Small size, light weight only 5 kg, current output 200A/240A; multiple protections to ensure the reliability of the welding machine, the first relay switching protection design; high load duration, can burn 4.0 electrodes, support 3.2 electrodes for long-term welding; wide voltage , support 130V to 510V grid access. Strong anti-grid fluctuation ability, suitable for power supply of generators above 10KW.