... ability of interference resistance, automatic voltage compensation, stable cutting current and steady arc;3. Compact structure, portable, ... energy saving, easy for maintenance4. Intensive arc, high cutting speed, narrow and smooth kerf, continuous current regulation, ... range20-120 AOutput voltage range88-108 VDuty cycle60%Efficiency85%Tip hole diameter2.0 mmArc striking modelTouch / UntouchCosφ ...