This Marathon 5KH36MNA445X carbonator pump motor is single split phase with two-speed operation. It runs at 1/2 hp, with a maximum speed of 1800 rpm. It operates at 100-120/200-240 VAC, 7.1-7.2/3.4-3.6 Amp. The motor has a 48Y frame with open drip proof (ODP) enclosure, rigid base mounting, and ball bearing system. Weight is 17 pounds.