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Alarms / Smoke Alarms / 3120B BRK® 120V AC Photo/Ion Smoke Alarm w/Battery backup
Discontinued

3120B BRK® 120V AC Photo/Ion Smoke Alarm w/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.
View Replacement Products
Brkelectronics

3120B BRK® 120V AC Photo/Ion Smoke Alarm w/Battery backup

SKU: 3120B

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3120B CSFM Listing Card Jan 10, 2022 0.16 MB Download
3120B ETL Listing Card Jan 10, 2022 0.03 MB Download

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Specifications

BRK Model
3120B
Replacement Model
SM300-AC
Type
Smoke Alarm
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
Product Height
2.4 in
Product Length
5.7 in
Product Weight
0.85 lb
Product Width
5.7 in
Power Source
Hardwired
Operating Voltage
120V AC 60Hz w/ 9V battery backup
Hardwired Interconnectivity
Yes
Battery Replaceable
Yes
Battery Backup
Yes
Backup Battery Size
AA
Number of Batteries
2
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)
UPC Case
20029054007104
UPC Number
029054007100
Warranty
10 Years Limited
Features
Battery Backup; Hardwire Quick Connect Plug Included
Approvals and Standards
Listed to UL217 Standard

Product Overview

  • 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.

Replacement Products