For sale is a Dart Controls, Inc. Type 125K-12/50C Variable Speed DC Motor Control. Single phase input, set-up for 120V AC. Inputs for AC (2), +A, -A/-F, +F, HI, W, LO. Potentiometers labeled: MIN, MAX, I.R., C.L. Made in USA. NOTE: I have several of these units available. All were taken-out of working, custom machines that we recently removed from a local plant that has closed-down.