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) |
|---|---|---|
| 0.09kW | 1.5mm² | 1.5mm² |
| 0.18kW | 1.5mm² | 1.5mm² |
| 0.25kW | 1.5mm² | 1.5mm² |
| 0.37kW | 1.5mm² | 1.5mm² |
| 0.55kW | 1.5mm² | 1.5mm² |
| 0.75kW | 1.5mm² | 1.5mm² |
| 1.1kW | 1.5mm² | 1.5mm² |
| 1.5kW | 1.5mm² | 1.5mm² |
| 2.2kW | 1.5mm² | 1.5mm² |
| 3.0kW | 2.5mm² | 1.5mm² |
| 3.7kW | 4.0mm² | 1.5mm² |
| --- 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 |