Double IGBT Inverter Welding Machine
MMA Arc VRD Welding Machine

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

💡 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