over two HTRI-S modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo relay on this module:\u003c\/strong\u003e if the application needs to control or shunt external equipment, the HTRI-R with its Form C relay is the correct part — the HTRI-D monitors only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAddress before installation:\u003c\/strong\u003e the DPU (500-033260) sets and verifies the address and tests the module. Because the address lives in non-volatile memory rather than in mechanical switches, vibration and corrosion cannot shift it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox depth matters:\u003c\/strong\u003e the module needs a 4-inch square box 2-1\/4 in. deep, or a double-gang box. A shallow ring is the common site problem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine installations:\u003c\/strong\u003e the plastic faceplate must be replaced with the metal USCG-HPLATE cover (S54319-F22-A1), which is what protects the module from radio-frequency interference. It is ordered separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed loops:\u003c\/strong\u003e fully compatible on the same Siemens FACP loop as H-series intelligent detectors, HMS-series addressable manual stations, and other addressable modules such as HZM and HCP.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHTRI-S (500-033370)\u003c\/strong\u003e — single-input module; monitors and reports one contact, no relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHTRI-R (500-033300)\u003c\/strong\u003e — single-input module with an integral SPDT Form C relay rated 4 A resistive at 125 VAC \/ 30 VDC, for control or shunting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHTRI-DZ (S54322-F10-A1)\u003c\/strong\u003e — the same dual-input module under the S-series part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXTRI-D (S54370-B2-A1)\u003c\/strong\u003e — the later X-series dual-input module, which adds built-in ISOtechnology dual isolation for NFPA 72 Class X wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSCG-HPLATE (S54319-F22-A1)\u003c\/strong\u003e — metal cover plate required for Marine installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSpecifications taken from the Siemens data sheet \"HTRI Series Interface Modules, Models HTRI-D\/-DZ, HTRI-R\/-RZ and HTRI-S\/-SZ (and USCG-HPLATE for Marine installs),\" document 6304 (July 2018, Rev. 7). Manufacturer specifications are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132762063072,"sku":"HTRI-D","price":303.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-modules-default-title-siemens-htri-d-500-033360-dual-input-module-31896956895456.jpg?v=1763278805"},{"product_id":"siemens-htri-m-500-034000-single-interface-module","title":"Siemens HTRI-M Mini Single Input Addressable Interface Module, 500-034000, FireFinder XLS and FS-250","description":"\u003cp\u003e\u003cstrong\u003eSiemens HTRI-M\u003c\/strong\u003e — mini addressable interface module, catalogue number 500-034000, monitoring one dry contact on a FireFinder XLS or FS-250 loop.\u003c\/p\u003e\u003cp\u003eIt interfaces direct shorting devices to the DLC loop of the FireFinder XLS or the FS-DLC loop of the FS-250, reporting the state of one normally open or normally closed contact to the panel. Siemens also approves it for UL 1076 proprietary burglary service. It is a compact potted assembly on flying leads.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLoop current draw 1.3 mA in supervisory\u003c\/li\u003e\n\u003cli\u003ePolarity insensitive; either lead may take either loop conductor\u003c\/li\u003e\n\u003cli\u003eMonitored circuit rated 27 VDC and 6 mA maximum during polling\u003c\/li\u003e\n\u003cli\u003eContact resistance 10 Ω maximum, run 200 feet maximum on 18 AWG\u003c\/li\u003e\n\u003cli\u003eEnd-of-line device 470 Ω 1\/4 W; Canada uses Model EL-33\u003c\/li\u003e\n\u003cli\u003eAddress set with the Model DPU programmer and tester\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMounting hardware is not supplied: the switchbox and blank switchplate are both user-supplied. Do not confuse it with the full-size HTRI modules, which take a 4 inch square or double-gang box and ship with a faceplate — HTRI-S 500-033370 single input, HTRI-D 500-033360 dual input, HTRI-R 500-033300 with a relay.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132762095840,"sku":"HTRI-M","price":367.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-modules-default-title-siemens-htri-m-500-034000-single-interface-module-30826839965920.jpg?v=1763278765"},{"product_id":"siemens-htri-r-500-033300-single-interface","title":"Siemens HTRI-R Single Input Interface Module with Form C Relay, FireFinder-XLS and FS-250 (500-033300)","description":"\u003cp\u003e\u003cstrong\u003eSiemens HTRI-R\u003c\/strong\u003e (Siemens part number 500-033300) is an addressable single-input interface module with an integral Form C relay, for FireFinder-XLS and FS-250 panels.