Interlogix ESI 541nbxt 4 Wire Photo Electric Smoke Detector

The Interlogix 541NBXT is a conventional 4 wire photoelectric smoke detector designed for reliable fire detection in residential, commercial, and security system applications. It combines photoelectric smoke sensing with fixed temperature and rate of rise heat detection using a multi-criteria sensing approach. The detector operates from 6 to 33 VDC and has a typical alarm current of 20 mA. Its CleanMe feature provides maintenance and trouble indication when the detector requires attention, while built-in dust compensation helps maintain reliable operation as environmental conditions change. The optical chamber is field replaceable, simplifying servicing and reducing maintenance time. The detector is UL and cUL listed and is designed for compatibility with conventional fire alarm control panels.