Special feature: Feed back circuit is controlled by advanced IGBT technology ,output current is stable Use no-touched pilot arc-starting, and plasma arc can be started within short time Thick metal plate can be cut easily and quickly Suit for cutting stainless steel copper iron, and aluminum metal Simple operation and smooth cutting surface Main technical parameter: Input power voltage/frequency: 380V AC 50/60Hz Rated input power capacity: 20kVA Rated output current: 120A Rated duty cycle: 60% Output current range: 30 to 120A Rated no-load voltage: 270V Arc-starting: pilot arc Hold-self function Weight: 50kg External dimensions: 315 x 665 x 570mm Cutting thickness: 30mm (40mm)