OEM Part Number 11-2269, MM23001C, 112269 Specification Input: 115 or 230 Volt AC, 50/60 Hz Armature voltage (115 Volt AC IN): 0-90 VDC Armature voltage (230 Volt AC IN): 0-180 VDC 5 Amps output, 10 Amps w/heatsink 1/8 HP to 1 HP @ 90 Volt DC 1/4 HP to 2 HP @ 180 Volt DC 1% regulation over 60:1 speed range Size 4-5/16" x 3-19/32" x 1-19/32" Feature: Adjustable SCR speed controller for permanent magnet or shunt wound, brush type motors. Ideal for motors in the range of 1/8 HP to 2 HP. Compact design in industry standard MM footprint. Optional heatsink (sold separately) can be added to boost output current capacity. Integral potentiometers for setting minimum and maximum speed, acceleration and deceleration, torque and IR compensation. Speed control potentiometer included. Made of high quality material, more durable. Adjustable SCR speed controller for permanent magnet or shunt wound, brush type motors. Easy and durable to use.