TIG 140
Single-Phase DC TIG Inverter
Professional single-phase DC TIG welding inverter engineered for precision applications. Features advanced IGBT technology, intelligent protection systems, VRD safety compliance, and auto voltage compensation for reliable industrial performance.
| Parameter | Unit | Specification |
|---|---|---|
| Power Supply | ||
| Input Voltage | V | 1-Phase 220V AC ±10% |
| Rated Input Capacity | kVA | 3.3 |
| Output Characteristics | ||
| Maximum Output Current (TIG) | A | 140 |
| No-Load Output Voltage | V | 56 (25V with VRD) |
| Performance Specifications | ||
| Rated Duty Cycle @ 40°C | % | 60% @ 140A |
| Technology & Features | ||
| Advanced Technology | - | IGBT Inverter Technology |
| Welding Process | - | DC TIG |
| Hot Start Function | - | Available |
| Anti-Stick Function | - | Available |
| Self-Adaptive Arc Force | - | Available |
| Voltage Reduction Device (VRD) | - | Available |
| Auto Voltage Compensation | - | Available |
| Protection System | - | Overload & Overheat Protection |
| Standards & Certification | ||
| Ingress Protection | - | IP23S |
| Insulation Class | - | Class H |
| Physical Specifications | ||
| Dimensions (L × W × H) | mm | 342 × 158 × 283 |
| Net Weight | kg | 5.0 |
Product Overview
Precision DC TIG welding machine engineered for household and light industrial applications. Advanced IGBT inverter technology delivers superior arc stability and professional weld quality in an ultra-portable 5kg package with 140A output and 60% duty cycle.
🏆 Ultra-Portable Precision: 140A DC TIG Power
Delivers 140A maximum output at 60% duty cycle (40°C) in ultra-lightweight 5kg design—the ideal portable DC TIG solution for household maintenance, DIY projects, and light industrial fabrication requiring professional precision with exceptional portability.
🎯 Designed For
Household maintenance, DIY enthusiasts, light industrial fabrication, and professionals requiring portable precision TIG welding equipment for home and workshop applications.
⚡ Core Technology
Advanced IGBT inverter with self-adaptive arc force, hot start and anti-stick functions, VRD protection (25V), and auto voltage compensation for consistent precision output.
🛡️ Safety First
Comprehensive protection: VRD (56V to 25V), overload and overheat safeguards, IP23S rating, and Class H insulation for maximum safety in home and workshop environments.
Key Features
Precision engineering for professional household and light industrial performance
⚙️ Advanced IGBT Inverter
High-efficiency inverter technology delivers consistent precision output with reduced power consumption and superior arc stability for professional DC TIG welding results.
⚡ Self-Adaptive Arc Force
Intelligent real-time arc force regulation automatically adjusts parameters for smoother operation, minimized defects, and consistent weld quality across varying conditions.
🚀 Anti-Stick & Hot Start
Advanced electrode management ensures easy removal and reliable arc initiation, preventing sticking even in challenging conditions and difficult surface preparations.
🔒 VRD Protection (25V)
Voltage Reduction Device reduces no-load voltage from 56V to safe 25V level, enhancing operator safety and prolonging machine lifespan through reduced electrical stress.
📊 60% Duty Cycle at 140A
Engineered for extended operation at 140A output (40°C ambient), ensuring productivity with minimal downtime for demanding household and light industrial welding tasks.
🔌 Auto Voltage Compensation
Intelligent voltage regulation automatically adjusts to fluctuations, ensuring consistent operation with wider voltage inputs and unstable power supply conditions.
🛡️ Comprehensive Protection
Multi-layer safeguards: overload and overheat protection systems ensure safety, reliable operation, and extended machine life in household and workshop environments.
IP23S Protection
Industrial-grade ingress protection and Class H insulation ensure reliable performance in household and light industrial environments with enhanced dust and water resistance.
DC TIG Welding Process
Specialized DC TIG capability delivers precise control and superior weld quality on ferrous metals including mild steel, stainless steel, and DC-compatible materials.
Ultra-Lightweight Design
342×158×283mm, 5.0kg—ultra-portable construction enables easy transportation and storage, perfect for home workshops and mobile welding applications.
Single-Phase Operation
220V AC ±10% compatibility with standard household outlets delivers professional 140A TIG performance without specialized power infrastructure requirements.
High Efficiency
3.3kVA rated input capacity minimizes operational costs while maintaining exceptional precision welding performance and superior arc characteristics.
Precision Control
Superior arc characteristics ensure clean, professional welds with minimal spatter and excellent penetration control for detailed welding tasks.
Simple Operation
User-friendly interface with intuitive controls accessible for both beginners and experienced welders, reducing learning curve while maintaining professional capabilities.
