TIG 400P SiC - Hero Section
Silicon Carbide Technology @ 50kHz

TIG 400P SiC

3-Phase DC Pulse TIG/MMA Inverter

High-performance pulse TIG welding inverter featuring advanced Silicon Carbide (SiC) technology operating at 50kHz. Delivers 100% duty cycle at 400A with independent arc control, multi-level protection systems, and superior current stability for heavy-duty industrial applications.

400A
Max Output
100%
Duty Cycle
380V
3-Phase

Silicon Carbide Technology Overview

Advanced SiC Power Electronics

Integrating next-generation Silicon Carbide semiconductor technology to deliver superior performance, enhanced efficiency, and compact power density in professional welding systems.

Engineering Excellence

Developing advanced welding systems through systematic innovation methodologies, precision engineering practices, and comprehensive technical validation protocols that exceed industry performance benchmarks.

Manufacturing Precision

Operating state-of-the-art production facilities with integrated quality management systems, advanced automation technologies, and rigorous process controls ensuring consistent product excellence.

Global Distribution Network

Delivering comprehensive equipment solutions through strategic logistics infrastructure, providing expedited international shipping, technical consultation services, and dedicated customer support worldwide.

Blue SIBIT TIG welding machine with digital display, control buttons, and handles on top.
TIG 400P SiC Technical Specifications
TIG 400P SiC Technical Specifications
Parameter Unit Specification
Power Supply
Input Frequency Hz 50
Rated Input Voltage V 3-Phase 380V AC ±10%
Input Voltage Range V 320 ~ 415
Rated Input Capacity kVA 19
Output Characteristics
No-Load Output Voltage V 70
TIG Welding Current Range A 10 ~ 400
MMA Welding Current Range A 0 ~ 400
Performance Specifications
Duty Cycle (at 40°C) % 400A @ 100%
Efficiency (η) % 85
Power Factor (Cosφ) - 0.8
Pulse & Control Parameters
Start Current A 0 ~ 400
End Current A 0 ~ 400
Down Slope Time s 0 ~ 10
Technology & Features
Technology - Silicon Carbide (SiC) Technology @ 50kHz
Welding Process - DC Pulse TIG / MMA
Material Compatibility - Carbon Steel, Low Alloy Steel, Stainless Steel, Cast Iron
General Features
Protection - Overheat, Overcurrent, Short-Circuit Protection
Cooling Method - Air Cooled
Enclosure/Standards/Approvals
Insulation Class Grade H
Protection Class IP IP23S
Physical Specifications
Dimensions (L×W×H) mm 512.5 × 220 × 398
Net Weight kg 17
Gross Weight kg 19.3
TIG 400P SiC DC Pulse TIG Welding Machine | Silicon Carbide Technology

Product Overview

🔬 SILICON CARBIDE (SiC) TECHNOLOGY @ 50kHz

Next-generation high-performance DC Pulse TIG welding machine featuring Silicon Carbide (SiC) technology operating at 50kHz frequency. Delivers 400A TIG / 400A MMA at 100% duty cycle with superior arc stability, reduced spatter, and extended equipment lifespan for demanding industrial applications.

🏆 SiC Technology: 400A @ 100% Duty Cycle

Advanced SiC-powered welding machine delivers 400A TIG / 400A MMA at 100% duty cycle (40°C) with 50kHz frequency—revolutionary Silicon Carbide technology enables robust output capacity, superior efficiency, and uninterrupted operation for high-intensity industrial welding and heavy-duty operations.

🎯 Designed For

High-intensity industrial operations, heavy-duty welding, precision work requiring continuous 400A output with advanced SiC efficiency and reliability.

⚡ Core Technology

Silicon Carbide (SiC) @ 50kHz, DC Pulse TIG/MMA, independent start/end current control (0-400A), 0-10s down slope time, 85% efficiency, 0.8 power factor.

🛡️ Safety First

Multi-level overheat, overcurrent, and short-circuit protection extends equipment lifespan. IP23S rating, Grade H insulation, air cooling system.

Key Features

Silicon Carbide engineering for high-performance industrial welding

🔬 SiC Technology @ 50kHz

Revolutionary Silicon Carbide components operating at 50kHz frequency deliver superior efficiency, compact design, and extended equipment lifespan.

🔄 400A TIG / 400A MMA

Robust dual-process capability: 400A DC Pulse TIG (10-400A range) and 400A MMA (0-400A range) for comprehensive heavy-duty industrial solutions.

📊 100% Duty Cycle at 400A

Continuous operation at full 400A output (40°C ambient) for uninterrupted performance in high-intensity industrial environments.

⚡ Precise Control

Independent start/end current adjustment (0-400A) with 0-10s down slope time ensures smooth welding initiation and completion.

🎯 Stable Performance

High-frequency inverter technology ensures current stability, maintaining soft arc even during power fluctuations for superior weld appearance.

🛡️ Comprehensive Protection

Multi-level temperature, overcurrent, and short-circuit protection effectively extends equipment lifespan and ensures operational safety.

⚡ 85% Efficiency

High-efficiency SiC design (η=85%, Cosφ=0.8) minimizes energy consumption and operating costs in continuous heavy-duty operations.

