WIA Weldarc® 140i

Portable for Onsite & Field Maintenance


Compact & portable, the Weldarc 140i can go wherever the job takes you.

Compact, lightweight design.

140 Amp Arc & TIG welder, the Weldarc 140i is suitable for onsite and field maintenance.

Suits 2.0–3.2mm electrodes.

Where to Buy

Product Overview


  • Welding Contractors
  • Shipyards
  • Rural Workshops
  • Motor Sports Fabrication
  • Mine Maintenance
  • Food & Wine

What's In The Box

  • Heavy Duty Work Clamp (2m)
  • Industrial Twist Lock Electrode Holder (3m)
  • Padded Shoulder Strap


With a 2 year unlimited warranty, covering parts and labour, and supported by a New Zealand wide service network, you can be guaranteed you’re buying reliability and performance. *Power source only.

Optional VRD

The Weldarc 140i 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 New Zealand Standards AS/NZS 60974.1 & AS/NZS 1674.2 CAT C.


At only 4.8kg, the Weldarc 140i 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 140i is tolerant to unconditioned power from generators.

10A 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.

Cellulose Electrodes

The combined feature of 'Arc Force', 'Hot Start' and high open circuit voltage capability allows the use of Cellulose electrodes.

Lift Arc TIG Start

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


  • Stick
  • TIG
  • 1 Phase
  • Primary Voltage
    240 Vac - 50/60 Hz
  • Rated Primary Current
    10 Amps
  • Max. Primary Current
    22 Amps
  • Recommended Generator kVa
    6 kVA
  • Supply Plug
    10 Amps
  • Electrode Size Range (mm)
    2.5 - 3.2
  • Shipping Weight
  • Machine Weight

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