Spec Sheet

Data Sheet 85010-0111 Issue 1.1
Not to be used for installation purposes. Page 1 of 2
GE
Security
EST Fire & Life Safety
EST3 Multiplexed Fire Alarm System
Overview
The 3-BTSEN consists of a circuit breaker and copper bus bars
mounted on a sheet metal bracket. The unit provides a backup
battery bus for supplying backup power to multiple power supplies
fed by a common battery. The 3-BTSEN features a 50 Amp circuit
breaker to protect the backup battery. The 3-BTSEN mounts in the
BC-1 Battery cabinet or any EST3 “RCC” series enclosure.
Standard Features
50 Amp circuit breaker
24 Vdc power distribution bus
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Application
The 3-BTSEN is designed to protect and distribute standby 24 Vdc
from a large common battery to multiple power supplies in an EST3
cabinet.
Engineering Specification
Where a remote battery cabinet is required to house large standby
batteries for the fire alarm system cabinet, the remote battery cabi-
net shall be equipped with a circuit breaker and distribution bus.
Mounting
Side View
Enclosure
3-BTSEN
COVER
Battery Distribution Unit
3-BTSEN