... ,higher reliability 3.lower noise and vibration 4.high locked-rotor torque Specification:1, Standard: IEC2, Protection class of enclosure: IP54 ... /m, 980r/m, 710r/m9, Frame size: 71-35510, Materials: Cast iron, aluminum11, Mounting type: Foot (B3), Flange (B5),Foot And ... )Data Table:Certification:Product Pictures: 220V Low Rpm Three Phase AC Electric Motor 5.5kw