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**Product Specifications**
- **Model No.:** ZX7
- **Input Voltage:** 380V 50/60Hz
- **Main Parameters (Units/Main Models ZX7-2):** 60%
- **Trademark:** DuroWelder
- **Transport Package:** Angle Iron Frame and Human Made Wooden Sheet Box
- **Specification:** 505×203×375mm
- **Origin:** USA and China
- **HS Code:** 8515900000
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**Product Description**
The DuroWelder ZX7 series is designed with an excellent dust-proof internal structure, ensuring long-term performance and reliability. It features advanced protection functions against over-voltage, under-voltage, overheating, and short-phase issues, which help to ensure equipment safety and minimize operational problems.
This welding machine delivers a stable arc, high-quality weld seams, minimal spatter, and an excellent thrust compensation function. It is suitable for a wide range of acidic and alkaline welding rods, making it ideal for welding carbon steel, stainless steel, low alloy steel, and other metals.
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**Main Technical Parameters**
| Main Parameters | Units | ZX7-250 | ZX7-300 | ZX7-400 |
|-----------------------------|-------|---------|---------|---------|
| Input Voltage | V/Hz | 380V 50/60Hz | 380V 50/60Hz | 380V 50/60Hz |
| Rated Input Capacity | KVA | 9.4 | 12 | 18 |
| No Load Voltage | V | 66 | 77 | 68 |
| Output Current | A | 20–250 | 20–300 | 20–400 |
| Output Voltage | V | 30 | 32 | 36 |
| No Load Power Consumption | W | 60 | 60 | 100 |
| Rated Duty Cycle | % | 60 | 60 | 60 |
| Max Diameter of Welding Rod | mm | 4 | 4 | 5 |
| Protection Grade | - | IP21 | IP21 | IP21 |
| Insulation Grade | - | F | F | F |
| Net Weight | kg | 18 | 18 | 27 |
| Dimensions (L×W×H) | mm | 505×203×375 | 505×203×375 | 565×306×502 |
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**Mobile:** +86 13424146368
September 03, 2025