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Options/accessories – APC SILCON 990-4053 User Manual

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Installation Guide APC Silcon 480kW 400V UPS

990-4053

Options/Accessories

6.5.4 Wiring up UPS with External Optional Dzn0 Isolation Transformer at Input

WARNING!
Isolation transformer provides galvanic isolation between mains supply and load. Load will loose
galvanic isolation if isolation transformer is bypassed.

NOTICE!
Refer to local legal regulation for wiring information.