S M O K E
A L A R M
CAT.
SA520B
BRIDGE UNIT
Easily add BRK Battery Powered Wireless
Interconnect alarms to an existing BRK inter-
connected 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.
PHOTOELECTRIC
Photoelectric technology is generally
more sensitive at detecting large par-
ticles, 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.
Description:
BRK SA520B (model SA520) is a wire-in, 120V AC 60Hz single and/or multiple sta-
tion photoelectric smoke alarm specifically designed for residential and institution-
al 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 fea-
ture. 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 oper-
ates 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.
120V AC, 60Hz Wire-in
with two AA Battery Backup
Listed to
Standard
UL 217
P H O T O E L E C T R I C
WIRELESS INTERCONNECT
