{"title":"Transformers","description":"\u003cp\u003eTransformers supply and expand power for fire alarm control panels and notification circuits. The common case is a NAC power expansion transformer that raises the available notification current when a panel's built-in supply cannot carry all the horns and strobes on a circuit.\u003c\/p\u003e \u003cp\u003eSize by the total notification load, not by device count — candela setting drives strobe current, so two apparently identical devices can draw very different amounts. Confirm the primary voltage available at the panel location (120V or 240V) and that the unit is listed for fire alarm service.\u003c\/p\u003e","products":[{"product_id":"simplex-478-332-transformer","title":"Simplex 478-332 Transformer 120V 60Hz","description":"\u003cp\u003e\u003cstrong\u003eSimplex 478-332\u003c\/strong\u003e — service replacement power transformer, 120 VAC 60 Hz primary.\u003c\/p\u003e\u003cp\u003eFire alarm panel transformers are selected by part number, not by rating: the winding is matched to the power supply board it feeds, and the number on the unit being replaced is the only dependable selector.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrimary: 120 VAC, 60 Hz\u003c\/li\u003e\n\u003cli\u003eSimplex service part, ordered and cross-referenced by part number\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe could not locate any published Simplex or Johnson Controls datasheet, installation sheet or parts list for the 478-332, so this page deliberately states no secondary voltage, no VA rating and no host panel model. Match the number stamped on the transformer you are replacing; if the label is unreadable, confirm with Johnson Controls before ordering.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":43132789457120,"sku":"478-332","price":85.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/simplex-transformers-default-title-simplex-478-332-transformer-31897082167520.jpg?v=1770202219"},{"product_id":"fire-lite-xrm-24b-1","title":"Fire-Lite XRM-24B Optional Transformer for Fire Alarm Control Panels, 24 Volt 100VA, 120 VAC 60 Hz Input","description":"\u003cp\u003eOptional Transformer Increases System Power Output To 60 Amps Use Xrm-24Be With Ms-9200Udls Rev2(E)\u003c\/p\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":43132878291168,"sku":"XRM-24B","price":181.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/fire-lite-fire-alarms-default-title-fire-lite-xrm-24b-31896826740960.jpg?v=1763277854"},{"product_id":"fire-lite-xrm-24be-optional-transformer","title":"Fire-Lite XRM-24BE Optional Transformer","description":"\u003ch2\u003eFire-Lite XRM-24BE Optional Transformer Increases System Power Output to 60 Amps use XRM-24BE with MS-9200UDLS Rev2(E), 220 Volts\u003c\/h2\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":43132878323936,"sku":"XRM-24BE","price":139.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/fire-lite-transformers-default-title-fire-lite-xrm-24be-optional-transformer-31896821891296.jpg?v=1763277896"},{"product_id":"fire-lite-xrm-24-transformer","title":"Fire-Lite XRM-24 Transformer, Expands NAC Circuit Power from 3 to 5 Amps, Flex 404 Only","description":"\u003ch2\u003eFire-Lite XRM-24 Transformer, Expands NAC Circuit Power From 3 to 5 Amps, Flex 404 Only\u003c\/h2\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":43132880027872,"sku":"XRM-24","price":166.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/fire-lite-transformer-default-title-fire-lite-xrm-24-transformer-31896824840416.jpg?v=1763277908"},{"product_id":"fire-lite-xrm-24e-transformer-expands-notification-appliance","title":"Fire-Lite XRM-24E Transformer Expands Notification Appliance","description":"\u003ch2\u003eFire-Lite XRM-24E Transformer Expands Notification Appliance (Bell) Circuit Power From 3 to 6 Amps for the MS-4 - Mounts Within Cabinet, 220 Volts\u003c\/h2\u003e","brand":"Fire-Lite","offers":[{"title":"Default Title","offer_id":43790994309344,"sku":"XRM-24E","price":174.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/fire-lite-transformers-default-title-fire-lite-xrm-24e-transformer-expands-notification-appliance-31896825725152.jpg?v=1763283470"},{"product_id":"hyperspike-90179a-801-tranformer","title":"HyperSpike 90179A-801 70V Constantvoltage Transformer","description":"\u003ch2\u003eHyperSpike 90179A-801 Tranformer 70V\u003c\/h2\u003e","brand":"HyperSpike","offers":[{"title":"Default Title","offer_id":43793398595808,"sku":"90179A-801","price":1441.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/hyperspike-fire-alarms-default-title-hyperspike-90179a-801-tranformer-31896871764192.jpg?v=1763283464"},{"product_id":"notifier-75358ta","title":"Notifier 75358TA Signal Sub-Assembly Transformer Module","description":"\u003ch2\u003eNotifier 75358TA Signal Sub-Assembly Transformer Module\u003c\/h2\u003e","brand":"Notifier","offers":[{"title":"Default Title","offer_id":44262752649440,"sku":"75358TA","price":155.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/notifier-transformer-default-title-notifier-75358ta-31916218417376.jpg?v=1763283968"},{"product_id":"simplex-478-353-transformer-220-vac","title":"Simplex 478-353 Power Transformer, 220 VAC, for 4100 Series Power Supplies and 100 W Amplifier","description":"\u003cp\u003e\u003cstrong\u003eSimplex 478-353\u003c\/strong\u003e — 220 VAC mains power transformer for Simplex 4100 series power supplies and the 100 watt amplifier.\u003c\/p\u003e\u003cp\u003eThe power supply modules in a 4100 system step incoming mains down to the low voltage rails that run the panel, charge the standby batteries and feed the notification circuits. This transformer performs that step-down, and the 220 VAC figure is its primary input, not an output. Simplex catalogues it as the service part shared by the System Power Supply (SPS), Expansion Power Supply (XPS), Remote Power Supply (RPS), TrueAlert Power Supply (TPS) and the 100 watt amplifier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e220 VAC primary; mains transformer, not an audio transformer\u003c\/li\u003e\n\u003cli\u003eServes the SPS, XPS, RPS and TPS power supply modules\u003c\/li\u003e\n\u003cli\u003eAlso used with the 100 watt amplifier\u003c\/li\u003e\n\u003cli\u003eListed in the 4100U and 4100ES service parts lists\u003c\/li\u003e\n\u003cli\u003eCounterpart of the 120 VAC transformer 478-352\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe part most easily mistaken for it is 478-352, the same transformer wound for 120 VAC. Distinct again are the amplifier audio output transformers beside it: 478-369 is the 25 V unit for the 100 watt amplifier and 478-370 the 70 V one, replacing 478-363.