THIS DRIVE WILL NOT OPERATE WITHOUT A PLUG-IN HORSEPOWER RESISTOR. Horsepower resistors are available for purchase from our Amazon store. The KBIC-120 chassis-mounted DC drive is a 115 VAC rated 9 Amps RMS @ 45C. The control is designed for 90 VDC PM, Shunt and AC/DC motors. It will control motors between 1/100-1/2 HP (1.0 HP w/aux. Heat sink) by inserting the proper Plug-in Horsepower Resistor. Speed range is 50:1 with load regulation of 1%. Features include Auto Inhibit, Voltage Following, MOV transient protection, 5K speed pot and trimpot adjustments for Min, Max, Accel, IR and CL. Options include Auxiliary heat sink, AC Line and Armature Fuse Kit, Barrier Terminal Board, RFI/EMI filters and Signal Isolation (model SI-5). This control is available worldwide from stocking KB distributors. UL, CSA, CE. Patented.