How you calculating the current for a 2.5 Sqmm cable.
A 30 Hp 3 phase AC motor of power what size of cable is
used for this motor.


Answer Posted / amarnath

If its a 2.5Sq.mm Aluminium cable then it can take load
current upto 3Amps and if its Copper cable then it can take
a load current upto 9.4Amps.

And for a 30HP motor the cable size shall be 3.5Core X
16sq.mm Aluminium or 3.5Core X 6sq.mm Copper cable.

Is This Answer Correct ?    17 Yes 23 No



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