Answer / anilesh

5p10
5% of error when there is 10 times of current in the
circuit.

Answer / ravi kaslikar

5P10 means 5% composite Error up to 10 times of rated CT
current. 10 is for ALF ie Accuracy Limit factor. P
indicates Protection class CT.

Answer / gopalsing

5P10,Means 5%(5P) Of Ration Error Even if 10 Times fo Rated
current pass through the primary of CT

Answer / arun kumar

10 times of rated primary current injected means 5 percent of composite error is created .
5 - composite error .
P- protection.
10- accuracy limiting factor

these r the standard ALF list - 5 , 10 , 15 ,20 ,30
composite error is related to harmonics

Answer / grayghostgg

5p10means 5 percentage error and 10 mean ten times the
secondary current the CT can withstand

Answer / bhanu

"5P 10" in this 5P Accuracy class,10 represents composite
error

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