KBMM-125 KB Electronics 115 VAC, thru 0 75 HP, 90 VDC ARM (9449) Plug-in Horsepower Resistor Required The control must have a Plug-in Horsepower Resistor installed; purchased separately Plug-in Line Fuse Available Provision for mounting Plug-in Line Fuses purchased separately Plug-in Armature Fuse Available Provisions for mounting the fuse is provided, but fuse is not included with the control Plug-in Armature Fuses purchased separately The KB Electronics KBMM full-wave DC motor control is the ultimate in reliability and performance Contains Direct-Fed current limit that helps protect the SCR power bridge against direct shorts and prevents demagnetization of PM motors THIS DRIVE WILL NOT OPERATE WITHOUT A PLUG-IN HORSEPOWER RESISTOR. Horsepower resistors are available for purchase from our Amazon store. The KBMM-125 Adjustable Speed DC Drive will control motors between 1/100-3/4 HP (1.5 HP w/aux. Heat-sink) by inserting the proper Plug-in Horsepower Resistor. The KBMM-125 motor speed control is designed for 90 VDC PM & Shunt motors. 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, C-tick. Patented.