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Does a UV trip or UVR undervoltage release sense phase loss?

Published date: 02 June 2020

Issue:
Does a UV trip or UVR undervoltage release sense phase loss?

Product Line:
Circuit Breakers

Environment:
Circuit breakers that have a UVR undervoltage trip

Resolution:
The UVR will sense phase loss only on the phase from which its power is taken. The UVR should not be used for a phase failure application, as it can only monitor one phase.

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