ZX7 series IGBT module inverter DC arc welding machine

  •  hand welding
  • advanced soft switch high frequency inverter,super power IGBT module
  •  thrust current and arc current adjustable respectively 
  • suitable for all kinds of acid and basic weling rods
  • stepless welding current, suitable for rod of different diameters 
  • carbon arc gouging machine applicable with current over 500A
  • self protect from damage of overvoltage, undervoltage, overflow and overload
  • Eesy arc striking, stable arc, less splash, beautiful weld forming
  • Application Scope: welding carbon steel, stainless steel, foundry and etc.


Name Unit Parameter
Voltage/Frequency V/Hz 3~380V±15%   50/60Hz
Rated input capacity KVA 20
Rated input current A 27
Power factor 0.91
Output no-load voltage V 76
Rated duty cylce % 60/40℃
Output range A 20-400
Wire diameter mm ≤Φ6
Efficiency % 85
Insulation class F
Shell protection degree I P21S
Cooling Air-cooled
Dimensions(L*W*H) mm 570*290*485
Net weight Kg 30


Welding Parameters

Base metal Slab thickness Welding rod diameter Current range
carbon steel, stainless steel, low-alloy steel 2.0-20 2.5/3.2/4.0/5.0/6.0 mm 20~400



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