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Bosch D273THCS 4-Wire Smoke/Heat Detector w/Auxiliary Relay & Sounder

Bosch D273THCS 4-Wire Smoke/Heat Detector w/Auxiliary Relay & Sounder

$ 57.8900
Bosch D273THCS 4-Wire Smoke/Heat Detector w/Auxiliary Relay & Sounder

SKU: D273THCS

Model: D273THCS

Condition: New

Availability: Usually ships within 2-5 days

$57.89
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D273THCS Four-Wire Smoke/Heat Detector with Auxiliary Relay and Sounder. Four-wire smoke detector with a 135°F (57°C) heat sensor, an auxiliary relay, and a sounder.

This detector model is UL Listed and works with commercial fire protective signaling and household fire warning systems. Detects smoke particles produced during wood, paper, and fabric combustion. Sounders produce 85 dB at 10 ft (3 m). This detector model use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to deter insects and reduce dust accumulation and nuisance alarms. During a fire, smoke particles reflect light onto the photodiode. When the photodiode measurements exceed the alarm threshold, the detector signals an alarm condition. After the alarm condition clears, interrupt power at the control panel to reset the detector. When a D132B Reversing Relay Module is used, the LED does not latch on alarm.

  • 12VDC 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
Brand Bosch
Condition New
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