... durability-Adopts tap transformer, forced air cooling structure-Suitable for welding median small workpieces-220V/380V input connection, with switch to ... adjust output voltage, easy to operate and adjust-Suitable for welding low carbon steel, low alloy steel structure-Compact, light, ... Regulation Range60-16075-20080-25090-300Rated Duty Cycle(%)20202020Referenced Welding Rod Dia(mm)2~ 3.22~42.5~ 52.5~6 ...