... industries. BX1-200F-3, BX1-250F-3, BX1-300F-3, BX1-315F-3, BX1-400F-3, BX1-500F-3, BX1-630F-3 moving iron & magnetic AC Arc welding machineCharacteristics ... current range.It is the most widely used energy saving AC arc welder, which is widely used in architecture, metallurgy, chemistry, mechanical, ship ...