A.O. Smith 3.3" Shaded Pole Draft Inducer Blower - 208-230 Volts 3000 RPMShaded PoleStainless steel shaft60 HZAutomatic OverloadHorsepower rating based upon maximum speed/load Product Specifications BRANDA.O. Smith DIAMETER INCHES3.3 MAXIMUM AIRFLOW CFM105 RPM3000 SPEEDS1 VOLTAGE208 / 230 / 460 HERTZ (HZ)60 AMPS0.6 HORSEPOWER1/30 OVERLOADAutomatic ROTATION (VIEW FROM MOTOR SIDE)CCW BEARING TYPEBall ENCLOSURE TYPEOpen MOTOR TYPEShaded Pole LISTING, RATING, CERTIFICATIONUL and CSA MANUFACTURER'S PART NUMBERD9430