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-   -   Difference between ps class ct and 5p20 class ct (https://www.askmehelpdesk.com/showthread.php?t=559800)

  • Mar 5, 2011, 06:32 AM
    prabhatmisra
    Difference between ps class ct and 5p20 class ct
  • Mar 5, 2011, 07:45 AM
    stanfortyman

    Try again. This time use a few more words to ask your question.
    Adding your location would help too.
  • Mar 5, 2011, 08:11 AM
    Stratmando
    5P20, the 5 stands for percentage error (Accuracy), P stands for Protection and 20 is the VA burden of the CT.

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