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  1. fourleaf

    Inrush current for a 300 KVA Step up Transformer

    I'm having trouble with a 300 KVA transformer. After hooking it up and ohming it out before turning it on the transformer unloaded is tripping a 150 amp breaker. I realize that 150 breaker cannot handle the transformer when it is fully loaded. I would have thought that the breaker could at least...

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