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Bosch D273THES 4-Wire Smoke/Heat Detector with EOL Relay and Sounder

Bosch   |   SKU: D273THES   |   Model: D273THES

Product Highlights

Bosch D273THES 4-Wire Smoke/Heat Detector with EOL Relay and Sounder

This item is discontinued. Call (866) 440-2288 for Replacement

Bosch D273THES | 4 Wire Smoke/Heat Detector w/ EOL Relay & Sounder | 12VDC or 24VDC input | Removable terminal block to simplify wiring connections. Buy Now.

D273THES Four-Wire Smoke/Heat Detector with EOL Relay and Sounder. Four-wire smoke detector with a 135°F (57°C) heat sensor, a sounder, and an EOL relay.

The detector model is UL listed and works with commercial fire protective signaling and household fire warning systems. The model detects smoke particles produced during wood, paper, and fabric combustion. This detector uses 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.

  • 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

Downloads

Condition New
NDAA Compliance No
Brand Bosch
Home Control Wi-Fi
Type Hardwired
Scene Indoor
Write Your Own Review
You're reviewing:Bosch D273THES 4-Wire Smoke/Heat Detector with EOL Relay and Sounder
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Bosch D273THES | 4 Wire Smoke/Heat Detector w/ EOL Relay & Sounder | 12VDC or 24VDC input | Removable terminal block to simplify wiring connections. Buy Now.

D273THES Four-Wire Smoke/Heat Detector with EOL Relay and Sounder. Four-wire smoke detector with a 135°F (57°C) heat sensor, a sounder, and an EOL relay.

The detector model is UL listed and works with commercial fire protective signaling and household fire warning systems. The model detects smoke particles produced during wood, paper, and fabric combustion. This detector uses 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.

  • 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

Downloads

Condition New
NDAA Compliance No
Brand Bosch
Home Control Wi-Fi
Type Hardwired
Scene Indoor
Write Your Own Review
You're reviewing:Bosch D273THES 4-Wire Smoke/Heat Detector with EOL Relay and Sounder
Your Rating

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