1300 554 685
(Ref No. E85 - J0S)


Availability: In Stock

RRP $4,235.00


Quick Overview
3 phase Square Wave AC/DC TIG Water-Cooled inverter welder incorporating full TIG functionality including AC balance control.

Product Details

Key information:

See specifications for full details
Warranty3 Years
Max Output315amps
ProcessesAC TIG, DC TIG, Stick
WeldsAluminium, Steel, Stainless, Cast Iron
Plug TypeOptional 3-Phase
Weight (approx)30kg
Approx Weld Capacity Steel13mm
Input Power415v-Three Phase
Current AC (Alternating Current) & DC (DIrect Current)


The UNITIG 315 AC/DC is Three-Phase High Function AC/DC Welder which is suitable for professional and industrial level welding of all major metals. With a 20% Duty Cycle at 300amps, and 100% Duty Cycle at 160amps, this machine has the power to perform serious industrial functions.

But it is also fitted with all the professional features required for fine aluminium welding in AC and High Function DC Welding of Steel, Stainless, Copper and Bronze. The Water Cooled Version of the 315, comes with an SR-18 Water Cooled TIG Torch and Premium Quality Water Cooler, further improving Duty Cycle and run time.

The machine offers AC Balance Controls allowing you to set AC TIG for cleaning the aluminium oxide layer on aluminium and adjustment for a deeper weld. Pulse Function of Frequency and Base Current further enhance weld quality by allowing better heat penetration and precise control of distortion.

The 315 features Down Slope, Post Gas, Pre-Gas, Lift Arc and a host of other features which make attaining perfect welds on all metals a possibility.

The machine features Basics famed inverter IGBT Technology and is backed by a full three- year Warranty. The SR-18 WC Torch Features 2T/4T Trigger Function for exceptional control of the torch at the start, during and end of welds. Call us today and we will arrange a quote for this machine with any required consumables, along with fast freight.


  • Adjustable Down slope

  • 2T / 4T Trigger function

  • Adjustable pulse control

  • HF Start AC/DC TIG function

  • Adjustable Pre Gas - Post gas

  • Adjustable AC balance control

  • Electrode Hot start

  • djustable Arc force

  • Rugged metal case construction

  • Digital amperage display

  • Inverter Power Source Utilizing latest IGBT tecnology

  • AC/DC Tig with High Frequency Ignition

  • Stick Electrode (MMA)

  • Voltage Reduction Device

  • 10-315 Amp Output (TIG)

  • 3 Years Warranty


  • UNITIG 315 AC/DC Inverter Welder

  • SR26-4MCP50 Ergo TIG torch with 35/50 Dinse style connection

  • 4M ARC Welding lead set with 35/50 Dinse style connections

  • UNI-FLAME Argon Flowmeter Regulator

  • 2M Gas Hose Complete with fittings

  • 315 AC/DC Trolley with Water Cooler Storage UTJRTROLLEY2


Additional Information

Input Power 415v-Three Phase
Part Number KUMJR315WC
Primary Input Voltage 415V 3 Phase
Input Frequency (Hz) 50Hz
Input Current MMA / 18 Amps - TIG / 12.6 Amps
Ieff Current MMA / 13 Amps - TIG / 9 Amps
Power Rating 12.2 KVA
Rated Output Current 315 Amps
Range of Output Current 10 - 315 Amps
Arc Force (A) 0 - 100
No Load Voltage No
Pre-Flow (S) 0 - 2
Clean Width (%) 20 - 80
Slope-Down Time (S) 0 - 10
Post-Flow Time (S) 0 - 10
Base Current (%) 20 - 90
Pulse Frequency (Hz) 0.5 - 300
Pulse Duty Cycle (%) Oct-90
Duty Cycle 40 Deg C - TIG DC No
Duty Cycle 40 Deg C MMA 20% @ 250A / 100% @ 160A
Protection Class IP21S
Dimensions (mm) 560 x 365 x 355
Weight 37.0000
Product Brochure N/A
Product Manual KUMJR315ACDCINFO_1.pdf
Warranty Stamps
Embed Code No
Embed Code No
Embed Code No
Embed Code No
Embed Code No
Item Height No
Item Width No
Item Length No
Item Weight No
Item Height No
Item Width No
Item Length No
Item Weight No


Good value, performs wellReview by Chris
Good machine. Saved me a lot of money on a couple of other Kemppi and Fronius options I looked at. Easy to use. Foot pedal takes a little getting used to but welds aluminium like a dream. eWelders are great for supplying parts. (Posted on 24/01/15)

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