US Motors Evaporative Cooler, 1/2 / 1/6 HP, 1-Phase, 1725/1140 RPM MotorEvaporative CoolerOpen Dripproof (ODP)Hub Mount6.3 Dia.2-SpeedProduct Specifications BRANDUS Motors MANUFACTURERS PART NUMBER4742 HORSEPOWER1/2 MOTOR RPM 60Hz1725/1140 VOLTAGE115 PHASE1 ENCLOSURE TYPEOpen/Drip Proof HERTZ60 RATED RPM1725/1140 MOUNTINGRing INSULATION CLASSF SERVICE FACTOR1 is_motorYes RPM RANGE1701-1800 HERTZ (HZ)60