TIG 400
The TIG 400 is a robust, industrial-grade TIG/MMA welding machine designed for high-duty operations in structural fabrication, pipeline welding, and pressure vessel applications. Equipped with advanced IGBT inverter technology, this machine delivers seamless arc starts using high-frequency ignition and provides complete control through adjustable arc force, up/down slope, and post-flow functions. Built for demanding environments, the TIG 400 combines performance with safety, passing the 3750V AC dielectric test and featuring intuitive controls for professional results.
Available in Pack: Single-unit pack with inverter power source, water-cooled TIG torch, and earth clamp with cable and Europlug.
Key Features
- HF TIG and MMA dual welding process
- 400A output for industrial-scale applications
- High-frequency arc start for smooth ignition
- Adjustable up slope, down slope, and arc force
- 2T/4T operation modes for short and long weld cycles
- LED display for preset current selection
- Dielectric strength tested to 3750V AC for safety
- IGBT inverter for stable arc and high efficiency
- Built to handle mild steel, stainless steel, and alloyed materials
Industries
- Pipe Welding & Installation
- Pressure Vessel Fabrication
- Structural Steel Projects
- Heavy Equipment Maintenance
- Industrial Fabrication Units
Processes
- TIG (High-Frequency Start)
- MMA (Manual Metal Arc)
Additional Details
- For optimal weld starts, use HF ignition with proper tungsten prep.
- Use slope functions for cleaner weld finish, especially at start/end points.
- Designed for 3-phase operation in continuous welding scenarios.
- Store in a cool, dry place.
- Refer TDS for more information.
Product Details
Parameter | TIG 400 |
Input Voltage | 3P – 415V ±15% |
Frequency (Hz) | 50/60 |
Rated Input Current (A) | 20.0 (TIG), 24.3 (MMA) |
Rated Input Power (kVA) | 14.38 (TIG), 17.50 (MMA) |
Output Current Range (A) | 10–400 (TIG & MMA) |
Output Voltage Range (V) | 10.4–26 (TIG), 20.4–36 (MMA) |
No-load Voltage (V) | 65 |
No-load Power Loss (W) | 100 |
Power Factor | 0.9 |
Insulation Grade | F |
Efficiency | >85% |
Housing Protection Grade | IP21 |
Weight (kg) | 25 |
Dimensions (mm) | 508 × 244 × 423 |
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