... ):115,230,380,Frequency (HZ):50,Current (AMP):0.80,0.45,0.28.Power (Watts):65,70 axial fan electric cooling ... -corrosive and moisture proof structure Impeller: UL-0 70% PBT+30%FRP Bearing: self lubricating bearing and ball bearing.Insulation: Class ... : -40-+70Technical Parameter: Dimension(mm)ModelVoltage(VAC)Frequency(HZ)Current(AMP)Power(Watts)SPeed(RPM)AirFlow(CFM)Pressure(inch/H2O)Noise(dBA ...