D273IS Smoke/isolated heat detector, sounder

Commercial Type No.: D273IS
Product No.: 4.998.143.574

D273IS Smoke/isolated heat detector, sounder
  • 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

Belongs to

D273 Photoelectric Smoke and Smoke and Heat Detectors

Four‑wire photoelectric detectors for use in 12 VDC or 24 VDC nominal fire protective circuits.