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The 300i is a no-nonsense workhorse that handles the toughest stick and lift TIG welding jobs. This is ideally suited to medium to heavy-fabrication, construction, mining or agriculture industries.

Your safety is paramount so the Transarc 300i incorporates our Voltage Reduction Device (VRD), where voltage before you start welding is just 8V – about the lowest of any machine available, along with an optional simple handle mounted Deadman Switch that allows you to cut voltage at the stick before you start to zero. Additionally if the voltage at the terminals on the 300i goes above 35V whilst not welding, the machine immediately shuts down to prevent a shock.

Along with operator safety we know you also want to keep costs down and ensure the longevity of you equipment. We incorporated Fan-on-Demand which cuts power consumption and keeps the metallic dust on the outside. And best of all, with more power at your fingertips, there’s no need to work the machine so hard. So you get a better duty cycle from the 300 series – up to 35% in fact.

We also understand the harsh environments you work in. That’s why our 300i-series machines feature two separate LED displays – one for amps, the other for voltage – so you can check your output, however dark or dusty it is. And with an inbuilt memory – the 300i will also retain the actual welding amp and volt values for 10 seconds after welding ceases.


  • Fully compliant to As 60974.1-2006
  • Standards Compliant Voltage reduction Device (VRD)
  • Fail to Safe Shutdown
  • Deadman Switch (Stick) Available
  • Digital Voltage and Amperage Meters
  • Fan on Demand