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":44955387724000,"sku":"478-353","price":128.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/simplex-fire-alarms-default-title-simplex-478-353-transformer-220-vac-37588454801632.webp?v=1763284857"},{"product_id":"simplex-4081-9308","title":"Simplex 4081-9308 Battery Cabinet with Charger, 220\/230\/240 VAC Multi-Tapped Input","description":"\u003cp\u003e\u003cstrong\u003eSimplex 4081-9308\u003c\/strong\u003e — external battery cabinet with charger, 220\/230\/240 VAC multi-tapped input.\u003c\/p\u003e\u003cp\u003eWhen a 4100ES, 4100U or 4010ES needs more standby capacity than fits inside the panel enclosure, this surface-mounted red cabinet mounts and charges sealed lead-acid batteries up to 110 Ah. It close-nipples to the panel cabinet within 20 ft (6 m) in conduit, and battery voltage, charger voltage and current, and charger status are all communicated to the panel for display. Multi-tapped refers to the separate AC input taps for 220, 230 and 240 VAC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInput 187 to 264 VAC, 50\/60 Hz, 2 A maximum, separate 220\/230\/240 VAC taps\u003c\/li\u003e\n\u003cli\u003eCharger dual rate, temperature compensated, for batteries 55 Ah to 110 Ah\u003c\/li\u003e\n\u003cli\u003eBattery output 24 VDC nominal; 80 A fast acting fuse, reverse polarity protected\u003c\/li\u003e\n\u003cli\u003eCabinet 27-7\/8\" × 13-1\/2\" × 14-5\/8\" deep (708 × 343 × 371 mm)\u003c\/li\u003e\n\u003cli\u003e32°F to 122°F (0°C to 50°C); UL 864 and ULC S527 listed\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBatteries are ordered separately. For a 120 VAC supply order the 4081-9306 instead.\u003c\/p\u003e","brand":"Simplex","offers":[{"title":"Default Title","offer_id":46826808508640,"sku":"4081-9308","price":2904.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/simplex-fire-alarms-default-title-simplex-4081-9308-36033487208672.webp?v=1763285875"},{"product_id":"silent-knight-115061","title":"Silent Knight 115061 Transformer, Power, 12036VAC, 85VA, 6LEAD","description":"\u003cp\u003eXFMR,PWR,12036VAC,85VA,6LEAD\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":48177656791264,"sku":"115061","price":48.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/silent-knight-fire-alarms-default-title-silent-knight-115061-40062241702112.webp?v=1764161619"},{"product_id":"resideo-hz432k-u","title":"Honeywell Home HZ432K\/U TrueZONE HZ432 Panel Kit","description":"\u003ch2\u003eHoneywell Home HZ432K\/U TrueZONE HZ432 Panel Kit includes HZ432 Zone Panel, Discharge Air Temperature Sensor and Transformer\u003c\/h2\u003e\n\u003cp\u003eReady for easy professional installation in four steps, the TrueZONE® HZ432 Panel can be used with conventional, heat pump or dual fuel applications up to 4 zones. Get confirmation that the panel is operating properly before you ever leave the job site.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":48451949625568,"sku":"HZ432K\/U","price":508.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/171018406_9af7e231-3b7e-4de0-a466-c3d1bd3489a7.jpg?v=1785764634"},{"product_id":"rath-communications-rp7300144-24-5va","title":"Rath Communications RP7300144-24\/5VA Transformer 24VAC 5VA","description":"\u003cp\u003eTRANSFORMER 24VAC 5VA\u003c\/p\u003e","brand":"Rath Communications","offers":[{"title":"Default Title","offer_id":53064084685024,"sku":"RP7300144-24\/5VA","price":40.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/vesda-fire-alarms-default-title-vesda-vsp-1004-40062244094176_8038c825-6054-4089-9a09-a1d26d293998.webp?v=1781177732"},{"product_id":"sti-sti-6580","title":"STI STI-6580 Heater Kit for 12-Volt (Transformer Included)","description":"\u003cp\u003eHeater Kit for 12-Volt (Transformer Included)\u003c\/p\u003e","brand":"STI","offers":[{"title":"Default Title","offer_id":53064130101472,"sku":"STI-6580","price":73.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/823af2621e323d49d97023a424b034d349e439e5-600x600.png?v=1790115954"},{"product_id":"mircom-ps-24p","title":"Mircom PS-24P 24V AC Transformer - 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Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e Description: Foot mounted 120\/208\/240 Vac Transformer with 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Primary: 120 Vac, 208 Vac, 240 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Secondary: 27 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No\u003c\/li\u003e\n\u003cli\u003e Electrical Connections (Primary)(in.): 9\" Lead Wires\u003c\/li\u003e\n\u003cli\u003e Electrical Connections (Secondary)(in.): (2) Screw Terminals\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 24 Vac at 20 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 2-7\/8 in. high x 1-7\/8 in. wide x 2-15\/16 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777467736288,"sku":"AT120A1004\/U","price":31.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/220012686.jpg?v=1785764555"},{"product_id":"resideo-at120b1028-u-foot-mounted-120-vac-transformer-with-9-in-lead-wires-and-end-bells-at120b1028","title":"Resideo AT120B1028 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires and End Bells, AT120B1028","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\r\n\u003cbr\u003e\u003cbr\u003e\r\n\r\n\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e Rated at 20 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\r\n\r\n\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eElectrical Ratings-Primary: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Secondary: 27 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot mounted \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No\u003c\/li\u003e\n\u003cli\u003e Electrical Connections (Primary)(in.): 9\" Lead Wires\u003c\/li\u003e\n\u003cli\u003e Electrical Connections (Secondary)(in.): 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 24 Vac at 20 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 1-11\/16 in. high x 3-3\/16 in. wide x 1-3\/4 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777467834592,"sku":"AT120B1028\/U","price":21.