... , low noise, small vibration, big breakaway torque, 1 ,Y resies motors have the advantage of high efficiency,long working ... 2,energy saving , high starting torque, low noise, small vibration, 3, big reakaway torque, reliable operation performance, easy & conveninent maintenance. ... and power grade completely comform to IEC standards. 4, Y series three phase asynchronous electric motors are widely used ...