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IL = P/ (1.732 x VL x pf x effiency) (assuming delta wiring). Or as Tell suggests look at the info plate on the motor.
 
Those times in life when you think your losing your marbles when you find they are still sitting in your hand lol....
 
Agreed, I cannot work out if he wants to know how to work out the rating of the starter, the motor overloads, starting currents or running currents, sounds like another chancer, no info and the OP was so short it was bearly worth posting.
 

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