Marathon Motors Fan Blower Motor, B607, 48S17D2117, 1/3HP, 1800RPM, 277V, 1PH, 48Z FR, DPMarathon's line of Heating, Ventilation, and Air Conditioning Motors are designed with dynamically balanced rotors for reduced vibration and quiet operation. Product Specifications BRANDMarathon Motors MANUFACTURERS PART NUMBERB607 HORSEPOWER1/3 MOTOR RPM 60Hz1800 VOLTAGE277 PHASE1 FRAME48Z ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS1 ROTATIONCCW THERMAL PROTECTIONAutomatic Protector RATED RPM1800 MOUNTINGResilient Base - Extended Studs BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1.35 AMBIENT TEMP C40 DUTYContinuous AOM is_motorYes WEIGHT LBS15 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS2.5 ASSEMBLYF1 Only ENCLOSUREDP