Smoke Alarm
DOCUMENTATION:
FEATURES
Hardwired Smoke Alarm with Battery Backup
Designed to help promote household safety, the First Alert 9120B Hardwired Smoke Alarm with Battery Backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.
- Ionization Sensor Reliably Detects Flaming Fires
- Gasket-less for Easy Installation
- Battery Backup for Detection During a Power Outage
- Works in Tandem with Other First Alert Alarms
- Ionization smoke sensor is optimal for detecting fast flaming fires.
- Loud 85dB alarm.
- Tamper resistant locking pins.
- Single button silence/test.
- 120V AC power with 9V battery backup (included) to keep alarm functioning during power outage.
- Open mounting design for easy installation with side load battery compartment for quick replacement.
- Interconnectable up to 18 units (12 smoke, 6 CO/heat/relay).
- Emits T3 Pattern.
- 10 Year Limited Warranty.
- Product Dimensions (LxWxH): 5.6 x 1.9 x 5.6 in.
- Product Weight: .60 lbs.
SPECIFICATIONS
Dimensions
- Diameter: 5.6"
- Height: 2"
General Details
- Operating Voltage: 120V AC 60Hz w/ 9V battery backup
- Operating Current: 0.04 amps (standby/alarm)
- Temperature Range: 40°F (4°C) to 100°F (38°C)
- Humidity Range: 10% to 95% 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.
- Smoke Sensor: Dual Ionization
- Listing: Listed to UL217 Standard
Indicator Lights/Sounds
- AC Power: Constant Green LED
- DC Power: Intermittent Red LED
- Local Alarm: Red LED flashes rapidly
- Remote Alarm: Red LED out.
- Latching Alarm: Green LED flashes 2 sec. on/2 sec. off after local alarm