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/305532930.jpg?v=1785764554"},{"product_id":"resideo-at140a1000-u-foot-mounted-plate-mounted-clamp-mounted-or-panel-mounted-120-vac-transformer-40va-at140a1000","title":"Resideo AT140A1000 Foot Mounted, Plate Mounted, Clamp Mounted or Panel Mounted 120 Vac Transformer (40VA), AT140A1000","description":"Foot mounted, plate mounted, clamp mounted or panel mounted 120 Vac Transformer with Metal end bells. Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings. \u003cbr\u003e\u003cbr\u003e\r\n\u003cb\u003eSpecifications:\u003c\/b\u003e \u003cul\u003e\r\n\u003cli\u003eFoot mounted, plate mounted, clamp mounted or panel mounted 120 Vac Transformer with Metal end bells\r\n \u003c\/li\u003e\n\u003cli\u003eFoot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted \r\n\u003c\/li\u003e\n\u003cli\u003e9 in. leadwires \r\n\u003c\/li\u003e\n\u003cli\u003e229 mm leadwires \r\n\u003c\/li\u003e\n\u003cli\u003eTwo Screw Terminals \r\n\u003c\/li\u003e\n\u003cli\u003eDimensions (in.): 3-3\/16 in. high x 2-3\/8 in. wide x 3-1\/8 in. deep\r\n\u003c\/li\u003e\n\u003cli\u003eDimensions (mm): 81 mm high x 60 mm wide x 79 mm deep\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, Underwriters Laboratories Inc - UL Listed: A,C,F models. File # E14881 \r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, Canadian Standards Association - CSA Certified: A \u0026amp; B models. \r\n\u003c\/li\u003e\n\u003cli\u003eIncludes Metal end bells \u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\r\n\u003cb\u003eFeatures:\u003c\/b\u003e \u003cbr\u003e\u003cul\u003e \u003cli\u003eRated at 40 VA.\u003c\/li\u003e \u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard.\u003c\/li\u003e \u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e \u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777467867360,"sku":"AT140A1000\/U","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/223231280.jpg?v=1785764554"},{"product_id":"resideo-at140a1018-u-foot-mounted-120-208-240-vac-transformer-w-9-in-lead-wires-40va-at140a1018","title":"Resideo AT140A1018 Foot Mounted 120\/208\/240 Vac Transformer w\/ 9 in. Lead Wires (40VA), AT140A1018","description":"Metal end bells included\u003cbr\u003e\u003cbr\u003e\r\n\r\nProvide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\u003cbr\u003e\u003cbr\u003e\r\n\r\nFeatures \u003cul\u003e\n\u003cli\u003eRated at 40 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e \r\n\r\nSpecifications\u003cul\u003e \u003cli\u003eDescription: Foot mounted 120\/208\/240 Vac Transformer with 9 in. lead wires and metal end bells \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Primary Voltage: 120 Vac, 208 Vac, 240 Vac \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27 V.O.C. \u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz \u003c\/li\u003e\n\u003cli\u003eMounting: Foot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in.): 9 in. leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(mm): 229 mm leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): (2) screw terminals \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(mm): (2) screw terminals \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA \u003c\/li\u003e\n\u003cli\u003eDimensions (in.): 3 3\/16 in. high x 2 3\/8 in. wide x 3 1\/8 in. deep \u003c\/li\u003e\n\u003cli\u003eDimensions (mm): 81 mm high x 60 mm wide x 79 mm deep \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings (F): -20 F to +105 F \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings (C): -29 C to +41 C \u003c\/li\u003e\n\u003cli\u003eApprovals, Underwriters Laboratories Inc UL Listed: A,C,F models. File # E14881 \u003c\/li\u003e\n\u003cli\u003eApprovals, Canadian Standards Association CSA Certified: A \u0026amp; B models.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777467900128,"sku":"AT140A1018\/U","price":28.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259274256_21cd392d-f5bc-4852-9498-6d9987639373.jpg?v=1785764553"},{"product_id":"resideo-at140b1016-u-foot-mounted-40-vac-transformer-with-1-4-male-quick-connects-at140b1016","title":"Resideo AT140B1016 Foot Mounted 40 Vac Transformer with 1\/4\" Male Quick Connects, AT140B1016","description":"Honeywell AT140B1016 Foot Mounted Transformer. Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\r\n\r\n\u003cul\u003e\n\u003cli\u003eColor-coded lead wires for primary connections and screw terminals for secondary connections, fixed 1\/4\" (6 mm) male quick-connects or color-coded lead wires for both primary and secondary, are standard. \r\n\u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \r\n\u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777468031200,"sku":"AT140B1016\/U","price":18.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/220012682.jpg?v=1785764552"},{"product_id":"resideo-at140b1206-u-foot-mounted-120-vac-transformer-with-9-in-lead-wires-and-plastic-end-caps-at140b1206","title":"Resideo AT140B1206 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires and Plastic End Caps, AT140B1206","description":"\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003eRated at 40 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\r\n\r\n\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Foot mounted 120 Vac Transformer with 9 in. leadwires and plastic end caps\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot-mounted\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in.): 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 1-11\/16 in. high x 3-1\/2 in. wide x 1-3\/4 in. deep \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003e Includes: Plastic end caps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777468915936,"sku":"AT140B1206\/U","price":22.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/282524738.jpg?v=1785764551"},{"product_id":"resideo-at140b1214-u-foot-mounted-120-208-240-vac-transformer-with-9-in-lead-wires-and-plastic-end-caps-at140b1214","title":"Resideo AT140B1214 Foot Mounted 120\/208\/240 Vac Transformer with 9 in. Lead Wires and Plastic End Caps, AT140B1214","description":"\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003eRated at 40 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Foot mounted 120\/208\/240 Vac Transformer with 9 in. lead wires and plastic end caps\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac, 208 Vac, 240 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot-mounted\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in.): 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 1-11\/16 in. high x 3-1\/2 in. wide x 1-3\/4 in. deep \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003e Includes: Plastic end caps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777468981472,"sku":"AT140B1214\/U","price":20.