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Heavy Industrial ARC Welding Power Supply 1000A/1250A IGBT Module Welder from China Suppliers and Factory
Detailed Information
Areas of Application
Air carbon arc gouging does not depend on oxidation, making the process suitable for various metals. Typical application includes back gouging, removal of excess weld metal, removal of internal or surface defects, and preparation of bevel edges for welding.
The technique is used across various industries, including:
- Construction
- General repair
- Maintenance purpose
- Mining
- Metal fabrication and casting finishing
- Chemical and petroleum technology
Advantages Of Air Carbon Arc Gouging
- The process can gouge almost all common metals
- The process is five times faster than chipping
- The temperature of the area around the cut metals does not reach the maximum as the molten metal is quickly removed by air-jet after melting
Main Features
- All movements adopt the latest and mature IGBT full-bridge inverter technology.
- Special welding machine for carbon arc gouging, high power, duty cycle up to 100%.
- Soft switching IGBT inverter technology, small welding spatter and beautiful welding seam formation.
- Four IGBT modules, reliable operation.
- Acid/alkaline electrodes, stainless steel electrodes for stable welding.
- Complete undervoltage, overcurrent, overheating and other protection functions, safe and secure.
- Accurate digital display current preset, easy and intuitive operation.
- Standard three-proof design, suitable for various conventional harsh environments, simple and convenient to operate.

Working Connection Diagram
Product Parameters
| Model | ZX7-1000 | ZX7-1250 |
| Input Voltage | AC 380V | AC 380V |
| Input Frequency | 50Hz/60Hz | 50Hz/60Hz |
| Rated Input Capacity | 62.5Kva | 82.8Kva |
| Rated Input Current | 95A | 126A |
| No Load Voltage | 102V | 105V |
| Rated Output | 630A/44V | 630A/44V |
| Output Current | 30-630A | 30-630A |
| Rated Duty Cycle | 60% | 60% |
| Efficiency | 80% | 80% |
| Insulation Class | F | F |
| Shell Protection Grade | IP21S | IP21S |
| Suggested Electrode Max. | Φ2.5-6.0mm | Φ2.5-6.0mm |
| Dimensions | 680* 365* 960mm | 680* 365* 960mm |
| Weight | 87Kg | 87Kg |
Installation Attentions
- Input voltage: 380V AC±10% 50/60Hz
- Input cable: ≥16mm²
- Power switch: 150A
- Output cable: Dual 50 mm² length: ≦50m
- Ambient temperature: -10℃~+40℃
- Usage condition: No blocked on air inlet & outlet. No sunlight exposure. Pay attention to dust prevention.
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 (FAQ)
Q1: Which metals can be processed with air carbon arc gouging?
A1: Since the process does not depend on oxidation, it can be used on almost all common metals, including carbon steel, stainless steel, cast iron, copper, and aluminum.
Q2: What is the main advantage of mature IGBT inverter technology in these machines?
A2: IGBT full-bridge inverter technology ensures high reliability, energy efficiency, a high duty cycle (up to 100%), and stable welding/gouging outputs with minimal spatter.
Q3: How much faster is air carbon arc gouging compared to manual chipping?
A3: The air carbon arc gouging process is approximately five times faster than traditional mechanical chipping, significantly reducing labor time.
Q4: What are the input voltage requirements for installing the ZX7 series?
A4: The installation requires a 380V AC±10% 50/60Hz input voltage, a power switch rated at 150A, and an input cable size of at least 16mm².
Q5: What protective functions are built into these machines?
A5: The machine includes complete automatic protection features for safety, including undervoltage, overcurrent, and overheating safeguards.
Q6: What type of electrodes are recommended for stable welding operations?
A6: The machine supports both acid/alkaline electrodes and stainless steel electrodes, ensuring stable performance across different materials.



