Emerson Lorain BD 800 User Manual

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1011D-LBD800 / 1206
Key Features
nSmall footprint and multiple
wiring attachment points
allow for ease of installation
nCurrent monitoring is
provided by a 25mV shunt
included within each
breaker and fuse
nVoltage trip breakers
permit remote shutdown/
nSafety features include
a Lock Out-Tag Out (LO/
TO) attachment point
and a door latch that is
tool-secured for restricted
nAlarm options include a
Form C, CBA/FA alarm and a
door open alarm
nAn LED indicator provides a
visual display of the status
of the breaker/fuse for each
nDisconnect assists in
compliance with local codes
Product Overview
The Lorain
BD 800 provides disconnection and overcurrent protection for +24 VDC
or -48VDC battery strings. Disconnects are available in single and dual positions. Over-
current protection is provided by a user-specified fuse or breaker rated from 300 to 800
amps per position. A shunt, included with the over-current protection device, measures
charge and discharge current and can be monitored by a Lorain
Emerson Monitoring Equipment, or any monitoring system using a 25mV shunt input.
The disconnect can be wall-mounted or 23" rack mounted as required. Breakers equipped
with voltage trip coils can be used to satisfy code requirements for EPO circuits.
The built-in shunt measures charge and discharge current for the batteries. Battery dam-
age is prevented and battery life is increased with the use of a built-in PS shunt card and
an optional VPS or LVS MCA set up to limit battery recharge current. Voltage trip breakers
permit remote operation. An EPO switch may be used to comply with local and national
fire codes (NEC).
Safety and security features include a cover that can be locked in place during mainte-
nance operations to prevent access to the battery breakers or fuses. A door alarm switch
provides a set of contacts that will change state whenever the door is opened. Any access
or operation of the door can be monitored using this feature. The door latch can also be
tool-secured for restricted access.
Feature-rich design provides flexibility; small footprint
allows for relay rack mounting.
586400100 List 1 e/w Fuse
BD 800
800 Amp Battery Disconnect