1,frame size:56mm 2.voltage:100-120v,230v 3.frequency:50,60Hz 4.power:370-550w 5.phase:single-phase TYPE: YY56-2SPECIFICATIONSVALUEVOLTAGE100-120v,230vFREQUENCY50,60HzPOWER370-750wNO LOAD SPEED1400/1700rpmFRAME SIZE56mmPROTECTION CLASSIP00INSULATION CLASSBDUTYS1PHASESINGLE-PHASEMOTOR HOUSINGAluminum, Steel, Cust iron, AluferCERTIFICATESCE,CCC,UL,GS,CSA,ROHS,ISO