Digital Heavy Strong ARC / DC TIG 502 PA Pulse Inverter Welding Machine
By Hyunald Electric Weld – Leading Manufacturer & Supplier of
Digital Heavy Strong ARC / DC TIG 502 PA Pulse Inverter Welding Machine
Category: Digital Heavy ARC / DC TIG Inverter Welding Machine
The STRONG ARC / DC TIG 502 PA PULSE is a next-generation digital inverter welding machine developed by Hyunald Electric Weld for demanding industrial welding operations. With a maximum output of 500A, advanced pulse TIG capability, and IGBT inverter technology, it delivers excellent welding control, arc stability, and performance across a wide variety of metals and environments.
This heavy-duty machine is designed for professionals working in construction, shipbuilding, oil & gas, power plants, and other high-output sectors. From TIG welding stainless steel to ARC welding heavy sections, the 502 PA PULSE handles it all with precision and power.
Features & Benefits -
- Dual Mode Operation (ARC + TIG) - Easily switch between MMA (Stick) and TIG modes for versatile industrial use
- Pulse TIG Technology – Provides precise control over heat input and penetration—ideal for thin metals and intricate welding.
- Digital Control Interface - Easy-to-read display with adjustable pulse frequency, base/peak current, up/down slope, and pre/post flow.
- High Output Capacity (500A) - Engineered for deep penetration welding and long-duty operation in heavy industries .
- 80% Duty Cycle @ 500A - Built for continuous use in high-load production environments.
- IGBT Inverter Efficiency - Consumes less power, produces less heat, and ensures steady arc performance.
- Advanced Safety Features - Over-voltage, overload, and thermal protection systems included.
- Industrial Cooling System - Powerful fan-cooled design for consistent operation.
- Rugged Industrial Casing - Durable construction suited for workshops, plants, and field operations.
Applications -
- Pressure Vessel & Pipeline Welding.
- Large-Scale TIG Fabrication Work .
- Power Plants & Thermal Equipment Manufacturing.
- Industrial Maintenance & Repair .
- Shipbuilding & Marine Welding.
- Stainless Steel TIG Welding.
- Heavy Equipment & Machinery Welding.
Technical Specifications -
| Model | STRONG ARC / DC TIG 502 PA PULSE |
| Category | Digital Heavy ARC/DC TIG Inverter Welding Machine |
| Input Voltage | 415V ±10%, 3 Phase, 50/60Hz |
| Rated Input Power | 24 kVA |
| Output Current (TIG) | 20A – 500A |
| Output Current (MMA) | 30A – 500A |
| No-load Voltage | 75V |
| Duty Cycle | 80% @ 500A |
| Pulse Frequency | 0.5 – 300 Hz |
| Base/Peak Current Control | Fully Adjustable |
| Efficiency | ≥ 90% |
| Power Factor | 0.95 |
| Cooling System | Industrial Fan Cooling |
| Insulation Class | H |
| Protection Class | IP23 |
| Weight | 45 – 50 kg (approx.) |
| Dimensions (L×W×H) | 610 × 400 × 520 mm (approx.) |
Hyunald Electric Weld – Trusted Manufacturer & Supplier
Hyunald Electric Weld is a reliable and innovative manufacturer and supplier of industrial inverter welding machines in India. The STRONG ARC / DC TIG 502 PA PULSE is engineered for professionals who require power, efficiency, and accuracy in every weld. Ideal for workshops, factories, and on-site projects, this digital TIG/ARC inverter machine guarantees excellent performance and lasting reliability.
