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TecArc OPTeARC ETIG AC-DC 500A British Made

R136,274.00 (inc VAT) R118,499.13 (exc VAT)

TecArc OPTeARC ETIG AC-DC 500A British Made

R136,274.00 (inc VAT) R118,499.13 (exc VAT)
107.00 KGS
4 Weeks

Product Description


Superior performance industrial OPTeARC ETIG range sets new standards for industrial TIG welding!

ETIG machines are British made industrial machines constructed using the very latest Mitsubishi IGBT chopper technology, this combines all the performance advantages of inverter technology with the ruggedness of transformer based machines. It also gives a substantial reduction in size & weight of the machine compared to conventional old school technology. The benefits of our OPTeARC technology are not to be underestimated, ultra-low power consumption, superb arc characteristics with precise instant arc starting & a perfect stable arc across the full range.

The ETIG range are really simple to set up & use, anyone who has TIG welded previously can use these in seconds. Unlike competitors machines there is no programming needed or constant referring back to instruction manuals. In addition we have added some unique functions all aimed at improved welding performance for all materials. For instance on AC the frequency is variable from 25HZ right up to 200HZ & extended AC balance control makes it possible to do so much more with AC welding of aluminium etc. This allows infinite control from 50% balanced output through to 100% negative or 100% positive electrode. Also our new QPulse (high speed pulsing) function can increase welding productivity by up to 35% & therefore reduce your welding costs.

OPTeARC technology gives you ultra smooth welding current output, this means a more stable weld pool & better looking welds!

These machines will not fail in dirty or damp workshops like inverters do, they are not affected by fluctuations on input supply they will just keep welding reliably year after year.

These ETIG models are complete with undercarriage for gas bottle & wheels so no expensive trolleys are needed.

The benefits of the OPTeARC ETIG machines really do add up, which makes these machines the perfect choice for all manual & automatic welding applications, including general fabrication, aerospace work, petrochemical, offshore, Oil & Gas, precision engineering, motorsport engineering, etc.

Key benefits of the OPTeARC ETIG machines AC-DC & DC.

  • Superb welding performance on AC & DC TIG & AC & DC MMA with capability of all electrode types
  • DAC wave control which allows you to adjust the shape of the AC output
  • Perfect arc starts & welds every time from min to max power on both TIG & MMA
  • Rugged reliable design unaffected by harsh operating conditions or poor input supply, guaranteed!
  • Advanced features to increase welding speed, reduce heat affected zone, increase penetration etc
  • Ultra low power consumption reduces your running costs & helps the environment
  • Ready to accept our EFEED 40 cold wire feeder to increase productivity further

Standard ETIG machine functions

  • AC DC models have infinitely variable AC frequency from 25HZ to 200HZ
  • AC DC models have extended AC balance control so you can set the cleaning & heat/penetration levels to suit each job
  • AC DC models have AC balance control from 100% - to 100% + electrode gives you so much more control on AC welding
  • Precise current control can be set to within +/-1 amp, digital display shows preset value then exact value when welding
  • Variable up & down slope controls, 0-5 seconds upslope, 0-15 seconds downslope range.
  • Electronic pulse HF for precise instant arc starts (I.T. friendly so will not affect your phone or PC etc)
  • MMA electrode welding with super smooth arc on all electrodes & will also weld cellulosic!
  • Pulse function allows normal pulse function 0.5HZ – 200Hz or QPulse (high frequency pulsing up to 2KHZ or 2000PPS)
  • Torch trigger latching 4T/2T, (when used on 4T with our OPTeARC ETIG wire feeder the trigger can control wire start/stop)
  • Variable gas preflow & gas post flow control, 0-5 seconds preflow, 0-15 seconds postflow range
  • Electronic pulse HF for precise instant arc starts (I.T. friendly so will not affect your phone or PC etc)
  • MMA electrode welding with super smooth arc on all electrodes & will also weld cellulosics!
  • Remote current function allows use of a foot pedal or hand remote or special current control on TIG torch
  • Automatic compensation for varying input power, long extension leads or unstable generators


AC/DC Models ETIG 250 ETIG 350 ETIG 400 ETIG 500
Standard Input Volts 400V 400V 400V 400V
Input fuse (D) slow 16A  16A  16A  25/32A
Optional 230V single phase model  (25/32A)  (32A fuse)  (32A/40A)  (45A/63A)
Amperage range  5-250A 10-350A  400A  500A
Duty cycle 40% @  250A  350A  400A  500A
Duty cycle 60% @  200A  285A  325A  410A
Maximum no load volts (OCV)  85V  85V 85V   85V
Minimum generator size (up to 3/4 output)  4KVA 7KVA  8KVA  12KVA

 TIG torch power adaptor for Dix – 3/8 BSP, TIG torches up to 8M & with current control, Remote current control unit, EFEED 40 wire feeder for cold or hot wire feeding. Electrode holder leads



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