System Sensor 2412B Photoelectronic Smoke Detector

The 2412B is part of the 400-series of Direct-wire Photoelectronic Smoke Detectors from System Sensor. Each detector contains one set of Form A contacts for connection to the alarm-initiating circuit, and one set of Form C auxiliary contacts. Supervision of detector power is accomplished by installing a Power Supervisory End-of-Line Relay Module (A77-716 Series) at the end of the detector power loop. Includes mounting bracket kit that permits the detector to be mounted: — Directly to a 31⁄2 inch or 4 inch octagonal, 11⁄2 inch deep electrical box — To a 4 inch square electrical box by using a plaster ring with the supplied mounting bracket kit.