1.high efficiency 2.energy saving,higher reliability 3.lower noise and vibration 4.high locked-rotor torque Specification:1, Standard: ... /60Hz8, Speed: 2800r/m, 1440r/m, 980r/m, 710r/m9, Frame size: 71-35510, Materials: Cast iron, aluminum11, Mounting type: Foot ... ),Foot And Flange(B35)Data Table:Certification:Product Pictures: 220V Low Rpm Three Phase AC Electric Motor 5.5kw