
Official Technical Catalog (PDF)
Download Wiring Diagrams & Ratings
The AST 400 stands at the top of the series, offering a powerful 400A output suited for the most demanding welding applications, including construction sites and industrial maintenance. This heavy-duty industrial welding machine is designed for performance, with a rated power of 20 KVA. It supports multi-voltage operation on AC 220V/440V input and delivers a strong output of 75A-400A. Weighing 85 KGS, its rugged Durable Yellow Metal Housing and sturdy wheels make it excellent for outdoor fabrication. The AST 400 is the ultimate Made in India heavy-duty Transformer-Based welding machine for professionals needing maximum power and reliability.
₹34,810
75A-400A
AC 220V / 440V
60
Advanced Inverter Architecture
1.6mm - 5.0mm Compatible
IP21S Industrial Enclosure
Live Showroom Demo & Immediate Pickup
Peenya Industrial Area, Bengaluru · Mon–Sat: 9:00 AM – 8:00 PM
| Rated Input Voltage (V) | AC 220V / 440V |
|---|---|
| Input Frequency (Hz) | 50/60 |
| Rated Power (kVA) | 20 |
| Rated Input Current (A) | 65 |
| No Load Voltage (V) | 60 |
| Rated Output Current (A) | 75A-400A |
| Duty Cycle (%) | 60 |
| Efficiency (%) | 85 |
| Welder Weight (kg) | 85 |



