Hyunald Electric Weld

By Hyunald Electric Weld – Manufacturer & Supplier of

High-Performance Industrial ARC Welding Machine

Category: ARC Inverter Industrial Welding Machine

The STRONG ARC INVERTER 402 is a powerful, reliable, and energy-efficient DC inverter welding machine engineered by Hyunald Electric Weld for industrial-grade applications. Designed using advanced IGBT inverter technology, this 402A ARC welder ensures exceptional arc stability, low spatter, and deep penetration, delivering clean and strong welds in the most demanding work environments. Whether you're working in heavy fabrication, maintenance, shipbuilding, or structural welding, the STRONG ARC 402 is built to perform with precision and durability, making it a top choice for professionals and industries.

Features & Benefits :

  • High Output Capacity – 402A - Suitable for heavy-duty welding tasks and thick materials.
  • Advanced IGBT Inverter Technology – Delivers energy efficiency and steady arc performance.
  • 80% Duty Cycle - Reliable performance during long welding sessions without overheating.
  • Smooth Arc Start - Easy ignition and minimal electrode sticking.
  • Wide Electrode Compatibility - Supports electrodes from 2.5mm to 6.3mm.
  • Low Spatter, Clean Welds - Reduces post-weld cleaning time and improves finish quality.
  • Built-In Safety - Overload, overheat, and input fluctuation protection.
  • Rugged and Portable - Heavy-duty frame with ergonomic design for easy mobility.

Industries & Applications -

  • Heavy Steel Fabrication
  • Structural Engineering
  • Shipbuilding & Offshore Construction
  • Plant & Equipment Maintenance
  • Pressure Vessel & Pipeline Welding
  • Industrial Workshops & Repair Centers

Technical Specifications -

Category ARC Inverter Industrial Welding Machine
Also Known As STRONG ARC 402 DC INVERTER
Manufacturer & Supplier Hyunald Electric Weld
Input Voltage 415V ±10%, 3 Phase, 50/60Hz
Rated Input Power 15.5 kW
Output Current Range 30A – 402A
No-Load Voltage 75V
Duty Cycle 80% @ 402A
Efficiency ≥ 90%
Power Factor 0.95
Electrode Size 2.5mm – 6.3mm
Cooling System Air-Cooled
Insulation Class H
Protection Class IP23
Weight Approx. 34 – 38 kg
Dimensions (L×W×H) 550 × 270 × 430 mm (approx.)

Product Category -

Industrial Welding Machine

Ideal for professional welders and medium-scale fabrication units requiring consistent performance and portability Heavy Welding Machine

Hyunald Electric Weld is a leading manufacturer and supplier of premium-quality industrial welding machines. We specialize in producing ARC, MIG, and TIG inverter welding machines designed for high performance, energy efficiency, and long-term durability. Trusted across industries, our machines are built to meet the rigorous demands of professional welders and industrial fabricators.

The STRONG ARC INVERTER 402 stands out for its reliability, performance, and power, making it a trusted choice for your toughest welding needs.


Hyunald Electric Weld
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