Carbon Dioxide Welder NBC-280
The NBC-280 Carbon Dioxide (CO2) / MIG Welder is a highly versatile, compact inverter welding machine widely utilized for automotive repairs, thin sheet metal fabrication, and DIY home projects. It exists in both a highly portable, single-phase mini configuration and a three-phase heavy industrial configuration
Description
NBC-280 Carbon Dioxide (CO2) / MIG Welder
The NBC-280 Carbon Dioxide (CO2) / MIG Welder is a highly versatile, compact inverter welding machine widely utilized for automotive repairs, thin sheet metal fabrication, and DIY home projects. It exists in both a highly portable, single-phase mini configuration and a three-phase heavy industrial configuration
Core Technical Specifications
- Welding Current Range: 30A to 280A (varies slightly by model, e.g., 40A–280A on some compact versions).
- Input Voltage Compatibility: Available in 220V single-phase (standard for home/light workshop use) or 380V three-phase (industrial configuration).
- Welding Capability Thickness: Optimised for thin-to-medium plate work ranging from 0.5mm to 4.0mm .
- Compatible Wire Diameters: Accommodates 0.6mm, 0.8mm, and 1.0mm solid or flux-cored wire.
- Duty Cycle: Efficient 60% duty cycle at maximum current under standard conditions, allowing for continuous moderate-to-heavy use without frequent cooling breaks. (Industrial variants scale up to 100% duty cycle).
- Machine Weight: The mini/portable versions are exceptionally lightweight, ranging from 3.5kg to 3.85kg (approx. 6.5 to 8.5 lbs).
Key Features & Capabilities
- Dual Gas / Gasless Functionality: Functions as a traditional gas-shielded MIG welder using 100% CO2 or mixed gas. Many portable variants also support gasless/airless flux-cored welding , eliminating the need to haul heavy gas cylinders for outdoor or mobile jobs.
- Intelligent Parameter Matching: Includes smart control features utilizing a dual-knob configuration. Adjusting the current automatically syncs and optimizes the wire feeding speed for smooth arc starting and stable arc performance.
- Advanced Arc Control & Low Spatter: Built around an inverter closed-loop control system that ensures high precision and uniform heat. It delivers excellent performance for rapid spot-welding and generates minimal spatter to leave a clean, aesthetically pleasing weld finish.
- Built-in Circuit Protection: Features automated thermal overload and under-voltage safety shutoffs. If the internal threshold is breached or a fault is detected, the unit shuts down automatically to prevent internal components from burning out.
Primary Applications
- Automotive Body Repair: Ideal for panel beating, chassis repair, and fixing thin car body panels without burning through the metal.
- Light Industrial Manufacturing: Widely used in furniture manufacturing, steel structural framing, and general machinery workshops.
- DIY & On-the-Go Construction: Excellent for home workshops and outdoor maintenance due to its lightweight design and plug-and-play architecture
Specification
| Specification Category | Parameter | Typical Standard Value |
|---|---|---|
| Specification | Portable / Mini Model (220V) | Industrial / Heavy-Duty Model (380V) |
| Input Voltage | 1-Phase AC 220V ±15% (50/60Hz) | 3-Phase AC 380V ±15% (50/60Hz) |
| Output Current Range | 30A – 280A | 40A – 280A |
| Rated Output Voltage | 15.5V – 28.0V | 16.0V – 28.0V |
| Rated Duty Cycle | 60% @ 280A (at 40°C) | 60% to 100% @ 280A |
| Power Factor (\(\cos \phi\)) | 0.73 | 0.85 – 0.93 |
| Efficiency | 85% | 89% |
| Wire Feed Speed Range | 2.5 – 13 m/min | 2.5 – 16 m/min |
| Compatible Wire Diameters | 0.6mm / 0.8mm / 1.0mm | 0.8mm / 1.0mm / 1.2mm |
| Supported Wire Spool Weight | 1 kg / 5 kg | 15 kg |
| Insulation Class | F | F / H |
| Enclosure Protection Class | IP21S | IP21S / IP23 |
| Cooling Method | Forced Air (Internal Fan) | Forced Air (Intelligent Fan-on-Demand) |
| Net Machine Weight | ~3.5 kg – 5.0 kg | ~22 kg – 35 kg (excluding gas cylinder) |
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