D273 Photoelectric Smoke and Smoke and Heat Detectors

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
  • Details
    Relative Humidity: Up to 93%, non-condensing
    Operating and StorageTemperature: +32°F to +120°F (0°C to +40°C)
    Radio FrequencyInterference (RFI)Immunity No alarm or setup on critical frequencies in the range of 26 MHz to 950 MHz.
    Dimensions (Diameter x H): 5 in. x 2 in. (12.7 cm x 5.1 cm)
    Material: High impact, fire retardant ABS plastic
    Power-up Time: 22 sec maximum
    RMS Ripple: 25% of DC input maximum
    Voltage (stand-by): 10 VDC to 30 VDC
    Current Draw (alarm) at 30 VDC
    D273, D273TH: 18 mA maximum
    D273THC:  33 mA maximum
    D273THE, D273THR:  36 mA maximum
    D273THS:  78 mA maximum
    D273THCS:  90 mA maximum
    D273THES: 96 mA maximum
    D273IS:  100 mA maximum
    Current Draw (standby)
    D273, D273TH, D27THC, D273THCS, D273THS: 0.1 mA maximum
    D273IS: 15 mA
    D273THE, D273THES: 15 mA
    D273THR: 18 mA maximum

    Images

     
  • Certificates (5)
    Title Type Language
    UL PDF
    CSFM PDF
    MSFM PDF
    NYC-MEA PDF
    HKFSD PDF
     
  • Documents (3)
     
 

Product variants

D273 Smoke detector, 4-wire, 12/24V

Four‑wire smoke detector.

Commercial Type No.: D273
Product No.: 4.998.140.337

 
D273IS Smoke/isolated heat detector, sounder

Four‑wire smoke detector with an isolated 135°F (57°C) heat sensor and a sounder.

Commercial Type No.: D273IS
Product No.: 4.998.143.574

 
 
D273TH Smoke/heat (135°F) detector, 4-wire

Four‑wire smoke detector with a 135°F (57°C) heat sensor.

Commercial Type No.: D273TH
Product No.: 4.998.140.338

 
D273THCS Smoke/heat detector 135°F, relay&sounder

Four‑wire smoke detector with a 135°F (57°C) heat sensor, an auxiliary relay, and a sounder.

Commercial Type No.: D273THCS
Product No.: 4.998.143.570

 
 
D273THR Smoke/heat detector 135°F, relay

Four‑wire smoke detector with a 135°F (57°C) heat sensor and a trouble relay.

Commercial Type No.: D273THR
Product No.: 4.998.143.568

 
D273THS Smoke/heat detector 135°F, sounder

Four‑wire smoke detector with a 135°F (57°C) heat sensor and a sounder.

Commercial Type No.: D273THS
Product No.: 4.998.143.567

 
 

Accessories

D275 POWER SUPERVISION MODULE

D275 POWER SUPERVISION MODULE

Line supervision device for four-wire fire detection circuits

Commercial Type No.: D275
Product No.: 4.998.140.339

 
DT-2 Detector removal/testing tool

DT-2 Detector removal/testing tool

Use the DT‑2 to remove, replace, or test the detector head

Commercial Type No.: DT-2
Product No.: 4.998.151.481