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Two Working Station IGBT Module Inverter ARC Welding Machine - 315Amp, 380V Three Phase from China Suppliers & Factory
Detailed Information
With two working stations, this welding machine allows for simultaneous welding operations, doubling the productivity and reducing the overall welding time. This means you can complete more projects in less time, increasing your output and profitability.
Equipped with advanced safety features, the machine prioritizes the well-being of the operator, providing a secure and reliable working environment. The ergonomic design and user-friendly interface make it easy to operate, reducing the risk of accidents and ensuring a smooth and efficient workflow.
Whether you are a professional welder, a fabrication shop, or a manufacturing facility, our two working station manual welding machine is the perfect addition to your arsenal of tools. It will streamline your welding processes, increase productivity, and elevate the quality of your work.
Main Features
- All movements adopt the latest and mature IGBT full-bridge inverter technology.
- Acid/alkaline electrodes, stainless steel electrodes for stable welding.
- Complete undervoltage, overcurrent, overheating and other protection functions, safe and secure.
- Standard three-proof design, suitable for various conventional harsh environments, simple and convenient to operate.
- Application areas: hardware processing / decoration / outdoor installation / building construction and other civil fields.

Working Connection Diagram
Product Parameters
| Model | ZX7-630 Two Stations |
| Input Voltage | AC 380V |
| Input Frequency | 50Hz/60Hz |
| Rated Input Capacity | 28Kva |
| Rated Input Current | 20A*2 |
| No Load Voltage | 71V |
| Rated Output | 300A/32V*2 |
| Output Current | 30-300A*2 |
| Rated Duty Cycle | 40% |
| Efficiency | 80% |
| Insulation Class | F |
| Shell Protection Grade | IP21S |
| Suggested Electrode Max. | Φ2.5-5.0mm |
| Dimensions | 560*305*530mm |
| Weight | 28Kg |
Installation Attentions
- Input voltage: 380V AC±10%, 50/60Hz
- Input cable: ≥16mm²
- Output cable: 50mm²
- Ambient temperature: -10℃~+40℃
- Usage condition: Good ventilation conditions, pay attention to dust, moisture and waterproofing.
Standard Accessories

1x Electrode Holder

1x Ground Clamp

1x Welding Mask

1x Brush/Hammer
Optional Accessories

Welding Helmet

Welding Gloves

Electrodes E6013

Lift TIG Torch
Frequently Asked Questions
How does the two working stations design benefit my productivity?
The dual working stations allow two operators to weld simultaneously on one machine. This setup effectively doubles your welding productivity, cuts down overall project times, and optimizes workforce efficiency.
What type of inverter technology does this welding machine use?
The machine is powered by mature IGBT full-bridge inverter technology, which ensures stable current output, energy savings, and reliable performance even under heavy-duty operations.
What are the power supply and cable requirements for installation?
It requires an input voltage of AC 380V ±10% at 50/60Hz. For safe and efficient operations, we recommend using an input cable size of ≥16mm² and an output cable size of 50mm².
Which electrodes are compatible with the ZX7-630 welding machine?
This machine supports stable welding using acid, alkaline, and stainless steel electrodes. The suggested maximum electrode diameter range is Φ2.5-5.0mm.
Can this machine be operated safely in harsh environments?
Yes. It features a standard three-proof design (dustproof, moisture-proof, and waterproof) and operates within a temperature range of -10℃ to +40℃, making it suitable for civil sites and outdoor installations.
What built-in safety protections are integrated into the machine?
The machine is equipped with comprehensive automatic safety features, including undervoltage, overcurrent, and overheating protection to keep operators secure and prevent equipment damage.


