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3120B Hardwire Dual Sensor Smoke Alarm with Battery Backup

SKU: 3120B

Hardwired smoke alarm with replaceable battery backup. AC 120V Interconnectable with Silence and Latching features. Includes both Photoelectric & Ionization smoke sensing technology and 2 AA Alkaline batteries.

  • BRK 9V Battery
  • Utilizes both ionization and photoelectric smoke sensors for maximum protection
  • Two Latching Features - Alarm Latch and Low Battery Latch
  • Two Silence Features - Alarm Silence and Low Battery Silence
  • Two AA Battery Backup
  • Optipath 360 Technology™ - patented technology provides 360 degrees of direct access to the smoke sensor.
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Specifications

BRK Model 3120B
Sensor Type Dual Sensor (Photoelectric and Ionization)
Sensor Information Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires.
Sound Level 85dB at 10 feet
Power Supply Hardwired
Battery Replaceable Yes
Operating Voltage 120V AC 60Hz w/ 9V battery backup
Hardwired Interconnectivity Yes
Power Source Hardwired
Number of Batteries 2
Backup Battery Size AA
Color White
Ambient Operating Temperature (Min) 40 °F, 4 °C
Ambient Operating Temperature (Max) 100 °F, 38 °C
Operating Relative Humidity (Min) 10% (RH)
Operating Relative Humidity (Max) 95% (RH)
Product Height 2.4 in
Product Length 5.7 in
Product Weight 0.85 lb
Product Width 5.7 in
UPC Case 20029054007104
Warranty 10 Years Limited
Features Battery Backup, Hardwire Quick Connect Plug Included
Approvals and Standards Listed to UL217 Standard
Type Smoke Alarm
Hazmat Information UN 2911, RADIOACTIVE MATERIAL, EXCEPTED PACKAGE - ARTICLES
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