YDT series pole-changing multi-speed three-phase asynchronous motors have the advantages of high efficiency, energy saving and low noise(please contact customer service for detailed price).The flameproof three-phase asynchronous motor is a fully enclosed self-fan cooled cage flameproof asynchronous motor, which conforms to the ZBK25002-1989 standard. The motor has the characteristics of high efficiency, energy saving, large temperature rise margin and long life, good performance, low noise, low vibration and high reliability.