\u003c\/p\u003e\u003cp\u003eThe HTRI series lets direct shorting devices join the DLC device loop of a Siemens FireFinder-XLS or FS-250 panel, monitoring one normally open or normally closed dry contact such as a waterflow or tamper switch. The R suffix denotes the relay, not a colour or a remote: it adds an addressable single-pole double-throw relay that the panel drives as a separate function at the same address, typically to shunt external equipment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMonitors one N.O. or N.C. dry contact; Form C relay up to 4 amps\u003c\/li\u003e\n\u003cli\u003eRelay resistive rating 4 A at 125 VAC and 4 A at 30 VDC\u003c\/li\u003e\n\u003cli\u003eDraws 1.3 mA in standby and during polling, 30 VDC maximum\u003c\/li\u003e\n\u003cli\u003eEnd-of-line device: 470 Ω, 1\/4 W resistor, Siemens P\/N 140-820164\u003c\/li\u003e\n\u003cli\u003ePolarity insensitive two-wire connection, 12 to 18 AWG terminals\u003c\/li\u003e\n\u003cli\u003eTricolour LED: green normal, amber trouble, red change of state\u003c\/li\u003e\n\u003cli\u003e32 to 120°F, up to 93% RH non-condensing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDo not order it in place of the HTRI-S (500-033370), the same input without the relay, or the HTRI-D (500-033360), the dual-input module.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe HTRI series joins direct shorting devices to the DLC device loop of a Siemens FireFinder-XLS or FS-250 panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-htri-s-500-033370-single-input-module\"\u003eHTRI-S (500-033370)\u003c\/a\u003e: the same input without the relay.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-htri-d-500-033360-dual-input-module\"\u003eHTRI-D (500-033360)\u003c\/a\u003e: the dual-input module.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-htri-m-500-034000-single-interface-module\"\u003eHTRI-M\u003c\/a\u003e: the mini single input interface module.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the R in HTRI-R mean?\u003c\/strong\u003e\u003cbr\u003eThe R suffix denotes the relay, not a color or a remote. It adds an addressable single-pole double-throw relay that the panel drives as a separate function at the same address.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat end-of-line device does it use?\u003c\/strong\u003e\u003cbr\u003eA 470 ohm, 1\/4 W resistor, Siemens P\/N 140-820164.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132762390752,"sku":"HTRI-R","price":275.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-relay-modules-default-title-siemens-htri-r-500-033300-single-interface-31896957157600.jpg?v=1763278823"},{"product_id":"siemens-htri-s-500-033370-single-input-module","title":"Siemens HTRI-S (500-033370) Single Input Module","description":"\u003cp\u003e\u003cstrong\u003eSiemens HTRI-S (500-033370)\u003c\/strong\u003e — intelligent single-input interface module.\u003c\/p\u003e\u003cp\u003eReach for the HTRI-S when a dry contact must appear on the panel as its own addressable point: a waterflow switch, a valve tamper, a duct detector contact. It monitors one N.O. or N.C. contact and reports its state to the panel over the intelligent device loop. It carries no relay, so it is monitor-only.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle input, one N.O. or N.C. dry contact, one address\u003c\/li\u003e\n\u003cli\u003eTwo-wire, polarity insensitive, dynamically supervised; 1.3 mA draw\u003c\/li\u003e\n\u003cli\u003eShares the loop with Siemens H-series detectors, HMS-series manual stations, HZM and HCP modules\u003c\/li\u003e\n\u003cli\u003eAddress set electronically with the Model DPU programmer, not DIP switches\u003c\/li\u003e\n\u003cli\u003eMulti-color LED: green normal, amber trouble, red change of state\u003c\/li\u003e\n\u003cli\u003e32 to 120 °F (0 to 49 °C), up to 93% RH\u003c\/li\u003e\n\u003cli\u003eMounts in a 4 in square, 2-1\/4 in deep or double-gang box\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHTRI-S is monitor-only; HTRI-R adds a Form C relay and HTRI-D is dual-input — not interchangeable. Marine work also needs the USCG-HPLATE cover plate, sold separately.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132762652896,"sku":"HTRI-S","price":262.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-modules-default-title-siemens-htri-s-500-033370-single-input-module-31896957780192.jpg?v=1763278798"},{"product_id":"siemens-se-mc-r-500-636025-speaker-strobe","title":"Siemens SE-MC-R Speaker Strobe, Wall Mount, Multi-Candela 15\/30\/75\/110 cd, Red (500-636025)","description":"\u003cp\u003e\u003cstrong\u003eSiemens SE-MC-R\u003c\/strong\u003e — wall-mount multi-candela speaker strobe, red, Siemens catalogue number 500-636025.