The Ralli Wolf RT40 (TIG 400IJ) is a high-capacity DC TIG welding machine built for industrial applications requiring higher current output alongside precise arc control. With high frequency ignition, superior arc performance, and a post-flow function, it delivers clean, stable welds while economising tungsten use through its stable output and high duty cycle. The machine also includes an MMA welding function, giving fabricators added versatility from a single unit. Mounted on a mobile trolley design with wheels for easy job-site movement, the RT40 combines light and compact handling with strong 400A output. Backed by Ralli Wolf's 60+ years of manufacturing expertise and ISO 9001:2015 certification, it's a dependable choice for demanding industrial TIG welding work.
KEY FEATURES
- High frequency ignition
- Superior arc performance
- Post-flow function
- Light and compact, easy to carry and use
- Economises tungsten use with a stable output and high duty cycle
- Built-in MMA welding function
- Mobile trolley design with wheels for easy transport
- IGBT inverter technology
TECHNICAL SPECIFICATION
| Specification | Value |
|---|---|
| Model | RT40 (TIG 400IJ) |
| Input Voltage | AC 415V ± 15%, 3 Phase, 50Hz |
| Rated Input Current | 18.2/25.3 A |
| Power (KVA) | 18.2 |
| No-Load Voltage | 70 V |
| Output Current | 10–400 A |
| Rated Output Voltage | 36 V |
| Duty Cycle | 60% |
| No-Load Loss | 80 W |
| Efficiency | 85% |
| Power Factor | 0.93 |
| MMA Function | Available |
| Inverter Technology | IGBT |
| Pre-Flow | 0–5 Sec |
| Post-Flow | 2.5 Sec |
| Arcing Way | High Frequency |
| Net Weight | 29.5 kg |
APPLICATION
- Industrial DC TIG welding for steel and stainless steel
- MMA (Stick) welding for general fabrication
- Heavy fabrication requiring higher current TIG output
- Workshops needing mobile, trolley-mounted welding equipment
- Jobs requiring both TIG and MMA capability from one machine
- Applications requiring stable arc with minimal tungsten wear
WHY CHOOSE THIS (Ralli Wolf RT40)
- Delivers up to 400A DC TIG output for demanding industrial welding jobs
- Combines TIG and MMA welding functions in a single versatile unit
- High frequency ignition ensures smooth, reliable arc starts
- Post-flow function protects the weld pool and tungsten electrode after welding stops
- Economises tungsten use while maintaining stable output and high duty cycle
- Mobile trolley design with wheels makes it easy to move around job sites
- IGBT inverter technology ensures stable, efficient high-current performance
- Backed by Ralli Wolf's 60+ years of trusted engineering and ISO 9001:2015 certification
Related Products
Ralli Wolf RT25 TIG 250A DC Inverter Welding Machine with MMA Function (415V 3-Phase)
The Ralli Wolf RT25 (TIG 250A) is a light and compact DC inverter welding machine that combines TIG and MMA welding in a single, easy-to-carry unit...
Ralli Wolf RT63 TIG 630IJ Heavy Duty Inverter Welding Machine (630A, 415V 3-Phase)
The Ralli Wolf RT63 (TIG 630IJ) is a heavy-duty TIG series inverter welding machine built for superior performance in demanding industrial applicat...
Ralli Wolf RC80 CUT80 Air Plasma Cutting Machine (80A, 415V 3-Phase, IGBT)
The Ralli Wolf RC80 (CUT80) is an IGBT-based air plasma cutting machine designed to cut metals fast, cleanly, and economically. With pilot-arc tech...
Ralli Wolf RW20A ARC 200 IGBT Inverter Welding Machine (200A, 230V Single Phase)
The Ralli Wolf RW20A (ARC 200) is a compact, lightweight, and portable inverter welding machine designed for single-phase domestic and light indust...
Ralli Wolf RA63 ARC 630 Heavy Duty IGBT Inverter Welding Machine (630A, 415V 3-Phase)
The Ralli Wolf RA63 (ARC 630) is a heavy-duty IGBT technology-based MMA power source built for the toughest industrial welding applications where h...
Ralli Wolf RA60N ARC 600I IGBT Inverter Welding Machine (600A, 415V 3-Phase)
The Ralli Wolf RA60N (ARC 600I) is a high-frequency IGBT-based inverter welding machine engineered for heavy industrial applications demanding high...
Ralli Wolf RA50 ARC 500IJ IGBT Inverter Welding Machine (500A, 415V 3-Phase)
The Ralli Wolf RA50 (ARC 500IJ) is a high-capacity IGBT inverter welding machine built for heavy-duty industrial applications requiring higher ampe...
Ralli Wolf RA40H ARC 400H IGBT Inverter Welding Machine (400A, 415V 3-Phase)
The Ralli Wolf RA40H (ARC 400H) is a versatile inverter welding machine designed to handle a wide range of electrode types, including general purpo...
