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D273 Photoelectric Smoke and Smoke and Heat Detectors

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  • 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

Product Variants

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat detector 135°F, relay&sounder

Commercial Type No. D273THCS
Product No. 4.998.143.570

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke detector, 4-wire, 12/24V

Commercial Type No. D273
Product No. 4.998.140.337

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/isolated heat detector, sounder

Commercial Type No. D273IS
Product No. 4.998.143.574

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat (135°F) detector, 4-wire

Commercial Type No. D273TH
Product No. 4.998.140.338

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat detector 135°F, EOL relay

Commercial Type No. D273THE
Product No. 4.998.143.572

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat detector, EOL relay & sound

Commercial Type No. D273THES
Product No. 4.998.143.575

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat detector 135°F, relay

Commercial Type No. D273THR
Product No. 4.998.143.568

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat detector 135°F, sounder

Commercial Type No. D273THS
Product No. 4.998.143.567

Technical Specification

Key Specifications

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
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
D273, D273TH, D27THC, D273THCS, D273THS: 0.1 mA maximum
D273IS: 15 mA
D273THE, D273THES: 15 mA
D273THR: 18 mA maximum
Accessories

Detector removal/testing tool

Commercial Type No. DT-2
Product No. 4.998.151.481

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

Downloads

Title Type Language
Title
CSFM
Type
PDF
 Language
en-US 
Title
HKFSD
Type
PDF
 Language
en-US 
Title
MSFM
Type
PDF
 Language
en-US 
Title
NYC-MEA
Type
PDF
 Language
en-US 
Title
UL
Type
PDF
 Language
en-US 
Title
Datasheet
Type
PDF
 Language
en-US 
es-AR 
pt-BR 
Title
Installation manual
Type
PDF
 Language
en-US 
Title
Technical bulletin (- Smoke Detector Locations)
Type
PDF
 Language
en-US 
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