Features / Description
MMA Arc 400 Inverter Welding Machine – Universal Voltage | VRD Safety | Multi-Phase Compatibility
The MMA Arc 400 is a next-generation inverter welding machine built for maximum flexibility, safety, and performance. Designed to operate across a wide voltage range of 120V to 560V, it supports 1-phase, 2-phase, and 3-phase input, making it ideal for use in diverse power environments—from workshops and construction sites to remote field operations.
Powered by IGBT inverter technology, the Arc 400 delivers stable arc performance, high efficiency, and reduced energy consumption. Its integrated Voltage Reduction Device (VRD) enhances operator safety by lowering open-circuit voltage when the machine is idle, reducing the risk of electric shock and ensuring compliance with modern safety standards.
Whether you're welding mild steel, stainless steel, or cast iron, this machine offers smooth arc ignition, deep penetration, and minimal spatter—making it a reliable choice for professionals who demand precision and durability.
⚙️ Technical Specifications
Specification | Details |
Model | MMA Arc 400 |
Technology | IGBT Inverter |
Input Voltage Range | 120V – 560V (1/2/3 Phase Compatible) |
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 & Voltage Meter |
Safety Features | VRD, Overheat, Overcurrent, Phase Protection |
Weight | Approx. 0 kg |
Dimensions (L×W×H) | ~0 × 0 × 0 mm |
Applications | Industrial Welding, Fabrication, Shipbuilding |
💡 Key Features
Universal Voltage Input (120V–560V) – Operates across multiple phase configurations
VRD Safety Feature – Reduces idle voltage for enhanced operator protection
400A Output Capacity – Handles heavy-duty welding tasks with precision
Digital Display – Real-time monitoring of current and voltage
Advanced Protection Systems – Includes thermal overload, phase failure, and overcurrent safeguards
Industrial-Grade Build – Rugged and portable for demanding 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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