Welding Industries Australia

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Weldarc 145i

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  • Rural Workshops
  • Onsite Maintenance
  • Light Fabrication
  • Construction
  • TIG
  • Stick
  • Lift Arc TIG
  • Single Phase Input Power


Optional VRD

The Weldarc 145i is supplied with the VRD (Voltage Reduction Device) option disabled. If VRD is required, it can be enabled by an authorised WIA Service Agent. When activated, VRD delivers added safety when operating in Stick mode and meets the requirements of site work. Fully compliant to Australian Standards AS 60974.1 & AS1674.2 CAT C.


At only 4.1kg, the Weldarc 145i can go wherever the job takes you, making it ideal for onsite maintenance.

Hot Start™ for Manual Arc

Built-in “Hot Start™” feature in manual arc mode for even better arc starting.

Generator Compatible

The Weldarc 145i is tolerant to unconditioned power from generators.

10 Amp Plug

Comes with a 10 Amp plug to suit common power supply outlets, making on-site maintenance easy and convenient.

Built-In Operator Safety

The power source features a built-in thermal protection device that will activate if the machine is operated beyond its safe thermal operating zone.

Arc Force

Built in Arc Force, constantly monitors arc voltage and will boost output if low arc voltage occurs.

Lift Arc TIG Start

Easy to use lift arc starting for TIG welding. Eliminates scratch starting and tungsten electrode damage.


Power source cooling fan operates only when needed - reducing noise, energy use and the amount of contaminants pulled through the machine.

Easy Set-Up & Adjustment

The control panel allows single knob adjustment indicated on the digital display.


With a 3 year unlimited warranty, covering parts and labour, and supported by an Australia wide service network, you can be guaranteed you’re buying reliability and performance. *Power source only.


Generators used to power this equipment must have a minimum capacity of 6kW to 10kW continuous.

Due to variation between generators by different manufacturers, it is impossible for WIA to validate operation from all generators. Therefore, WIA recommend that operation of equipment on the generator is confirmed before purchasing either welder or the generator.

Primary VoltageRated Primary CurrentMax. Primary CurrentRecommended Generator kVaSupply PlugRated Output @ 40C (10min)Welding Current RangeElectrode Size Range (mm)Shipping WeightMachine WeightIP Rating
240 Vac - 50/60 Hz10 Amps25 Amps6 kVA10 Amps145 Amps @ 25.8 Volts 15%
56 Amps @ 22.2 Volts 100%
20 - 145 Amps2.5 - 3.27.2kg
H: 320mm
W: 220mm
L: 450mm