dc arc hand wleder MMA-120

dc inverter MMA-120 welder
1.advanced (IGBT) inverter technology
2.perfect protection system ensure welder safety,.
dc inverter MMA-120 welder machine:
welding style: arc welding machine,carbon arc gouging,and wiping arc welding function;
using:shipyards, electical construction, installation of large steel and heavy manufacturing;

welding materials: electrodes for acidic, basic welding, stainless steel electrode for welding low carbon steel, carbon steel,alloy steel, etc
advanced inverter technology:inverter frequency up to 100KHz, the conversion efficiency of 85%, no-load loss is small;

precise control system: PWM pulse width modulator,closed loop control system to ensure the machine is stable;

excellent welding performance:
1. good thrust control functions to ensure that the weld to facilitate the penetration depth adjustment,making the welding process and adaptable;
2.characteristics of a good,little spatter, arc stability, weld pool easy to control, weld appearance;
3.weled long-term automatic compensation function, 300A welding cables above models can be extended to 50-100m;

perfect the protection system:

under voltage,over voltage,over current and over heating protection automatically,to ensure welding safety, durability and reliable