WIA Weldarc® 145i NEW

Portable for Onsite & Field Maintenance


Compact & portable, the Weldarc 145i can go wherever the job takes you.

Compact, lightweight design.

145 Amp Arc & TIG welder, the Weldarc 145i is suitable for onsite and field maintenance.

Suits 2.5 – 3.2mm electrodes.


Digital Display 

Where to Buy

Product Overview


  • General Maintenance
  • Rural Workshops
  • Building & Construction
  • Light Fabrication Workshops

What's In The Box

  • Heavy Duty Work Clamp (3m)
  • Industrial Twist Lock Electrode Holder (4m)
  • Padded Shoulder Strap


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

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 Weldwell 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/NZ60974.1 & AS/NZ1674.2 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.


  • Stick
  • TIG
  • 1 Phase
  • Primary Voltage
    240 Vac - 50/60 Hz
  • Rated Primary Current
    10 A
  • Max. Primary Current
    25 A
  • Recommended Generator kVA
    6 kVA
  • Supply Plug
    10 A
  • Rated Output @ 40C (10 Min.)
    145 A @ 25.8 V 15%, 56 A @ 22.2 V 100%
  • Welding Current Range
    20 - 145 A
  • Electrode Size Range (mm)
    2.5 - 3.2
  • Shipping Weight
  • Machine Weight
  • IP Rating

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