High voltage electric motor series adopts foreign advanced technology, combined with the company's own practical experience in producing high voltage motor designed and manufactured. Milestone's high-voltage motors meet the relevant standards of the International Electrotechnical Commission (IEC), its rated frequency is 50Hz, rated voltage is 3KV, 6KV, 10KV, we can also manufacture 60Hz and other voltage high-voltage motors according to customer requirements.
Introduction of the Cooling method of the different high voltage motor series:
| Model |
Cooling |
IP Grade |
Cooling Structure |
| Y,YX,YR |
Open IC01 |
IP23 |
Ventilator hood on top
Without ventilator on top but ventilation opening on housing side |
| YKS,YRKS |
Air/water cooling, enclosed IC81W |
IP44/IP54 |
Air /water cooler on housing top |
| YKK,YXKK |
Air/air cooling, enclosed IC611 |
IP44/IP54 |
Air /water cooler on housing top |
| YRKK |
Air/air cooling, enclosed IC611 |
IP44/IP54 |
Air /water cooler on housing top |
The conditions of use of high voltage motor :
1. The altitude does not exceed 1000 meters. Higher altitudes support customization.
2. The highest ambient air temperature, no more than 40 ° C.
3. Minimum ambient air temperature: -15 °C for motors with rolling bearings, 5 °C for motors with plain bearings, or according to agreement.
4. The monthly average maximum relative humidity of the warmest month is 90%, and the monthly average minimum temperature of the month is not higher than 25 °C.
5. The power frequency is 50Hz(60Hz) ± 1%.
6.The variation range of working voltage shall not be greater than ± 5% of rated voltage.
7.The motor rating is continuous duty S1.
){kind=link}