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unimig-logoThe UNIMIG 345 SWF is a powerful welder with a great duty cycle, and is ideal for use in medium to heavy fabrication and rural applications. Combining smooth arc characteristics with complete reliability, the UNIMIG 345 SWF is the unit to satisfy all the demands of the professional welder. Fitted standard with a geared four roller drive system ensuring consistent wire feed and smooth welding.
The 345 SWF is supplied with a completely enclosed KT 50 wire feed unit which helps prevent dust and moisture fouling your wire and contaminating your weld. It comes with fully covered 10 Metre interconnecting cables, a swivel turntable for the wire feed unit and wheels for increased maneuverability.

Quick Overview

Part No: KUM345SWF

Built To Last

Designed and manufactured with the best quality components for increased durability and reliability. Workshop series machines feature
Copper wound transformer and smoothing choke, large 300mm cooling fan with enclosed motor, to maximise cooling for high duty cycle operation.


Voltage Steps

30 position switching, allows precise setting in small increments of welding voltage
so the operator can achieve the correct weld penetration.


Geared Four Roller Drive


Geared four roller drive unit, featuring 40mm drive rollers for consistent smooth wire feed.
Fitted to all workshop machines.



UNIMIG is pleased to offer a 3 year warranty on all UNIMIG Workshop Series machine’s*.
UNIMIG offers warranty across Australia with four UNIMIG service centre’s in Sydney, Melbourne, Brisbane & Perth. We also have authorised service centres across Australia as well. UNIMIG’s focus is to assure the buyer is getting reliability, performance and peace of mind with a quality product.

UNIMIG also offers an additional 6 months warranty free of charge when you register your product online via the UNIMIG website.

*Please note warranty only applies to the power source only


Package Contents

The UNIMIG Workshop 345 SWF is packaged ready to weld and includes,

  • 1 x Workshop 345 SWF Power Source
  • 1 x KT50 Wire Feeder
  • 1 x 4 metre SB36 MIG Torch
  • 1 x 10 metre 35mm Earth Lead
  • 1 x 10 metre Interconnecting Cables
  • 1 x UNI-MIG Twin Gauge Argon Regulator
  • 1 x 2 metre gas hose
  • 1 x Instruction Manual


  • Part NumberKUM345SWF
  • Primary Input Voltage415V 3 Phase
  • Welding Current40-335 Amps
  • Voltage steps30
  • Duty Cycle 40 Deg C60% @ 335Amps / 100% @ 260Amps
  • Welding Voltage Range16 - 34V
  • Wire Size0.6 - 1.2mm Ferrous
  • 0.9 - 1.6mm Aluminium
  • 0.6 - 1.2mm Stainless Steel
  • 0.8 - 1.6mm Flux Cored
  • Dimensions (mm)1270 x 920 x 460
  • Weight (Kgs)164
  • Torch optionsSB36 4M & 5M / ARB 400 / 12ft / 15ft & 17ft TWC 4
  • OptionsAmp-Volt Meter - Part No: AVOPTION

Optional extras & accessories

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