1. higher output power than single phase asynchronous motor 2.suitable for small machine tools, pumps ,air compressors and equi YS series motor is with by higher output power than single phase asynchronous motor, and has larger output of the same shape.The series is suitable for small machine tools, pumps ,air compressors and equipments of three phase power supply .Rated power: 0.18-1.5KW Rated ...