ARC 250 ST WELDING MACHINE
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Technical Specifications
Technical details of the ADONWELD ARC 250 ST inverter welding machine.
| Specification | ARC 250 ST |
|---|---|
| Welding Current | 20 – 250A |
| Input Voltage | 220V / 440V ±15% |
| Phase | Single / Two Phase |
| Duty Cycle | 60% @ 250A |
| Open Circuit Voltage | 70V |
| Electrode Size | 1.6 / 2.5 / 3.2 / 4.0 mm |
| Efficiency | ≥ 85% |
| Power Factor | 0.93 |
| Cooling | Forced Air |
| Generator Compatible | Yes |
| Dimensions (L×W×H) | 420 × 170 × 320 mm |
| Weight | Approx. 6 kg |
Key Features
Engineered for reliable performance, portability and demanding welding work.
Stable & Smooth Arc
Consistent arc performance with smooth and controlled welding.
IGBT Inverter Technology
Efficient inverter technology for reliable welding performance.
Lightweight & Portable
Compact design makes it easy to carry between workshop and job site.
Multi-Protection
Protection against over-current, over-voltage and overheating.
Wide Input Voltage
Designed for 220V / 440V input supply conditions.
Generator Friendly
Suitable for outdoor and site welding applications.
Welding Applications
Reliable ARC welding performance for fabrication, structural work, repair, maintenance and industrial welding applications.
Suitable Materials
Suitable for commonly used ferrous metals in fabrication, structural, repair and maintenance welding applications.
Plate Thickness & Electrode Guide
| Electrode Size |
Recommended Plate Thickness |
Typical Application |
|---|---|---|
| 1.6 mm | 1 – 3 mm |
Light fabrication, thin sheet |
| 2.5 mm | 3 – 6 mm |
General fabrication, repair |
| 3.2 mm | 6 – 12 mm |
Structural work, fabrication |
| 4.0 mm | 10 – 20 mm |
Heavy fabrication (multi-pass) |
ARC Welding Machine Comparison
| Feature | ARC 200 | ARC 250 | ARC 300 | ARC 400 |
|---|---|---|---|---|
| Output Current | 200A | 250A | 300A | 400A |
| Electrode Size | 1.6–3.2 | 1.6–3.2 | 1.6–3.2 | 1.6–4.0 |
|
Recommended Plate Thickness |
1–8 mm | 3–12 mm | 5–16 mm | 8–25 mm |
| Best For | Light work |
Workshop / Site work |
Structural work |
Heavy duty work |
What's Included
How to Choose ARC 250?
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FAQ (Short View)
Quick answers to common questions about the ADONWELD ARC 250 welding machine.
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