Official Technical Catalog (PDF)
Download Wiring Diagrams & Ratings
ARC 300 St Welding Machine
The ARC 300 ST is an advanced heavy-duty welding solution engineered for fabrication units and industrial sites needing high current output. Powered by IGBT technology, it maintains a highly stable arc at 20–300A with excellent thermal efficiency. This model supports continuous welding with 3.15mm electrodes and can handle 4.0mm electrodes as well, offering versatility across structural welding, repair jobs, and metal fabrication. With strong overload protection and high duty cycles, the ARC 300 ST is built to deliver long, uninterrupted welding sessions. Its sturdy industrial design ensures durability while maintaining portability for jobsite mobility.
₹11,493
Key Engineering Parameters
20A-300A
120-560V AC (Auto Sensing)
60% @ 300A
Five Board IGBT
1.6mm - 5.0mm Compatible
IP21S
Live Showroom Demo & Immediate Pickup
Peenya Industrial Area, Bengaluru · Mon–Sat: 9:00 AM – 8:00 PM
Engineering Datasheet & Applications
| Technology | Five Board IGBT |
|---|---|
| Input Voltage | 120-560V AC (Auto Sensing) |
| Output Current | 30A-300A DC |
| Duty Cycle | 60% @ 300A |
| No Load Loss | < 15W |
| Protection Class | IP21S |
| VRD Function | Yes |
| Weight | 9 kg |
| Dimensions | 415×200×300 mm |
| Applications | Construction, Farm Equipment Repair, Infrastructure Projects |
| Electrode Compatibility | 2.5-6.0mm |
| Rated Input Voltage (V) | AC 220V/440V |
| Input Frequency (Hz) | 50/60 |
| Rated Power (kVA) | 6.8 |
| Rated Input Current (A) | 42 |
| No Load Voltage (V) | 75 |
| Rated Output Current (A) | 20A-300A |
| Duty Cycle (%) | 60 |
| Power Factor | 0.73 |
| Efficiency (%) | 85 |
| Insulation Class | F |
| Gross Weight (kg) | 9 |
| Welder Size | 413×200×330 |
| Packing Size | 482×280×410 |
| Supported Electrode | 2.5(100%) - 3.15(100%) |
Compare Related Welding Systems
