MMA-500SiC
| Parameter | Unit | Specification |
|---|---|---|
| Power Supply | ||
| Power Frequency | Hz | 50/60 |
| Input Voltage Range | V | 3-Phase 380V AC ±15% |
| Recommended Input Voltage | V | 330~430 |
| Rated Input Capacity | kVA | 25.0 |
| Rated Input Current | A | 30 |
| Output Characteristics | ||
| Output Current Control | - | Constant Current (CC) |
| Welding Current Range | A | 0~500 |
| No-Load Voltage | V | 75 |
| VRD Voltage | V | 24 |
| VRD Function | - | Switchable |
| Performance Specifications | ||
| Rated Duty Cycle @ 40°C | % | 100% @ 500A |
| Efficiency | % | 85 |
| Power Factor | - | 0.80 |
| Technology & Features | ||
| Inverter Technology | - | Silicon Carbide (SiC) |
| Hot Start Function | - | Adjustable |
| Arc Force Control | - | Adjustable |
| Remote Control Interface | - | Available |
| Digital Display | - | Current & Voltage |
| Welding Process | - | MMA / Arc Gouging |
| Electrode Diameter | mm | Ø2.5~Ø5.0 |
| General Features | ||
| Quick Connector Type | - | DIN 50-70 |
| Protection System | - | Thermal Overload |
| Cooling Method | - | Forced Air |
| Carrying Handle | - | Integrated |
| Standards & Certification | ||
| Insulation Class | - | Class H |
| Ingress Protection | - | IP23S |
| Physical Specifications | ||
| Dimensions (L × W × H) | mm | 512.5 × 220 × 398 |
| Net Weight | kg | 18.0 |
| Gross Weight | kg | 19.6 |
Product Overview
The MMA-500SiC delivers 500A output with 100% duty cycle at 40°C. Silicon Carbide semiconductor technology enables high-frequency operation (up to 100kHz), 85% efficiency, and compact 18kg design. Supports MMA welding and arc gouging processes with adjustable arc force and hot start capabilities.
Silicon Carbide (SiC) Technology
SiC semiconductors operate at high frequency (up to 100kHz) versus traditional 20-30kHz, providing superior switching speed, 85% efficiency, and reduced power loss compared to traditional IGBT technology. Sibitweld is the first company to implement SiC technology in professional welding equipment, achieving 100% duty cycle at 500A with 25kW continuous power output in an 18kg package—significantly lighter than conventional units.
Target Applications
Industrial welding, fabrication shops, construction sites, manufacturing facilities, and mobile welding operations requiring 500A continuous output. Ideal for professionals demanding reliable performance in challenging environments.
Core Technology
SiC technology at high frequency (up to 100kHz) with 85% efficiency, 100% duty cycle at 500A, 0.80 power factor. Dimensions: 512.5×220×398mm, weight: 18kg.
Protection Systems
Thermal overload protection, IP23S rating, Class H insulation, voltage tolerance 330-430V for generator operation (recommended 50kW+ generator).
Key Features
SiC Technology
High-frequency operation (up to 100kHz) with 85% efficiency and reduced power loss compared to traditional IGBT technology.
100% Duty Cycle
Continuous welding at 500A without cooling breaks at 40°C ambient temperature for extended welding sessions.
25kW Power Output
Capable of working continuously at 25kW power for demanding welding applications requiring reliable output.
Compact Design
512.5×220×398mm dimensions, 18kg weight—significantly lighter than conventional units for easy portability.
Adjustable Controls
Arc force (0-100A) and hot start (0-100A) adjustment for various welding conditions and electrode types.
Superior Arc Performance
Soft arc during low-current welding, reduced spatter during high-current welding, reliable penetration across all amperage ranges.
Electrode Compatibility
Handles acidic and alkaline electrodes, Ø2.5-5.0mm rod diameter range for versatile welding applications.
Long Cable Support
Supports cable lengths up to 50 meters for extended reach operations and remote welding locations.
Generator Compatible
330-430V input range (±15% tolerance). Recommended generator: 50kW minimum for optimal performance.
85% Efficiency
0.80 power factor, 25kVA rated input capacity, 30A rated input current for reduced energy consumption.
VRD Safety
Voltage Reduction Device reduces open-circuit voltage to 24V for enhanced operator safety with ON/OFF switch.
Remote Control
REM switch allows for remote control or pedal use for enhanced process control without being at the machine.
Digital Display
Dual digital displays for voltage (V) and current (A) provide clear, precise readouts for accurate monitoring.
Multi-Process
Supports MMA welding and arc gouging for versatile metalworking applications and material removal.
Quick Connector
DIN 50-70 quick connector system for fast and secure cable connections, reducing setup time.
Integrated Handle
Integrated carrying handle for easy transport and mobility across job sites and work locations.
50/60Hz Compatibility
Supports both 50Hz and 60Hz power frequencies for global compatibility and versatile power source options.
Material Compatibility
Applications
Ironwork & Fabrication
- Ironwork production
- Door and window processing
- Fence manufacturing
- Metal cabinet production
- Steel furniture manufacturing
Construction & Installation
- Building installation
- Interior decoration
- Renovation projects
- Structural welding
- Equipment installation
Repair & Maintenance
- Machinery repair
- General mechanical repairs
- Agricultural machinery
- Automotive maintenance
- Motorcycle repair
Summary
The MMA-500SiC combines SiC technology with 100% duty cycle at 40°C, 85% efficiency, and professional welding capabilities in an 18kg package. Features include high-frequency operation (up to 100kHz), 25kW continuous power output, adjustable arc force (0-100A) and hot start (0-100A), VRD safety (24V with ON/OFF switch), remote control capability, and generator compatibility (330-430V input range with ±15% tolerance). Supports Ø2.5-5.0mm welding rods and cable lengths up to 50m. Multi-process capability includes MMA welding and arc gouging. Suitable for carbon steel, low alloy steel, stainless steel, and cast iron welding applications across ironwork, construction, metal furniture, machinery repair, and automotive maintenance sectors. DIN 50-70 quick connector system and integrated carrying handle provide enhanced portability and convenience. Compatible with both 50Hz and 60Hz power frequencies for global versatility.
Industry-First SiC Technology
Sibitweld is the first company to implement Silicon Carbide technology in professional welding equipment, delivering superior performance with 25kW continuous power output and 500A capacity in a compact, lightweight package.
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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