Baldor-Reliance Motor, 20HP,1180RPM,3PH,60HZ,286T,4054M,OPSB,F1Features:Heavy duty framesBall bearingsMoisture resistant ISR® (Inverter Spike Resistant) copper windingsLow-loss electrical lamination grade steelThree year warranty.Typical Applications:Typical applications include operations where continuous or frequent duty is required. Super-E Motors are designed to conserve energy over extended time periods. Inverter rated per NEMA MG1 Part 31.4.4.2. Suitable for variable torque applications and 20:1 constant torque speed range with properly sized and adjusted variable frequency drives. Product Specifications HORSEPOWER20 ENCLOSUREOPSB FRAME286T MOUNTINGRigid NAMEPLATE RPM1180 PHASE3 MOTOR RPM 60Hz1180 VOLTAGE230/460 HERTZ60 SERVICE FACTOR1.15 AMBIENT TEMP C40 WEIGHT372 RPM RANGE1101-1200 DESIGN CODEA BEARING-DRIVE-END6311 BEARING-OPP-DRIVE-END6309 FL EFFICIENCY93 INSULATION CLASSF FL AMPS52/26 KVA-CODEH 208V AMPS54 BRANDBaldor-Reliance DOE-CODE010A MANUFACTURER PART #EM2528T CUSTOMER-PART-NUMBER-- is_motorYes GREASEPOLYREX EM ENCLOSURE TYPEOpen/Drip Proof SPACE-HEATER-AMPS-- SPACE-HEATER-VOLTS-- MAX. SPACE HEATER TEMP.-- POWER-FACTOR77 DRIVE END FLANGEStandard C-DIMENSION INCHES25.06 SERIAL-NUMBER-- POLES6 SPEC. NUMBER40G048X120