This US made motor replaces the European Motors on Edwards RV3 & RV5 model rotary vane vacuum pumps. These motors are 3-Phase, 1/2 horsepower electric motors and can be operated at low voltage 208-220 VAC or at high voltage 440-480 VAC. A Motor Conversion Kit is required to make the replacement and is sold separately as part number P105245. The power cord is also SOLD SEPARATELY as part number P103309 and/or P104176. Both items can be found below in the Related section.