The 3M2280N Series Stepper Driver provides improved dynamic drive performance. This series drive accepts 187~253VAC input, with up to 8 Amps per phase, and provides users with a step resolution of up to 20,000 steps per revolution. As an additional feature, this drive provides users with the ability to select an auto reduce current setting which helps reduce power consumption and motor heat, while improving motor lifetime. Also, the isolation inputs help minimize interference from external electrical equipment as well has improving performance