... , strong capacity of interference resistance, low motor noise Digital control, strong capacity of interference resistance, low motor noisePower supply up to 220VAC ... below 7.0AProtection for over voltage, over current, lack phase, under voltage, output short circuit.DP-153Maxi pulses/rev: ... phasesAC220V0-3ADP7022Maxi pulses/rev: 40000Three phasesAC220V0-7A 3-phase stepper driver motor Xinje-DP7022C