ARC 140
Professional Reliability | Advanced IGBT Technology
Advanced IGBT inverter technology delivering powerful 140A performance in a lightweight 2.5kg package. Features self-adaptive arc force, VRD safety protection, auto voltage compensation (160-250V), and intelligent protection systems for reliable operation in DIY and professional applications.
Professional Reliability
Powerful 140A output with 60% duty cycle for materials 1mm-7mm thick. Lightweight 2.5kg design with 235×107×180mm dimensions makes it perfect for on-site jobs, home workshops, and professional applications.
Advanced IGBT Technology
Self-adaptive arc force automatically regulates for simplified welding and improved quality. Features hot start, anti-stick technology, and auto voltage compensation (160-250V) for consistent performance with unstable power supplies.
Intelligent Protection
VRD reduces no-load voltage for enhanced safety. Built-in overload and overheat protection with IP21S protection class and Grade H insulation ensure long-term durability in demanding conditions.
| Parameter | Unit | Specification |
|---|---|---|
| Power Supply | ||
| Rated Input Voltage | V | 1-Phase 220V AC ±10% |
| Allowable Voltage Input Range | V | 160 ~ 250 |
| Power Frequency | Hz | 50 |
| Rated Input Capacity | kVA | 5.7 |
| Rated Input Current | A | 26 |
| Input Power Cable | - | 2 × 1.5 mm² (1.5 m) |
| Output Characteristics | ||
| Output Current Control | - | Constant Current (CC) |
| Welding Current Range | A | 20 ~ 140 |
| No-Load Output Voltage | V | 70 |
| Output Connector | - | Euro Connector 10-25 |
| Performance Specifications | ||
| Rated Duty Cycle @ 40°C | % | 60 |
| Recommended Welding Thickness | mm | 1 ~ 7 |
| Standards & Certification | ||
| Ingress Protection | - | IP21S |
| Insulation Class | - | Class H |
| Cooling System | - | Air Cooling |
| Physical Specifications | ||
| Dimensions (L × W × H) | mm | 235 × 107 × 180 |
| Net Weight | kg | 2.5 |
| Gross Weight | kg | 3.6 |
| Packaging Specifications | ||
| Package Dimensions (L × W × H) | mm | 280 × 145 × 225 |
Product Overview
The ARC 140 is a powerful single-phase arc welding machine designed for both DIY enthusiasts and professional welders. With advanced IGBT inverter technology and a range of intelligent features, it ensures stable arc performance, enhanced safety, and easy operation. Its lightweight and portable design makes it perfect for on-site jobs and home use, providing high efficiency with minimal power consumption and a robust 60% duty cycle.
🏆 60% Duty Cycle at 140A
The ARC 140 delivers exceptional 60% duty cycle at 140A maximum output (tested at 40°C), providing reliable continuous welding performance for professional applications. This robust duty cycle ensures you can weld longer without interruption, making it ideal for demanding projects requiring sustained high-output operation. Perfect for professional welders and serious DIY enthusiasts requiring dependable performance.
🎯 Designed For
DIY enthusiasts, professional welders, maintenance professionals, and industrial applications requiring reliable 140A welding power with 60% duty cycle performance.
⚡ Core Technology
Advanced IGBT inverter technology ensures stable output, efficient power conversion (160V-250V), and superior arc performance for materials 1mm-7mm thick.
🛡️ Safety First
Comprehensive protection systems including VRD, overload protection, overheat safeguards, and IP21S protection class for worry-free operation.
Key Features
🔧 DIY & Professional Ready
Ideal for DIY home welding projects and professional applications, offering flexibility and convenience. User-friendly controls make it accessible while delivering professional-grade performance.
⚙️ Advanced IGBT Technology
Ensures stable output and efficient power conversion for optimal performance. Delivers superior arc characteristics compared to traditional transformer-based welders with reduced weight.
🛡️ Intelligent Protection
Built-in systems to protect against overload and overheating, ensuring long-term durability. Automatically safeguards the machine and extends service life in demanding conditions.
⚡ Self-Adaptive Arc Force
Automatically regulates arc force to simplify welding and improve the quality of the weld. Maintains optimal arc stability in real-time, reducing spatter for cleaner results.
🚀 Anti-Stick & Hot Start
Facilitates easy removal of stuck electrodes and ensures smooth arc ignition. Hot start provides extra current during arc initiation for hassle-free operation on various surfaces.
