System Sensor 5151-CH-Heat Detector Head, Fixed/Rate of Rise, Requires Plugin Detector Base part is B401-SS. e 5151 is a rate-of-rise with fixed temperature alarm, conventional 2-wire thermal detector. This detector is designed to provide open area protection with 50-foot spacing capability as approved by UL 521, RTI rating is classified as FAST in accordance with FM 3210. Two LEDs on each detector provide local 360° visible alarm indication. They flash every five seconds indicating that power is applied and the detector is working properly. The LEDs latch on in alarm. LEDs will be off when a trouble condition exists indicating that the detector sensitivity is outside the listed limit. Remote LED annunciator capability is standard and may be implemented through an optional accessory RA100Z. The alarm can be reset only by a momentary power interruption. This detector may be tested by activating the internal reed switch with a magnet.
System Sensor-5151-CH-Heat Detector Head
5151-CH-Conventional Heat Detector Head, Fixed/Rate of Rise, Requires Plugin Detector Base part is B401-SS.CN
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