Overview Product Description Applications Chemical plants, paper mills, refineries, mines, food processing, foundries, and other severe duty environments where long life and ultra-high efficiency are desired. Guaranteed efficiencies offer an extra return on your investment when using these premium efficiency motors on high cycle or long run applications. Features: Meets or exceeds NEMA Premium efficiencies NEMA Premium models are in compliance with EISA 2007 Blue Chip quality, 100% cast iron construction for rigidity and reduced vibration Internal and external epoxy paint MAX GUARD Class F Insulation System 1.15 Service Factor on sinewave 1.0 Service Factor on IGBT power Bearing caps (254T and larger) Precision balanced to .08"/sec Extended grease tubes, regreasable in service Brass drain and breather Meets IEEE45 USCG Marine Duty, IP54 Construction Meets Ford EM1 Automotive Duty Specification Hazardous Duty motor Division 2 CSA certification nameplate Division 2 / Zone 2 Class I, Groups A, B, C and D Meets temperature code T2B Actual test and vibration data supplied with each motor Ball bearings UL recognized (through 449T) and CSA certified and CE mark Three Year Warranty Details: 250 HP 1800 RPM 460 Volts 447/9T Frame 285.0 Full Load Amps Class H insulation 40 °C Ambient Temperature Totally Enclosed Fan Cooled Ball Bearing Cross Reference: 449TTFS6528, Marathon E771 Ships via Freight Truck Only, please provide a delivery address that allows for semi truck for deliveries Product Videos Custom Field Product Reviews