BRK CO5120PDBN Carbon Monoxide Detector, 120V Hardwired w/ Battery Backup & Digital Display

by BRK
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About the BRK CO5120PDBN 120V Hardwired Carbon Monoxide Alarm with Battery Backup and Digital Display

The BRK CO5120PDBN is a 120V hardwired detection unit that is full of features, including BRK's electrochemical Carbon Monoxide sensing technology, a 85db horn, and an end of life alert with a silence button. In case of power failure, the BRK CO5120PDBN has a extra back battery that will provide additional power when needed. To avoid nuissance alarms, the BRK CO5120PDBN incorporates Intelligent Sensing Technology that is specially designed to eliminate annoying premature alarms.


  • Single button test/silence
  • Latching alarm indicator
  • remembers which unit initiated an alarm
  • Two silence features
  • can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
  • Intelligent Sensing Technology
  • helps reduce the number of nuisance alarms
  • Dust Cover
  • 5-Year Warranty Through the Manufacturer
  • LCD digital display with memory


  • Alarm Dimensions: 5.4" dia x 1.9" H
  • Operating Voltage: 120V AC 60Hz w/ 9V battery backup
  • Operating Current: .09 amps (standby/alarm)
  • Temperature Range: 40° F (4° C) to 100° F (38° C)
  • Humidity Range: 10% to 95% relative humidity (RH)
  • Audio Alarm: 85dB at 10 feet
  • Test/Silence: Electronically simulates carbon monoxide condition, causing the unit to alarm
  • Alarm Reset: Automatic when CO clears
  • Interconnections: Up to 18 units of First Alert or BRK Smoke, CO and Heat Alarms. Maximum of 12 smoke alarms.
  • CO Sensor: Electrochemical
  • Indicator Lights/Sounds:
  • AC Power: Constant Green LED; Display: blank/
  • DC Power: Intermittent Green LED; Display: "bAt"
  • Local Alarm: Red LED flashes rapidly; Display: CO level in PPM
  • Remote Alarm: Red LED out; Display: Blank
  • Latching Alarm: Red LED flashes every 5 seconds after local alarm stops
  • Listing: Listed to UL2034 Standard


5-Year Limited Warranty Through the Manufacturer

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