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TIG Inverter Welding Machine Series – MMA DC Inverter Welder (Stainless Steel Welding Equipment)
**Key Features:**
1. Compact design, lightweight, and versatile for multiple welding applications.
2. High-frequency arc starting for easy ignition, simple operation, and deep penetration.
3. MMA models come with an adjustable "arc force" function for better control.
4. Models WS (>250) include digital display for precise current settings.
5. Easy arc-starting, stable output current, fast dynamic response, and noise-free operation.
6. Produces clean weld seams with minimal sparks and excellent aesthetics.
7. Capable of welding a wide range of metals including stainless steel, alloy steel, and copper.
**Technical Specifications Table:**
| **Type** | WS-300 | WS-400 | WS-200 | WS-180A | WS-160 |
|------------------|----------|----------|----------|----------|----------|
| Input Power Voltage (V/HZ) | 380±10% 50/60 | 380±10% 50/60 | 220±15% 50/60 | 220±15% 50/60 | 220±15% 50/60 |
| No-load Voltage (V) | 60 | 68 | 43 | 56 | 43 |
| Output Current Range (A) | 20–300 | 20–400 | 10–200 | 10–180 | 10–160 |
| Rated Output Voltage (V) | 22 | 26 | 18 | 17.2 | 16.4 |
| Rated Duty Cycle (%) | 60 | 60 | 60 | 60 | 60 |
| No-load Consumption (W) | 60 | 60 | 40 | 40 | 40 |
| Efficiency (%) | 85 | 85 | 85 | 85 | 85 |
| Power Factor (COSφ) | 0.93 | 0.93 | 0.93 | 0.93 | 0.93 |
| Weight (kg) | 19 | 29 | 8 | 8 | 8 |
| MMA Current (A) | 20–230 | 20–230 | 371×155×295 | 371×155×295 | 371×155×295 |
| Insulation Class | F | F | F | F | F |
| Protection Class | IP23 | IP23 | IP23 | IP23 | IP23 |
| Post-welding Gas Blow Time (s) | 0–15 | 13.2 | 2.5/5 | 2.5/5 | 2.5/5 |
| Suitable Welding Thickness (mm) | 0.5–10 | 0.5–12 | 0.3–8 | 0.3–8 | 0.3–5 |
This series of inverter welding machines is ideal for both industrial and professional use. Designed with advanced technology, they offer high performance, energy efficiency, and user-friendly operation. Whether you're working on thin materials or heavy-duty projects, these welders provide consistent quality and reliable results. The compact and portable design makes them suitable for on-site work, while the variety of models ensures flexibility for different welding needs. With certifications like CE, ISO, CCC, and SGS, these machines meet international standards for safety and performance.