APC SILCON 10-40KW 400V UPS - Manual (Page 85)

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Installation Guide APC Silcon 10-40kW 400V UPS 85
6.7.6 Wiring up UPS with External Optional Dyn11 Isolation Transformer at Input
WARNING!
Isolation transformer provides galvanic isolation between mains supply and load. Do not bypass
isolation transformer in order to avoid damaging circulation currents and to prevent load from
loosing galvanic isolation.
NOTICE!
Refer to local legal regulation for wiring information.