What do you mean by class of CTs and what is the meaning of
cl 1.0, cl5P10, cl 10P10 CTs?

Answer Posted / 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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