Marathon Motors HVAC Motor, G145, 056T17D5350, 3HP, 1800RPM, 208-230/460V, 3 PH, 56HZ 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 NUMBERB318 HORSEPOWER3 MOTOR RPM 60Hz1800 VOLTAGE208-230/460 PHASE3 FRAME56HZ ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS2 ROTATIONCCW/CW THERMAL PROTECTIONAutomatic RATED RPM1800 MOUNTINGRB (Resilient Base) BEARING TYPEBall DRIVE END BEARING SIZE6205 OPPOSITE END BEARING SIZE6205 INSULATION CLASSB SERVICE FACTOR1.15 AMBIENT TEMP C40 DUTYContinuous is_motorYes WEIGHT LBS206 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS9.2-8.6/4.3 ASSEMBLYF1 Only ENCLOSUREDP