... Digital control, strong capacity of interference resistance, low motor noisePower supply up to 220VAC or 336VDC, output current ... drive any 3,6 lines three phases stepper motor below 7.0AProtection for over voltage, over current, lack phase, under voltage, output ... RS485 communicationThree phasesAC220V0-3ADP7022Maxi pulses/rev: 40000Three phasesAC220V0-7A 3-phase stepper driver motor Xinje-DP7022C