The BRK 9120B is a great choice when it comes to affordable smoke alarms. Redesigned from the ground up, BRK created the 9120B model to directly replace past models while providing greatly improved sensing technology, improved installation method, and improved connectivity. All around, the BRK 9120B is the perfect smoke alarm if you are looking for affordability with function.
The BRK 9120B uses new Smart Sensing Technology to reduce in nuissance alarms more efficiently and more accurately than ever before. The BRK 9120B is designed for sleeping rooms in your home, hospitals, hotels, motels, college dormatories and multi-family housing units. Complies with NFPA101, UL217, CSFM, NFPA72, HUD, FHA, and other agencies. Where AC/DC silent smoke alarms are required, this model will work perfectly.
The 9120B model has the ability to be interconnected within a circuit of alarms and other alert devices such as bells, whistles, repeaters, fans, or switches. (You can connect up to 17 devices, of which 11 can be smoke alarms, and 6 can be alternate devices.
Also integrated is a 9V battery backup to make sure your smoke alarms do not loose operation when your power fails, providing
|Dimension||5.6″ dia x 2.0″H|
|Operating Voltage||120V AC 60Hz w/ 9V battery backup (9120B only)|
|Operating Current||.04 amps (standby/alarm)|
|Temperature Range||40°F (4°C) to 100°F (38°C)|
|Humidity Range||10% to 90% relative humidity (RH)|
|Audio Alarm||85dB at 10 feet|
|Test/Silence||Electronically simulates smoke condition, causing the unit to alarm|
Press and hold test/silence button
|Alarm Reset||Automatic when smoke clears|
|Interconnections||Up to 18 units of First Alert or BRK Smoke, CO and Heat Alarms. Maximum of 12 smoke alarms. See user’s manual for details.|
|Smoke Sensor||Dual chamber ionization|
|Listing||Listed to UL217 Standard|