Kemppi Master S 500 (415V)

The Master S 500 is built for high-performance Stick (MMA) welding, offering a powerful 500 A output with cellulose welding characteristics for demanding applications. Part of the Master S series, it is designed to deliver robust, compact, and portable welding power with optimum energy efficiency.

Perfect for heavy-duty MMA welding, the Master S 500 ensures ease of use, durability, and reliable performance across a wide range of professional welding tasks.

Package Includes

• Master S 500 welding power source

The Master S series welding power sources are developed for professional welders who need maximum reliability and performance. The 500 A model provides outstanding ignition, excellent welding quality, and stable arc characteristics even in challenging environments.

Engineered for versatility, the Master S integrates a Voltage Reduction Device (VRD) for improved workplace safety and is suitable for operation on a wide voltage network.

This is ideal for:

• Industrial welding applications
  Pipeline construction and maintenance
  Heavy fabrication and repair work
  Professional workshops and site welding

Features

• 500 A MMA Welding Power – High-performance for professional applications.
  Cellulose Welding Support – Reliable with demanding electrodes requiring deep penetration.
  Hot Start & Arc Force Adjustment – Optimized ignition and arc stability across electrode types.
  Antifreeze Protection – Automatically cuts off power to prevent electrode sticking.
  Lift TIG (DC TIG) – Contact ignition for TIG applications.
  Arc Gouging Capability – Expands welding versatility.
  CC/CV Parent Power Supply – Compatible with Kemppi voltage-sensing wire feed systems and inline TIG solutions.
  VRD Integrated – Enhanced operator safety on site.
  Compact and Portable – Robust yet transportable for on-site use.

Technical Specifications

Mains Voltage: 380…440 V ±10% (3-phase, 50/60 Hz)
Input Power: 30.7 kVA
Output (MMA) @ +40 °C, 60% Duty Cycle: 500 A
Output (MMA) @ +40 °C, 100% Duty Cycle: 390 A
Output (TIG) @ +40 °C, 60% Duty Cycle: 500 A
Output (TIG) @ +40 °C, 100% Duty Cycle: 390 A
Power Factor: 0.89
Efficiency: 89%
Recommended Generator Power: 35 kVA
Protection Class: IP23S
Dimensions (L × W × H): 620 × 290 × 500 mm
Weight: 47 kg
Standards: IEC 60974-1, -10

Why Choose the Master S 500?

Designed for professional heavy-duty welding with maximum reliability.
High power output (500 A) for the most demanding jobs.
Energy-efficient and cost-effective operation.
Safety-first design with VRD and antifreeze protection.
Flexible performance with support for MMA, TIG, and arc gouging.

The Master S 500 is the flagship model in the Master S series, offering 500 A of professional MMA welding power in a robust, portable package. With features such as cellulose welding capability, VRD safety, Hot Start, Arc Force, and arc gouging, it is purpose-built for welders who demand maximum performance, safety, and durability in the toughest conditions.