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Created on 06.13
ZX7-318K Inverter DC MMA Welding Machine 220V/380V Dual Voltage Portable Welder
The ZX7-318K Inverter DC MMA Welding Machine is a newly upgraded portable arc welding equipment, adopting advanced IGBT single-tube multi-board main circuit design. With reliable performance, strong power and wide voltage compatibility, this mini inverter welder perfectly solves the problem of unstable power supply in different working sites. It supports 220V single-phase, 380V single-phase and 380V three-phase universal voltage, greatly improving site adaptability. Lightweight and compact, it is the preferred equipment for mobile operation, outdoor engineering and high-altitude welding work.
Core Selling Points
This DC MMA welding machine adopts mature IGBT single-tube circuit technology, with safe and stable overall operation. The mini body contains strong welding power, realizing small size and high efficiency. Dual wide voltage design makes it adaptable to various power environments. Equipped with complete safety protection and high-speed heat dissipation system, the machine features long service life and stable welding effect, meeting various daily and industrial welding demands.
Technical Functional Characteristics
1. Advanced IGBT Multi-board Design
Adopts IGBT single-tube multi-board structure, which optimizes the internal circuit layout. The equipment is small in size but powerful in output, with low failure rate and more stable continuous welding performance.
2. Wide Universal Voltage Compatibility Supports multiple voltage modes including 220V single-phase, 380V single-phase and 380V three-phase. It can adapt to different industrial and household power environments without additional modification, highly flexible for various working sites.
3. Multiple Safety Protection Functions Built-in overheating, over-current, over-voltage and under-voltage multi-protection system. It can automatically identify abnormal power supply and working status, effectively protect the machine circuit and core components, and extend equipment service life.
4. Efficient Heat Dissipation System Equipped with full-channel high-speed cooling fan, which accelerates internal air circulation, quickly takes away working heat, effectively avoids high-temperature burnout during long-time continuous welding, and improves continuous working capacity.
5. Stable Welding Performance: The output welding current is stable with high working efficiency and strong penetration. The welding seam is smooth and beautiful, with less splashing, effectively improving welding quality and construction efficiency.
6. Portable & Flexible Operation: Compact and lightweight body design, easy to carry and move. It is very suitable for mobile construction, outdoor engineering, high-altitude operation, and complex site welding work.
Technical Parameters
- Product Model: ZX7-318K
- Welding Type: Inverter DC MMA Welding Machine
- Input Power Voltage: 220V / 380V
- Input Rated Power: 5.5KVA
- No-Load Voltage: 70V-80V
- Output Working Voltage: 20V-27.2V
- Output Current Range: 20A-180A
- Insulation Grade: F
- Ingress Protection Rating: IP21S
- Rated Duty Cycle: 60%
- Net Weight: 5.1KG
- Dimensions: 307*157*265mm
- Applicable Electrode Size: Φ2.5mm – Φ4.0mm
Main Functions
✅ Portable Lightweight Design
✅ Air Cooling System
✅ 220V/380V Dual Voltage Universal
✅ Stable DC Output
✅ Intelligent Temperature Control Protection
✅ Suitable for Multi-Scenario Welding
Usage Precautions
1. Input power cable specification: 4mm²
2. Output welding cable specification: 16-25mm²
3. Matching distribution switch: 40A
4. Working ambient temperature: -10℃ ~ +40℃
5. Operation standard: The ground wire and power cable must be correctly connected before use to ensure construction safety.
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