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Eaton RGH65K circuit breaker ground fault test

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  1. Misae1 is offline Junior Member
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    Eaton RGH65K circuit breaker ground fault test

    Hello,

    I am acceptance testing the RGH 65K CB at .2 settings for ground fault using a secondary current test set. The GF pickup should trip around 200A. However, it doesn’t trip until 400A. There are settings for the GF pickup at .4(400A), .6(600A), .8(800A), 1(1000A), and 1.2(1200A). Settings for .4 and above tripped at its respective pickup amperage. Why is the CB not tripping at the lowest GF settings ? Is there a certain configuration for this CB to test the lowest settings on the GF?

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