... Protection funtion Feature: 1. High-performance, low prices;2. The input voltage of 2M1180N is 77VAC~123VAC (single-phase);3 ... , the maximum micro-step value is 128;10. With the protection function of overvoltage, undervoltage, short circuit ... resister. Need custom.Environment parameterCooling wayFanEnvironmentOperation environmentAvoid the environment with great amount of metallic powder, oil mist, or ...