The LiftMaster LMPD24‑2W photoelectric smoke detector provides reliable smoke detection for LiftMaster fire door systems. Its optical sensing chamber and microprocessor work together to detect smoke while automatically adjusting sensitivity to compensate for dust or environmental changes. Supplied with a plug‑in mounting base, the detector features a large wire entry port, in‑line terminals and a Stop‑Drop ’N Lock mechanism, making installation on a two‑wire loop fast and secure. Dual‑color LEDs provide visual status, and a built‑in test switch and remote maintenance signaling ensure that the detector remains in proper working condition.
Features & Compatibility:
- State‑of‑the‑art photoelectric sensor with automatic drift compensation
- Compatible with 12/24 VDC systems on a 2‑wire loop
- Includes plug‑in base, large wire entry port and SEMS screw terminals
- Stop‑Drop ’N Lock design simplifies installation and service
- Removable detector cover and chamber for maintenance
- Wide‑angle dual‑color LED indication and built‑in test switch
- Integrates with LiftMaster release devices (LM21AFCB, LM21XPBB) and fire door controllers
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