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/312628158.jpg?v=1785764551"},{"product_id":"resideo-at150a1007-u-foot-mounted-plate-mounted-clamp-mounted-or-panel-mounted-120-208-240-vac-transformer-w-9-in-lead-wires-50va-at150a1007","title":"Resideo AT150A1007 Foot Mounted, Plate Mounted, Clamp mounted or Panel Mounted 120\/208\/240 Vac Transformer w\/ 9 in. Lead Wires (50VA), AT150A1007","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\u003cbr\u003e\u003cbr\u003e\r\n\r\nIncludes: Metal end bells\u003cbr\u003e\u003cbr\u003e\r\n\r\nFeatures \u003cul\u003e\n\u003cli\u003eRated at 50 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e Product Specifications\u003cul\u003e \u003cli\u003eDescription: Foot mounted, plate mounted, clamp mounted or panel mounted 120\/208\/240 Vac Transformer with 9 in. leadwires and metal end bells \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Primary Voltage: 120 Vac, 208 Vac, 240 Vac \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C. \u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz \u003c\/li\u003e\n\u003cli\u003eMounting: Foot mounted, plate mounted on 2x4 in. or 4x4 in. outlet box, clamp mounted using outlet box knockout, or panel mounted \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in.) 9 in. leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(mm): 229 mm leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): (2) screw terminals \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(mm): (2) screw terminals \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 50 VA \u003c\/li\u003e\n\u003cli\u003eDimensions (in.): 1 11\/16 in. high x 3 3\/16 in. wide x 1 3\/4 in. deep \u003c\/li\u003e\n\u003cli\u003eDimensions (mm): 43 mm high x 81 mm wide x 75 mm deep \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings (F): -20 F to +105 F \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings (C): -29 C to +41 C \u003c\/li\u003e\n\u003cli\u003eApprovals, Underwriters Laboratories Inc UL \u003c\/li\u003e\n\u003cli\u003eListed: A,C,F models. File # E14881 \u003c\/li\u003e\n\u003cli\u003eApprovals, Canadian Standards Association CSA Certified: A \u0026amp; B models.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777469735136,"sku":"AT150A1007\/U","price":33.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259274069.jpg?v=1785764550"},{"product_id":"resideo-at150b1237-u-foot-mounted-120-208-240-vac-transformer-w-9-in-lead-wires-w-plastic-end-caps-at150b1237","title":"Resideo AT150B1237 Foot Mounted 120\/208\/240 Vac Transformer w\/ 9 in. Lead Wires w\/ Plastic End Caps, AT150B1237","description":"\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\r\n\r\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \r\n\u003c\/li\u003e\u003cli\u003eMeet NEC Class 2 requirements. \r\n\u003c\/li\u003e\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\r\n\u003c\/li\u003e\u003cli\u003eElectrical Ratings -Primary Voltage: 120 Vac, 208 Vac, 240 Vac\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eFrequency: 60 Hz\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eMounting: Foot-mounted\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eElectrical Connections (Primary)(in.): 9 in. leadwires with 1\/4 in. male quick-connects\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. leadwires with 1\/4 in. male quick-connects with plastic (2) end covers\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eElectrical Ratings -Output 24 Vac at 50 VA\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eDimensions (in.): 1 11\/16 in. high x 3 1\/2 in. wide x 1 3\/4 in. deep\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eTemperature Ratings (F): -20 F to +105 F\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eApprovals, Underwriters Laboratories Inc: UL Component Recognized: B, D, E models. File# E14881\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eApprovals, Canadian Standards Association: CSA Certified: A \u0026amp; B models\u003cbr\u003e\r\n\u003c\/li\u003e\u003cli\u003eIncludes : Plastic end caps\u003c\/li\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777469800672,"sku":"AT150B1237\/U","price":39.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/181678335.webp?v=1785764549"},{"product_id":"resideo-at150b1252-u-foot-mounted-277-vac-transformer-with-9-in-lead-wires-and-plastic-end-caps-at150b1252","title":"Resideo AT150B1252 Foot Mounted 277 Vac Transformer with 9 in. Lead Wires and Plastic End Caps, AT150B1252","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003eRated at 50 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Foot mounted 277 Vac Transformer with 9 in. leadwires and plastic end caps\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 277 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot-mounted\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: No\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires with 1\/4 in. male quick-connects\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. leadwires with 1\/4 in. male quick-connects\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 50 VA\u003c\/li\u003e\n\u003cli\u003eDimensions 1-11\/16 in. high x 3-1\/2 in. wide x 1-3\/4 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003e Includes: Plastic end caps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777469833440,"sku":"AT150B1252\/U","price":46.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/180086279_2fe8cf65-4868-43ce-8a45-8f88a78219ef.webp?v=1785764549"},{"product_id":"resideo-at150f1022-u-plate-or-panel-mounted-120-208-240-vac-transformer-w-9-lead-wires-metal-end-bells-at150f1022","title":"Resideo AT150F1022 Plate or Panel Mounted 120\/208\/240 Vac Transformer w\/ 9\" Lead Wires \u0026 Metal End Bells, AT150F1022","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Plate or panel mounted 120\/208\/240 Vac Transformer with 9 in. lead wires and metal end bells\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac, 208 Vac, 240 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Includes 1\/2 14 NPSM conduit connector and lock nut for mounting on plate or panel (not included) with 7\/8 in. knockout, and feet for surface mount.