Features / Description
MMA Arc 400 Inverter Welding Machine - Double IGBT Welding Machine
VRD Inverter, 3 Phase, 380V | Heavy-Duty & Safe Welding Solution
The MMA Arc 400 Double IGBT Welding Machine is a high-performance inverter-based welding solution built for rugged industrial environments. Engineered with dual IGBT modules and VRD (Voltage Reduction Device) technology, it offers superior arc stability, energy efficiency, and enhanced operator safety.
Operating on a 3-phase 380V input, this machine delivers a powerful output of up to 400A, making it ideal for heavy-duty welding applications such as fabrication, construction, shipbuilding, and maintenance. The VRD feature ensures reduced open-circuit voltage when idle, minimizing the risk of electric shock—especially in damp or hazardous conditions.
Its robust design, digital control interface, and wide electrode compatibility make it a reliable choice for professionals who demand precision, durability, and safety in their welding operations.
⚙️ Technical Specifications
Specification | Details |
Model | MMA Arc 400 Double IGBT |
Technology | Dual IGBT Inverter |
Input Voltage | 3 Phase, 380V ±10% |
Frequency | 50/60 Hz |
Rated Input Power | ~20–25 kVA |
Output Current Range | 40A – 400A |
Duty Cycle | 60% @ 400A |
No-Load Voltage | ~65V (Reduced with VRD) |
Welding Process | MMA (Manual Metal Arc / Stick Welding) |
Electrode Diameter Supported | 2.5 mm – 3.15 mm |
Cooling System | Forced Air Cooling |
Efficiency | ≥85% |
Power Factor | ≥0.93 |
Display | Digital meters for current and voltage |
Protection Features | Overheat, Overcurrent, Phase Loss, VRD Safety |
Weight | Approx. 0 kg |
Dimensions (L×W×H) | ~0 × 0 × 0 mm |
Applications | Structural Welding, Industrial Fabrication, Shipbuilding, Maintenance Work |
💡 Key Features
Dual IGBT Technology – Enhanced arc stability and energy efficiency
VRD Safety Feature – Reduces open-circuit voltage for operator protection
Heavy-Duty Output – Up to 400A for demanding welding tasks
Digital Control Panel – Real-time monitoring and precise adjustments
Industrial Build Quality – Rugged design for long-term durability
Wide Electrode Compatibility – Supports multiple electrode sizes for versatile welding
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Welding Machine with Inverter Technology with IGBT or MOSFET for efficient power conversion, energy-saving, stability and light weight
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