🔒 VRD (Voltage Reduction Device)
Enhances user safety by lowering the no-load voltage, extending machine lifespan. Reduces electrical stress and provides safe operation in all environments.
📊 Stable & Reliable Performance
Provides consistent and smooth welding performance, even in challenging conditions. Delivers reliable, repeatable results weld after weld with 60% duty cycle at 140A.
🔌 Auto Voltage Compensation
Automatically adjusts for voltage fluctuations, supporting a broader range of input voltages (160V-250V). Ensures consistent performance even with unstable power supplies.
140A Maximum Output
Delivers 140A real maximum output current with 20-140A welding current range, suitable for materials from 1mm to 7mm thickness. 60% duty cycle at 40°C ensures professional-grade performance.
Constant Current Control
CC (Constant Current) output control maintains preset welding current for consistent arc performance and weld quality across varying conditions and material thicknesses.
Ultra-Compact Design
235×107×180mm dimensions with only 2.5kg net weight—exceptionally portable and easy to transport. Perfect for mobile welding, on-site jobs, and limited storage spaces.
Euro Connector Output
Standard Euro connector (10-25) output plug ensures compatibility with a wide range of welding cables and accessories for maximum versatility.
Air Cooling System
Efficient air cooling method ensures optimal operating temperature during extended welding sessions, maintaining performance and extending machine lifespan.
IP21S Protection
IP21S ingress protection rating and Grade H insulation class ensure reliable operation in various working environments with protection against solid objects and dripping water.
Energy Efficient
5.7kVA rated input capacity with 26A rated input current ensures efficient operation, reducing electricity costs while maintaining professional welding performance.
Single-Phase Operation
1-phase AC220V ±10% rated input voltage (160V-250V allowable range) makes it compatible with standard household electrical outlets—no special wiring required.
Applications
🏭 Light & Medium-Duty Metal Fabrication
Perfect for creating metal structures, frames, and custom fabrication projects. Handles materials from 1mm to 7mm thickness with professional results.
🏠 Home Improvement Projects
Ideal for DIY home repairs, custom metalwork, and hobby welding projects. Lightweight design makes it easy to move around your workshop.
🔧 Repair & Maintenance Tasks
Essential for equipment repair, automotive work, and general maintenance tasks. Hot start feature ensures easy arc initiation on various surfaces.
🚜 Agricultural & Industrial Equipment Repair
Suitable for farm equipment repair and light industrial applications. VRD protection ensures safe operation in demanding environments.
Accessories (Optional)
Enhance your welding setup with these available accessories
Earth Clamp (200A)
Heavy-duty ground clamp for secure workpiece connection. Includes CCA cable 16mm² × 1.5m for reliable grounding.
Rod Holder (200A)
Professional-grade electrode holder for comfortable operation. Includes welding handle output wire CCA cable 16mm² × 2.5m for extended reach and flexibility.
Summary
The ARC 140 combines advanced IGBT inverter technology with intelligent features to deliver powerful and reliable welding performance in an ultra-compact 2.5kg package. With 140A maximum output, 20-140A current range, and robust 60% duty cycle at 40°C, this system is perfect for both DIY enthusiasts and professional welders requiring dependable high-output performance. Features include self-adaptive arc force, anti-stick and hot start technology, VRD safety protection, auto voltage compensation (160V-250V), and comprehensive overload and overheat protection. Handles materials from 1mm to 7mm thickness with consistent, professional-grade results. Ideal for light and medium-duty metal fabrication, home improvement projects, repair and maintenance tasks, and agricultural and industrial equipment repair. Ultra-compact dimensions (235×107×180mm) and lightweight design provide exceptional portability for on-site jobs and mobile welding applications. IP21S protection rating and Grade H insulation ensure reliable operation in various working environments. Single-phase AC220V operation with standard household compatibility makes it accessible for home workshops and professional settings. Optional accessories include 200A earth clamp with 16mm² × 1.5m CCA cable and 200A rod holder with 16mm² × 2.5m CCA cable for complete welding setup.
🏆 Professional Performance with 60% Duty Cycle
The ARC 140 delivers exceptional 60% duty cycle at 140A maximum output, providing reliable continuous welding performance for professional applications and demanding projects—perfect for welders requiring sustained high-output operation without interruption.
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Core Advantages
Precision Engineering
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Advanced Technology
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Reliable Performance
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Key Benefits
Comprehensive Range
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Expert Support
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Proven Excellence
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