in electrical control panel. how can i choose the cable
rating. (example - 11kw motor, 18-25A mpcb}
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we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .
what do u mean by PS-0.2-5P class of Ct
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