Y2 series AC three phase asynchronous motor Y2 series three phase asynchronous motors is a kind of totally enclosed fan-cooled squirrel-cage AC asynchronous motors with IP54/IP55 protection and class F insulation, its efficiency are in conformity with EFF 2 standard European. Y2 Series motors are widely used as drive mechanism of various machineries, such as pumps, compressors, machining equipments, transportation system, agricultural mechanism, food processing mechanism etc. Frame 80 to 315, 2/4/6/8 poles, 10/12 poles for frame 280 and frame 355 on request. 3) Rated voltage: 180V-690V 4) Frequency: 50Hz or 60Hz 5) Protection class: IP54 6) Insulation class: F 7) Materials: Cast iron, aluminum. 8) EFF: EFF3 9) Poles: 2, 4, 6, 8 10) Cooling method: IC0141 11) Mounting types: IMB3, IMB5, IMB35, IMB34, IMB14 12) Operating mode: S1 13) Connection: "Y" type for 3kW and downwards, "D" type for 4kW and upwards 14) Ambient temperature: -15C