Strong Arc Inverter 630 Industrial Welding Machine
By Hyunald Electric Weld –
Manufacturer & Supplier of Industrial Welding Machines
Category: ARC Inverter Industrial Welding Machine
Ultimate ARC Welding Power for Large-Scale Industrial Applications
The STRONG ARC INVERTER 630 is an ultra high-capacity DC inverter ARC welding machine, specifically engineered for extra-heavy industrial welding tasks. Designed with robust IGBT inverter technology, this 630A welding machine delivers superior arc stability, deep fusion, and long operational cycles, making it the ideal solution for large-scale projects such as shipbuilding, structural fabrication, oil & gas pipelines, and heavy machinery repair.
Built to endure extreme workloads, the STRONG ARC 630 is a top choice for professional welders demanding maximum welding power, efficiency, and reliability.
Features & Benefits :
- Massive Output Capacity - 630 A - Built for welding thick sections and large fabrication structures.
- IGBT Inverter Technology – Optimizes power usage while maintaining smooth arc characteristics.
- Extra-Heavy Duty Cycle – 80%- Handles long-duration industrial welding without overheating .
- Low Spatter, Deep Penetration - High-quality welds with minimal cleanup .
- Compatible with Multiple Electrodes - Works with electrodes up to 6.3mm .
- Smart Protection System - Safeguards against over-current, overheating, and voltage spikes .
- Air Cooling with High-Speed Fan - Enhances machine longevity and performance.
- Industrial-Grade Housing Strong build quality for tough workshop or on-site conditions.
Applications & Industries -
- Shipbuilding & Marine Engineering
- Heavy Structural Steel Fabrication
- Oil & Gas Pipeline Welding
- Construction & Infrastructure Projects
- Mining & Earth-moving Equipment Repair
- Power Plants & Industrial Maintenance
Technical Specifications -
| Model | STRONG ARC INVERTER 630 |
| Category | ARC Inverter Industrial Welding Machine |
| Also Known As | STRONG ARC 630 DC INVERTER |
| Manufacturer & Supplier | Hyunald Electric Weld |
| Input Voltage | 415V ±10%, 3 Phase, 50/60Hz |
| Rated Input Power | 20 kW |
| Output Current Range | 50A – 630A |
| No-Load Voltage | 80V |
| Duty Cycle | 80% @ 630A |
| Efficiency | ≥ 90% |
| Power Factor | 0.96 |
| Electrode Size | 3.2mm – 6.3mm |
| Cooling System | Air-Cooled |
| Insulation Class | H |
| Protection Class | IP23 |
| Weight | Approx. 42 – 48 kg |
| Dimensions (L×W×H) | 580 × 300 × 460 mm (approx.) |
Product Category -
Industrial Welding Machine
Ideal for professional welders and medium-scale fabrication units requiring consistent performance and portability.
About Hyunald Electric Weld – Manufacturer & Supplier
Hyunald Electric Weld is a renowned manufacturer and supplier of high-performance industrial welding machines, specializing in inverter technology for ARC, MIG, and TIG welding. Known for rugged build quality and cutting-edge performance, our machines are designed for professional welders across industries.The STRONG ARC INVERTER 630 is the flagship model for ultra-heavy welding, delivering unmatched power, durability, and productivity in the toughest working environments.
