The Baldor VEM3538 is a three phase (3PH) motor with an output of .5 horsepower and speed of 1800RPM. Anyone looking for a motor to go to work for pumps, fans, machine tools, gear reducers or conveyors - this is a great motor option. It features a heavy-gauge steel frame for durability, plus ball bearings with a locked drive end bearing and NEMA Premium® efficiency!