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what is CT class? depending upon which it is classified?
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Answer Posted / rajesh dhankar
CT class is the class of accuracy of instrument standardised
by indian standard (ISO).
For example if a CT out put is of 5 ampere if it gives out
put between 4.5 to 5.5 ampere than it is with in limit but
if it increase than it is out of limit and needs to be
replaced making electrical department loss of lakh per year.
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