... the output stability; with arc current and thrust current, arc welding easy, non-stick electrode, more conducive to all-position ... stainless steel, non-ferrous metals, suitable for various grades of welding electrodes; has unique features carbon arc gouging; modular devices, performance more ... and reliable. ZX5-250, 400,630,800-type arc welding rectifiers Note: The grid voltage fluctuation ± 10%, the ...