Overview Similar Products –> Product Description MK280 Three Phase Fan and Blower **Please Note Product May ship under original Marathon number** (see cross references) 3/4-1/4 hp 1800/1200 RPM, 1.3/0.7 amps 460 Volts 60hz. 3 phase Motor 2 Speed NEMA 56 Frame Keyed Shaft 5/8″ Diameter x 1 7/8″ Service Factor: 1.25, Overload protection = None Reversible, Resilient Base Mount, Ball Bearings Class B Insulation Cross Reference: 5K49PN3052 Marathon G169 Product Videos Custom Field Product Reviews