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China IGBT 220 AMP Inverter Portable ARC/MMA Welding Machine - Reliable Suppliers and Factory Solution
Detailed Information
Manual welding has the characteristics of easy operation, flexibility and strong adaptability. No auxiliary gas protection is required, and it has strong wind resistance. Suitable for welding of various steel materials, different angles, different positions and different structures. It is especially suitable for irregular, short, upward, high-altitude and narrow welds, with flexible and unrestricted operation.
Due to the high arc temperature, fast welding speed and extremely small heat-affected zone, the welding quality is excellent and the welded joint has ideal mechanical properties. In addition, with the continuous improvement of welding rods and electric welding machines, the mechanical properties of commonly used low carbon steel and low alloy steel structural welds can be effectively managed to meet the strength requirements of the base metal. By improving the technical level of welders and improving process measures, welding defects can be overcome within a certain range.
Manual arc welding can effectively disperse stress and control deformation. In all welded structures, thermal stresses lead to welding residual stresses and distortion. This problem becomes more obvious for welds with complex shapes, long lengths and large workpieces. Manual arc welding can reduce deformation and enhance stress distribution through process adjustments such as jump welding, reverse segment welding, and symmetrical welding.
The device is uncomplicated and easy to use and maintain. Whether it is an AC welder or a DC welder, welders can easily master its operation, find it reliable, and easily maintain it. They are not as complex as the equipment used in submerged arc and electroslag welding.
Main Features
- All operations utilize the latest and most sophisticated IGBT full-bridge inverter technology.
- Quickly identify 180-240V power supply voltage function, same power output.
- Acid or alkaline electrodes as well as stainless steel electrodes ensure stable welding.
- Comprehensive protection functions such as under-voltage, over-current, and over-heating ensure safety and peace of mind.
- It integrates thermal arc and thrust force and is suitable for welding acidic and alkaline materials, as well as welding 100-meter cables.
- Compatible with generators, suitable for use with Φ2.5-4.0 welding rods, with reliable performance and stable output.
- Standard three-proof design, suitable for various typical harsh environments, easy and convenient to operate.
- Application areas: hardware processing / decoration / outdoor installation / building construction and other civil fields.

Working Connection Diagram
Product Parameters
| Model | ZX7-308K | ZX7-418K | ||
| Type | IGBT | IGBT | ||
| Rated Input Voltage | 220V | 380V | 220V | 380V |
| Rated Input Power | 6.6Kva | 8.8Kva | 8.8Kva | 11.7Kva |
| No Load Voltage | 72V | 62V | 72V | 62V |
| Rated Output | 160A/27.6V | 220A/28.8V | ||
| Output Current | 30-160A | 30-220A | ||
| Rated Duty Cycle | 40% | 40% | ||
| Efficiency | 80% | 80% | ||
| Insulation Class | F | F | ||
| Shell Protection Grade | IP21S | IP21S | ||
| Suggested Electrode Max. | Φ2.5-4.0 | Φ2.5-4.0 | ||
| Dimensions | 29*15.5*28cm | 29*15.5*28cm | ||
| Weight | 5.0Kg | 5.2Kg | ||
Installation Attentions
- Input voltage: AC180-240V 50/60Hz
- Input cable: 4mm², length < 3m
- Output cable: 16-25mm²
- 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
What are the main advantages of manual arc welding?
Manual welding features easy operation, high flexibility, and strong adaptability. It requires no auxiliary gas protection and has strong wind resistance, making it ideal for irregular, short, upward, high-altitude, and narrow welds.
What technology is utilized in the ZX7 series welding machines?
The ZX7 series machines utilize the latest and most sophisticated IGBT full-bridge inverter technology, ensuring reliable performance and stable output.
What types of electrodes can be used with this welding equipment?
The machine is suitable for both acid and alkaline electrodes, as well as stainless steel electrodes. The suggested maximum electrode diameter is Φ2.5-4.0.
What safety protections are integrated into the device?
It features comprehensive built-in protection functions including under-voltage, over-current, and over-heating protection to ensure safe operations.
What are the installation requirements and ambient conditions?
The machine operates on an input voltage of AC180-240V (50/60Hz) with an input cable of 4mm² (length < 3m). It requires ambient temperatures between -10℃ and +40℃ under well-ventilated conditions protected from dust, moisture, and water.
Is this welding machine compatible with generators?
Yes, the machine is fully compatible with generators and delivers stable power output even in remote civil fields or outdoor installations.




