Parallel Installation Operation - ABB 8408608 User Manual

3 I N S TA L L AT I O N
3 .4 .5
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16 Parallel system
Up to three UPSs can be connected in parallel to
installation diagram
configure a sharing and redundant output power.
I/P Breaker
O/P Breaker
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Parallel installation operation

I/P Breaker
UPS 1#
O/P Breaker
From Utility
Mains Breaker
UPS 2#
Main O/P Breaker
Mains Mechanical or static switch
To Load
I/P Breaker
UPS 3#
O/P Breaker
17