\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 50 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-3\/16 in. high x 2-3\/16 in. wide x 3-5\/8 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003e Includes: Button for manually resetting the circuit breaker and metal end bells.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\r\n\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003eRated at 50 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777469866208,"sku":"AT150F1022\/U","price":56.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259272258_a606c8c9-49f9-479a-a007-9eca7cea0a7c.jpg?v=1785764548"},{"product_id":"resideo-at150f1030-u-208-277-480-vac-transformer-w-button-for-manually-resetting-circuit-breaker-at150f1030","title":"Resideo AT150F1030 208\/277\/480 Vac Transformer w\/ Button for Manually Resetting Circuit Breaker, AT150F1030","description":"\u003cp\u003ePlate or panel mounted 208\/277\/480 Vac Transformer with 9 in. lead wires, button for manually resetting the circuit breaker and metal end bells.\u003c\/p\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777469898976,"sku":"AT150F1030\/U","price":58.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259272358_e7f1732d-b3dc-4ac6-bda7-acfe08c6d221.jpg?v=1785764547"},{"product_id":"resideo-at175a1008-u-foot-mounted-120-208-240-vac-transformer-w-9-in-lead-wires-75va-at175a1008","title":"Resideo AT175A1008 Foot mounted 120\/208\/240 Vac Transformer w\/ 9 in. Lead Wires (75VA), AT175A1008","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\u003cbr\u003e\u003cbr\u003e\r\n\r\n\u003cb\u003eFeatures\u003c\/b\u003e \u003cul\u003e\n\u003cli\u003eRated at 75 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4\" (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003cli\u003eIncludes: Metal end bells\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777469964512,"sku":"AT175A1008\/U","price":72.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259274014.jpg?v=1785764547"},{"product_id":"resideo-at175f1023-u-plate-or-panel-mounted-120-208-240-vac-transformer-with-9-in-lead-wires-and-metal-end-bells-at175f1023","title":"Resideo AT175F1023 Plate or Panel Mounted 120\/208\/240 Vac Transformer with 9 in. Lead Wires and Metal End Bells, AT175F1023","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\r\n\u003cbr\u003e\u003cbr\u003e\r\n\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Plate or planel mounted 120\/208\/240 Vac Transformer with 9 in. lead wires and metal end bells\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac, 208 Vac, 240 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Includes 1\/2 14 NPSM conduit connector and lock nut for mounting on plate or panel (not included) with 7\/8 in. knockout, and feet for surface mount.\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 50 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-3\/16 in. high x 2-3\/16 in. wide x 3-5\/8 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003e Includes: Button for manually resetting the circuit breaker and metal end bells.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\r\n\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e  Rated at 75 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003e Meet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470030048,"sku":"AT175F1023\/U","price":90.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/223231285.jpg?v=1785764547"},{"product_id":"resideo-at175f1031-u-plate-panel-mounted-208-277-480-vac-transformer-w-9-lead-wires-button-for-manually-resetting-circuit-breaker-at175f1031","title":"Resideo AT175F1031 Plate\/Panel Mounted 208\/277\/480 Vac Transformer w\/ 9\" Lead Wires \u0026 Button for Manually Resetting Circuit Breaker, AT175F1031","description":"Provide power to 24 Vac circuits in heating\/cooling control systems. Intended for use in systems with predictable, uniform loads. Can be used in any application that does not exceed the listed ratings.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e  Rated at 75 VA. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections and screw terminals for secondary connections, fixed 1\/4 inch (6 mm) male quick-connects or color-coded leadwires for both primary and secondary, are standard. \u003c\/li\u003e\n\u003cli\u003e Meet NEC Class 2 requirements. \u003c\/li\u003e\n\u003cli\u003eMeet Underwriters Laboratories Inc. Standard UL 1585 and are identified. Class 2 not wet, Class 3 wet.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Plate or panel mounted 208\/277\/480 Vac Transformer with 9 in. lead wires and button for manually resetting the circuit breaker and metal end bells.\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 208 Vac, 277 Vac, 480 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Includes 1\/2 14 NPSM conduit connector and lock nut for mounting on plate or panel (not included) with 7\/8 in. knockout, and feet for surface mount.\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 50 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-3\/16 in. high x 2-3\/16 in. wide x 3-5\/8 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003e Includes: Button for manually resetting the circuit breaker and metal end bells.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470062816,"sku":"AT175F1031\/U","price":91.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/00010768.jpg?v=1785764546"},{"product_id":"resideo-at20a1123-u-foot-mounted-120-vac-transformer-with-9-in-lead-wires-at20a1123","title":"Resideo AT20A1123 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires, AT20A1123","description":"Power a 24V control system; for direct mounting, or horizontal or vertical foot-mounting.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli channel frame mounting feet and slots allow for the three positions.\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eOverload protection provided. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meet NEMA DC20-1992 Standard. Marked NEMA Type B. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Foot mounted 120 Vac Transformer with 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Channel Frame Mounting allows for Direct, Horizontal, or Vertical Foot mounting. \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type B \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. color coded primary and secondary leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 229 mm color coded primary and secondary leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 19 VA \u003c\/li\u003e\n\u003cli\u003eDimensions: 2 in. high x 2-1\/4 in. wide x 1-7\/8 in. deep \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470161120,"sku":"AT20A1123\/U","price":45.