Marathon Motors Premium Efficiency Motor, E225, 50HP, 3600RPM, 230/460V, 3PH, 326TS FR, TEFCMarathon's XRI Premium Efficiency motors are designed to conserve energy over extended time periods. These premium efficiency designs are available in both Totally Enclosed Fan Cooled and Open Drip Proof construction. Product Specifications HORSEPOWER50 ENCLOSURETEFC FRAME326TS MOUNTINGRigid NAMEPLATE RPM3600 PHASE3 MOTOR RPM 60Hz3600 VOLTAGE230/460 DUTYContinuous SERVICE FACTOR1.15 AMBIENT TEMP C40 WEIGHT730 ULRecognized Construction CSAY RPM RANGE3001-3600 MODEL NUMBER326TSTFS6001 BEARING-DRIVE-END6312 60 HERTZ kW37 BEARING-OPP-DRIVE-END6311 FL EFFICIENCY93.6 INSULATION CLASSF FL AMPS116/58 KVA-CODEG NEMA DESIGNB APPROVAL-CEY ASSEMBLYF1 (F2 Modification Available) DRIVE END BEARING SIZE6312 OPPOSITE END BEARING SIZE6311 STARTING TYPEAcross The Line BRANDMarathon Motors MANUFACTURER PART #E225 ORIENTATIONHorizontal is_motorYes IP CODE43 ENCLOSURE TYPETotally Enclosed