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Marathon NEMA Frame
Marathon NEMA motors combine an optimum design that features low-loss electrical grade laminations, 100% copper windings, a precision air gap, and non-hygroscopic class F insulation through 445T and class H on 449T frame. The 230/460 and 460 Volt motors are dual name plated for 190/380 or 380 volt; 50Hz performance at the next lower horsepower.
WEG
Low Voltage - IEC High Voltage - HGF
Marathon Electric
NEMA Frame Hazardous / Explosion Proof