WELSTAR MIG+MMA 630A 380V 3P 50Hz Inverter Welding Machine
Industrial Heavy-Duty Dual-Process Welding System

? Technical Specifications

• Model: WELSTAR MM-630

• Welding Processes:
  ✅ MIG/MAG (Gas/Gasless): 50-630A
  ✅ MMA (Stick): 60-630A

• Power Input: 380V (±15%) 3-Phase 50Hz

• Rated Input Current: 48A

• Output Range:

  • MIG: 50-630A (100% @ 550A)

  • MMA: 60-630A (100% @ 500A)

• Duty Cycle:

  • 60% @ 630A

  • 100% @ 500A

• Open Circuit Voltage: 82V

• Efficiency: 88% (Advanced IGBT Inverter Tech)

• Protection Class: IP23S (Industrial Dust/Splash Proof)

• Dimensions: 650×400×600mm | Weight: 68kg

⚡ Key Features

1. Dual-Process Industrial Power

• MIG Mode:

  • Synergic Control - Auto-sets parameters for different materials

  • 4-Roller Wire Feed - Handles 1.0-1.6mm wires (steel/stainless)

  • Spray Transfer Capable - For high-deposition welding

• MMA Mode:

  • Hot Start+Arc Force - Perfect for 6.0mm+ electrodes

  • Anti-Stick Technology - Prevents electrode freezing

2. Extreme 630A Performance

• Welds 30mm+ steel plates in single passes

• Continuous operation at 500A+ for heavy fabrication

3. Industrial IGBT Inverter

• 40% Energy Savings vs transformer welders

• Auto Voltage Compensation (340V-440V range)

• Power Factor Correction (0.93 PF)

4. Professional Controls

• 7" Color Touchscreen - For parameter adjustment

• Memory Banks - Store 50+ welding programs

• Pulse Welding Function (MIG mode)

5. Heavy-Duty Construction

• 10mm Steel Chassis - Vibration-resistant

• Triple Cooling System (2 fans + heatsink)

• Copper-Aluminum Windings - For maximum durability

? Applications

✔ Shipbuilding (hull plates, structural welding)
✔ Pressure vessel fabrication (ASME certified)
✔ Mining equipment repairs (bucket teeth, crushers)
✔ Bridge construction (girders, support beams)
✔ Heavy machinery manufacturing

? Package Includes

• 1× MM-630 Main Unit

• 1× 630A MIG Torch (8m, Euro connector)

• 1× 700A Electrode Holder (6m)

• 1× 700A Ground Clamp (6m)

• 1× 4-Roller Wire Feeder

• 1× Industrial Gas Regulator

• Remote Control Pendant

?️ Safety & Compliance

• CE, IEC 60974-1, ISO 9001 Certified

? Why This Machine?

▶ True 630A Output - No inflated ratings (tests at 650A peak)
▶ 3-Phase Stability - No voltage drops during long welds
▶ MIG+MMA Versatility - Switch processes in seconds
▶ Industrial Duty Cycle - 100% @ 500A means non-stop operation

⚠️ Note: Requires 3-Phase 380V + 63A Circuit Breaker

Ideal For:

• Heavy steel fabrication shops

• Shipyard welding teams

• Mining/oilfield equipment manufacturers

• Government infrastructure projects