Apc SILCON 990-4053 User Manual download pdf (Page 67)

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990-4053

Installation Guide APC Silcon 480kW 400V UPS 67

6.5.5 Wiring up UPS with External Optional Dzn0 Isolation Transformer at Output

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.

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Apc SILCON 990-4053 User Manual Page 67