The Rectifier Welding Machine is designed for continuous, high-performance welding operations. Built with robust silicon rectifier / thyristor technology, it delivers stable DC output, excellent arc characteristics, and efficiency for industrial fabrication and repair work.
Key Features:
Technology: Silicon Rectifier / Thyristor Controlled
Current Output: Smooth DC output for superior welding quality
Duty Cycle: High duty cycle for long, uninterrupted welding sessions
Stability: Strong arc with minimum spatter and deep penetration
Protection: Overload and thermal protection for operator safety
Design: Rugged construction for industrial use, long-lasting durability
Applications: Heavy fabrication, shipbuilding, railways, structural welding, pipelines, and manufacturing
| Technical Specification | Model VMW – Rectifier 400 / 600 / 800 |
|---|---|
| Input Voltage | 415V ±15% (Three Phase, 50/60Hz) |
| Rated Input Power Capacity | 20 – 45 kVA (depending on model) |
| Welding Current Range | 60 – 800 AMP (Adjustable) |
| Rated Duty Cycle | 60% – 100% (varies by capacity) |
| Welding Process | DC Arc Welding (MMA / SMAW) |
| No-Load Voltage (OCV) | 65 – 80V |
| Efficiency | ≥ 85% |
| Power Factor | 0.90 – 0.93 |
| Cooling System | Forced Air |
| Protection Class | IP23 |
| Functions | Hot Start, Arc Force, Anti-Stick |
| Electrode Diameter | 2.5mm – 8.0mm |
| Weight | ~90 – 140 Kg (depends on model) |
| Applications | Fabrication shops, shipyards, pressure vessels, steel structures, heavy industries |

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