YH Series Motor is designed on the basis of Y Series Motor and has the same overall dimensions.Insu-lation Class and Cooling Method as Y Series Motor. By adopting the rotor made fromhigh-resistance aluminum alloy, YH Series Motor features its high slip ratio. 1ong Locked torque.small Locked current and soft mechanical function and it can endure the impact load. it is suitablefor metal-processing machine tools that have long moment of force of the flying wheel, unevenimpact load and large number of normal-reverse rotating, such as shear, punching machine,swaging machine and so on.