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Does the 9065 SSOLR provide under, over voltage and phase protection?

Published date: 17 June 2020

Issue:
Does the 9065 SSOLR provide under, over voltage and phase protection?

Product Line:
NEMA and Definite Purpose Contactors and Starters

Environment:
9065 SSOLR

Resolution:
Not as such. It provides phase loss/phase unbalance protection so if you had an under or over voltage condition on 1 phase, the SSOLR would see it as a phase unbalance and it would trip if the difference is 25% or greater. For true under or over voltage protection, use a voltage sensing relay.

In Series F and later overloads, the unbalance level has been increased to 75%

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