Smoke detector, 12/24 Volt, Photo, Relay, Heat, 4-Wire, System Sensor #4WITAR-B
Smoke Detector Head & Base. Conventional, 12/24 Volts, Photoelectric, 4-Wire W/Isolated Heat Sensor, Relay, Audible. System Sensor Model #4WITAR-B. These detectors have never been out of their boxes.
System Sensor 4WITAR-B Photoelectric i3 Smoke Detector
INSTANT INSPECTION. i3 has red and green LEDs to simplify local status indication during power-up, standby, alarm, maintenance, and freeze trouble conditions. When in alarm, i3 sounder models generate an 85 dB temporal tone.