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Heavy-Duty Industrial IGBT Inverter

LEADER ARC-500S Welding Machine

Precision 500A Arc Power for Demanding Fabrication

Industrial-Grade Arc Stability

The LEADER ARC-500S is an ultra-high performance inverter welder designed for large-scale industrial projects. Featuring advanced IGBT technology, it delivers massive power with a stable arc, suitable for electrodes up to 5.0mm. With an impressive 60% duty cycle at 500A, this machine is engineered for continuous, high-intensity operations in shipbuilding, structural construction, and heavy metal fabrication.

Advanced Operational Features

• Hot Start & Arc Force: Ensures smooth arc initiation and prevents sticking even in difficult conditions.
• High Efficiency (89%): Optimized power conversion for reduced operational costs.
• Continuous Duty: 60% duty cycle at peak 500A output for uninterrupted production.
• Robust Portability: Engineered for industrial mobility despite high-power capability.

Technical Specifications

Welding Range	40 – 500 A
Duty Cycle	60% @ 500A
Input Power	25 kVA (380V)
Electrode Capacity	2.5 – 5.0 mm
Weight	~26 kg

Professional Insight: The ARC-500S excels in heavy metal fabrication. When operating at max current (500A), ensure adequate ventilation and check that the welding cables are properly secured to prevent voltage drops and maintain arc stability.

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