Marathon Motors Premium Efficiency Motor, U273, 125HP, 1200RPM, 460V, 3PH, 445T FR, DPMarathon'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 HORSEPOWER125 ENCLOSUREDP FRAME445T MOUNTINGRigid NAMEPLATE RPM1200 PHASE3 MOTOR RPM 60Hz1200 VOLTAGE460 DUTYContinuous SERVICE FACTOR1.15 THERMAL PROTECTIONThermostats (Normally Closed) AMBIENT TEMP C40 WEIGHT1500 ULRecognized Construction CSAY RPM RANGE1101-1200 MODEL NUMBER445TTDS16076 BEARING-DRIVE-END6318 60 HERTZ kW93 BEARING-OPP-DRIVE-END6316 FL EFFICIENCY95 INSULATION CLASSF FL AMPS145 50 Hertz HP100 50 Hertz kW75 50 HERTZ RPM1000 50 Hertz FL eFF94.50 Percent NEMA DESIGNB ASSEMBLYF1 (F2 Modification Available) APPROVAL-CEY DRIVE END BEARING SIZE6318 OPPOSITE END BEARING SIZE6316 STARTING TYPEAcross The Line 50 HERTZ VOLTAGE380 50 HERTZ FL AMPS141 BRANDMarathon Motors 50 Hertz SF1 MANUFACTURER PART #U273 ORIENTATIONHorizontal is_motorYes IP CODE12 ENCLOSURE TYPEOpen/Drip Proof