990-55333B-001

Parallel System Overview

UIB Unit input disconnect device
SSIB Static switch input disconnect device
UOB Unit output disconnect device
SIB System isolation disconnect device
BB Battery disconnect device
MBB Maintenance bypass disconnect device
NOTE: In Schneider Electric literature, 'disconnect device' is used as a generic term covering circuit breakers or switches as their position may vary depending on configuration. Details about the individual configuration are found in the electrical diagram and/or by reading the symbol on the front of each disconnect device.

Galaxy VXL can support up to 4 UPSs in parallel for capacity and up to 4+1 UPSs in parallel for redundancy with individual UIB and SSIB.

Parallel System – Single Mains

Parallel System – Dual Mains

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