BRK® 3120B Wire-In Smoke Alarm With Battery Backup, Ionization/Photoelectric, 120 VAC 60 Hz with (2) AA 1.5 VDC Battery, LED Display, 85 dB

Smoke Detector Alarms
868504 MFG #: 3120B
First Alert® (BRK)
45.00000 / ea
  • Alarm Type: Audio
  • Application: Single and or multiple station alarm specifically designed to detect smoke in residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings
  • ARRA Compliant: N
  • Audible Alert: 85 dB
  • Buy American Compliant: N
  • Catalog Number: 3120B
  • Color: White
  • Country of Origin: MX
  • Currency: USD
  • Dimensions: 5.0" diameter x 2.1" height
  • Display Type: LED
  • Enclosure Material: Plastic
  • Environmental Conditions: 10 percent to 90 percent relative humidity (RH)
  • EU RoHS Indicator: Y
  • Gross Weight Per Pack: 0.73 lb
  • Gross Weight per Pack Metric: 0.33
  • Gross Weight UOM Metric: kg
  • Harmonization Tariff Schedule Code: 9022294000
  • Height: 5.13 in
  • Height [Metric]: 13.0302 cm
  • Humidity Rating: 10 to 95%
  • Interconnection Capability: Up to 18 Units
  • Length: 5.13 in
  • Length [Metric]: 13.0302 cm
  • Mounting: Electrical junction box, wall or ceiling
  • Operating Temperature: 40 to 100 °F
  • Operating Voltage: 120V AC 60Hz w/ 9V battery backup
  • Output Current: 0.07 Amps
  • Power Consumption: 0.07 Amps
  • Power Source: 120 VAC 60 Hz with (2) AA 1.5 VDC Battery
  • Sensitivity: Audio Alarm: 85dB at 10 feet
  • Sensor: Dual Ionization & Photoelectric Smoke Sensors
  • Sensor Type: Ionization/Photoelectric
  • Standard: UL217
  • Standards: UL 217
  • Standby Current: 0.07 Amps
  • Temperature Range: 40 to 100 °F
  • Type: Dual Sensor Smoke Alarm
  • UNSPSC: 46191501
  • Visual Alert: Green LED
  • Width: 2.38 in
  • Width [Metric]: 6.0452 cm
  • Wiring Type: Quick Connect
  • Stock Status: NONSTOCK
  • Brand: First Alert® (BRK)
  • Manufacturer: BRK Brands, Inc.
The BRK Model No. 3120B is a wire-in, 120V AC 60Hz single and/or multiple station photoelectric and ionization dual sensor smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings as defined in standard NFPA 101. Model 3120B complies with UL217, CSFM, NFPA 72, HUD, FHA and other agencies that model their codes after the above agencies. It meets building codes where AC/DC photoelectric and ionization combination smoke alarms are required. The BRK 3120B is a state-of-the-art hardwired with battery backup smoke alarm that features dual photoelectric and ionization smoke sensing technologies. This alarm features two latching features and two silence features. Alarm Latch: Easily identifies initiating alarm even after alarm condition has subsided. Low Battery Latch: Identifies which unit is in low battery condition by blinking the green power light. Low Battery Silence: Temporarily silence the low battery chirp for up to eight hours. Alarm Silence: Silence alarm for several minutes. Other features include an 85dB horn, single button test/silence, an easy access battery drawer and dust cover. OptiPath 360 Technology: Exclusive patented technology provides 360 degrees of direct access to the smoke sensor. Two locking features are provided to prevent battery theft and/or theft of the unit. Connection to AC power is made with a Quick-Connect wiring harness. Installation is quick, easy and cost effective.
QTY
  • Applications
  • Features
Single and or multiple station alarm specifically designed to detect smoke in residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings
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
Optipath 360 Technology™
0.04 A (standby/alarm) operating current
Electronically simulates smoke condition, causing the unit to alarm, press and hold test/silence button
Automatic when smoke clears
Up to 18 units of first alert or smoke, carbon monoxide and heat alarms, maximum of 12 smoke alarms
Constant green LED AC power, intermittent green LED DC power
Red LED flashes rapidly local alarm
Red LED out remote alarm
Green LED flashes 2 s on/2 s off after local alarm latching alarm
LED flashes green 2 s on/2 s off low battery latch