Marathon Motors Premium Efficiency Motor, U443A, 40HP, 3600RPM, 230/460V, 3PH, 286TSC FR, DPMarathon's Premium Efficient Motors are designed meet the new Energy Efficiency standards. These Motors are available in both Totally Enclosed Fan Cooled and Open Drip Proof construction. Horsepower ranges from 1/3 - 400 Hp. Product Specifications HORSEPOWER40 ENCLOSUREDP FRAME286TSC MOUNTINGC-Face Rigid NAMEPLATE RPM3600 PHASE3 MOTOR RPM 60Hz3600 VOLTAGE230/460 DUTYContinuous SERVICE FACTOR1.15 AMBIENT TEMP C40 WEIGHT335 ULRecognized Construction CSAY RPM RANGE3001-3600 MODEL NUMBER286TSTDP4310 60 HERTZ kW30 BEARING-DRIVE-END6311 BEARING-OPP-DRIVE-END6210 FL EFFICIENCY91.7 INSULATION CLASSB FL AMPS94/47 50 Hertz HP30 50 Hertz kW22.4 50 HERTZ RPM3000 KVA-CODEG 50 Hertz FL eFF91.70 Percent NEMA DESIGNB APPROVAL-CEY ASSEMBLYF1 (F2 Modification Available) DRIVE END BEARING SIZE6311 OPPOSITE END BEARING SIZE6210 STARTING TYPEPWS(LV Only) & YDRUN 50 HERTZ VOLTAGE190/380 BRANDMarathon Motors 50 HERTZ FL AMPS86/43 MANUFACTURER PART #U443A 50 Hertz SF1.15 ORIENTATIONHorizontal is_motorYes IP CODE12 ENCLOSURE TYPEOpen/Drip Proof