SPSCRL

The 4WTAR-B is a 4-wire, photoelectric i3 smoke detector with thermal sensor, built-in sounder, and Form C relay.

System Sensor 100 Series Plug-in Smoke Detectors offer superb performance and reliability in a profile which is just 2˝ (5.1 cm) deep.

The System Sensor BEAM1224 is transmitter / receiver unit and a reflector as fourwire conventional projected beam smoke detectors.

The 2151 low-profile photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible UL listed contro

SWIFT® red, wall mount AV Base for use with System Sensor L-Series AV devices.

L-Series, red, wall-mountable, trim ring that provides additional space in backbox (5 per box).