Ralli Wolf RA40HK ARC 400HK IGBT Inverter Welding Machine (400A, 415V 3-Phase)
The Ralli Wolf RA40HK (ARC 400HK) is a compact, lightweight, and power-saving inverter welding machine that delivers strong current output and supe...
Ralli Wolf RA40HD ARC 400HD IGBT Inverter Welding Machine (400A, 415V 3-Phase)
The Ralli Wolf RA40HD (ARC 400HD) is a rugged, heavy-duty IGBT-based inverter welding machine designed for continuous industrial use, including sit...
Ralli Wolf RA25S ARC 250 Inverter Welding Machine
The Ralli Wolf RA25S ARC 250 Inverter Welding Machine is an ARC 250 welding machine designed for general fabrication and maintenance works. It feat...
Ralli Wolf RA25 ARC 250 Inverter Welding Machine
The Ralli Wolf RA25 ARC 250 Inverter Welding Machine is a MOSFET-based ARC welding machine designed for general fabrication and maintenance works. ...
Ralli Wolf RA20 ARC 200 Inverter Welding Machine
The Ralli Wolf RA20 ARC 200 Inverter Welding Machine is a compact, lightweight and portable welding machine designed for reliable ARC welding perfo...
Ralli Wolf R76 ARC 200 Inverter Welding Machine 200A
The Ralli Wolf R76 ARC 200 Inverter Welding Machine is a compact and lightweight ARC welding machine designed for efficient and reliable welding pe...
Ralli Wolf RA40HD+ 3-Phase IGBT Industrial ARC Welding Machine
The Ralli Wolf RA40HD+ is a premium, industrial-grade 3-phase ARC welding machine built with IGBT module technology for maximum power, reliability,...
Ralli Wolf RA40HI 3-Phase Industrial ARC Welding Machine
The Ralli Wolf RA40HI is a rugged, industrial-grade 3-phase ARC welding machine engineered for demanding heavy-duty applications where power, preci...
Ralli Wolf RA40GT Digital ARC Welding Machine
The Ralli Wolf RA40GT is a heavy-duty 400 Amps digital ARC welding machine engineered for the most demanding industrial welding applications. Backe...
Ralli Wolf RA30D Digital ARC Welding Machine
The Ralli Wolf RA30D is a high-capacity 315 Amps digital ARC welding machine built for heavy-duty industrial and structural welding applications re...
Ralli Wolf RA25D Digital ARC Welding Machine
The Ralli Wolf RA25D is a powerful 250 Amps digital ARC welding machine designed for professionals who need reliable performance across single-phas...
Ralli Wolf RC50 50L 2.5HP Air Compressor | 2000W Oil-Lubricated Compressor
The Ralli Wolf RC50 is a 50-litre air compressor designed for workshop, automotive, maintenance and general compressed-air applications. It feature...
Ralli Wolf RC30-OI 30L Air Compressor 2HP | Oil-Free 1500W Compressor
The Ralli Wolf RC30-OI 30L Air Compressor is an industrial-quality compressed-air solution designed for workshops, maintenance operations, pneumati...
METALARC Air Carbon Arc Gouging Rod – 6mm & 9mm
METALARC Gouging Rods are copper-coated carbon electrodes designed for air carbon arc gouging. The process uses an electric arc to melt the metal, ...
ESAB Xpert 7018 & 7018-1 Basic Coated Welding Electrodes
ESAB Xpert 7018 Welding Electrodes are basic-coated electrodes developed for reliable manual metal arc welding applications. Their hydrogen-control...
ESAB FERROAMP Mild Steel Stick Electrode (E6013)
ESAB FERROAMP is a medium-coated, general-purpose mild steel stick electrode designed for SMAW (Shielded Metal Arc Welding) applications. It provid...
ESAB 28 Mild Steel E6013 Welding Electrode
ESAB 28 is a medium-heavy rutile-coated mild steel electrode designed for welding unalloyed structural steels in all positions. It produces a smoot...
ESAB Superweld 6013 / SW 6013 Mild Steel Welding Electrode
ESAB Superweld 6013, also known as SW 6013 / SW Plus, is a high-quality rutile-coated mild steel welding electrode designed for general-purpose SMA...
ADOR ZEDALLOY 12 Mn Hardfacing Welding Electrode
ADOR ZEDALLOY 12 Mn is a hardfacing welding electrode designed for applications involving severe impact and gouging-type abrasion wear. It features...
ADOR KINGBOND S E6013 Mild Steel General Purpose Welding Electrode
ADOR KINGBOND S is a Mild Steel General Purpose (MSGP) welding electrode designed for general fabrication and light construction applications. It f...
ADOR KINGBOND E6013 Mild Steel General Purpose Welding Electrode
ADOR KINGBOND is a mild steel general-purpose welding electrode (MSGP) designed for a wide range of fabrication and structural welding applications...
