... , variable speed drive, AC motor drive, energy saver, speedchanger, variator, speed controllerGoods description: Applied to 3 asynchronous motor for motor speed control and energy ... and remote keypad;7> Hi-performance isolating OC output, AC or DC load of 220V/0.5A can be ... .2> Long-distance control to start/stop of the motor: blower, food, chemical machine, packing machine, transportation machine ...