D273 Photoelectric Smoke and Smoke and Heat Detectors
- 12 VDC or 24 VDC input
- Designed for commercial or residential use
- Four-wire application
- Light-emitting diodes (LEDs) indicate the status of the chamber, power, and alarm
- Removable terminal block to simplify wiring connections
- Cable connection point for voltmeter sensitivity test
- Trim Plate TP280 for retrofit and remodeling purposes