FEATURES •Meets or exceeds NEMA Premium® efficiencies, except where noted NEMA Premium® models are in compliance with EISA2007 •Meets IEEE45 USCG Marine Duty, IP54 Construction, Meets Ford EM1 Automotive Duty Specification •Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration •Provisions to add stub shaft for an encoder (182T-449T, TEFC only) •Internal and external epoxy paint •MAX GUARD® Class F insulation system •Constant Torque speed range is listed in CT SPEED RANGE column •1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power •Bearing caps (254T and larger), Precision balanced to .08”/sec