FZM-1 is a standard-sized module used to monitor and supervise compatible two-wire, 24 volt, smoke detectors on a Class A (Style D) or Class B (Style B) circuit.
The Pyrotector Model 30-3003 Explosion Proof Smoke Detector is a sensitive yet rugged protection device that is designed for use in hazardous industrial and commercial locations.
Honeywell X-DA1500-B high efficiency power amplifier provides audio signal amplification for the X-618 Digital Public Address and Voice Alarm System. Honeywell X-DA1500-B is reliable, efficient and li