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 a massive 60% duty cycle.

• Built with class leading Siemens IGBT's - Not inferior Mosfets
• Professional Ultra Flex Torch - Flexible head and ultra flexible cable & sheath
• Digital control panel - designed for easy use
• Fan-On-Demand fan cooling system for quieter operation
• 9 Job memory storage
• 4 AC Waveforms: Advanced Square Wave, Soft Square wave, Triangular wave & Sine wave
• Low starting amperage from 5 Amps DC and 10 Amps AC
• Highly efficient Inverter technology - lightweight and power efficient
• Microstart HF - improved arc starting and less interference - Ensures an ultra-clean start to your welds
• Lift Tig start option when welding near sensitive electronics - Automotive ECUs etc
• True 4-way trigger latching with control of pre/post flow gas, initial/final amps, slope up/down
• VRD Voltage Reduction in MMA - reduces OCV in standby for increased user safety
• Amperage Range TIG: DC 5 to 400 Amps - AC 10 to 400 Amps
• Suitable plug required
• 3 year Warranty
• Remote Foot Pedal Option R4,000 plus VAT
  
  

  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 Square wave
  	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