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The cable size depends on a few factors, such as the supply voltage, the method of starting the motor, (direct-on-line, or star delta) and the length of cable required to compensate for voltage drop. Also, if the cable is copper or aluminum.
110 kW motor has a rated current of 200 amps at 415 volts, so the correct copper cable size would have a cross-sectional area of 75 square mm., if the motor is started direct-on-line.
At 660 volts, the rated current would be 118 volts and the cable size would be 35 square mm.

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βˆ™ 15y ago
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βˆ™ 14y ago

Wire is sized by the amount of current the load requires. With a 110 kW load the voltage is needed to calculate the amperage. I = W/E. Amps = Watts/Volts.

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Q: What is the cable size of 110 KW motor?
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