Heat Detector Fire Detection Fire Alarm Fire Prevention Security System

Fire Detector Heat Sensor Early Fire Warning Device. WT-105 2 Wire Non-polarized conventional fire alarm system material for replacement and add-ones of business fire security project. 

Complete CE EN54 qualified conventional fire alarm system fire alarm control panel, smoke detector, heat detector, smoke and heat detector, gas sensor, manual call point and siren strobe. 

Conventional Probe Heat Detector Fire Detector Heat sensor Temperature alarm

The device is intelligent sensors that utilize a state-of the-art thermistor sensing circuit for fast response. These sensors are designed to provide open area protection with 50 foot spacing capability. The device is a rate-of-rise temperature sensor with 135°F fixed temperature alarm. The device is a rate-of-rise with fixed temperature alarm thermal detector utilizing a state-of-the-art dual thermistor sensing circuit. These detectors are designed to provide open area protection with 50-foot spacing capability, and are to be used with compatible control panels only.

Two LEDs on each detector light to provide 360°visibility of the detector indication.

Features and Benefits

Compatible with all the conventional fire alarm

control panel

Unpolarized wire input

Wide range of operating voltages

High precision electronic thermistor

Built in microprocessor intelligent software

Two LEDs blink standby, provide 360° visibility

Insect-resistant screening

Twist-on mounting base with tamper lock

Remote Indicator LED can be connected.

Download fire alarm system installation manual at heat detector

Technical Specifications

Diameter: 103mm

Height (including mounting base): 55 mm

Weight: 155 g

Operating Temperature Range: -10°C to 50°C

Operating Humidity Range: 10% to 93% Relative Humidity, Noncondensing

Latching Alarm: Reset by momentary power interruption

System Voltage (nominal): 24 VDC (9V~ 28VDC)

Standby Current: 40 μA @ 24VDC

Alarm Current: 30 mA @ 24VDC

Fixed Temperature Rating: 57°C (135°F)

Rate of Rise Detection: Responds to greater than 15°F/min