Do you know what generator you need for your job? Simply use our power calculator to receive an instant answer! Or if you’re looking for the right advice and technical expertise or need an affordable back-up power solution - call our generator specialists on 1300 JUB NRG (1300 582 674) or (07) 3881 1111.

How to use this calculator?

Fill in the HP of the motors, select your start method (Direct On Line or Star Delta) and then press the Calculate button at the bottom.

The appropriate generator size will be shown.

Please note that other factors (such as site conditions and motor efficiencies) may affect the actual result in real life, therefore please take these calculations as an estimatation only.

7. generator size to start motors

Please Choose Your Generator Type...

3 Phase Generator (415 volt @ 50HZ)
1 Phase Generator (240 volt @ 50HZ)

Please Input Your Settings...

Starting Sequence Motor HP Start Method
Run Variable Phase Current Starting
Total Run
Total Start
1 /
2 /
3 /
4 /
5 /
6 /

Generator Size For Starting: kVA
Generator Size For Running: kVA
Recommended Generator Size: kVA