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  • Users: ch2mguy
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  1. ch2mguy

    Motor Tripping Almost Instantly

    Can anyone advise me about why a motor can megger perfectly, but yet trip the breaker within seconds after starting? I have a 75 H.P. supply fan motor, 1750 RPM, 89 Full Load Amps, 460 v. three phase. The 150 Amp breaker trip setting is adjusted to 6 x the frame rating. From my understanding...

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