Features / Description
MMA Arc 400 Inverter Technology Welding Machine
3 Phase, 415V | VRD Safety | Heavy-Duty Performance
The MMA Arc 400 is a robust and reliable inverter welding machine engineered for high-demand industrial applications. Operating on a 3-phase 415V power supply, it delivers consistent arc stability and high output efficiency, thanks to its advanced IGBT inverter technology.
This model is equipped with a Voltage Reduction Device (VRD)—a critical safety feature that reduces open-circuit voltage when the machine is idle, minimizing the risk of electric shock and ensuring compliance with modern workplace safety standards.
Designed for professional welders, the Arc 400 offers smooth arc ignition, deep penetration, and minimal spatter across a wide range of electrodes. Its rugged construction, digital display, and built-in protection systems make it a top choice for fabrication shops, shipyards, and construction sites.
⚙️ Technical Specifications
Specification | Details |
Model | MMA Arc 400 |
Technology | IGBT Inverter |
Input Voltage | 3 Phase, 415V ±10% |
Frequency | 50/60 Hz |
Rated Input Power | ~15–18 kVA |
Output Current Range | 20A – 400A |
Duty Cycle | 60% @ 400A |
No-Load Voltage | ~70V (Reduced with VRD active) |
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 Current Meter |
Safety Features | VRD, Overheat, Overcurrent, Phase Protection |
Weight | Approx. 0 kg |
Dimensions (L×W×H) | ~0 × 0 × 0 mm |
Applications | Heavy Fabrication, Industrial Welding, Shipyards |
💡 Key Features
IGBT Inverter Technology – Delivers stable arc and energy-efficient performance
VRD Safety Feature – Reduces open-circuit voltage for enhanced operator safety
400A Output Capacity – Handles heavy-duty welding tasks with ease
Digital Display – Real-time current monitoring for precision control
Built-in Protections – Includes thermal overload, phase failure, and overcurrent safeguards
Industrial Build Quality – Durable and portable for rugged environments
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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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