Connection Diagram Backfeed Protection Tn-Mains - Alpha Technologies Tri Power X33 Mod HP series Operating And Maintenance Manual

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5. Installation

5.1.1 Connection diagram Backfeed Protection TN-Mains

Agenda:

S1 circuit breaker upstream.

S3 relay to cut mains upstream.

S4 auxilay contact to drive relay.

Tri Power X33 Mod HP Manual | Rev 1.20 | © Alpha Technologies GmbH 2013

3-phase/3-phase

1-phase/1-phase

ATTENTION

If the UPS give signal that the Backfeed Protection is activated, please contact the service.

3-phase/1-phase

1-phase/3-phase

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