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

Discontinued

1 7

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.

Additional Options

Product variants

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Resources

Sell (0)

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

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

Install (0)

User Manual for 3120B Hardwire Dual Photoelectric and Ionization Sensor Smoke Alarm (English, Spanish) Jun 10, 2022 1.56 MB Download

3120B Architect and Engineering Specifications Jan 10, 2022 0.08 MB Download

3120B Specification Sheet Jan 10, 2022 0.24 MB Download

More Information on Ionization vs. Photoelectric Smoke Alarms Mar 07, 2023 - 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

Number of Batteries

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.