... uniform, minimum spatter, even small current welding, is not so easy in arc welding and bonding undesirable phenomenon.Grid voltage compensation ... than 100 W, as compared with conventional welding machine, to save electricity by 50%. Welding low carbon steel, high-strength steel and ... ±10%3 phase 380V±10%Current Welding RangeA10-30020-31520-40020-50030-630Thrust Welding Range1-101-101-101-101-10Rated ...