R-Tech TIG Welder Digital AC/DC 400 Amp 415v


R-Tech TIG Welder Digital AC/DC 400 Amp 415v

The R-Tech TIG400EXT is a power-packed 400Amp AC/DC TIG welder with 415V input, 4 AC waveforms, 9 Job memory store, True 4 way trigger latching with pre/post gas, slope up/down and start/final amps, LED display, advanced pulse welding and SSC remote foot pedal and a massive 60% duty cycle
£2,395.00 +VAT £2,874.00 Incl. VAT

Availability: In stock

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£2,395.00 +VAT £2,874.00 Incl. VAT


Technical Specifications


 Amperage range DC 5-400A,  AC 10-400A,   MMA 20-315A 
 Duty cycle  TIG 400A 60% - MMA 315A 35% 
 TIG 315A 100% - MMA 250A 60%
 Input voltage/amps  415v 3 Phase 22A No load voltage 70v
 Memory Stores  9 
 AC Frequency  20 - 250 Hz  
 AC Balance  5 - 90 %  
 Pulse Width  5 - 95 %  
 Pulse Frequency  AC 0.1 - 250 Hz Squarewave  
   AC .01 - 10 Hz Soft, Sine & Triangular Wave   
   DC 0.1 - 500 Hz  
 Pre flow gas  0 - 25 seconds  
 Post flow gas  0 - 50 seconds  
 Start amperage  Yes  
 End amperage  Yes  
 Slope up  0 - 25 seconds  
 Slope down  0 - 25 seconds  
 HF Start  Yes  
 Lift Start  Yes  
 MMA Arc force  0 - 100 %  
 MMA Hot start  0 - 2 seconds  
 MMA Hot start amps    0 - 100%  
 VRD  Yes - Reduces MMA OCV for user safety  
 Gross weight  34KG  
 Dimensions  660mm x 280mm x 550mm  LxWxH
 Insulation class  IP21S  
 Cooling fan  Fan-On-Demand fan cooling system for quieter operation 
 Max Thickness  14MM
 Max Thickness Steel  25+ MM Multiple Passes


Digital control panel - designed for easy use
- Control all parameters from a single button
- Easy start and finish set-up
- Store up to 9 jobs in memory

4 AC Waveforms
- Advanced Square Wave: fast cooling weld pool, deep penetration and fast travel speed
- Soft Square and Sine Wave: Lower arc noise, for a more traditional arc
- Triangular Wave: designed for thin alloys, reduces heat input

Microstart HF - improved arc starting and less interference - What is this?Ensures an ultra-clean start to your welds
Lift Tig start option when welding near sensitive electronics - Automotive ECUs etc
Full 4-way functioning with control of pre/post flow gas, initial/final amps, slope up/down
Generator Friendly - Recommended minimum of 12KVA
LED display for preset and actual amperage
MMA Anti-Stick, Arc-Force & Hot Start technology

Package contents:
TIG400 Digital Tig Welder, Remote foot pedal, 4M WP26 Tig Torch, 3M Earth Lead, MMA lead, Argon Regualtor, Gas hose, Torch consumables pack.

3 year collect and return UK warranty - What is this?in the unlikely event of machine failure, R-Tech will pay to collect, repair and return the Tig welder to you quickly- No quibble warranty Includes a remote foot pedal worth £178.00

Manuals & Datasheets

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