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whts the difference b/w Class X CT and class PX CT?
dear,
Instrument class CTs read Calss X as X% accuracy
Protection class CTs read Calss XP Y , X = % accuracy, Y = Y* Ir.( i.e. Y times the current fault level then the rated value , CT does not saturate, & relay trips the breaker reliably )
sir
can u give me chat of the diffent ct use for the protection
Protection Class CT's
Re: Protection Class CT's
