The FRM-1 Relay Control Module is intended for use in intelligent, two-wire systems where the individual address of each module is selected using the built-in rotary switches.
The SpectrAlert Advance SPSWK is a white, outdoor speaker strobe for wall installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
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.