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China-Inverter-Arc-MOS-Welder-ARC300-
**MMA Arc Welding Machine: MMA-120/160/180/200/300S/300**
1. **Portable, user-friendly, cost-effective, and durable** – This MMA welding machine is designed for easy handling and long-term use, making it ideal for both professionals and DIY users.
2. **Excellent performance with automatic voltage compensation** – The machine ensures stable output even when the power supply fluctuates, delivering consistent welding results.
3. **Stable arc and deep penetration** – It provides a smooth and controlled arc, resulting in a perfect weld shape and strong joint strength.
4. **Versatile application** – Suitable for welding stainless steel sheets, hardware, and various metal components. It can handle different types of electrodes, including acidic and basic ones.
5. **Advanced inverter technology** – The machine uses modern inverter design, which reduces energy consumption and improves efficiency.
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**Key Features:**
1. **Winter protection (for Eastern Europe)** – Operates efficiently at temperatures as low as -40°C, ensuring reliability in harsh climates.
2. **High-quality service guarantee** – If the failure rate exceeds 3% during normal operation, the factory covers all costs, including parts and labor.
3. **14-month warranty + lifetime maintenance** – We offer long-term support to ensure your welding machine remains in top condition.
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**Standard Accessories:**
- 200A Electrode holder *1, 8M
- 200A Earth clamp *1, 2M
- 16MM² copper-aluminum cable
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**Why Choose Us?**
If you're looking for a reliable supplier of welding machines, you may find it challenging to choose among many options. Some suppliers may charge high prices or offer poor after-sales support. At Donsun, we have over 22 years of experience in welding and cutting equipment, ensuring stable quality and competitive pricing.
We specialize in a complete range of products, including inverter welding machines, AC transformer welding machines, inverter cutting machines, and CNC cutting machines. Our team offers professional product consultation, customized solutions, and excellent post-sale service to meet your needs.
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**Main Parameters:**
| Parameter / Model | ARC300S(MOS) | ARC300(MOS) | ARC300ST(MOS) | ARC315(MOS) | ARC400(MOS) |
|-------------------|--------------|-------------|----------------|-------------|-------------|
| Input Voltage | AC 220V±15% | AC 380V±15% | AC 220V/380V±15% | AC 380V±15% | AC 380V±15% |
| Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Rated Input Current | 55.2 A | 21 A | 30/18 A | 19.7 A | 27.6 A |
| No-load Voltage | 59 V | 60 V | 70 V | 59 V | 59 V |
| Output Current Range | 30–300 A | 30–300 A | 30–300 A | 30–315 A | 40–400 A |
| Rated Output Voltage | 32 V | 32 V | 32 V | 32.6 V | 36 V |
| Duty Cycle | 60% | 60% | 60% | 60% | 60% |
| No-load Loss | 80 W | 80 W | 60 W | 80 W | 80 W |
| Efficiency | 80% | 85% | 80% | 85% | 85% |
| Power Factor | 0.73 | 0.93 | 0.73 | 0.93 | 0.93 |
| Insulation Grade | F | F | F | F | F |
| Housing Protection Grade | IP21 | IP21 | IP21 | IP21 | IP21 |
| Net Weight | 17.5 kg | 17.5 kg | 18 kg | 19.5 kg | 26.5 kg |
| Dimensions | 480×204×303 mm | 480×204×303 mm | 505×203×375 mm | 450×299×232 mm | 565×306×432 mm |
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Whether you're a professional welder or a hobbyist, our MMA arc welding machines are built to last, perform well, and deliver outstanding value. Contact us today to find the right model for your needs!