SOME KEY FEATURES • Simple appearance design, small size, light weight, multilayer control circuit board and proper machine structure ensures easy maintenance. • The closed-loop control system ensures a more stable welding voltage in the case of grid voltage fluctuation and the change of arc length • An excellent arc self-regulation, and a stable welding process. • High efficiency and duty cycle with no noise from arc welding rectifier. • Simple and easy operational interface with synergic adjustment. • Less spatter and high metal deposition rate. • Nice welding bead and less deformation. • The self-locking function can greatly reduce the welder’s labour intensity when welding large-scale and long welding seam. • MMA function is designed to weld various electrodes like acid, alkaline, stainless steel, cast iron, etc with excellent performance. • With perfect protection circuit, it is safe, reliable and convenient for troubleshooting. • The machine meets IP21S protection level to ensure its reliability in harsh environment.