50 horsepower electric motor explosion proof hazardous location, 326T frame, 3 phase, 208-230/460 volt, 1783 rpm,NEMA Premium Efficient. Class 1, Division 1 Groups C&D, Class 2, Division 1 Groups F&G.Three Year warranty! Free Shipping!Motor Drawing & Nameplate InformationHP: 50RPM: 1783Frame: 326TVoltage: 208-230/460Amps: 121.6-110.0/55.0Efficiency: 94.5%Phase: 3SF: 1.15Shaft: 2 1/8" x 5 1/4"Enclosure: Explosion ProofWeight: 763 lbs