This Marathon 5KH37PNA479X carbonator pump motor is single split phase with one-speed operation. It runs at 3/4 hp, with a maximum speed of 1800 rpm. It operates at 115/230 VAC, 10.4/5.2 Amp. The motor has a 48Y frame with open drip proof (ODP) enclosure, rigid base mounting, and ball bearing system. Weight is 19 pounds.