Answer / devakumar

These are the accuracy class of CTs.

0.2 class of CTs are used for measuring purpose.

5P class of CTs are used for protection purpose.

Answer / parthasarathi

5P means actually the %error in the secondary of CT.
PS(purchaser specification) means, it is a special CT .

normally it is indicated like this EX : 5P20 means 20 times
of the over current the core will be saturated.

Answer / koti

IT IS A PROTECTION CT WITH 0.25% ACCURACY AND 5 VA BURDEN.

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