Marathon Motors, K158, 5K35MNB117, 1/2HP, 1725RPM, 208-230/460V, 3PH, 56 FR, TEFCMarathon's Three Phase extensive line of General Purpose motors are available in ODP and TEFC construction, Foot Mounted and Footless. Horsepower sizes available from stock range from 1/12 HP through 1500 HP. Product Specifications HORSEPOWER1/2 ENCLOSURETEFC FRAME56 MOUNTINGRigid NAMEPLATE RPM1725 PHASE3 MOTOR RPM 60Hz1725 VOLTAGE208-230/460 DUTYContinuous SERVICE FACTOR1.25 AMBIENT TEMP C40 WEIGHT19 ULY CSAY CATALOG NO.K158 RPM RANGE1701-1800 MODEL NUMBER5K35MNB117 BEARING-DRIVE-ENDBall BEARING-OPP-DRIVE-ENDBall INSULATION CLASSB FL AMPS2.1-2.2/1.1 KVA-CODEK DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 STARTING TYPESquirrel Cage Induction BRANDMarathon Motors MANUFACTURER PART #K158 ORIENTATIONHorizontal or Vertical is_motorYes ENCLOSURE TYPETotally Enclosed