Carrier P270-3000PL 4-Wire Photo-Electric Duct Smoke Detector

The Carrier P270-3000PL is a Photo-Electric Smoke Detector with 4-wire, which increases fire safety in residential and commercial buildings. This detector is small in size and has dimensions of 4.9" in length, 2.4" in width, and 14.2" in height, and can be installed directly into ductwork, thanks to a pivoting housing that accommodates round and rectangular shapes. Unlike ionization smoke detectors. It operates on the principle of the light beam, where it detects smoke particles. When smoke interferes with the light beam, the detector sounds an alarm, informing of a probable fire. It has an operating frequency of 50/60 Hz, temperature of -4°F to 158°F, and humidity of 0% to 95% RH non-condensing.