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Help Center2 Wire 9-28VDC Temperature Detector Heat Sensor for Fire Alarm System
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2 wire 9-28VDC Temperature Detector Heat Sensor for fire alarm system
General Description
The device is intelligent sensors that utilize a state-ofthe-art thermistor sensing circuit for fast response.These sensors are designed to provide open area
protection with 50 foot spacing capability. The deviceis 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.
Technical Specifications
Diameter: 99mm
Height (including mounting base): 48 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
Electrical Ratings
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
Installation Guidelines
All wiring must be installed in compliance with the Nationa Electrical
Code, applicable state and local codes, and any special requirements of
the local Authority Having Jurisdiction.
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