| Product Model | Welding Machine Name | Core Selling Point |
| ZX7-318K | Inverter DC MMA Welding Machine | IGBT single tube, main circuit design, safe and reliable; dual-voltage 220V/380V compatible |
| Product Model | Technical Features |
| ZX7-318K | 1. IGBT single tube multi-board design, small body with huge power 2. Universal voltage compatible: 220V single-phase, 380V single-phase, 380V three-phase 3. Multiple protections: over-heat, over-current, over-voltage, under-voltage 4. Full-duct high-speed fan for enhanced heat dissipation 5. Stable welding current, high efficiency, deep penetration 6. Compact size, suitable for mobile and high-altitude welding |
| Parameter | ZX7-318K |
| Input Power Voltage | 220V 380V |
| Input Rated Current | 5.5KVA |
| No-Load Voltage | 70V-80V |
| Output No-Load Voltage | 20V-27.2V |
| Output Current Range | 20A-180A |
| Insulation Grade | F |
| Ingress Protection Rating | IP21S |
| Rated Duty Cycle | 60% |
| Weight | 5.1KG |
| Dimensions | 307*157*265mm |
| Applicable Electrode Size | Φ2.5 – Φ4.0 |
| Other Functions | ✅Portable ✅Air-Cooled ✅3 Phase ✅DC Output ✅Temperature Control |
- Input Power Cable: 4mm²
- Output Cable Specification: 16-25mm²
- Power Distribution Switch: 40A
- Ambient Temperature: -10℃ ~ +40℃
- Usage Notice: Must connect ground wire and power cable correctly before use