Product Name:

MMA 500 Arc Welding Machine

Model #:

MMA 500

Product Overview:

The MMA 500 is a robust three-phase inverter arc welding machine designed for heavy industrial applications. Incorporating advanced IGBT module technology, it delivers consistent and efficient welding performance, even in challenging environments. Its capability to handle up to 10mm carbon electrodes for arc gouging makes it a versatile choice for professionals seeking durability and excellent weld characteristics.

Black and white logo with the letters 'C' and 'E' in a minimalist style.

Why Choose Sibitweld?

Sibitweld is dedicated to providing safer, better, and more affordable welding solutions. The MMA 500 stands out with its robust design, advanced technology, and reliable performance, making it an ideal choice for professionals in demanding industrial settings.


Blue and gray SIBIT MMA 500 welding machine with control panel, adjustment knobs, warning indicators, and connection terminals.

Applications:

  • Heavy industrial fabrication

  • Maintenance and repair operations

  • Suitable for use in environments with stable three-phase power supply


Key Features:

  1. Advanced IGBT Module Technology: Enhances duty cycle and reliability under hot, humid, and dusty working conditions.

  2. Intelligent Protection: Equipped with overload and overheat protection mechanisms to ensure safety and longevity.

  3. Adjustable Arc Force: Allows for easy arc striking and improved weld quality.

  4. VRD (Voltage Reduction Device): Promotes safe welding practices and extends machine life by reducing no-load voltage.

  5. Digital Meter: Enables precise presetting and display of welding current for accurate adjustments.

  6. Stable & Reliable Performance: Delivers consistent welding performance, enhancing user experience.

  7. Remote Control (Optional): Facilitates welding in various environments with cable lengths up to 50 meters.

  8. Auto Voltage Compensation: Automatically compensates for voltage fluctuations, making it suitable for areas with unstable power supply.

  9. Arc Gouging Capability: Supports the use of up to 10mm diameter carbon electrodes for arc gouging applications.



Optional Accessories:

  • Rod Holder Cable: 50 mm² pure copper cable; length customizable upon request.

  • Earth Clamp Cable: 50 mm² pure copper cable; length customizable upon request.

  • Remote Control: Cable length up to 50 meters, enabling welding in diverse environments.

  • Arc Gouging Torch: Suitable for use with up to 10mm diameter carbon electrodes.


MMA 500 Technical Specifications
MMA 500 Technical Specifications
Parameter Unit Specification
Power Supply
Input Voltage V 3-Phase AC380V ±10%
Input Power kVA 24.77
Output Characteristics
Output Current Control - CC (Constant Current at Preset Value)
Maximum Output Current A 500
No-Load Voltage V 76
VRD Voltage V 24
Performance Specifications
Duty Cycle (at 40°C) % 500A @ 60%
Features
Arc Force Control - ☑ YES
Hot Start Function - ☑ YES
Protection Class IP IP23S
Insulation Class Grade H
Physical Specifications
Dimensions (L×W×H) mm 470×240×400
Net Weight kg 17.5