Sichuan Shunyao Supply Chain Management Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | Excellent |
| Delivery Time | 5-15 Days |
| Packaging Details | Bundles |
| Input Power | 3-Phase 380V 50/60Hz |
| Input Capacity | 13.7 kW (NB-350), 24.4 kW (NB-500), 34.6 kW (NB-630) |
| Output Current | 60 - 350 A (NB-350), 60 - 500 A (NB-500), 80 - 630 A (NB-630) |
| Wire Type | Solid / Flux-cored |
| Wire Diameter | 0.8 / 1.0 / 1.2 mm (NB-350), 1.2 / 1.4 / 1.6 mm (NB-500), 1.2 / 1.6 / 2.0 mm (NB-630) |
| Plate Thickness | 1 - 10 mm (NB-350), 2 - 35 mm (NB-500), 3 - 45 mm (NB-630) |
| Cooling System | Forced Fan Cooling |
| Protection Code | IP21 |
| Machine Size | 585 x 300 x 510 mm (NB-350), 585 x 320 x 510 mm (NB-500), 635 x 320 x 530 mm (NB-630) |
| Net Weight | 41 kg (NB-350), 43 kg (NB-500), 45 kg (NB-630) |
| Brand Name | Shunyao Supply Chain |
| Certification | CE,ISO |
| Place of Origin | Chengdu , China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Excellent |
| Delivery Time | 5-15 Days | Packaging Details | Bundles |
| Input Power | 3-Phase 380V 50/60Hz | Input Capacity | 13.7 kW (NB-350), 24.4 kW (NB-500), 34.6 kW (NB-630) |
| Output Current | 60 - 350 A (NB-350), 60 - 500 A (NB-500), 80 - 630 A (NB-630) | Wire Type | Solid / Flux-cored |
| Wire Diameter | 0.8 / 1.0 / 1.2 mm (NB-350), 1.2 / 1.4 / 1.6 mm (NB-500), 1.2 / 1.6 / 2.0 mm (NB-630) | Plate Thickness | 1 - 10 mm (NB-350), 2 - 35 mm (NB-500), 3 - 45 mm (NB-630) |
| Cooling System | Forced Fan Cooling | Protection Code | IP21 |
| Machine Size | 585 x 300 x 510 mm (NB-350), 585 x 320 x 510 mm (NB-500), 635 x 320 x 530 mm (NB-630) | Net Weight | 41 kg (NB-350), 43 kg (NB-500), 45 kg (NB-630) |
| Brand Name | Shunyao Supply Chain | Certification | CE,ISO |
| Place of Origin | Chengdu , China | ||
| High Light | Stable Arc Welding MIG Welder ，30% Power Saving MIG Welder | ||
The NB Series (NB-350/500/630) is our heavy-duty, semi-automatic MIG/MAG welding power source. Designed for steel fabrication yards, shipbuilding, and heavy machinery manufacturing, this workshop workhorse welds low carbon steel, alloy steel, and stainless steel during continuous shifts. It reduces power consumption by 30% compared to traditional welders, delivering immediate electricity cost savings.
| Parameter | NB-350 | NB-500 | NB-630 |
|---|---|---|---|
| Input Power | 3-Phase 380V 50/60Hz | 3-Phase 380V 50/60Hz | 3-Phase 380V 50/60Hz |
| Input Capacity | 13.7 kW | 24.4 kW | 34.6 kW |
| Output Current | 60 - 350 A | 60 - 500 A | 80 - 630 A |
| Wire Type | Solid / Flux-cored | Solid / Flux-cored | Solid / Flux-cored |
| Wire Diameter | 0.8 / 1.0 / 1.2 mm | 1.2 / 1.4 / 1.6 mm | 1.2 / 1.6 / 2.0 mm |
| Plate Thickness | 1 - 10 mm | 2 - 35 mm | 3 - 45 mm |
| Cooling | Forced Fan Cooling | Forced Fan Cooling | Forced Fan Cooling |
| Protection Code | IP21 | IP21 | IP21 |
| Machine Size (mm) | 585 x 300 x 510 | 585 x 320 x 510 | 635 x 320 x 530 |
| Net Weight | 41 kg | 43 kg | 45 kg |
This plug-and-play package includes everything needed for immediate operation:
Yes, absolutely. The feeding rollers and gas system are ready for both standard solid wires (with shielding gas) and gasless flux-cored wires, making it perfect for onsite structural steel assembly.
Thanks to our dual closed-loop system, the internal chips adjust the pulse width millisecond by millisecond. Even if other large machines in your shop cause the main power grid to fluctuate, the welding current at the torch remains steady.
Yes. With an IP21 industrial rating and built-in heat and line sensors, the welder shuts down safely if it detects a dangerous internal overload, protecting your team from live-voltage exposure.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2018
Total Annual:
1000000-1500000
Employee Number:
70~150
Ecer Certification：
Verified Supplier
Sichuan Shunyao Supply Chain Management Co., Ltd. Sichuan Shunyao Supply Chain Management Co., Ltd. is a leading provider of integrated steel structure solutions and construction support systems. Headquartered in China, we operate globally, specializing in the supply, project management, and tec... Sichuan Shunyao Supply Chain Management Co., Ltd. Sichuan Shunyao Supply Chain Management Co., Ltd. is a leading provider of integrated steel structure solutions and construction support systems. Headquartered in China, we operate globally, specializing in the supply, project management, and tec...
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