Reelcraft - 600873 the 600873 is a forward/reverse variable speed control and is specifically designed for the 115 Volt or the 230 Volt universal motors (rectified DC motors) with a motor tag current rating of no larger than 10 Amps. The 600873 contains an internal Rectifier, therefore the internal motor Rectifier wires are not used. See wiring instructions. It is advisable to mount the control out of the elements. The control is not completely weather resistant. Switch only, other items sold separately.