This Marathon 145TTFR6058 general purpose motor is three phase with one-speed operation. It runs at 1-1/2 hp, with a maximum speed of 1800 rpm. It operates at 208-230/460 VAC, 4.6/2.3 Amp. The motor has a 145TC frame with totally enclosed fan cooled (TEFC) enclosure, C-face with base mounting, and ball bearing system. It has a rolled steel frame. Weight is 68 pounds.