\u003c\/p\u003e\u003cp\u003eSeries SE appliances combine a tapped 25 or 70 VRMS speaker with a strobe in one indoor housing, so one back box carries both audio and visual signal. The strobe can be synchronised by Siemens 50-, 252- and 504-point addressable panels, FireFinder XLS\/V panels, PAD-3 and PAD-4 NAC extenders and dual-sync control modules.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpeaker taps field-selectable from 1\/8 W to 2 W at 25 or 70 VRMS, 400 to 4,000 Hz\u003c\/li\u003e\n\u003cli\u003eStrobe field-selectable 15, 30, 75 and 110 cd, rated per UL 1971\u003c\/li\u003e\n\u003cli\u003eMaximum RMS current at the high dBA setting, 16.0 to 33.0 VDC: 0.064, 0.098, 0.175 and 0.233 A\u003c\/li\u003e\n\u003cli\u003eFull-wave rectified, 16.0 to 33.0 VRMS: 0.108, 0.164, 0.268 and 0.368 A\u003c\/li\u003e\n\u003cli\u003eMounts to a 4 in. square by 2-1\/8 in. deep box, no extension ring required\u003c\/li\u003e\n\u003cli\u003eUL 1480 speaker and UL 1971 strobe listings, FM and CSFM approved, indoor use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eListed for wall mounting only. SE-MC-W is the white version, SE-MC-CR the ceiling-only model at 15\/30\/75\/95 cd, SE-HMC-R the high-candela wall model at 135\/185 cd, and SEC-R a speaker with no strobe.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132763701472,"sku":"SE-MC-R","price":102.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-speaker-strobes-default-title-siemens-se-mc-r-500-636025-speaker-strobe-31896975442144.jpg?v=1763278813"},{"product_id":"siemens-se-w-500-636030-fire-alarm-white-speaker","title":"Siemens SE-W (500-636030) Fire Alarm White Speaker","description":"\u003cp\u003e\u003cstrong\u003eSiemens SE-W\u003c\/strong\u003e — P\/N 500-636030, a white SE Series speaker-only appliance for indoor fire alarm voice evacuation.\u003c\/p\u003e\u003cp\u003eReach for the SE-W where a voice\/alarm communication system needs audible coverage but no visual signal. The sealed-back speaker takes a field-selectable tap, so one part number can be balanced against the audio riser at commissioning. Siemens lists it for both wall and ceiling use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpeaker only — there is no strobe in this model\u003c\/li\u003e\n\u003cli\u003eField-selectable 25 or 70 V\u003csub\u003eRMS\u003c\/sub\u003e input, taps from 1\/8 W to 2 W\u003c\/li\u003e\n\u003cli\u003e77 dBA at 1\/8 W rising to 88 dBA at 2 W, at 10 feet (3 m), per UL 1480\u003c\/li\u003e\n\u003cli\u003eFrequency response 400–4,000 Hz\u003c\/li\u003e\n\u003cli\u003eFlush mounts to a 4\" (10.2 cm) square × 2-1\/8\" (5.4 cm) deep box; no extension ring for wall use\u003c\/li\u003e\n\u003cli\u003eIn\/out screw terminals take #12–#18 AWG\u003c\/li\u003e\n\u003cli\u003eIndoor, 32°F to 120°F (0°C to 49°C), 85% RH max\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOrder check: the SE-W has no candela rating. If the drawing calls for a speaker-strobe here you need an SE-MC or SE-HMC, and those are wall-mount only.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132763734240,"sku":"SE-W","price":47.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-speakers-default-title-siemens-se-w-500-636030-fire-alarm-white-speaker-31896974393568.jpg?v=1763278842"},{"product_id":"siemens-set-mc-cw-500-636063-speaker-strobe","title":"Siemens SET-MC-CW (500-636063) Speaker Strobe","description":"\u003ch2\u003eSiemens SET-MC-CW (500-636063) Speaker Strobe for Ceiling Multi-Candela White\u003c\/h2\u003e\n\u003cp\u003eThis item has been discontinued. Please use the replacement SL2SPSCW-F\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764160224,"sku":"SET-MC-CW","price":143.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-speaker-strobes-default-title-siemens-set-mc-cw-500-636063-speaker-strobe-31896973181152.jpg?v=1763278833"},{"product_id":"siemens-tri-d-500-896226-interface-dual-input-module","title":"Siemens TRI-D 500-896226 Dual Input Intelligent Interface Module for FireFinder XLS and MXL","description":"\u003cp\u003e\u003cstrong\u003eSiemens TRI-D\u003c\/strong\u003e — dual input intelligent initiating interface module, part number 500-896226, for FireFinder XLS and MXL control panels.