Overview Product Description MK1408 Three Phase Fan and Blower**Please Note Product May ship under original Marathon number** (see cross references) 1/2 hp 1800 RPM, 2.3-2.2/1.1 amps 208-230/460 Volts 60hz. 3 phase Motor NEMA 56 Frame Keyed Shaft 5/8" Diameter x 1 7/8" Service Factor: 1.25, Overload protection = Auto Reversible, Resilient Base Mount, Ball Bearings, Class B Insulation Cross Reference: 5K42HN4088X Marathon G107 Product Videos Custom Field Product Reviews