MM23001C DC Motor Variable Speed Control Module 115/230V 50/60Hz 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. Integral potentiometers for setting minimum and maximum speed, acceleration and deceleration, torque and IR compensation. Speed control potentiometer included. All items will be checked before packing. All items are new and of high quality. Working time 8:00-17:30 (Monday to Friday). 8:00 to 12:00 (Saturday). Time zone : +8 time zone UTC / GMT +8 hours (Beijing Time).