Hyunald Electric Weld

By Hyunald Electric Weld – Leading Manufacturer & Supplier of of Strong ARC 502 DC Inverter Heavy Welding Machine

High-Amperage ARC Welding for Industrial Power Users

The STRONG ARC INVERTER 502 is an industrial-grade DC inverter welding machine engineered by Hyunald Electric Weld for high-amperage, heavy-duty welding tasks. Designed to handle the most demanding fabrication and repair jobs, this machine delivers up to 502A output, backed by efficient IGBT inverter technology for exceptional arc performance, energy savings, and long-term durability.

Whether you're in heavy fabrication, shipbuilding, construction, or pipeline welding, the STRONG ARC 502 ensures consistent weld quality, reduced spatter, and excellent penetration across multiple metals and electrode types.

Features & Benefits :

  • High Welding Output (502A) - Suited for thick metal plates and high-strength welding needs.
  • Advanced IGBT Inverter Control – : Delivers stable, smooth arc with high energy efficiency.
  • 80% Duty Cycle @ Full Load - Enables long welding operations without performance drop.
  • Low Spatter & Clean Finish - Reduces post-weld clean-up and material waste.
  • Multi-Metal Electrode Support -Compatible with mild steel, stainless steel, cast iron, and more.
  • Built-In Safety Protections - Overheat, overload, and overvoltage protection systems.
  • Sturdy, Portable Design - Built for rugged use with ergonomic portability for industrial settings.
  • Low Power Consumption - Increases efficiency and reduces operating costs.

Industrial Applications -

  • Heavy Steel Structure Welding
  • Pipeline & Pressure Vessel Fabrication
  • Shipbuilding & Marine Construction
  • Mining Equipment Repairs
  • Construction Machinery Welding
  • Industrial Manufacturing Workshops

Technical Specifications -

Model STRONG ARC INVERTER 502
Input Voltage 415V ±10%, 3-Phase, 50/60Hz
Output Current Range 20A – 502A
Rated Input Power 16 kW
Duty Cycle 80% @ 502A
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. 40 kg

Hyunald Electric Weld – Trusted Manufacturer & Supplier

As a leading manufacturer and supplier of premium industrial welding equipment, Hyunald Electric Weld offers the STRONG ARC INVERTER 502 to meet the highest standards in performance, safety, and durability. This welding machine is engineered for professionals who demand precision and reliability on every job.


Hyunald Electric Weld
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