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Does an 8430MPSV24 or an 8430MPSV29 phase failure relay have overvoltage protection?

Published date: 22 June 2020

Issue:
Over voltage protection for 8430MPSV24 or an 8430MPSV29 phase failure relays

Product Line:
Control and Measurement Relays             

Environment:
Zelio Phase Measurement Relays

Resolution:                                                                 
No. Although this relay can tolerate up to a 10% overvoltage level, it is normally used for phase failure protection only. For overloadvoltage protection we would recommend an IEC relay catalog number RM17TE00. It has a settable voltage window for overvoltage and under-voltage.

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