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Bosch D273THE Four-Wire Smoke/Heat Detector with EOL Relay

Bosch | SKU: D273THE | Model: D273THE

Product Highlights

Bosch D273THE Four-Wire Smoke/Heat Detector with EOL Relay
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$43.41

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D273THE Four-Wire Smoke/Heat Detector with EOL Relay. Four-wire smoke detector with a 135°F (57°C) heat detector and an EOL relay.

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. 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

Additional Information

Product SKU D273THE
Brand Bosch
Condition New
Home Control Wi-Fi
Type Hardwired
Scene Indoor