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**Product Specifications**
- **Model No.:** ZX7
- **Input Voltage:** 380V 50/60Hz
- **Main Parameters (ZX7-2):** 60%
- **Trademark:** DuroWelder
- **Transport Package:** Angle Iron Frame and Human-Made Wooden Sheet Box
- **Specification:** 505×203×375 mm
- **Origin:** USA and China
- **HS Code:** 8515900000
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**Product Description**
The DuroWelder ZX7 series is a high-performance welding power source designed for professional use. It features an excellent dust-proof internal structure, ensuring long-lasting performance in harsh environments. The unit includes built-in protection functions against over-voltage, under-voltage, overheating, and phase imbalance, which help ensure equipment safety and reduce operational issues.
It delivers a stable welding arc with a clean weld seam, minimal spatter, and an excellent thrust compensation system. This makes it ideal for use with various types of acidic and alkaline welding rods. It is especially suitable for welding carbon steel, stainless steel, low-alloy steel, and other metals.
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**Main Parameters Table**
| 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 x W x H) | mm | 505×203×375 | 505×203×375 | 565×306×502 |
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If you want to know more information about our products, please feel free to contact me!
**Mobile:** +86 134 2414 6368
**Email:** info@durowelder.com
**Website:** www.durowelder.com
We are committed to providing top-quality welding solutions tailored to your needs. Whether you're a professional welder or a small business owner, we have the right product for you. Don’t hesitate to reach out for more details or to place an order today!
September 03, 2025