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UniMig 390amp Compact Welder with SWF Unit (KUM390SWF)

Availability: In Stock

RRP $4,310.81


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Quick Overview
Powerful with exceptionally high duty cycle. Ideally suited for medium to heavy fabrication. WITH SWF.

Product Details

Key information:

See specifications for full details
Warranty2 Years
Max Output390amps
WeldsSteel, Stainless, Cast Iron, Aluminium
Plug TypeOptional 3-Phase
Weight (approx)140kg
Approx Weld Capacity Steel20mm
Input Power415v-Three Phase
Current DC (Direct Current)
70% @ 355amps
100% @300amps

The UniMIg 390 MIG Compact Step Controlled Welder is an exceptional work horse with a market-leading Duty Cycle. The machine has a 70% Duty Cycle @ 355amps and 100% @ 300amps. The machine comes with a fully enclosed KT-50 Separate Wire Feeder and 10m Interconnect Cables, to give it added flexibility and portability.

It is backed by a 24 months warranty, which can be extended to 30 months free of charge if you register it with eWelders, as we are a UniMIg approved Dealer.

The UniMig 390SWF is fitted with professional level four-wheel Geared Wire Drive ensuring perfect Wire Feeding and it renowned for its stable arc characterises.

This machine is well suited for medium to heavy intensive fabrication industries and Rural Applications.


• Heavy duty copper wound transformer
• Exceptional high duty cycle 70% @ 355 amps
• European made quality manufactured in Hungary
• 30 Voltage positions
• Dual inductance settings for optimum arc characteristics on thin or thick material
• 2T-4T trigger operation (MIG Only)
• Stitch and Spot welding modes
• Adjustable Burnback control
• 3 Year Warranty
• Four wheel geared wire drive system
• Separate Wire Feeder
• 10 metre inter connecting cables
• Dual inductance for exceptional arc control
• High strength steel construction


• UNIMIG 390 SWF MIG Welder
• KT 50 Seperate Wire Feeder complete with 10 metre interconnecting cables
• SB364M Sure Grip Ergo MIG torch with Euro connection
• 4M Earth lead with 35/50 Dinse style connections
• UNI-FLAME Twin Gauge Argon Regulator
• 2M Gas Hose Complete with fittings


Additional Information

Input Power 415v-Three Phase
Part Number KUM390SWF
Primary Input Voltage 415V 3 Phase
Welding Current 40 - 375 Amps
Voltage Steps 30
Duty Cycle No
Welding Voltage Range DC 16 - 32.5V
Wire Spool Size (kg) 5 & 15
Wire Size (mm) 0.6 - 1.6 Ferrous 0.6 - 1.6 Stainless Steel 0.9 - 1.2 Aluminium 0.9 - 2.4 Flux Cored
Dimensions (mm) 870 x 940 x 550
Weight 168.0000
Product Brochure N/A
Product Manual KUM390INFO_1.pdf
Warranty Stamps
Embed Code No
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Embed Code No
Item Height No
Item Width No
Item Length No
Item Weight No
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