\u003c\/p\u003e\u003cp\u003eThe TRI-D supervises two separate sets of normally open dry contacts from one enclosure, which is why Siemens names a waterflow switch and its matching valve tamper switch as the typical application. It differs from the single input members of the series in taking two address settings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo supervised inputs for normally open dry contacts\u003c\/li\u003e\n\u003cli\u003eRequires two address settings on the addressable circuit\u003c\/li\u003e\n\u003cli\u003eCurrent draw 1.5 mA, active or standby; two-wire operation with dynamic supervision\u003c\/li\u003e\n\u003cli\u003eElectronic addressing set with a Model DPU or FPI-32 programmer\u003c\/li\u003e\n\u003cli\u003eMulti-color LED, flashing twice, once per address: green normal, amber trouble, red change of status\u003c\/li\u003e\n\u003cli\u003eMounts in a 4 in. square or double-gang box; UL and ULC Listed, CSFM and NYCFD Approved\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTRI-S (500-896225) is the single input module and TRI-R (500-896224) the single input module with an addressable Form C relay. The later HTRI-D and XTRI-D are separate lines, not drop-in equivalents: HTRI-D needs only one address.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764356832,"sku":"TRI-D","price":1054.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-modules-default-title-siemens-tri-d-500-896226-interface-dual-input-module-31896977604832.jpg?v=1763278843"},{"product_id":"siemens-tri-r-500-896224-intelligent-interface-module","title":"Siemens TRI-R Intelligent Single Input Interface Module with Form C Relay, 500-896224","description":"\u003cp\u003e\u003cstrong\u003eSiemens TRI-R\u003c\/strong\u003e (part number 500-896224) is a single input intelligent interface module with an integral Form C relay. It interfaces direct shorting devices to the MLC loop card of a FireFinder XLS panel or the ALD addressable loop driver of an MXL system.\u003c\/p\u003e\u003cp\u003eIt interfaces direct shorting devices to the MLC loop card of a FireFinder XLS panel or the ALD addressable loop driver of an MXL system. A microcomputer chip holds the address and status in non-volatile memory, so there are no dials or DIP switches to corrode.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupervises one normally open dry contact and reports its status to the panel\u003c\/li\u003e\n\u003cli\u003eIntegral single pole double throw relay rated 4 A at 125 VAC and 4 A at 30 VDC resistive\u003c\/li\u003e\n\u003cli\u003eRelay and contact input share one address but can be commanded separately\u003c\/li\u003e\n\u003cli\u003eCurrent draw 1.5 mA active or standby; two wire operation\u003c\/li\u003e\n\u003cli\u003eLED flashes green when normal, amber on trouble, red on a relay change of state\u003c\/li\u003e\n\u003cli\u003eMounts in a 4 in. square box 2-1\/8 in. deep or a double gang box; 5 by 5 in. faceplate included\u003c\/li\u003e\n\u003cli\u003eProgrammed and tested with the Siemens DPU or FPI-32\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTRI-S (500-896225) is the same module without the relay; TRI-D (500-896226) is the dual input version and takes two addresses. XTRI-R (S54370-B1-A1) is a newer part for other Siemens loops.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eOrder the TRI-R for FireFinder XLS (MLC loop card) or MXL (ALD loop driver) systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-tri-s-500-896225-interface-single-input-module\"\u003eTRI-S (500-896225)\u003c\/a\u003e: the same module without the relay.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-tri-d-500-896226-interface-dual-input-module\"\u003eTRI-D (500-896226)\u003c\/a\u003e: the dual input version; takes two addresses.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/siemens-xtri-r-s54370-b1-a1-addressable-monitor\"\u003eXTRI-R (S54370-B1-A1)\u003c\/a\u003e: a newer part for other Siemens loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the relay on the TRI-R do?\u003c\/strong\u003e\u003cbr\u003eIt is a single pole double throw relay rated 4 A at 125 VAC and 4 A at 30 VDC resistive. The relay and the contact input share one address but can be commanded separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the TRI-R programmed and tested?\u003c\/strong\u003e\u003cbr\u003eWith the Siemens DPU or FPI-32. The address and status are held in non-volatile memory, so there are no dials or DIP switches.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764389600,"sku":"TRI-R","price":1318.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-modules-default-title-siemens-tri-r-500-896224-intelligent-interface-module-31896978882784.jpg?v=1763278846"},{"product_id":"siemens-zh-mc-cr-500-636165-multi-candela-horn-strobe","title":"Siemens ZH-MC-CR (500-636165) Multi Candela Horn Strobe","description":"\u003ch2\u003eSiemens ZH-MC-CR (500-636165) Multi Candela Horn Strobe (Ceiling Mount, Red)\u003c\/h2\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764487904,"sku":"ZH-MC-CR","price":100.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-horn-strobes-default-title-siemens-zh-mc-cr-500-636165-multi-candela-horn-strobe-31896979800288.jpg?v=1763278835"},{"product_id":"siemens-zh-mc-r-500-636161-z-horn-multi-candela","title":"Siemens ZH-MC-R (500-636161) Z Horn Multi Candela","description":"\u003ch2\u003eSiemens ZH-MC-R (500-636161) Z Horn Multi Candela Wall Red (\u003ca href=\"https:\/\/thefirealarmsupplier.com\/products\/siemens-slhswr-f-s54329-f22-a1-horn-strobe-wall-red\"\u003eReplaced by SLHSWR-F)\u003c\/a\u003e\n\u003c\/h2\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764520672,"sku":"ZH-MC-R","price":181.