DIY-Friendly
Specifically designed for personal projects and home maintenance with simple operation, making it perfect for DIY enthusiasts and household welding tasks.
Stable Performance
Consistent performance across varying conditions delivers superior welding results, ensuring dependable operation for household and light industrial applications.
Professional Results
Delivers exceptional precision and weld quality for detailed work on thin materials and intricate assemblies with professional-grade performance.
Modern Aesthetics
Compact design with modern aesthetics makes it an attractive addition to any home workshop or light industrial facility with professional appearance.
Applications
Versatile precision welding for household and light industrial operations
🏠 Household Maintenance & DIY Projects
Ideal for household maintenance and DIY enthusiasts. 140A output with 60% duty cycle handles home repair tasks, custom fabrication projects, and personal welding applications with professional precision.
🏭 Light Industrial Fabrication
Perfect for light industrial fabrication requiring precision and portability. Ultra-lightweight 5kg design enables easy transportation while maintaining professional welding performance for workshop applications.
🔧 Precision Welding Tasks
Designed for welding tasks requiring exceptional portability and precision control. Self-adaptive arc force ensures superior weld quality for detailed work on thin materials and intricate assemblies.
⚙️ Workshop & Mobile Welding
Versatile performance for both stationary workshop and mobile welding projects. Auto voltage compensation ensures consistent operation across varying power conditions in diverse environments.
Accessories (Standard & Optional)
Professional-grade components with customizable specifications
TIG Torch (Standard - Customizable Length)
Professional-grade TIG torch with customizable cable length. Ergonomic design for extended operation and superior control in precision DC TIG welding applications.
Earth Clamp (Optional - Pure Copper Cable)
Optional earth clamp with premium pure copper cable for superior conductivity. Customizable cable length for optimal reach and flexibility in diverse welding applications.
Rod Holder (Optional - Pure Copper Cable)
Optional rod holder with pure copper cable construction. Provides reliable electrical connection and durability for extended service life in household and light industrial operations.
Additional Torch Options
Wide selection of compatible TIG torches available to meet specific application requirements. Various torch styles and configurations for optimal performance in diverse welding scenarios.
💡 Technical Note: Pure copper cables deliver superior electrical conductivity and extended service life compared to CCA alternatives, ensuring optimal performance for continuous 140A DC TIG operations at 60% duty cycle.
Summary
The TIG 140 integrates advanced IGBT inverter technology with ultra-portable construction to deliver exceptional precision DC TIG welding performance in an ultra-lightweight 5.0kg package. Featuring 140A maximum output, 60% duty cycle at 40°C, and superior arc characteristics, this system excels in household maintenance and DIY projects, light industrial fabrication, precision welding tasks, and mobile workshop applications. Key technologies include self-adaptive arc force, anti-stick and hot start functions, VRD protection (25V), intelligent voltage compensation, and comprehensive overload/overheat safeguards. IP23S protection and Class H insulation ensure reliable operation in household and light industrial environments. Ultra-compact dimensions (342×158×283mm) with modern aesthetics deliver exceptional portability. Single-phase 220V AC ±10% operation with 3.3kVA rated input capacity provides efficient performance compatible with standard household electrical outlets. Standard and optional accessories feature TIG torch (customizable length), earth clamp with pure copper cable, rod holder, and wide torch selection for enhanced operational flexibility. Simple operation with intuitive controls makes it accessible for both beginners and experienced welders. The TIG 140 represents the ideal portable DC TIG welding solution for professionals and enthusiasts requiring precision 140A power, exceptional portability, and reliable performance for household and light industrial applications.
🏆 Ultra-Portable Precision: 140A DC TIG Power
The TIG 140 delivers exceptional 140A maximum output at 60% duty cycle in an ultra-lightweight 5kg package—the ideal portable DC TIG welding solution for household maintenance, DIY projects, light industrial fabrication, and precision welding tasks requiring professional performance with exceptional portability.
Why Choose Sibit Welding Equipment?
Partner with Sibit for industry-leading welding equipment that delivers precision, reliability, and performance in every weld.
Core Advantages
Precision Engineering
Experience superior weld quality through meticulously engineered equipment designed to deliver consistent, accurate results in every application.
Advanced Technology
Boost productivity and efficiency with cutting-edge welding technology that streamlines operations and maximizes output.
Reliable Performance
Count on uninterrupted operation with robust equipment built for demanding industrial environments and continuous use.
Key Benefits
Comprehensive Range
Access a complete selection of equipment and accessories tailored to meet all your welding requirements and applications.
Expert Support
Benefit from dedicated technical assistance and professional service ensuring optimal performance and maximum uptime.
Proven Excellence
Trust in equipment backed by rigorous quality control and industry-leading standards for consistent results.
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