Answer / k.prakashchandra

1.0 class is for measurement 1%- error at full load.Other
two are for protection. 5% error at 10 times the rated load
and 10% ---

Answer / k.prakashchandra

Wrt my reply ,please correct as '5% error in measurement and
capable of taking current 10 times the rated and so on'

Answer / harish kumar

actually cl is acuracy , means in what percent accuracy, cl 1, 0.5 is for metring purpose , and cl 5p 10 , ps , 10p10 is all for protection means for relay out put , means 5 % accuracy and 10 % accuracy

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