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  1. rickie

    50 kva transformer problem

    A new one is on the way. Thank's Everyone for your advice.
  2. rickie

    50 kva transformer problem

    yes and yes
  3. rickie

    50 kva transformer problem

    Single phase yes. NEC says 100A breaker big enough, however mfg says we need 225A because they figure it at 225% instead of 125%. Thank You Rickie
  4. rickie

    50 kva transformer problem

    All connections were torqued with a torque wrench in factory lugs. Line side H1 H2 Load side X1 X4 ground and neutral were X2 X3 bonded together per mfg . I am know expert at this so i might seem a little slow at times . Thanks Rickie
  5. rickie

    50 kva transformer problem

    Hello, Help We just installed a 50kva transformer going from 480 to 120/240 with a 100A breaker and when you throw the breaker we get a flash from the transformer. After speaking to manufactuer it is wired correctly and they said we needed a 225A breaker .We are getting the flash on the primary...

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