GB MMA 400 GI Welding Machine – Heavy-Duty Industrial ARC Inverter Welder

The GB MMA 400 GI Welding Machine is a professional 400A MMA (Manual Metal Arc) inverter welding machine designed for heavy industrial fabrication, construction, maintenance, and structural steel applications. Built with advanced IGBT inverter technology, it delivers excellent arc stability, reduced power consumption, and reliable performance for continuous welding operations. It features a compact, lightweight design with VRD (Voltage Reduction Device) for enhanced operator safety and efficient welding performance.

Designed to operate on 3 Phase AC 415V, the MMA 400 GI provides an adjustable welding current from 20A to 400A, making it suitable for welding mild steel, carbon steel, stainless steel, and alloy steel using a wide range of coated electrodes. The machine is ideal for fabrication workshops, construction sites, shipyards, and industrial maintenance.

Features:

Brand: GB
Model: MMA 400 GI
Product Type: MMA ARC Inverter Welding Machine
Technology: Advanced IGBT Inverter Technology
Input Voltage: 3 Phase AC 415V ±15%
Frequency: 50/60Hz
Output Current Range: 20–400A
Maximum Output Current: 400A
VRD (Voltage Reduction Device) Function
Stable Arc Performance
Easy Arc Starting
Low Spatter & Smooth Welding
Compact & Lightweight Design
Energy-Saving Operation
Forced Air Cooling System
Over-Voltage, Over-Current & Overheat Protection
Suitable for Continuous Industrial Welding

Specifications:

Input Voltage: 3 Phase AC 415V ±15%
Rated Input Capacity: 18.2kVA
Rated Input Current: 17.2A
Output Current: 20–400A
No Load Voltage: 60V
Duty Cycle: 60%
Efficiency: 85%
Power Factor: 0.93
Electrode Diameter: 2.5–4.0mm
Protection Class: IP21
Insulation Class: F
Dimensions: 415 × 262 × 468mm

GB Kore MMA 400 GI Welding Machine | 400A 3 Phase IGBT MMA ARC Inverter Welder

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