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-horns-default-title-siemens-zh-mc-r-500-636161-z-horn-multi-candela-31896979996896.jpg?v=1763278851"},{"product_id":"siemens-zh-r-500-636159-notification-appliances","title":"Siemens ZH-R (500-636159) Notification Appliances","description":"\u003ch2\u003eSiemens ZH-R (500-636159) Notification Appliances feature an easy snap-on base designed to simplify the instal­lation and testing of horns, strobes, and horn\/strobes (Replaced by SL2HWR)\u003c\/h2\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764553440,"sku":"ZH-R","price":53.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-horns-default-title-siemens-zh-r-500-636159-notification-appliances-31896981274848.jpg?v=1763278845"},{"product_id":"siemens-zr-mc-cr-strobe-multi-candela-ceiling-red","title":"Siemens ZR-MC-CR Strobe Multi-Candela Ceiling Red","description":"\u003ch2\u003eSiemens ZR-MC-CR Strobe Multi-Candela Ceiling Red\u003c\/h2\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764618976,"sku":"ZR-MC-CR","price":96.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-strobes-default-title-siemens-zr-mc-cr-strobe-multi-candela-ceiling-red-31896981766368.jpg?v=1763278847"},{"product_id":"siemens-zr-mc-r-500-636169-strobe","title":"Siemens ZR-MC-R Z Series Multi-Candela Strobe, Wall Mount, Red, 15\/30\/75\/110 cd, 24V Indoor, 500-636169","description":"\u003cp\u003e\u003cstrong\u003eSiemens ZR-MC-R\u003c\/strong\u003e — Z Series multi-candela wall strobe, red, Siemens catalogue number 500-636169, for 24 V indoor notification appliance circuits.\u003c\/p\u003e\u003cp\u003eZR is the strobe-only half of the Z Series and ZH the half that carries a horn, so this is visual signalling alone, with no audible output and no dBA rating in its documentation. MC is Multi Candela: installation sheet P84860-001C gives ZR-MC four wall settings, while the high multi-candela ZR-HMC offers 135 and 185 cd instead.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eField-selectable candela: 15, 30, 75 and 110 cd, wall mounting\u003c\/li\u003e\n\u003cli\u003e0.064, 0.098, 0.175 and 0.233 A on DC at 16 to 33 V; 0.108, 0.164, 0.268 and 0.368 A on FWR\u003c\/li\u003e\n\u003cli\u003eXenon flashtube in a Lexan lens, one flash per second minimum over the regulated range\u003c\/li\u003e\n\u003cli\u003e24 V only, 16.0 to 33.0 VDC or VRMS, polarized for reverse-polarity supervision\u003c\/li\u003e\n\u003cli\u003eUL 1971 listed, FM 3028994, CSFM 7125-0067:0252; indoor use only, 32 to 120 °F\u003c\/li\u003e\n\u003cli\u003eBack plate fits single-gang, double-gang, 4 in. square, 4 in. octagon or 3-1\/2 in. octagon boxes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eZR-MC-W is the same strobe in white and ZR-HMC-R the high multi-candela wall red. ZR-MC-CR is the ceiling version, at 15, 30, 75 and 95 cd. ZH-MC-R adds a horn to this same strobe.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764717280,"sku":"ZR-MC-R","price":77.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-strobes-default-title-siemens-zr-mc-r-500-636169-strobe-31896981143776.jpg?v=1763278850"},{"product_id":"siemens-zr-mc-w-500-636170-z-strobe-multi-candela","title":"Siemens ZR-MC-W (500-636170) Z Strobe Multi Candela","description":"\u003ch2\u003eSiemens ZR-MC-W (500-636170) Z Strobe Multi Candela (Wall), White \u003c\/h2\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43132764750048,"sku":"ZR-MC-W","price":77.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/siemens-strobes-default-title-siemens-zr-mc-w-500-636170-z-strobe-multi-candela-31896981373152.jpg?v=1763278862"},{"product_id":"fire-lite-d355pl-duct-smoke-detector-replaced-by-d365pl","title":"Fire-Lite D355PL Duct Smoke Detector (Replaced by D365PL)","description":"\u003cp\u003e\u003cstrong\u003eFire-Lite D355PL\u003c\/strong\u003e — InnovairFlex intelligent non-relay photoelectric low-flow duct smoke detector housing, supplied with the SD355R remote-test-capable sensor head.\u003c\/p\u003e\u003cp\u003eThe pivoting housing fits either a square or a rectangular footprint and mounts to round or rectangular duct. It draws communication line power only, and a cover tamper feature reports a removed or badly seated cover as a trouble at the panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir velocity 100 to 4,000 ft\/min (0.5 to 20.32 m\/s)\u003c\/li\u003e\n\u003cli\u003eOperating temperature -4°F to 158°F (-20°C to 70°C); humidity 0 to 95 percent non-condensing\u003c\/li\u003e\n\u003cli\u003eRectangular footprint 14.38 × 5 × 2.5 in.; square 7.75 × 9 × 2.5 in.