Marathon XRI®-SD Severe Duty Motor
50 HP, 3 Ph, 60 Hz, 460 V, 1200 RPM, 6P, 365T Frame, TEFC
Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2037 100% cast iron construction for rigidity and reduced vibration Meets IEEE45 USCG Marine Duty,Meets Ford EM1 Automotive Duty Specification MAX GUARD® Class H insulation system IP55 protection Constant Torque for inverter duty Sintered bronze breather with brass drain & breather Bearing caps, Precision balanced to .08”/sec 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power Internal and external epoxy finish