This Marathon 56T17D5329 belt drive 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, 4.8-4.8/2.4 Amp. The motor has a 56 frame with open drip proof (ODP) enclosure, resilient ring mounting, and ball bearing system. Weight is 28 pounds.