2D51A Photoelectric Smoke Detector

2D51A photoelectronic detectors use state-of-the-art optical sensing chambers and are designed to provide protection in duct applications when installed with InnovairFlex™ 4-wire duct smoke detector housings. They are to be used with ULC listed control panels only. Two LEDs on each detector provide local visible alarm indication. Remote LED annunciator capabilities are standard and may be implemented through a number of optional accessories.