Fasco 3.3" Shaded Pole Draft Inducer Blower - 33-110 Volts 1500-4700 RPMShaded Pole60 HZAutomatic OverloadThree PhaseHorsepower rating based upon maximum speed/load Product Specifications BRANDFasco DIAMETER INCHES3.3 MAXIMUM AIRFLOW CFM-- RPM1500-4700 SPEEDSVariable VOLTAGE33 / 110 PHASE3 HERTZ (HZ)60 AMPS1 HORSEPOWER-- OVERLOADAutomatic ROTATION (VIEW FROM MOTOR SIDE)CW BEARING TYPEBall ENCLOSURE TYPEOpen MOTOR TYPE3 Phase LISTING, RATING, CERTIFICATIONUL and CSA MANUFACTURER'S PART NUMBERA197