Ralli Wolf RT40 TIG 400IJ 400A DC TIG and MMA Inverter Welding Machine with IGBT Technology, High-Frequency Arc Starting and Adjustable Up-Slope & Down-Slope – 415V 3-Phase
Availability:Out of stock
Have a question?
The Ralli Wolf RT40 TIG 400IJ DC Inverter Welding Machine is a high-performance industrial welding solution designed for medium and heavy fabrication applications. With an adjustable output current range of 10–400A, this machine supports DC TIG and MMA (stick) welding, offering flexibility for different welding requirements.
Powered by IGBT inverter technology, the RT40 features high-frequency arc starting, adjustable up-slope and down-slope functions, and post-flow control to support stable arc performance and consistent weld quality. Its 415V three-phase input makes it suitable for industrial workshops, production facilities, pipe welding and heavy fabrication environments.
Key Features
-
400A welding output for demanding industrial applications.
-
Dual welding functions: DC TIG and MMA.
-
IGBT inverter technology for reliable welding performance.
-
High-frequency arc starting for convenient TIG arc ignition.
-
Adjustable up-slope and down-slope for greater control over welding current.
-
Post-flow function to help protect the weld area and tungsten electrode after welding.
-
Arc force and anti-sticking support for MMA welding.
-
Remote control function for added operating flexibility.
-
60% duty cycle at the manufacturer's specified rating.
-
Designed for medium and heavy fabrication work.
Applications
-
Medium and heavy metal fabrication
-
Pipe welding and tube-mill production
-
Welding of steel and stainless-steel components
-
High-pressure vessel fabrication
-
Industrial maintenance and repair
-
Construction and engineering workshops
-
Production and manufacturing facilities
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ralli Wolf |
| Model | RT40 |
| Product Type | DC TIG Inverter Welding Machine |
| Welding Current Capacity | 400A |
| Input Supply | AC 415V ±15%, 50Hz |
| Phase | 3-Phase |
| Power Rating | 18.2 kVA |
| Output Current Range | 10–400A |
| Rated Output Voltage | 36V |
| No-Load Voltage | 70V |
| Duty Cycle | 60% |
| Inverter Technology | IGBT |
| Welding Functions | DC TIG and MMA |
| Arc Starting | High Frequency |
| Pre-Flow | 0–5 seconds |
| Post-Flow | 0–5 seconds |
| Efficiency | 85% |
| Power Factor | 0.93 |
| Net Weight | Approx. 29.5 kg |
Package Details
Package contents may vary by supplier. Typical listed welding accessories include:
-
TIG welding torch
-
Electrode holder
-
Earthing clamp
-
Relevant welding cables













