4.4" diameter PSC fan motor 1) 115V, 208-230V, dual voltage,1/20HP to 1/ ... , air curtain etc. 4.4" diameter PSC fan motorMotor details:Motor modelB44 series Motor type induction motorOutline dimension 4.4" diameter Voltage 115V ... OPAO, TEAO, ODP Mounting type Stud Certificate UL,CSA Application fan, blower, air curtain etc. 4.4" diameter PSC fan motor