System Sensor 5451 Plug-in Rate-of-Rise Thermal Detector with Fixed Temperature Alarm

System Sensor Model 5451 is a rate-of-rise with a 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 the 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. Remote LED annunciator capability is provided as standard, and the RA400Z remote LED annunciator is available as an optional accessory.