GB TIG 300A 3 Phase Welding Machine – Heavy-Duty Industrial TIG & MMA Welder

The GB TIG 300A 3 Phase Welding Machine is a professional-grade inverter welding machine designed for DC TIG (GTAW) and MMA (Stick) welding applications. Built with advanced IGBT inverter technology, it delivers stable arc performance, high efficiency, and reliable operation for heavy-duty fabrication, engineering, maintenance, and industrial manufacturing.

Operating on a 3 Phase 380–415V AC power supply, the TIG 300A offers an adjustable output current of 20–300A, making it suitable for welding stainless steel, carbon steel, mild steel, alloy steel, copper, and titanium. The machine features High-Frequency (HF) arc starting, adjustable arc force for MMA welding, forced-air cooling, and multiple protection systems for safe and continuous operation.

Features:

Brand: GB
Model: TIG 300A
Product Type: DC TIG & MMA Inverter Welding Machine
Technology: Advanced IGBT Inverter
Input Voltage: 3 Phase AC 380–415V ±15%
Frequency: 50/60Hz
Output Current Range: 20–300A
Welding Processes: DC TIG & MMA (Stick)
HF (High Frequency) Arc Start
Adjustable Arc Force (MMA)
Stable arc with low spatter
Digital current display
Forced air cooling system
Over-voltage, over-current & overheat protection
Energy-efficient inverter technology
Suitable for continuous industrial operation

Specifications:

Input Voltage: 3 Phase AC 380–415V ±15%
Output Current: 20–300A
No Load Voltage: 54V
Rated Working Voltage: 22V
Duty Cycle: 60%
Efficiency: 85%
Power Factor: 0.93
Insulation Class: F
Protection Class: IP21S
Cooling Method: Forced Air Cooling
Dimensions: 480 × 204 × 303mm

Applications:

Stainless steel fabrication
Mild steel welding
Carbon steel fabrication
Alloy steel welding
Copper and titanium welding
Industrial fabrication
Pressure vessel manufacturing
Pipeline fabrication
Workshop maintenance
Heavy engineering industries

GB Kore TIG 300A 3 Phase Welding Machine | 300A IGBT TIG & MMA Inverter Welder

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