1.high efficiency 2.energy saving,higher reliability 3.lower noise and vibration 4.high locked-rotor torque Specification:1, Standard: IEC2, Protection class of enclosure: IP54/IP553, Cooling modes: IC4114, Insulation Grade: F5, Power: 0.49HP-420HP6, Voltage: 220V, 380V, 400V,415V,440V, 660V, others on request7, Frequency: 50Hz/60Hz8, Speed: 2800r/m, 1440r/m, 980r/m, 710r/m9, Frame size: 71-35510 ...