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The RM4TR32 Phase Failure Relay shows to have a high threshold voltage of 480V. Can this unit be used on a 480V nominal system?

Published date: 25 June 2020

Issue:
Using the RM4TR32 Phase Failure Relay on a 480V nominal system

Product Line:
RM4 Zelio Phase Measurement Relays              

Environment:
Zelio Phase Measurement Relays

Resolution:                                                                 
No. RM4TR32 will not work on 480V systems. It will always be tripped on overvoltage. RM4TR32 is obsolete.
 

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