SMOKE
ALARM
PHOTOELECTRIC
WIRELESS INTERCONNECT
CAT.
SA520B
BRIDGE UNIT
Easily add BRK Battery Powered Wireless
Interconnect alarms to an existing BRK interconnected 120V AC system by replacing one
hardwired alarm with this Bridge Unit.
WIRELESS
INTERCONNECT
Reliable and secure radio frequency
communication between alarms. 915
MHz frequency with 65,000 security
codes and 3 channel frequency hopping.
MESH NETWORK
COMMUNICATION
2-way communication format that sends,
receives and re-sends the alarm signals
providing a more reliable network.
120V AC, 60Hz Wire-in
with two AA Battery Backup
Description:
BRK SA520B (model SA520) is a wire-in, 120V AC 60Hz single and/or multiple station photoelectric smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories,
and other multifamily dwellings as defined in standard NFPA 101. BRK SA520B has
been fully tested and complies with, UL217, CSFM, NFPA 72, and NFPA 101 and
other agencies that model their codes after the above agencies. It meets building
codes where AC with battery backup smoke alarms with wireless interconnect and
silence features are required and with model building codes published by the ICC.
BRK SA520B is a state of the art wireless talking smoke alarm designed to provide
early warning of a fire. It features a fully insect screened Photoelectric smoke
sensing chamber, an 85dB horn, a full function test switch and a silence feature. This smoke alarm interconnects via wired and/or wireless communication.
Wireless communication is on a reliable and secure radio frequency of 915 MHz
frequency with 65,000 security codes and 3 channel frequency hopping. It operates on a Mesh Network; a two-way communication format that sends, receives
and re-sends the alarm signals providing a more reliable network. It also features
tamper resistant locking pins that lock alarm to the mounting bracket and battery
drawer to prevent removal of battery or alarm. Perfect for apartment, dormitory
or hotel applications. Designed for wall or ceiling mounting. Includes mounting
anchors and screws.
PHOTOELECTRIC
Photoelectric technology is generally
more sensitive at detecting large particles, which tend to be produced in
greater amounts by smoldering fires.
SILENCE FEATURE
Silences nuisance alarms.
TAMPER RESISTANT
Locks alarm to mounting bracket to
prevent removal of battery and/or alarm.
Perfect for apartment, dormitory or hotel
applications.
Listed to
UL 217
Standard
CAT.
SA520B
TOP VIEW SIDE VIEW
5.0”
2.0”
ARCHITECTURAL AND ENGINEERING SPEC
The smoke alarm shall be a BRK Model SA520 (cat. no. SA520B) and shall provide at a
minimum the following features and functions:
1. A photoelectric smoke sensing chamber.
2. Wireless interconnect: 915 MHz frequency with 65,000 security codes and 3
channel frequency hopping.
3. Operates on a Mesh Network; a two-way communication format that sends,
receives and re-sends the alarm signals providing a more reliable network.
4. A fully screened sensing chamber to resist entry of small insects.
5. Powered by 120V AC, 60Hz and have a monitored AA battery backup 2, a solid state
horn rated at 85dB at 10 ft and should be capable of self restoring.
6. A visual LED power-on indicator to confirm unit is receiving power or is in alarm.
7. Two Silence features - Low Battery Silence: Silence low battery chirp for up to 8
hours. Alarm Silence: Temporarily silence unwanted nuisance alarms.
8. Two Locking features - tamper resistant locking pins that lock battery drawer and/
or alarm to mounting bracket.
9. The unit shall be capable of operating between 40°F (4°C) and 100°F (38°C) and
relative humidity between 10% and 95%.
10. The unit shall have a plug in connector and be capable of interconnection of up to
18 alarms, 12 of which can be smoke alarms.
11. The unit shall contain mounting hardware and shall be listed for wall or ceiling
mounting.
12. The unit shall at a minimum meet the requirements of UL217, CSFM, NFPA 72,
NFPA 101, ICC.
INSTALLATION OF ALARM
Installation of this smoke alarm must conform to NFPA 72. Always check your local
building codes. Follow all instructions for placement as outlined in the user’s manual in
sections titled “Recommended Locations for Smoke Alarms” and “Locations to Avoid for
Smoke Alarms”.
THE PARTS OF THIS ALARM
TOP BOTTOM
2
1
4
3
MOUNTING
BRACKET
TECHNICAL SPECS
Alarm Dimensions: 5.0”Dia. x 2.0”H
Weight: 9.3 oz
Operating Voltage: 120V AC with battery backup (Two 1.5V AA Batteries)
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
Wireless Frequency: 915 MHz. FCC approved. Complies with Part 15 of the
FCC Rules.
RF Linking: Automatic with 65,000 security codes
Test/Silence: Electronically simulates smoke condition, causing the
unit to alarm. Press and hold test/silence button.
Alarm Reset: Automatic when smoke clears
Smoke Sensor: Photoelectric
Interconnections: Up to 18 units, RF or hardwired (needs SA520B Bridge
Unit), with smoke, carbon monoxide, heat alarms
and relays. Maximum 12 smoke alarms.
Listing: Listed to UL217 Standard
SHIPPING SPECS
Individual Carton Dimensions 5.13”L x 2.38”W x 5.13”H
Weight 0.74 lbs.
Cube 0.04 ft3
UPC 0 29054 00205 1
Master Carton Dimensions 10.75”L x 7.88”W x 11.06”H
Master Pack 12
Weight 9.4 lbs.
Cube: 0.54 ft3
I2of5: 100 29054 00205 3
Pallet Information
Cases per Layer 22
Number of Layers: 4
Cases per Pallet: 88
Units per Pallet: 1,056
Cube: 54 ft3
Weight: 882 lbs.
TOP OF ALARM
1. Test/Silence button
2. Slide open battery drawer
3. Alarm LED
4. Power LED
5. Horn
BOTTOM OF ALARM
1. Mounting bracket
2. Mounting Slots & Locking
tabs (Break out Tab)
3. Battery Drawer - Install 2 AA
batteries here
4. Twist to attach and remove
alarm from bracket
BATTERY DRAWER LOCK
Remove pin from mounting bracket. Close door. Insert
pin in holes through alarm and battery drawer.
5
brkelectronics.com
©2015 BRK Brands, Inc. a Jarden Corporation Company (NYSE:
JAH); 3901 Liberty Street Road Aurora, IL 60504-8122; All rights
reserved. First Alert is a registered trademark of the First Alert
Trust. BRK is a registered trademark of BRK Brands, Inc.
CM3226
This product is intended for non-professional do it yourself installation. If you
would like information about a professionally installed and monitored system,
please contact First Alert Professional at 1-800-921-6025. First Alert Professional is not affiliated with BRK Brands, Inc.
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