KBMM-225D Adjustable Speed DC Drive The KBMM-225D is a 115/230 VAC rated 12 Amps RMS @ 45C. The control is designed for 90 & 180 VDC PM & Shunt motors. It will control motors between 1/100-1.5 HP (3.0 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: AC Line fuse and Armature Fuse holder, Auto Inhibit®, Voltage Following, MOV transient protection, 5K speed pot and trimpot adjustments for Min, Max, Accel, Decel, IR and CL. Options include Auxiliary heat sink, Barrier Terminal Board, RFI/EMI filters and Signal Isolation (model SI-6). This control is available worldwide from stocking KB distributors. UL, CSA, CE. Patented Dimensions: 4.30" x 3.60" x 1.30".