🔌 3-Phase AC380V ±10%

Wide input voltage range (320-415V) with strong resistance to power fluctuations ensures stable performance in diverse industrial environments.

🔩 Broad Material Compatibility

Suitable for carbon steel, low alloy steel, stainless steel, and cast iron welding in diverse heavy-duty industrial applications.

IP23S / Grade H

Industrial-grade ingress protection and high-temperature insulation for reliable performance in demanding production environments.

19kVA Input Capacity

Rated input capacity supports professional 400A TIG/MMA performance with 50Hz frequency and 70V no-load output voltage.

Air Cooled System

Efficient air cooling system maintains optimal operating temperature during continuous 100% duty cycle operation at 400A.

Compact Design

512.5×220×398mm, 17kg—SiC technology enables compact footprint without compromising 400A robust output capacity.

Reduced Spatter

High-frequency inverter technology reduces spatter for superior weld appearance and reduced post-weld cleanup in production environments.

User-Friendly Interface

Intuitive controls for easy setup and operation with independent adjustment of start/end current and slope time parameters.

Extended Lifespan

Multi-level protection features and SiC technology effectively extend equipment lifespan for long-term reliability in industrial operations.

Applications

SiC technology for high-intensity industrial welding operations

🏭 High-Intensity Industrial Operations

400A @ 100% duty cycle with SiC efficiency for continuous high-intensity fabrication on carbon steel, stainless steel, and cast iron.

🔧 Heavy-Duty Welding

Robust 400A output capacity with stable performance for heavy-duty welding applications requiring uninterrupted operation and superior weld quality.

⚙️ Precision Work

Independent start/end current control and down slope time adjustment for precision welding with smooth initiation and completion.

🤖 Demanding Production Environments

Multi-level protection and extended equipment lifespan ensure reliable operation in high-volume production with minimal downtime.

Silicon Carbide (SiC) Technology Advantages

Revolutionary semiconductor technology for next-generation welding

🔬 50kHz Operating Frequency

SiC components enable 50kHz switching frequency—10x higher than conventional IGBT technology for superior performance and efficiency.

📐 Compact Footprint

Higher frequency operation enables smaller transformer and component sizes, maintaining compact 512.5×220×398mm dimensions at 400A output.

⚡ Superior Efficiency

SiC semiconductors exhibit lower switching losses and higher thermal conductivity, achieving 85% efficiency with reduced energy consumption.

🌡️ Enhanced Thermal Performance

SiC's superior thermal properties enable operation at higher temperatures with improved reliability and extended component lifespan.

🔋 Reduced Power Losses

Lower conduction and switching losses translate to reduced heat generation, improved efficiency, and lower operating costs at 400A output.

🚀 Future-Proof Technology

Advanced SiC-powered welding machine represents the future of high-performance welding with proven advantages over conventional IGBT systems.

💡 Technical Note: Silicon Carbide (SiC) technology operates at 50kHz frequency—significantly higher than conventional IGBT inverters (5-10kHz). This enables compact, efficient designs with superior thermal performance and extended equipment lifespan, representing a fundamental advancement in high-performance welding power source technology.

Summary

The TIG 400P SiC represents next-generation high-performance welding technology featuring Silicon Carbide components operating at 50kHz frequency. Delivers 400A TIG / 400A MMA at 100% duty cycle (40°C) with robust output capacity for high-intensity operations. Precise control with independent start/end current adjustment (0-400A) and 0-10s down slope time ensures smooth welding initiation and completion. Stable performance with high-frequency inverter technology maintains soft arc even during power fluctuations, reducing spatter for superior weld appearance. 85% efficiency (Cosφ=0.8) with 19kVA input capacity. 3-Phase AC380V ±10% (320-415V range) with strong voltage fluctuation resistance. Multi-level overheat, overcurrent, and short-circuit protection extends equipment lifespan. IP23S rating, Grade H insulation, air cooling system. Compact 512.5×220×398mm dimensions, 17kg net weight. Compatible with carbon steel, low alloy steel, stainless steel, and cast iron. Ideal for high-intensity industrial operations, heavy-duty welding, precision work, and demanding production environments requiring continuous 400A operation with revolutionary SiC efficiency and reliability.

🏆 SiC Technology: 400A @ 100% Duty Cycle

Advanced SiC-powered welding machine delivers 400A TIG / 400A MMA at 100% duty cycle with 50kHz frequency—revolutionary Silicon Carbide technology enables robust output capacity, superior efficiency, reduced spatter, and extended equipment lifespan for high-intensity industrial welding and heavy-duty operations.

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

01

Comprehensive Range

Access a complete selection of equipment and accessories tailored to meet all your welding requirements and applications.

02

Expert Support

Benefit from dedicated technical assistance and professional service ensuring optimal performance and maximum uptime.

03

Proven Excellence

Trust in equipment backed by rigorous quality control and industry-leading standards for consistent results.

Partner with Sibit for Excellence

Discover industry-leading welding equipment that delivers precision, reliability, and performance in every weld. Our commitment to quality and innovation ensures your success.

Contact us today to learn more about our products and how they can transform your welding operations and drive business growth.

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