Excellent Enterprises TIG-ARC-250 Three Phase MOSFET Inverter Welding Machine
The Excellent Enterprises TIG-ARC-250 Three Phase MOSFET Inverter Welding Machine is a professional dual-process welding solution engineered for fabrication workshops, stainless steel processors, industrial maintenance teams, and precision engineering applications requiring both DC TIG welding accuracy and MMA welding versatility in one efficient machine.
Designed with advanced MOSFET inverter technology, this 250 Amp three phase TIG/MMA welding machine delivers stable arc performance, responsive output control, and dependable thermal efficiency for continuous industrial operation. Positioned strategically between compact workshop welders and heavier industrial systems, the TIG-ARC-250 offers the ideal balance of performance, process flexibility, and operational efficiency.
Its DC Lift TIG functionality enables precise, clean welding for stainless steel, carbon steel, and low alloy applications where weld finish, penetration control, and reduced spatter are critical. Simultaneously, the MMA welding mode provides robust stick welding capability for fabrication, repair, and structural maintenance applications.
The three phase power architecture ensures consistent input stability, smoother load handling, and improved performance during prolonged production cycles compared to single phase alternatives.
Technical Specifications
| Specification | Details |
|---|---|
| Product Model | TIG-ARC-250 |
| Technology | MOSFET Inverter |
| Input Voltage | AC 380V ±15% |
| Phase Type | Three Phase |
| Output Current Range | 20A – 250A |
| Welding Processes | DC TIG + MMA |
| Arc Start Type | Lift TIG Start |
| No Load Voltage | 70V |
| Duty Cycle | 60% |
| Efficiency | 85% |
| Power Factor | 0.93 |
| Electrode Compatibility | 2.5mm – 4.0mm |
| Suitable Materials | Carbon Steel, Stainless Steel, Low Alloy Steel |
| Protection Features | Overvoltage / Overcurrent / Overheat / Anti-Stick |
Industrial Performance Benefits
Precision TIG Welding Performance
MOSFET inverter switching provides fast arc response and controlled heat input, making the machine highly suitable for stainless steel fabrication, thin material welding, and precision assembly work.
Dual Process Operational Flexibility
Combines TIG precision welding with MMA stick welding capability, reducing dependency on multiple welding machines.
Stable MMA Arc Performance
Adaptive arc control ensures reliable electrode welding with smoother arc behavior, reduced sticking, and improved weld consistency.
Efficient Three Phase Power Utilization
Three phase input delivers better power stability, reduced load imbalance, and improved welding continuity in industrial environments.
Compact Industrial Design
Despite dual-process functionality, the machine remains compact and workshop-friendly for efficient space utilization.
Ideal Industrial Applications
Recommended for:
- Stainless steel fabrication
- Food processing equipment manufacturing
- Pharmaceutical plant fabrication
- Precision engineering workshops
- Pipe and tube welding
- EPC maintenance projects
- Industrial repair welding
- Structural fabrication support
- Maintenance shutdown operations
- Workshop production welding
Frequently Asked Questions (SEO Friendly)
What is the TIG-ARC-250 welding machine used for?
The TIG-ARC-250 is used for precision TIG welding and MMA welding applications including stainless steel fabrication, maintenance welding, engineering fabrication, and industrial repair work.
Is this a dual-process TIG and MMA welding machine?
Yes. The machine supports both DC Lift TIG welding and MMA stick welding, making it suitable for precision and fabrication applications.
Why choose MOSFET inverter welding technology?
MOSFET inverter technology provides fast arc response, smoother welding performance, improved electrical efficiency, compact machine design, and reliable industrial usability.
Is this suitable for stainless steel welding?
Yes. The TIG mode is particularly suitable for stainless steel fabrication, pipe welding, and precision welding applications.
Does this machine require three phase power?
Yes. The TIG-ARC-250 operates on AC 380V three phase power supply, ideal for industrial workshop environments.
Is this machine suitable for continuous industrial use?
Yes. With a 60% duty cycle and integrated protection systems, it is designed for regular professional and industrial welding operations.




