Marathon Motors Fire Pump Motor, H812, 300HP, 460V, 1800RPM, 3PH, 447TS FR, DPFor use on pumps designed for fire pump duty and installed per NFPA-20. These Dripproof motors are intended for installation in relatively clean and dry environments. Fire Pumps motors are not recommended for use with variable frequency drives.Product Specifications HORSEPOWER300 ENCLOSUREDP FRAME447TS BRANDMarathon Motors MOUNTINGRigid MOTOR RPM 60Hz1800 MOTOR RPM 50Hz1500 RPM1800/1500 PHASE3 VOLTAGE460 SERVICE FACTOR1.15 AMBIENT TEMP C50 ENCLOSURE TYPEOpen/Drip Proof OPPOSITE END BEARING6314 WEIGHT1994 ULUL Listed CSAY DUTYContinuous MANUFACTURERS PART NUMBERH812 RPM RANGE1701-1800 MODEL NUMBER447TSTDN7026 60 HERTZ RPMS1800 60 HERTZ kW224 is_motorYes KVA-CODEF 50 Hertz FL eFF95.00 Percent 50 Hertz Voltage380 50 Hertz FL Amps345 FL EFFICIENCY95.4 50 Hertz SF1.15 50 Hertz HP250 50 Hertz kW187 CEY NEMA DESIGNB STARTING TYPEPWS & YDRUN IP CODE12 ORIENTATIONHorizontal BEARING-DRIVE-END6314 ASSEMBLYF1 (F2 Modification Available) DRIVE END BEARING SIZE6314 OPPOSITE END BEARING SIZE6314 FL AMPS345 INSULATION CLASSF