Bosch Security D273TH
$79.79
Four-Wire Smoke/Heat Sensor
Four-wire smoke detector with a 135°F (57°C) heat sensor.
Availability: Please Call for Availability
Factory New
Material Obsolete
Description
The D273 Family includes the following detector models:
Model | Description |
D273 | Four-wire |
D273IS¹ | Four-wire with an isolated 135°F (57°C) heat sensor and sounder |
D273TH | Four-wire with 135°F (57°C) heat sensor |
D273THC | Four-wire with 135°F (57°C) heat sensor and auxiliary relay |
D273THCS¹ | Four-wire with 135°F (57°C) heat sensor, auxiliary relay, and sounder |
D273THE | Four-wire with 135°F (57°C) heat sensor and EOL relay |
D273THR² | Four-wire with 135°F (57°C) heat sensor and trouble relay |
D273THS¹ | Four-wire with 135°F (57°C) heat sensor and sounder |
D273THES¹ | Four-wire with 135°F (57°C) heat sensor, sounder, and EOL relay |
¹ Sounders produce 85 dB at 10 ft (3 m)
² The trouble relay indicates both Dirty Smoke Chamber and/or Power Loss conditions
Each of the detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion.
Information
Weight | 0.2 lbs |
---|---|
Construction | ABS |
Material Qualities | Fire Retardant, High Impact Resistance |
Detection Method | Fixed Temperature, Photoelectric |
Thermal Rating | 135°F |
Series | |
Condition | New |
Brand | Bosch Security |
Production Status | Obsolete |
Features
- 12 VDC or 24VDC 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
Resources
D273 Photoelectric Smoke and Heat Detectors
Bosch Security – Data Sheet – 2014
Photoelectric Smoke Detector; D263 / D273 Series
Bosch Security – Installation Instructions – 2006
Smoke Detectors
Bosch Security – Technical Service Note – 2000
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