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/181679037.jpg?v=1785764545"},{"product_id":"resideo-at20b1056-u-conduit-clamp-mounted-transformer-w-9-lead-wires-120-vac-at20b1056","title":"Resideo AT20B1056 Conduit Clamp Mounted Transformer w\/ 9\" Lead Wires, 120 VAC, AT20B1056","description":"\u003cbr\u003e\u003cbr\u003e\r\n\u003cb\u003eProduct Features\u003c\/b\u003e\r\n\u003cul\u003e \r\n\u003cli channel frame mounting feet and slots allow for the three positions.\u003eColor-coded leadwires for primary connections. \r\n\u003c\/li\u003e\n\u003cli\u003eOverload protection provided. \r\n\u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meet NEMA DC20-1992 Standard. Marked NEMA Type B. \r\n\u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \r\n\u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\r\n\u003cb\u003eProduct Specifications \u003c\/b\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eDescription: Conduit clamp mounted 120 Vac Transformer with 9 in. lead wires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type B \r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. color coded primary and secondary leadwires \r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 229 mm color coded primary and secondary leadwires \r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 19 VA \r\n\u003c\/li\u003e\n\u003cli\u003eDimensions: 2 in. high x 2-1\/4 in. wide x 1-7\/8 in. deep \r\n\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470226656,"sku":"AT20B1056\/U","price":36.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/220925335.jpg?v=1785764545"},{"product_id":"resideo-at40a1121-u-foot-mounted-120-vac-transformer-with-9-in-lead-wires-nema-d-rating-at40a1121","title":"Resideo AT40A1121 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires (NEMA D Rating), AT40A1121","description":"Power a 24V control system; for direct mounting, or horizontal or vertical foot-mounting.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli channel frame mounting feet and slots allow for the three positions.\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eOverload protection provided. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meet NEMA DC20-1992 Standard. Marked NEMA Type D. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Foot mounted 120 Vac Transformer with 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Channel Frame Mounting allows for Direct, Horizontal, or Vertical Foot mounting. \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type B \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. color coded primary and secondary leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 229 mm color coded primary and secondary leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 19 VA \u003c\/li\u003e\n\u003cli\u003eDimensions: 2 in. high x 2-1\/4 in. wide x 1-7\/8 in. deep \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470259424,"sku":"AT40A1121\/U","price":47.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259273729_d69b15fa-a217-4f76-ad92-bd9ef6c9c8c5.jpg?v=1785764544"},{"product_id":"resideo-at40a1139-u-channel-frame-or-foot-mounted-240-vac-transformer-with-9-in-lead-wires-at40a1139","title":"Resideo AT40A1139 Channel Frame or Foot Mounted 240 Vac Transformer with 9 in. Lead Wires, AT40A1139","description":"Power a 24V control system; for direct mounting, or horizontal or vertical foot-mounting.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli channel frame mounting feet and slots allow for the three positions.\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eOverload protection provided. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meet NEMA DC20-1992 Standard. Marked NEMA Type B. \u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Channel frame or foot mounted 240 Vac Transformer with 9 in. lead wires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 240 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 27.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Channel Frame Mounting allows for Direct, Horizontal, or Vertical Foot mounting. \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. color coded primary and secondary leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 229 mm color coded primary and secondary leadwires \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA \u003c\/li\u003e\n\u003cli\u003eDimensions: 2-3\/32 in. high x 2-5\/8 in. wide x 2-3\/16 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470324960,"sku":"AT40A1139\/U","price":54.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/220012690.jpg?v=1785764543"},{"product_id":"resideo-at40a1162-u-foot-mounted-120-vac-transformer-w-9-lead-wires-40va-at40a1162","title":"Resideo AT40A1162 Foot Mounted 120 Vac Transformer w\/ 9\" Lead Wires (40VA), AT40A1162","description":"\u003cb\u003eOverview\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\r\nHoneywell 40 VA transformers power 24V systems including thermostats, gas valves and relays.\u003cbr\u003e\u003cbr\u003e\r\n\r\n\u003cb\u003eFeatures\u003c\/b\u003e\r\n\u003cul\u003e\n\u003cli\u003eChannel frame mounting feet and slots allow for three mounting positions\r\n\u003c\/li\u003e\n\u003cli\u003eFeatures color-coded leadwires for primary connections\r\n\u003c\/li\u003e\n\u003cli\u003eOverload protection provided\r\n\u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meet NEMA DC20-1992 Standard\r\n\u003c\/li\u003e\n\u003cli\u003eMeet NEC Class 2 not wet, Class 3 wet and UL 1585 requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\r\n\r\n\u003cb\u003eProduct Specifications\u003c\/b\u003e\u003cul\u003e\r\n\u003cli\u003eDimensions (in.): 2 3\/32 in. high x 2 5\/8 in. wide x 2 3\/16 in. deep\r\n\u003c\/li\u003e\n\u003cli\u003eDimensions (mm): 53 mm high x 67 mm wide x 56 mm deep\r\n\u003c\/li\u003e\n\u003cli\u003eTemperature Range (F): -20 F to +105 F\r\n\u003c\/li\u003e\n\u003cli\u003eTemperature Range (C): -29 C to +41 C\r\n\u003c\/li\u003e\n\u003cli\u003eItem Type: Product\r\n\u003c\/li\u003e\n\u003cli\u003eMounting: Channel Frame Mounting allows for Direct, Horizontal, or Vertical Foot mounting.\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: Primary voltage--120 Vac\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz; 60 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, Underwriters Laboratories Inc.: UL Component Recognized.