\u003c\/li\u003e\n\u003cli\u003eWeight 1.6 lb (0.73 kg), with a 3\/4 in. conduit knockout\u003c\/li\u003e\n\u003cli\u003eUL and ULC S1059, CSFM 3240-0075:0221, FM approved\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDNRW is the NEMA-4 watertight version of the same housing and ships without a head. D365PL is the later housing, carrying the SD365R(A)-IV head that Fire-Lite lists as replacing the SD355R supplied here. The CRF-300 relay module, DST sampling tubes and the RTS151 remote test station are ordered separately.\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":43132767863008,"sku":"D355PL","price":247.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/fire-lite-duct-detectors-default-title-fire-lite-d355pl-duct-smoke-detector-replaced-by-d365pl-31896799183072.jpg?v=1763278861"},{"product_id":"system-sensor-p2rh-lf-low-frequency-sounder-strobe","title":"System Sensor P2RH-LF Low Frequency Sounder Strobe","description":"\u003cp\u003e\u003cstrong\u003eP2RH-LF\u003c\/strong\u003e — System Sensor SpectrAlert Advance 2-wire low frequency sounder strobe, High cd, red, combining a 520 Hz ± 10% square wave sounder with a xenon strobe.\u003c\/p\u003e\n\u003cp\u003eThe P2RH-LF was designed to meet the NFPA 72 sleeping space requirement for a low frequency notification appliance operating within a frequency range of 520 Hz ± 10% with a square wave tone. The device is tamper resistant, with a plug-in design that minimises intrusion into the back box, making installation fast and foolproof while virtually eliminating costly and time-consuming ground faults. A universal mounting plate carries an onboard shorting spring so wiring continuity can be checked before the device is installed, and the unit is electrically compatible with legacy SpectrAlert devices. The housing carries a permanent marking that reads “low frequency sounder”.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-wire low frequency sounder strobe, High cd, red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCandela settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eField-selectable 135, 150, 177 and 185 cd (wall unit ratings)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTone frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e520 Hz ± 10% square wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRegulated 24 VDC\/FWR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating voltage range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 to 33 V (24 V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrobe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXenon flash tube with lens\/reflector system, 1 flash per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSounder patterns\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemporal 3 or Continuous, set by a multiple position switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound output, reverberant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76 dBA Temporal 3; 80 dBA Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSound output, anechoic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86 dBA Temporal 3; 90 dBA Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent draw, DC 16–33 V, Temporal 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e277 mA at 135 cd; 292 mA at 150 cd; 325 mA at 177 cd; 344 mA at 185 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent draw, DC 16–33 V, Continuous\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e337 mA at 135 cd; 362 mA at 150 cd; 387 mA at 177 cd; 417 mA at 185 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent draw, FWR 16–33 V, Temporal 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e296 mA at 135 cd; 309 mA at 150 cd; 343 mA at 177 cd; 351 mA at 185 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent draw, FWR 16–33 V, Continuous\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e393 mA at 135 cd; 395 mA at 150 cd; 432 mA at 177 cd; 433 mA at 185 cd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 120°F (0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 to 93% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput terminal wire gauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 to 18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (including lens)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.4 in L x 4.7 in W x 2.5 in D (162 mm L x 119 mm W x 64 mm D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions with SBBR back box\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.4 in L x 4.7 in W x 4.3 in D (162 mm L x 120 mm W x 108 mm D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1971 and UL 464\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eInstallation notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 