PENTAGON Heavy Duty MIG-CO2 Gas Shielded Inverter Welding Machine — MIG-250 3P
Industrial inverter welding solution designed for stable arc performance on mild steel and stainless steel. • Three phase 380-415 V AC input • Output current range 50 to 250 A • 60% duty cycle for heavy applications • External wire feeder included
Specifications
For: MIG-250 3P- Model No.
- MIG 250
- Welding Type
- MIG / MAG (Gas Shielded Welding)
- Technology
- IGBT Inverter
- Input Voltage
- 380-415 V AC
- Phase
- 3 (Three Phase)
- Rated Input Power
- Approx. 8 – 9 kVA
- Output Current Range
- 50 – 250 A
- Rated Output Voltage
- 26 – 30 V
- No-Load Voltage
- 50 – 60 V
- Duty Cycle
- 60%
- Efficiency
- ≥ 85%
- Power Factor
- ≥ 0.90
- Welding Wire Diameter
- 0.8 – 1.2 mm
- Wire Feeding System
- Automatic Wire Feeder
- Insulation Class
- F
- Protection Class
- IP21
- Cooling System
- Forced Air Cooling
- Machine Weight
- 25 – 28 kgs Approx
- Dimensions
- 620×390×580 mm
- Wire Feeder
- External Wire Feeder
Configurations
Click a row to switch| Variant | Output Current Range | Phase | Welding Wire Diameter | Duty Cycle | Price |
|---|---|---|---|---|---|
| MIG-250 3P | 50 – 250 A | 3 (Three Phase) | 0.8 – 1.2 mm | 60% | ₹38,800 |
| MIG-250 SP | 50 – 250 A | 1 (Single Phase) | 0.8 – 1.2 mm | 60% | ₹39,600 |
| MIG-400IJ | 40 – 400 A | 3 (Three Phase) | 0.8 – 1.2 / 1.6 mm | 60% | ₹65,500 |
| MIG 630I | 100 – 630 A (MIG) / 63 – 630 A (MMA) | 3 (Three Phase) | 0.8 / 1.0 / 1.2 / 1.6 mm | 60% | ₹1,02,000 |
Standard Accessories
- MIG Torch (Gun) with Cable
- Earth Clamp with Cable
- Gas Hose Pipe
- CO₂ / Argon Gas Regulator with Flow Meter
- Wire Feeder Unit
- Drive Rollers for Welding Wire
- Contact Tips and Gas Nozzle
More questions buyers ask
What is a MIG-CO2 Gas Shielded Inverter Welding Machine?
A MIG (Metal Inert Gas) CO2 Gas Shielded Inverter Welding Machine is a type of welder that uses a continuous solid wire electrode fed through a welding gun, with CO2 gas to shield the weld pool from atmospheric contamination. The inverter technology provides a stable, efficient power source for cleaner, stronger welds.
What are the benefits of IGBT Inverter Technology in these welders?
IGBT (Insulated Gate Bipolar Transistor) technology makes the welding machine more efficient, compact, and lightweight. It provides a highly stable arc, precise current control, and a high duty cycle, resulting in superior weld quality and lower power consumption compared to traditional transformer-based welders.
What materials can I weld with the PENTAGON MIG series?
These machines are primarily designed for welding mild steel, stainless steel, and other steel alloys. The MIG/MAG process is extremely versatile for metal fabrication across various thicknesses.
What does the 'duty cycle' percentage mean?
The duty cycle is the percentage of a 10-minute period that a welder can operate at its rated output current without overheating. For example, a 60% duty cycle means the machine can weld continuously for 6 minutes at its rated amperage and then needs to cool for 4 minutes.
What standard accessories are included with the machine?
Standard accessories typically include the MIG Torch with cable, an Earth Clamp with cable, a Gas Hose Pipe, a CO2/Argon Gas Regulator with a flow meter, and an external Wire Feeder unit with drive rollers.
Is a warranty provided for PENTAGON welding machines?
Yes, all PENTAGON welding machines sold on Gearo are backed by a manufacturer's warranty. We also provide a GST invoice for input tax credit and offer pan-India delivery.
Who should choose the PENTAGON MIG-250 3P model?
The MIG-250 3P is ideal for small to medium-sized fabrication workshops, garages, and maintenance departments that have access to a three-phase power supply. It offers a great balance of power (250A) and precision for welding materials of light to medium thickness.
Who should choose the PENTAGON MIG-250 SP (Single Phase) model?
The MIG-250 SP is the perfect choice for professionals who need the power of a 250A welder but work on sites with only single-phase power. It's excellent for construction sites, mobile repair services, and farm use.
Who should choose the PENTAGON MIG-400IJ model?
The MIG-400IJ is designed for heavy-duty industrial use. Fabrication shops working on structural steel, machinery manufacturing, and pressure vessels will benefit from its higher 400A output and ability to run thicker 1.6mm wires for deeper penetration and faster welding.
Who should choose the PENTAGON MIG-630I heavy-duty model?
The MIG-630I is the top-of-the-line model for the most demanding industrial applications. It's built for heavy engineering, shipbuilding, and large-scale structural fabrication where maximum power (630A) and a high duty cycle are critical for productivity.
What is the main difference between the MIG-250 SP and MIG-250 3P models?
The primary difference is the input power requirement. The MIG-250 SP runs on a single-phase (220V) supply, common in residential and light commercial settings, while the MIG-250 3P requires a three-phase (415V) supply, found in industrial environments. Both deliver a 250A output.
When should I upgrade from a MIG-250 to a MIG-400IJ welder?
You should consider upgrading to the MIG-400IJ when your projects consistently involve welding materials thicker than 6-8mm, or if you need to increase your welding speed and productivity on heavy fabrication jobs. The 400IJ's higher amperage and duty cycle are built for this step-up in demand.
How does the MIG-630I compare to the other models in terms of power?
The MIG-630I offers more than double the maximum amperage of the 250A models and significantly more power than the 400IJ. This massive 630A output allows for welding the thickest materials with deep penetration and high deposition rates, making it suitable for extreme heavy-duty applications where other models would be insufficient.
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Full description
Industrial inverter welding solution designed for stable arc performance on mild steel and stainless steel. • Three phase 380-415 V AC input • Output current range 50 to 250 A • 60% duty cycle for heavy applications • External wire feeder included







