BRK SA520B
MFG #SA520B
UPC #02905400205
SKU #3830289
73 in Stock
Stock Item
More available 02/18/2026
$56.52/EA
Product description
BRK SA520B 120VAC/WIRELESS PHOTOELECTRIC SENSOR SMOKE ALARM-BRIDGE UNIT W/(2)AA BATTERY BACK-UP
BRK® Smoke Alarm, Hardwired, 120 VAC, 60 Hz with (2) 1.5 VDC AA Batteries Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Units Interconnection, 85 dB Alert, Red LED Visual Alert, 10 to 95 % Humidity, LED Display, Wireless Wiring, 40 to 100 deg F Operating, White, 5 in Dia x 2 in H Dimensions
BRK® Smoke Alarm, Hardwired, 120 VAC, 60 Hz with (2) 1.5 VDC AA Batteries Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Units Interconnection, 85 dB Alert, Red LED Visual Alert, 10 to 95 % Humidity, LED Display, Wireless Wiring, 40 to 100 deg F Operating, White, 5 in Dia x 2 in H Dimensions
- BRK® Smoke Alarm, Hardwired, 120 VAC, 60 Hz with (2) 1.5 VDC AA Batteries Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Units Interconnection, 85 dB Alert, Red LED Visual Alert, 10 to 95 % Humidity, LED Display, Wireless Wiring, 40 to 100 deg F Operating, White, 5 in Dia x 2 in H Dimensions
- Bridge unit, wireless photoelectric hardwired smoke alarm
Single button test/silence
Two silence features can silence the low battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
Add additional OneLink alarms and hardwired alarms, links all alarms together for a complete system
Hardwired interconnect and RF interconnect reliable and secure radio frequency communication between alarms, 915 MHz frequency with 65000 security codes and 3 channel frequency hopping
Optipath 360 Technology™ patented technology provides 360 deg of direct access to the smoke sensor
Perfect mount allows for easy alignment of alarm
Electronically simulates smoke condition, causing the unit to alarm, press and hold test/silence button
Automatic when smoke clears
Up to 18 units, RF or hardwired (needs SA520B bridge unit), carbon monoxide and heat alarms and relays, maximum of 12 smoke alarms
- ALARM SMK PELEC LED 85DB AUD ALM R LED
- Product Catalog Page(s)
Specification Sheet
- UL 217|Buy American Act Compliant
- Brand: BRK ElectronicsAlarm Type: AudioColor: WhiteCountry of Origin: MXDimensions: 5.0"" diameter x 2.1"" heightEnclosure Material: PlasticEnvironmental Conditions: 10 percent to 90 percent relative humidity (RH)Included: (2) 1.5V AA alkaline BatteryLoudness: 85 DB At 10 FTMounting: Electrical junction box, wall or ceilingOperating Frequency: 915 MHZOperating Temperature: 40 - 100 DEG FOperating Voltage: 120V AC 60Hz w/ 3V battery backupOutput Current: 120V AC 60Hz w/ 3V battery backupPower Consumption: 120V AC 60Hz w/ 3V battery backupSensitivity: Audio Alarm: 85dB at 10 feetSensor: Photoelectric Smoke SensorStandard: UL 217|Buy American Act CompliantStandby Current: 120V AC 60Hz w/ 3V battery backupSub Brand: First AlertTemperature Range: 40 Degree F (4 Degree C) to 100 Degree F (38 Degree C)Type: Wireless Smoke Alarm with Voice and Location