volts only:\u003c\/strong\u003e the low frequency sounder \u003cem\u003estrobe\u003c\/em\u003e is a regulated 24 VDC\/FWR appliance with a 16 to 33 V operating range. The 8 to 17.5 V (12 V nominal) range published in this family applies to the sounder-only models such as the HR-LF, not to this sounder strobe. Do not apply it to a 12-volt NAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh cd only:\u003c\/strong\u003e “High cd” on this model means the selectable range is 135, 150, 177 and 185 — there is no 15, 30, 75 or 95 cd setting. If the design calls for a low candela value, this is the wrong appliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-coded supply:\u003c\/strong\u003e the sounder on sounder strobe models operates on a non-coded power supply and offers Temporal 3 and Continuous only. The Coded position exists on the sounder-only models, not here.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack boxes:\u003c\/strong\u003e a standard 4 x 4 x 1-1\/2-inch back box, 4-inch octagon box or double-gang box. Being a 2-wire product it may also mount to a single-gang 2 x 4 x 1-7\/8-inch back box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronization:\u003c\/strong\u003e compatible with the MDL3 Sync•Circuit module. On the MDL3, 24-volt rated NAC outputs operate between 16.5 and 33 volts. While operating the strobes the module can silence the sounder over a single pair of wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting listing:\u003c\/strong\u003e listed for ceiling or wall mounting; the candela values quoted above are the wall unit ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel compatibility:\u003c\/strong\u003e if the appliances are not UL 9th edition listed with the panel or power supply in use, refer to the panel compatibility listing to determine the maximum devices on a circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eP2WH-LF\u003c\/strong\u003e — the identical 2-wire High cd low frequency sounder strobe in a white housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHR-LF\u003c\/strong\u003e — SpectrAlert Advance low frequency sounder, red, no strobe; unlike this model it runs on a nominal 12 or 24 volts and offers a Coded setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP2RL-LF\u003c\/strong\u003e — the newer L-Series replacement in red, which adds the low candela settings (15, 30, 75, 95, 110, 135, 185) and Temporal 4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMDL3\u003c\/strong\u003e — Sync•Circuit synchronization module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSBBR\u003c\/strong\u003e — red wall surface mount back box; \u003cstrong\u003eTR-HS\u003c\/strong\u003e red wall trim ring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSpecifications taken from the System Sensor data sheet “Selectable-Output Low Frequency Sounder and Low Frequency Sounder Strobes for Wall Applications,” document AVDS16404 (1\/15). Manufacturer specifications are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/System-Sensor-SpectrAlert-Advance-Indoor-Wall-Data-Sheet-AVDS1021.pdf?v=1793422186\" target=\"_blank\" rel=\"noopener\"\u003eSpectrAlert Advance Indoor Wall Horns, Strobes and Horn Strobes — Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132770320608,"sku":"P2RH-LF","price":80.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-sounder-strobes-default-title-system-sensor-p2rh-lf-low-frequency-sounder-strobe-31897182535904.jpg?v=1793438731"},{"product_id":"system-sensor-spscrl-red-ceiling-mount-speaker","title":"System Sensor SPSCRL Red Ceiling Mount Speaker","description":"\u003ch2\u003eSystem Sensor SPSCRL Red Ceiling Mount Speaker from the L-Series of devices\u003c\/h2\u003e\n\u003cp\u003eIt simplifies installation with instant feedback to ensure proper wiring, rotary switches for voltage and power settings, and 7 field-selectable candela settings for both wall and ceiling speaker strobes.\u003c\/p\u003e\n\u003cp\u003eThe plug-in design and universal mounting plate reduce costly ground faults, and a protective plastic cover prevents nicked wires.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e15, 30, 75, 95, 115, 150, and 177 candela\u003c\/li\u003e\n\u003cli\u003eNo extension ring required\u003c\/li\u003e\n\u003cli\u003eRotary switch simplifies field selection of speaker voltage\u003c\/li\u003e\n\u003cli\u003eTamper-resistant\u003c\/li\u003e\n\u003cli\u003eModern aesthetics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounts to a 4 x 4 x 2 1\/8-inch back box\u003c\/li\u003e\n\u003cli\u003eUses a universal mounting plate for ceiling and wall products\u003c\/li\u003e\n\u003cli\u003eNotification appliance circuit and amplifier wiring terminate at the universal mounting plate\u003c\/li\u003e\n\u003cli\u003eL-Series speaker strobes, when used with the Sync-Circuit Module accessory, are powered from a non-coded notification appliance circuit output and operate on a nominal 12 or 24 volts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith a weight of 3 lbs and dimensions of 8 x 8 x 6 in, the System Sensor SPSCRL provides reliable and efficient sound for any commercial or residential setting.