... performance,low price 2.Parameter adjustable regulation 3.Phase memory 4.Semi-current locking 5.Protection funtion Feature: 1. High- ... is 77VAC~123VAC (single-phase);3. Automatic parameter adjustable regulation;4. Phase memory technology: remember the phase position of the motor ... voltageSingle phase 77VAC~123VAC,(50Hz)Output current4.5A, 5A, 5.5A, 6A, 6.5A, 7A, 7.5A, 8AMicro step2/4/5/8/10/16/20/32 ...