Hynald Electric Weld

By Hyunald Electric Weld – Leading Manufacturer & Supplier of Heavy Welding Machine

High-Performance ARC Welding for Industrial Demands

The STRONG ARC INVERTER 402 by Hyunald Electric Weld is a robust, heavy-duty DC inverter welding machine designed for demanding industrial applications. Built with advanced IGBT inverter technology, this welding system delivers stable arc performance, deep weld penetration, and energy-efficient operation.

Capable of handling continuous welding in high-stress environments such as shipyards, fabrication plants, and construction sites, the STRONG ARC 402 is ideal for professional welders who require consistent quality and reliability.

Features & Benefits :

  • Powerful Output (402A) - Delivers high welding current for thick materials and heavy fabrication work.
  • Advanced IGBT Inverter – Ensures smooth, stable arc with high energy efficiency.
  • High Duty Cycle (80% @ 402A) - Suitable for continuous, high-load industrial operations.
  • Low Spatter & Deep Penetration -Produces clean, precise, and strong welds.
  • Electrode Compatibility - Works with a wide range of electrode sizes (2.5mm to 6.3mm).
  • Overload & Thermal Protection - Built-in safeguards to protect the machine in harsh environments.
  • Rugged Construction - Industrial-grade metal body for durability in factory and field settings.
  • Portable Design - Sturdy handles and compact form make it easy to move and install.

Industrial Applications -

  • Structural Fabrication Units
  • Heavy Equipment Repair & Maintenance
  • Pipeline & Pressure Vessel Welding
  • Metal Fabrication Workshops
  • Industrial Construction & Manufacturing

Technical Specifications -

Model STRONG ARC INVERTER 402
Input Voltage 415V ±10%, 3-Phase, 50/60Hz
Output Current Range 30A – 402A
Rated Input Power 14 kW
Duty Cycle 80% @ 402A
Efficiency ≥90%
Power Factor 0.96
Electrode Diameter 2.5mm – 6.3mm
Cooling System Air-cooled (high-speed fan)
Insulation Class H
Protection Class P23
Weight Approx. 35 kg

As a trusted manufacturer and supplier of Heavy Welding Machine, Hyunald Electric Weld delivers high-performance solutions engineered for power, efficiency, and durability. The STRONG ARC 402 DC INVERTER HEAVY WELDING MACHINE is a perfect choice for professionals seeking reliable and powerful welding equipment for industrial and heavy-duty applications.


Hyunald Electric Weld
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