●Convenient nonpolar adjust of welding current, Ensure the arc stability in different welding condition. ●Be the same with all kinds of electrode for AC/DC MMA arc welding. ●Be the same with all kinds of soft steel , low and medium alloy steel. SRTUCTURE FEATRRES Item The Voltage of electrical source (V) Input capacity by rating (KVA) Noload Voltage (V) The welding current by rating(A) Current adjusting range(A) The during rating of rated load(%) Weight (Kg) ZXE1-250 380 18.5 72 250 40-200 35 98 ZXE1-315 380 23.5 76 315 50-250 35 125 ZXE1-400 380 32 76 400 65-330 35 145 ZXE1-500 380 38 76 500 80-410 35 180