ADOR ZEDALLOY 550 Hardfacing Welding Electrode
ADOR ZEDALLOY 550 is a hardfacing welding electrode designed for applications involving moderate abrasion and impact. It features a rutile coating ...
ADOR ZEDALLOY 350 Hardfacing Welding Electrode
ADOR ZEDALLOY 350 is a hardfacing welding electrode designed for applications requiring a good combination of abrasion and impact resistance. It fe...
ADOR TENALLOY 16W E7016 C-Mn Steel Low Hydrogen Welding Electrode
ADOR TENALLOY 16W is a C-Mn steel low-hydrogen welding electrode classified to AWS A/SFA 5.1 E7016. It features a basic-type coating, all-position ...
ADOR SUPABASE X PLUS E7018 H4R C-Mn Steel Low Hydrogen Welding Electrode
ADOR SUPABASE X PLUS is a C-Mn steel low-hydrogen welding electrode designed for demanding fabrication and structural welding applications. It is a...
ADOR SUPABASE E7018 C-Mn Steel Low Hydrogen Welding Electrode
SUPABASE is a C-Mn steel low-hydrogen welding electrode designed for demanding welding applications requiring reliable weld quality and good mechan...
BESTARC MS-11 E6013 Mild Steel Welding Electrode
BESTARC MS-11 is a rutile-type, general-purpose mild steel welding electrode classified as AWS A5.1 E6013. It is designed for welding mild steel in...
ALFA STELLITE 6 COBALT-BASED ALLOY – Welding Rod / Wire
ALFA Stellite 6 is a cobalt-based, wear-resistant alloy filler material designed for hardfacing and welding applications where excellent resistance...
ADOR TIG/MIG 203 A Copper-Tin Phosphor Bronze Filler Rod / Wire
ADOR TIG/MIG 203 A is a copper-tin (phosphor bronze) filler rod/wire designed for welding copper alloys using TIG and MIG welding processes. It pro...
STARBLAZE E70S2 MIG Welding Coil
STARBlaze E70S2 MIG Welding Coil is a solid mild-steel welding wire designed for MIG/GMAW welding applications. ER70S-2 is a triple-deoxidized wire...
North 24KD MIG Welding Torch – Heavy Duty
The North 24KD MIG Welding Torch is a heavy-duty, air-cooled MIG/CO₂ welding torch designed for professional fabrication, workshop, automotive, and...
36KD MIG Welding Torch – 360A Heavy Duty
36KD MIG welding Torch is a heavy-duty MIG/MAG welding torch designed for professional fabrication, industrial welding, workshops, repair work, and...
25AK MIG Welding Torch 250A – Heavy Duty MIG Welding Torch
The 25AK MIG Torch is a medium-duty air-cooled welding torch used in MIG/MAG welding applications. It is known for its higher current capacity, dur...
15AK MIG Welding Torch
The 15AK MIG Welding Torch is a lightweight, air/gas-cooled MIG/MAG torch designed for light-duty welding applications. Standard 15AK specification...
ALFA 316LT1 Stainless Steel Flux Cored Welding Wire
ALFA 316L Stainless Steel Flux Cored Welding Wire is a low-carbon, austenitic stainless steel flux cored wire designed for all-position welding. It...
ALFA 309LT1 Stainless Steel Flux Cored Welding Wire
ALFA 309LT1 Stainless Steel Flux Cored Welding Wire is designed for all-position welding of similar 309L alloys and for joining 300-series stainles...
ALFA MAKE 308LT-1 Stainless Steel Flux Cored Welding Wire
ALFA 308LT-1 is a stainless steel flux cored welding wire designed for all-position welding using CO₂ or Argon + CO₂ mixed shielding gases. It fea...
ALFA ER410L Stainless Steel MIG Welding Wire
ALFA ER410L Stainless Steel MIG Welding Wire is an extra-low-carbon solid MIG welding wire designed to deposit martensitic stainless steel weld met...
ALFA ER316L Stainless Steel MIG Welding Wire
ALFA ER316L Stainless Steel Welding Wire is a solid, smooth wire primarily intended for welding low-carbon, molybdenum-alloyed 316L austenitic stai...
ALFA ER309L Stainless Steel MIG Welding Wire
ALFA 309L / ER309L is an extra-low-carbon austenitic stainless steel filler wire. It deposits approximately 24% Cr / 13% Ni austenitic stainless st...
ALFA ER308L Stainless Steel MIG Welding Wire
ALFA ER308L Stainless Steel MIG Welding Wire is a solid, smooth welding wire primarily designed for welding low-carbon 18% Cr, 10% Ni Type 304 and ...
















































