• Capable of Filling Extra Large Gap between Thin Plates

  • Smooth Welding in Full Range of Current

  • Unique Pulse Arc Length Control Technology

  • Unique Arc Ignition and Crater Technology

  • Suitable for Thick Plate Welding


Welding Power Source YD-350GL4 YD-500GL4
Power Control Method IGBT Inverter Type
Rated Input Voltage 3-phase AC  380V
Rated Input Frequency Hz 50/60
Rated Input kVA/ kW 17.6/13.5 29.9/23.9
Output Characteristic CV (Constant Voltage)
Rated Output Current A DC 350 Pulse OFF: DC 500
Pulse ON: DC 400
Rated Output Voltage V 31.5 39
Rated Duty Cycle % 60
Rated Output no-load Voltage V DC 80
Output Current Adjustable Range A DC 4-430 Pulse OFF: DC 60-500
Pulse ON: DC 60-400
Output Voltage Adjustable Range V 16-35.5 Pulse OFF: 17-39
Pulse ON: DC 17-34
Method of Welding Individual/Unitary
Enclosure Protection Class IP23S
Insulation Grade Main Transformer 155°C (F Class)
Reactor 200°C
EMC Class A Class
Cooling Mode Air Forced AF
Applicable Welding Wire Type Solid/FCW
Applicable wire size (diameter) mm Solid 0.8/1.0/1.2/1.4/1.6
mm FCW carbon steel 1.2/1.4/1.6
FCW Stainless Steel 1.2/1.6
Applicable wire material Mild Steel (MS)
Mild Steel Flux Cored (MS_FCW)
Stainless Steel (SUS)
Stainless Steel Flux Cored (SUS_FCW)
Memory 100 Channels of welding parameters
Sequence Welding/ Welding-crater/ Initial-welding-crater/Tack Welding
Shielding Gas CO2 Gas, MAG Gas, MIG Gas
Gas Check Time s 60
Pre-flow Time s 0-5.0 continuous (0.1s increment)
Post-flow Time s 0-5.0 continuous (0.1s increment)
Tack Welding Time s 0.3-10.0 continuous (0.1s increment)
Dimension (L x W x H) mm 692 x 380 x 612 772 x 380 x 612
Weight kg 68 75
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