270Amp IGBT Dual Module Inverter ARC Welding Machine - China Suppliers Factory Quality Full-Bridge Design
Detailed Information
To ensure safety, regular inspections must be carried out by professionals. Regular inspection must be carried out after the power supply of the distribution box and the unit are turned off to avoid causing electric shock, burns and other personal injuries. Because of the capacitor discharge, it is necessary to cut off the power supply of the welder and wait for 5 minutes before inspection.
All maintenance and repair work must be done with the power completely disconnected. Please make sure the power is unplugged before opening the housing. When the welder is energized, keep your hands, hair and tools away from the live parts inside such as fan in case of personal injury or damaging the welder.
Main Features
- All movements adopt the latest and mature IGBT full-bridge inverter technology.
- With thermal arc starting function, arc starting is more efficient.
- Dual IGBT module, reliable operation performance.
- Acid/alkaline electrodes, stainless steel electrodes for stable welding.
- Complete undervoltage, overcurrent, overheating and other protection functions, safe and secure.
- The thrust current is continuously adjustable, effectively solving the problems of sticking welding rod and arc interruption.
- 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 | ZX7-400 |
| Input Voltage | AC 380V |
| Input Frequency | 50Hz/60Hz |
| Rated Input Capacity | 12Kva |
| Rated Input Current | 18A |
| No Load Voltage | 65V |
| Rated Output | 295A/31.8V |
| Output Current Range | 30-400A |
| Rated Duty Cycle | 50% |
| Efficiency | 90% |
| Insulation Class | F |
| Shell Protection Grade | IP21S |
| Suggested Electrode Max. | Φ2.5-5.0mm |
| Dimensions | 498*280*413mm |
| Weight | 11.7KG |
Installation Attentions
- Input voltage: 380V AC±10% 50/60Hz
- Input cable: 6mm², length ≤ 3m
- Power switch: 63A
- Output cable: 50mm², length ≤ 20m
- Ambient temperature: -10℃ ~ +40℃
- Usage condition: No blockage 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
You must wait at least 5 minutes after cutting off the power supply before performing any inspection to allow the capacitors to discharge fully and prevent electric shock.
The machine requires an input voltage of AC 380V ±10% at a frequency of 50Hz/60Hz, with a recommended power switch capacity of 63A.
This welder is highly compatible with acid/alkaline electrodes and stainless steel electrodes, with a suggested maximum electrode size ranging from Φ2.5mm to 5.0mm.
The ZX7-400 is equipped with complete built-in protection functions including undervoltage, overcurrent, and overheating protection to ensure safe and secure operation.
The ambient operating temperature should be between -10°C and +40°C. The welder must be kept away from direct sunlight exposure, with air inlets and outlets completely unblocked, and adequate dust prevention measures in place.
It utilizes mature IGBT full-bridge inverter technology and dual IGBT modules, which provide stable welding performance, high efficiency, and reliable operation even under heavy work cycles.