Marathon Motors HVAC Motor, G143, 056T17D5348, 1 1/2HP, 1800RPM, 208-230/460V, 3 PH, 56 FRMarathon'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 NUMBERX021 HORSEPOWER1 1/2 MOTOR RPM 60Hz1800 VOLTAGE208-230/460 PHASE3 FRAME56 ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS1 ROTATIONCCW/CW THERMAL PROTECTIONAutomatic RATED RPM1800 MOUNTINGRB (Resilient Base) BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1.15 AMBIENT TEMP C40 DUTYContinuous is_motorYes WEIGHT LBS28 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS4.8-4.8/2.4 ASSEMBLYF1 Only ENCLOSUREDP