Marathon Motors Metric Motor, E678, 326TTFS6527, 50HP, 1800RPM, 575V, 3PH, 326T FR, TEFCMarathon's extensive line of 575 Volts, General Purpose motors are available in Open Drip-proof and TEFC construction in three phase. Horsepower sizes available from stock range from 1/2 HP through 100 HP. Product Specifications HORSEPOWER50 ENCLOSURETEFC FRAME326T MOUNTINGRigid PHASE3 MOTOR RPM 60Hz1800 VOLTAGE575 DUTYContinuous SERVICE FACTOR1.15 AMBIENT TEMP C40 WEIGHT756 ULRecognized Construction CSAY RPM RANGE1701-1800 MODEL NUMBER326TTFS6527 60 HERTZ kW37 BEARING-DRIVE-END6312 BEARING-OPP-DRIVE-END6311 FL EFFICIENCY0.945 INSULATION CLASSF FL AMPS48 KVA-CODEF NEMA DESIGNB ASSEMBLYF1 (F2 Modification Available) APPROVAL-CEY DRIVE END BEARING SIZE6312 OPPOSITE END BEARING SIZE6311 STARTING TYPELine or Inverter BRANDMarathon Motors MANUFACTURER PART #E678 ORIENTATIONHorizontal is_motorYes IP CODE54 INVERTER SPEED RANGEDivision 2 T2B ENCLOSURE TYPETotally Enclosed