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without any theoretical calculations, can u approximately
tell the current rating of a motor(above 30hp)working at 415VAC.

Answer Posted / azarudeen

Above 40A (if efficiency of motor - 90% & PF - .8)

FORMULA: I = (HP*746)/(1.732*415*Eff*PF)

Is This Answer Correct ?    4 Yes 3 No



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