The Ralli Wolf RA40 (ARC 400IJ) is a heavy-duty, IGBT-based inverter welding machine engineered for professionals who demand consistent, X-ray quality welds on the toughest jobs. Built on High Frequency IGBT technology, this constant current power source is ideal for both MMA (Stick) and TIG welding applications across industrial and fabrication environments.
With auto-compensation for input voltage fluctuation, the RA40 delivers a stable arc even in areas with unreliable power supply — helping you weld with confidence while keeping your electricity bills lower.
KEY FEATURES
- High Frequency IGBT-Based Technology for superior arc control and welding efficiency
- Auto Voltage Compensation — handles input fluctuations smoothly
- Smooth, Stable Arc for consistent, X-ray quality welding results
- Conforms to IS-4559 industry safety and performance standards
- Built-in Protection against overheating, over-voltage, and over-current
- VRD (Voltage Reduction Device) function for enhanced operator safety
- Remote Socket included for optional remote current control
- Ideal Constant Current Source for both MMA and TIG welding
- Lower Electricity Consumption compared to conventional transformer-based welders
Built for Industrial Reliability
Every Ralli Wolf welding machine is manufactured under an ISO 9001:2015 certified process, reflecting the brand's 60+ years of engineering trust across India's welding and fabrication industry.
TECHNICAL SPECIFICATIONS
| Specification | Value |
|---|---|
| Model | RA40 (ARC 400IJ) |
| Input Voltage | AC 415V ± 15%, 3 Phase |
| Frequency | 50/60 Hz |
| Rated Input Current | 25.3 A |
| Power (KVA) | 18.2 |
| No-Load Voltage | 75 V |
| Output Current Range | 40–400 A |
| Rated Output Voltage | 36 V |
| Duty Cycle | 60% |
| No-Load Loss | 80 W |
| Efficiency | 85% |
| Power Factor | 0.93 |
| Insulation Grade | H |
| Housing Protection Grade | IP23 |
| Inverter Technology | IGBT |
| Dimensions (L x W x H) | 535 x 255 x 485 mm |
| Net Weight (approx.) | 28 kg |
Applications
- ARC/MMA welding
- Heavy-duty fabrication
- Industrial welding
- Steel fabrication
- Workshop welding
- Construction and site welding
- Structural metalwork
- Machinery repair and maintenance
- General metal fabrication
- Professional welding applications
- workshops.
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