American Power Conversion 480kW 400V Power Supply User Manual


 
64 Installation Guide APC Silcon 480kW 400V UPS
990-4059
Options/Accessories
6.6.3 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.