MMA-315 welding machine adopts portable design, easy to carry and use. He rated input power capacity of the welding machine is 43(single-phase AC220V) / 27.5(single-phase AC380V), suitable for different power supply environment. output current adjustment range is 20-300A, to meet different welding requirements. The external dimension of welding machine is 450x210x330, suitable for all kinds of working spac