BRK Electronics First Alert 3120B 120V AC/DC Dual Sensor Hardwired with two 1.5V AA Battery Backup Photoelectric and Ionization Smoke Alarm

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Need to replace BRK SA773CN?

This BRK 3120B can communicate with existing BRK SA773CN. However, you need to change the mounting bracket and the wiring harness

Our Price: $31.88

Model: BRK-3120B

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Technical Spec

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Technical Spec

Hardwired Photo/Ion smoke alarm provides double protection for both flaming and smoldering fires.

Model #	3120B
Weight	9.5 oz
Dimension	5.0" dia x 2.0"H
Operating Voltage	120V AC 60Hz w/ two 1.5V AA battery backup
Operating Current	0.07 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	Photoelectric and Ionization
Indicator Lights/Sounds	AC Power: Constant Green LED DC Power: Intermittent Green LED Local Alarm: Red LED flashes rapidly Remote Alarm: Red LED out. Alarm Latch: LED flashes red 2 sec on, 2 sec off after local alarm stops Low Batteru Latch: LED flashes green 2 sec on, 2 sec off
Listing	Listed to UL217 Standard

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