\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, CSA: CSA Certified: \r\n\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, N.E.C.: NEC Class 2\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in.): 9 in. leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(mm): 229 mm leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 9 in. color coded primary and secondary leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(mm): 229 mm color coded primary and secondary leadwires.\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings, Output: 24 Vac at 40 VA\r\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470423264,"sku":"AT40A1162\/U","price":68.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/220012675.jpg?v=1785764543"},{"product_id":"resideo-at72d1006-u-plate-mounted-120-vac-transformer-with-9-in-lead-wires-at72d1006","title":"Resideo AT72D1006 Plate Mounted 120 Vac Transformer with 9 in. Lead Wires, AT72D1006","description":"24V control circuit step-down transformer designed to power any 24V control system, including thermostats, gas valves and relays.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e Override protection provided. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meets NEMA Standard DC20-1992. \u003c\/li\u003e\n\u003cli\u003eTransformer is marked NEMA Type D. \u003c\/li\u003e\n\u003cli\u003eMeets NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Plate mounted 120 Vac Transformer with 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 26.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: 4 x 4 in. plate-mounted, protruding into junction box \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 2 (2) screw terminals \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-7\/32 in. high x 2-7\/32 in. wide x (1-1\/16 into plate x 2 in. above plate) deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470456032,"sku":"AT72D1006\/U","price":49.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/180083381_ed4d4b7a-bf4e-4f10-914e-ab58c8ce5420.webp?v=1785764542"},{"product_id":"resideo-at72d1048-u-plate-mounted-120-vac-transformer-w-9-in-lead-wires-w-1-2-female-conduit-spud-w-32-lead-wires-at72d1048","title":"Resideo AT72D1048 Plate Mounted 120 Vac Transformer w\/ 9 in. Lead Wires w\/ 1\/2\" Female Conduit Spud w\/ 32\" Lead Wires, AT72D1048","description":"24V control circuit step-down transformer designed to power any 24V control system, including thermostats, gas valves and relays.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e Override protection provided. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meets NEMA Standard DC20-1992. \u003c\/li\u003e\n\u003cli\u003eTransformer is marked NEMA Type D. \u003c\/li\u003e\n\u003cli\u003eMeets NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Plate mounted 120 Vac Transformer with 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 26.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: 4 x 4 in. plate-mounted, protruding into junction box \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 1\/2 in female conduit spud w\/32 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): 2 (2) screw terminals \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-7\/32 in. high x 2-7\/32 in. wide x (1-1\/16 into plate x 2 in. above plate) deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470488800,"sku":"AT72D1048\/U","price":59.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/AT72D-c8-6_6bb906f8-ad31-4675-bfeb-b0202ffb89e2.jpg?v=1786676241"},{"product_id":"resideo-at72d1089-u-foot-mounted-120-vac-transformer-with-9-in-lead-wires-at72d1089","title":"Resideo AT72D1089 Foot Mounted 120 Vac Transformer with 9 in. Lead Wires, AT72D1089","description":"24V control circuit step-down transformer designed to power any 24V control system, including thermostats, gas valves and relays.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e Override protection provided. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meets NEMA Standard DC20-1992. \u003c\/li\u003e\n\u003cli\u003eTransformer is marked NEMA Type D. \u003c\/li\u003e\n\u003cli\u003eMeets NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Foot mounted 120 Vac Transformer with 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 26.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot-mounted\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 1\/2 in. male conduit spud with 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): (2) screw terminals\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-7\/32 in. high x 2-7\/32 in. wide x 3-1\/16 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470521568,"sku":"AT72D1089\/U","price":52.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/259271829_982d3640-116c-463a-bfbb-a8ce68066854.jpg?v=1785764541"},{"product_id":"resideo-at72d1188-u-plate-mounted-120-vac-transformer-w-9-lead-wires-at72d1188","title":"Resideo AT72D1188 Plate Mounted 120 Vac Transformer w\/ 9\" Lead Wires, AT72D1188","description":"24V control circuit step-down transformer designed to power any 24V control system, including thermostats, gas valves and relays. \u003cbr\u003e\u003cbr\u003e\r\n\r\n\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e\r\n\u003cul\u003e\n\u003cli\u003eDescription: Plate mounted 120 Vac Transformer with 9 in. leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 26.5 V.O.C.\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eMounting: 4 x 4 in. plate mounted without protruding into junction box.\r\n\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): (2) screw terminals\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\r\n\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-7\/32 in. high x 2-7\/32 in. wide x 3-1\/16 in. deep\r\n\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\r\n\r\n\u003cb\u003eFeatures:\u003c\/b\u003e\r\n\u003cul\u003e\n\u003cli\u003eOverride protection provided.\r\n\u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections.\r\n\u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meets NEMA Standard DC20-1992.\r\n\u003c\/li\u003e\n\u003cli\u003eTransformer is marked NEMA Type D.\r\n\u003c\/li\u003e\n\u003cli\u003eMeets NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements.