Description Series A: Mosfet Available models: A-85 and A-110 Input voltage: AC230V Duty cycle: 60% Accessories for the A-85: electrode holder 1800mm, earth clamp 1200mm, steel brush, helmet Series B: Mosfet Model: A-160 Input voltage: AC230V Duty cycle: 60% Accessories: electrode holder 1800mm, earth clamp 1200mm, steel brush, helmet Series C: Mosfet Available models: A-200 and A-250 Input voltage: AC230V Duty cycle: 60% Accessories: electrode holder 1800mm, earth clamp 1200mm, steel brush, helmet Series D: Mosfet Available models: A-300, A-315, A-400 Input voltage: AC280V Duty cycle: 60% Series E: Igbt Available models: A-140, A-200, A-225 and A-250 Input voltage: AC230V Duty cycle: 60% Accessories: electrode holder 1800mm, earth clamp 1200mm, steel brush, helmet Series F: Igbt Available models: A-300 and A-400 Input voltage: AC380V Duty cycle: 60% Series G: Igbt Welder Available models: A-400, A-500 and A-630 Input voltage: AC380V Duty cycle: 60%