Emerson Battery Asymmetry Unit User Manual

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BAU 48/4 detects battery backup system failures by comparing the total and the
central point voltages in battery strings. Battery cell failures, open circuit or short
circuit failures causes voltage changes that activate a preset voltage difference alarm.
The unit can be connected to Emerson Network Power Controllers (SCU, SCU+, ACU,
ACU+).
Features and Benefits
Battery Monitoring,
BAU48/4
Small size box – Simple installation and
add on to Controller function
Easy-to-use and easy-to-wire
Controls up to 4 battery strings
Description
Battery Asymmetry Unit (BAU)
DC Power for
Business-Critical Continuity