\r\n\u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470554336,"sku":"AT72D1188\/U","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/181679052.jpg?v=1785764541"},{"product_id":"resideo-at72d1683-u-foot-mounted-plate-mounted-or-clamp-mounted-120-vac-transformer-w-9-in-lead-wires-40va-at72d1683","title":"Resideo AT72D1683 Foot Mounted, Plate Mounted, or Clamp Mounted 120 Vac Transformer w\/ 9 in. Lead Wires (40VA), AT72D1683","description":"\u003cb\u003eFeatures:\u003c\/b\u003e\r\n\u003cul\u003e\n\u003cli\u003eOverride protection provided.\r\n\u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections.\r\n\u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meets NEMA Standard DC20-1992.\r\n\u003c\/li\u003e\n\u003cli\u003eTransformer is marked NEMA Type D.\r\n\u003c\/li\u003e\n\u003cli\u003eMeets NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements.\r\n\u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\r\n\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\r\n\u003cb\u003eSpecifications:\u003c\/b\u003e\r\n\r\n\u003cul\u003e\n\u003cli\u003eElectrical Ratings-Primary Voltage: 120 Vac\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Secondary Voltage: 26.5 V.O.C.\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\r\n\u003c\/li\u003e\n\u003cli\u003eMounting: Can be foot mounted, plate mounted on 4\" x 4\", 4\" octagon, or 2\" x 4\" electrical boxes (transformer all above plate or 3\/4 above plate); or clamp mounted via a junction box knockout.\r\n\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in.): 9\" leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(mm): 229 mm leadwires\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): (2) screw terminals\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(mm): (2) screw terminals\r\n\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\r\n\u003c\/li\u003e\n\u003cli\u003eDimensions (in.): 3-7\/32\" high x 2-7\/32 in. wide x 3-1\/16\" deep\r\n\u003c\/li\u003e\n\u003cli\u003eDimensions (mm): 81.8 mm high x 56.4 mm wide x 77.8 mm deep\r\n\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings (F): -20 F to +105 F\r\n\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings (C): -29 C to +41 C\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, Underwriters Laboratories Inc: UL Component Recognized.\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, Canadian Standards Association: Certified\r\n\u003c\/li\u003e\n\u003cli\u003eApprovals, N.E.C.: NEC Approved.\r\n\u003c\/li\u003e\n\u003cli\u003eTradeline Value: Super Tradeline\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470587104,"sku":"AT72D1683\/U","price":47.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/312643217.webp?v=1785764540"},{"product_id":"resideo-at72d1691-u-plate-mounted-208-240-vac-transformer-with-9-lead-wires-at72d1691","title":"Resideo AT72D1691 Plate Mounted 208\/240 Vac Transformer with 9\" Lead Wires, AT72D1691","description":"24V control circuit step-down transformer designed to power any 24V control system, including thermostats, gas valves and relays.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e \u003cli\u003e Override protection provided. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections. \u003c\/li\u003e\n\u003cli\u003eEnergy limiting, meets NEMA Standard DC20-1992. \u003c\/li\u003e\n\u003cli\u003eTransformer is marked NEMA Type D. \u003c\/li\u003e\n\u003cli\u003eMeets NEC Class 2 not wet, Class 3 wet and U.L. 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMount within proper enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eDescription: Plate mounted 120 Vac Transformer with 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Secondary Voltage: 26.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: 4 x 4 in. plate mounted without protruding into junction box.\u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA type D\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Primary)(in): 9 in. leadwires\u003c\/li\u003e\n\u003cli\u003eElectrical Connections (Secondary)(in.): (2) screw terminals\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings -Output: 24 Vac at 40 VA\u003c\/li\u003e\n\u003cli\u003eDimensions: 3-7\/32 in. high x 2-7\/32 in. wide x 3-1\/16 in. deep\u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470947552,"sku":"AT72D1691\/U","price":55.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/191667014.jpg?v=1785764540"},{"product_id":"resideo-at87a1049-u-foot-mounted-120-vac-transformer-w-12-leadwires-energy-limiting-overload-protection-at87a1049","title":"Resideo AT87A1049 Foot Mounted 120 Vac Transformer w\/ 12\" Leadwires \u0026 Energy Limiting Overload Protection, AT87A1049","description":"Used primarily for powering 24V air conditioning circuits. Can also be used in other applications that do not exceed the listed ratings.\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Features \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements. \u003c\/li\u003e\n\u003cli\u003eMeets NEMA Standard DC20-1992. \u003c\/li\u003e\n\u003cli\u003eTransformer marked NEMA Type E. \u003c\/li\u003e\n\u003cli\u003eOverload protection provided. \u003c\/li\u003e\n\u003cli\u003eColor-coded leadwires for primary connections.\u003c\/li\u003e\n\u003c\/ul\u003e\r\n\u003cbr\u003e\u003cbr\u003e\u003cb\u003e Specifications \u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e Description: Foot mounted 120 Vac Transformer with 12 in. leadwires and energy limiting overload protection\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Primary: 120 Vac\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Secondary: 26.5 V.O.C.\u003c\/li\u003e\n\u003cli\u003eFrequency: 60 Hz\u003c\/li\u003e\n\u003cli\u003eFrequency: 50 Hz\u003c\/li\u003e\n\u003cli\u003eMounting: Foot mounted \u003c\/li\u003e\n\u003cli\u003eNEMA Rating: NEMA TYPE E\u003c\/li\u003e\n\u003cli\u003e Electrical Connections (Primary)(in.): 12? Lead Wires\u003c\/li\u003e\n\u003cli\u003e Electrical Connections (Secondary)(in.): 12? Lead Wires \u003c\/li\u003e\n\u003cli\u003eElectrical Ratings-Output: 24 Vac at 48 VA \u003c\/li\u003e\n\u003cli\u003eDimensions: 2-15\/16 in. deep x 2-7\/32 wide \u003c\/li\u003e\n\u003cli\u003eTemperature Ratings: -20 F to +105 F\u003c\/li\u003e\n\u003cli\u003eIncludes: Energy limiting overload protection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777470980320,"sku":"AT87A1049\/U","price":99.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/files\/220012654.jpg?v=1785764539"}],"url":"https:\/\/thefirealarmsupplier.com\/collections\/transformers.oembed","provider":"The Fire Alarm Supplier","version":"1.0","type":"link"}