... air compressors,general machinery,etc. The fan motor 1.Y series three-phase asynchronous motor is basic series for general-purpose three- ... class insulation, enclosure protection rating of IP44, cooling method IC411.Y series motor, rated voltage is 380V, rated frequency is 50Hz, 3kW ... and below as "Y",4kW and above, as "" Connection. 3.Y series motor used in general machinery and equipment ...