The Rossi MMA-250P is an ultra-portable MMA iGBT inverter welder with serious power that defies belief. It features ROSSI's Semi-Zener iGBT DC inverter technology with an instant start, deep penetration and a quality smooth weld finish. Compact and performance driven, this unit is capable of running up to a 4mm rod, flowing layered soft fusion with perfect stability of the arc. This highly efficient 'go anywhere' stick welder is adjustable from 20-250A producing flawless results - even with sheet metal. It features a convenient digital LCD display, on-the-fly current control, a shoulder strap and a range of accessories. The MMA-250P is the perfect solution for no-fuss, precision welding wherever it needs to be done. The benefit of ROSSI's Semi-Zener Inverter technology is continuous current rectification. This allows for improved efficiency with power conversion exceeding 85%. The entire range of Rossi welders feature Inverter technology meaning they are significantly lighter, more compact and easier to use than ever. Whether you're using it at home, the workshop or onsite, the MMA-250P will give you a quality weld every time. 20 - 250 Amp current range Semi-Zener inverter technology Latest super stable DC inverter technology Smoothly runs a wide range of rods - up to 4mm Industry standard DIN sockets Ultra-portable - Only 4kg Genuine Rossi quality EMC and C-tick approval