APC 990-4053 Power Supply User Manual


 
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990-4053
Installation Guide APC Silcon 480kW 400V UPS 65
6.5.3 Wiring up UPS with External Yyn0 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.