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  1. n00bEE

    Maximum current of a current transformer based on CT rating

    jghrist, Thanks for the information. Both of these responses were very helpful and I have a better understanding of CT ratings now.
  2. n00bEE

    Maximum current of a current transformer based on CT rating

    Thanks for the information, 111R. It looks like the thermal factor will need to be obtained from a manufacturing specification sheet. The C400 standard won't tell me the thermal factor.
  3. n00bEE

    Maximum current of a current transformer based on CT rating

    Hello all, How does one find the maximum current rating of a current transformer? Say the current transformer ratio is 3000:5 and it is C400 rated. I know that the CYYY rating is a measure of the CT's performance, but have no idea if I can calculate the maximum current rating of the CT with...

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