System Sensor 4WT-B Photoelectric i3 Series Smoke Detector, 4-Wire, 135°F Fixed Thermal Sensor, White
The System Sensor 4WT-B Photoelectric i3 Series Smoke Detector is a reliable and intelligent fire detection solution designed for commercial and residential applications. Featuring advanced photoelectric sensing technology combined with a 135°F fixed temperature thermal sensor, the 4WT-B provides enhanced protection by detecting both smoke and heat conditions.
Part of the System Sensor i3 Series, the 4WT-B offers intelligent features such as drift compensation, maintenance alerts, and simplified installation, making it an ideal choice for new installations and system upgrades.
Key Features
• Photoelectric smoke detection with 135°F fixed thermal sensor
• 4-wire detector for conventional fire alarm systems
• Built-in drift compensation reduces nuisance alarms
• Maintenance signaling for simplified servicing
• Plug-in detector with included mounting base
• Wide-angle dual-color LED status indicators
• Built-in test switch for easy testing
• Stop-Drop N Lock™ installation design
• Freeze trouble detection
• Compatible with most conventional control panels
Advanced Detection Technology
The System Sensor 4WT-B combines photoelectric smoke detection with fixed temperature heat detection at 135°F (57°C). This dual sensing capability improves fire detection performance and helps reduce false alarms.
The detector also features automatic drift compensation, which adjusts sensitivity over time as dust accumulates, ensuring reliable long term operation and reduced maintenance.
Easy Installation
The i3 Series plug-in design allows installers to pre-wire the mounting base before installing the detector head. The Stop-Drop N Lock™ feature makes installation quick and secure.
Flexible mounting options include:
• Single gang back boxes
• Octagonal back boxes
• 4 square back boxes
• Direct ceiling mounting
LED Status Indicators
Wide-angle LED indicators provide instant detector status:
• Green LED indicates normal operation
• Red LED indicates alarm condition
• Additional indications for maintenance and trouble
Specifications
• Model: 4WT-B
• Type: 4-wire photoelectric smoke detector
• Heat Sensor: 135°F fixed temperature
• Color: White
• Technology: Photoelectric and thermal
• Wiring: 4-wire system
• Series: i3 Series
Applications
Ideal for:
• Commercial buildings
• Offices
• Retail stores
• Schools
• Healthcare facilities
• Residential applications
• Industrial environments
Why Choose the System Sensor 4WT-B?
The System Sensor 4WT-B offers dependable smoke and heat detection, easy installation, and reduced maintenance. With intelligent i3 Series features and dual sensing technology, it delivers reliable fire protection for a wide range of applications.
Brand: System Sensor
Model: 4WT-B
Series: i3 Series
Type: 4-Wire Photoelectric Smoke Detector with Fixed Heat Sensor
Color: White
