The 3 phase 400 ampere Heavy duty DC MMA welding machine rectifier .
MMA 400 i is light weight, heavy duty welding machine suitable for continuos working with gauge 12, 10, 8 and 6 number welding electrodes with suitable welding cables that can extend up yo 50 meters. MMA 4001 is capable of welding both stainless steel (SS) and Mild steel (MS) with the finish minimum spatter.