\u003c\/p\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132770681056,"sku":"SPSCRL","price":74.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-speaker-strobes-default-title-system-sensor-spscrl-red-ceiling-mount-speaker-37789021438176.jpg?v=1763278913"},{"product_id":"system-sensor-spscwk-speaker-strobe-1","title":"System Sensor SPSCWK Speaker Strobe","description":"\u003ch2\u003eSystem Sensor SPSCWK SpectrAlert Advance Speaker Strobe, Ceiling Mount, Standard CD, \"FIRE\" Marking, White\u003cbr\u003e\n\u003c\/h2\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132770713824,"sku":"SPSCWK","price":198.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/system-sensor-speaker-strobes-default-title-system-sensor-spscwk-speaker-strobe-35013603295456.jpg?v=1763278909"},{"product_id":"simplex-2081-9274-12v-10ah-battery","title":"Simplex 2081-9274 Sealed Lead-Acid System Battery, 12V 10Ah at 20-Hour Rate","description":"\u003cp\u003e\u003cstrong\u003eSimplex 2081-9274\u003c\/strong\u003e — 12 V sealed lead-acid system battery rated 10 Ah at the 20-hour discharge rate.\u003c\/p\u003e\u003cp\u003eSimplex panels take their secondary supply from two 12 V batteries wired in series for 24 V. At 10 Ah this is one of the four smaller sizes that fit the included cabinet on every Simplex panel series rather than needing an external enclosure. Lead-calcium grids and immobilized electrolyte give rated capacity on the first cycle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNominal 12 V; 10 Ah at the 20-hour rate, the only rate Simplex publishes\u003c\/li\u003e\n\u003cli\u003e6 in. W × 4.06 in. D × 4 in. high over terminals; 9.2 lb (4.2 kg)\u003c\/li\u003e\n\u003cli\u003eDual-seal polystyrene cell cover; UL 924 recognized pressure relief valves\u003c\/li\u003e\n\u003cli\u003eTypical 100 to 150 cycles; preferred charge temperature 60 °F to 90 °F\u003c\/li\u003e\n\u003cli\u003eFits the included cabinet on 4003EC, 4004R, 4007ES, 4005, 4006, 4008, 4009, 4010, 4010ES, 4100ES, 4100U, 4100 and 4120\u003c\/li\u003e\n\u003cli\u003eSets must match in voltage, model, appearance and approximate date of manufacture\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeighbouring rows are 2081-9286 at 7.0 Ah and 2081-9288 at 12.7 Ah, and 2081-9275 at 18 Ah, which fits the panel cabinet on five of the nine series listed and needs an external cabinet on the rest.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":43132772843744,"sku":"2081-9274","price":114.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/simplex-batteries-default-title-simplex-2081-9274-12v-10ah-battery-35383878156512.jpg?v=1763278954"},{"product_id":"simplex-4098-9615-ssd-heat-detector","title":"Simplex 4098-9615 Heat Detector Head, 200F Fixed\/Rate-of-Rise, 2-Wire","description":"\u003cp\u003e\u003cstrong\u003eSimplex 4098-9615\u003c\/strong\u003e — 200°F (93°C) fixed-temperature electronic heat detector with rate-of-rise, head only.\u003c\/p\u003e\u003cp\u003eThis is the high-temperature member of the 4098 electronic heat detector family, for spaces whose normal ambient runs above 100°F — boiler rooms, attics and loading areas — where smoke detection is unsuitable. Its thermistor design tracks ambient temperature directly instead of waiting for a pellet or bimetal element to heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFixed temperature 200°F (93°C) plus rate-of-rise operation between 15° and 25°F\/min (8.33° and 13.88°C\/min)\u003c\/li\u003e\n\u003cli\u003eNon-addressable, for conventional two-wire IDCs, 15 to 32 VDC\u003c\/li\u003e\n\u003cli\u003eStandby 80 µA typical; alarm up to 86 mA on two-wire operation\u003c\/li\u003e\n\u003cli\u003eUL and ULC spacing 70 ft × 70 ft; FM spacing 50 ft × 50 ft, Ultra Fast RTI\u003c\/li\u003e\n\u003cli\u003eAmbient operating range 32° to 150°F (0° to 66°C); self-restoring, with alarm LED\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe head takes a separately ordered base: 4098-9788, 4098-9684, 4098-9683 or four-wire 4098-9682. For 135°F applications order 4098-9613 instead.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":43132776743136,"sku":"4098-9615","price":42.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/simplex-heat-detectors-default-title-simplex-4098-9615-ssd-heat-detector-31897048219872.jpg?v=1763279056"}],"url":"https:\/\/thefirealarmsupplier.com\/collections\/discontinued-parts.oembed?page=19","provider":"The Fire Alarm Supplier","version":"1.0","type":"link"}