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China-Zx7-3-Phase-Serials-Inverter-DC-Arc-Welding-Machine
**ZX7 3-Phase Inverter DC Arc Welding Machine**
**Features**
1. Utilizes IGBT inverter technology with air cooling, ensuring stable and reliable performance, high efficiency, and energy savings.
2. Cost-effective design with simple and convenient operation, making it ideal for both professionals and beginners.
3. Advanced control solutions significantly enhance welding performance, meeting the demanding requirements of modern welding projects.
4. Suitable for a wide range of acid and alkaline electrodes, offering versatility in different welding applications.
5. Easy arc starting, minimal spatter, stable current output, and excellent weld appearance for superior results.
6. Equipped with overvoltage and overcurrent protection to ensure safety during operation.
**Technical Specifications**
| Model No. | ZX7-250 | ZX7-300 | ZX7-400 | ZX7-500 | ZX7-400(S) | ZX7-500(S) |
|-------------------|---------------|---------------|---------------|---------------|---------------|---------------|
| Rated Input Voltage (V) | 3 PH 380 | 3 PH 380 | 3 PH 380 | 3 PH 380 | 3 PH 380 | 3 PH 380 |
| Output Current Range (A) | 20–250 | 20–300 | 20–315 | 20–315 | 20–400 | 20–400 |
| Thrust Adjustment Range (A) | 0–140 | 0–140 | 0–140 | 0–140 | 0–140 | 0–140 |
| Floating Voltage (V) | 65±5 | 65±5 | 65±5 | 65±5 | 65±5 | 65±5 |
| Duty Cycle (%) | 60% | 60% | 60% | 60% | 60% | 60% |
| Efficiency (%) | 85 | 85 | 85 | 85 | 85 | 85 |
| Power Factor (cosφ) | 0.93 | 0.93 | 0.93 | 0.93 | 0.93 | 0.93 |
| Shell Protection Class | IP21 | IP21 | IP21 | IP21 | IP21 | IP21 |
| Insulation Class | F | F | F | F | F | F |
| Dimensions (mm) | 442×190×305 | 442×190×305 | 442×190×305 | 442×190×305 | 442×190×305 | 442×190×305 |
| Weight (kg) | 17 | 17 | 17 | 17 | 17 | 17 |
**Product Selection Guide**
- **Materials**: Low-carbon steel, stainless steel, low-alloy steel
- **Plate Thickness (mm)**: 2.0–8.0 (for ZX7-250, ZX7-300), 2.0–10 (for ZX7-400, ZX7-500), 2.0–12 (for ZX7-400(S), ZX7-500(S))
- **Electrode Diameter (mm)**: 1.6–4.0 (for most models), 1.6–5.0 (for ZX7-400(S), ZX7-500(S))
This series of inverter welding machines is designed for industrial and professional use, offering high performance, reliability, and ease of operation. Whether you're working on construction projects, automotive repairs, or manufacturing, the ZX7 series provides a powerful and efficient solution that adapts to various welding conditions. With its advanced technology and user-friendly features, this machine ensures consistent quality and productivity in any welding environment.