Welding manner: Manual Arc Welding Applicable Materials: Acid and basic electrode, stainless steel electrode, cast iron rod, refractory steel rod, mild steel, medium carbon steel and alloy steel. Control systerm: 1.Adopting advanced IGBT devices from SIEMENS that ensure the stable performance and high quality. 2.Adopting reactor to control drop transfer. little splash, high deposition efficiency, high productivity effect and nice welding appearance. Advanced technology:1.Strongly flexible for voltage pulsation of electricity grid 2. Has thrust current adjustment function. Melting bath is deep. 3.Small cubage, light weight, easy operation. Model ZX7-200ZX7-235ZX7-315ZX7-400ZX7-500Input voltage(V)1-220v1-220v3-380v3-380v3-380vInput capacity(KVA)6.68.812.8144.621.8No load voltage(V)5662626270Welding current(A)200235315400500Current range(A)10-20020-23520-31530-40030-500Duty cycle(%)6060606060Efficiency(%)8888888888Insulated GradeFFFFFDiameter of rod(mm)1.6-3.21.6-3.21.6-4.01.6-5.01.6-5.0