Inverter DC ARC Welder,160 amp IGBT welder High duty cycle ,stable arc,energy saving,economical INVERTER TECHNOLOGY ,OEM A. Function and features1. IGBTAdvanced control ... welding procedure in a maximum way2. Adopted advanced full-bridge inverter technology of module 3. Easy for arc starting, little ... Year Warranty. 3. Technical Support. 4. CCC certificate ARC-200I IGBT Inverter DC IGBT ARC Welder