BRK Electronics First Alert 3120B 120V AC/DC Dual Sensor Hardwired with two 1.5V AA Battery Backup Photoelectric and Ionization Smoke Alarm
BRK Electronics First Alert 3120B 120V AC/DC Dual Sensor Hardwired with two 1.5V AA Battery Backup Photoelectric and Ionization Smoke Alarm
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
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description
Hardwired Photo/Ion smoke alarm provides double protection for both flaming and smoldering fires.
- 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
- 10-Years Limited Warranty
| 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 |
|
| Listing | Listed to UL217 Standard |
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