Marathon Motors HVAC Motor, K277, 5K46KN4085, 3/4HP, 1725/1425RPM, 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 NUMBERBL1-RS-OP-48-4-B-C-.25-RS-SP HORSEPOWER3/4 MOTOR RPM 60Hz1725/1425 VOLTAGE208-230/460 PHASE3 FRAME56 ENCLOSURE TYPETotally Enclosed HERTZ60 SPEEDS2 ROTATIONCCW/CW RATED RPM1725/1425 MOUNTINGRB (Resilient Base) BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1.25 AMBIENT TEMP C40 DUTYContinuous is_motorYes WEIGHT LBS286 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS3.3-3.0/1.5 ENCLOSUREDP