Advanced Technology Igbt inverter 300A arc welding machine (3-Phase) with wide voltage input 160v-250v , welding rod suitable: 1.6 to 6 MM; anti-sticking preventing against over loading the unit easy removal of the electrode thermostatic control, fan cooled carrying strap It has compact design , portable, highly effective, low consumption, energy saving, with strong compensation capability small size, light weight, energy saving & no noise.