Single System Overview

UIB Unit input breaker
SSIB Static switch input breaker
IMB Internal maintenance breaker
UOB Unit output breaker
BB Battery breaker in UPS for internal batteries and in external battery solution (if present)
NOTE: In some system configurations, UIB/SSIB/UOB are switches (with upstream protective device). Consult the site specific documentation for details.

Single System – Single Mains

Single System – Dual Mains

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