What size cable do I need for my electric motor?

Last Updated: 1 week ago

The size of the cable need for you electric motor installation depends on the motor power, voltage and the distance between the power source and the motor. A 2.2kW single phase motor would typically need a 1.5mm² cable, while a 2.2kW three phase motor would also need a 1.5mm².

Motor Cable Sizing Chart

Disclaimer - The recommended calculated cable sizes below are intended as a guide only. When in doubt, contact the manufacturer or a qualified electrician

Power (kW)Single Phase Electric Motor (230V)Three Phase Electric Motor (415V)
0.09kW1.5mm²1.5mm²
0.18kW1.5mm²1.5mm²
0.25kW1.5mm²1.5mm²
0.37kW1.5mm²1.5mm²
0.55kW1.5mm²1.5mm²
0.75kW1.5mm²1.5mm²
1.1kW1.5mm²1.5mm²
1.5kW1.5mm²1.5mm²
2.2kW1.5mm²1.5mm²
3.0kW2.5mm²1.5mm²
3.7kW4.0mm²1.5mm²
--- Single Phase Stops Here ---
Upto 7.5kW-1.5mm²
11.0kW-2.5mm²
15.0kW-4.0mm²
18.5kW-6mm²
22.0kW-6mm²
30.0kW-10mm²
37.0kW-16mm²
45.0kW-25mm²
55.0kW-35mm²
75.0kW-50mm²
90.0kW-90mm²
110kW-95mm²
132kW-120mm²
160kW-150mm²
200kW-240mm²
250kW-300mm²
315kW-500mm²