Aristo Mig U4000i

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  • Efficient man-machine communication by the user-friendly control panel U6 or Aristo® U82
  • Wide range of pre-programmed synergic lines. Aristo® U82 provides the facility to define and store customised synergic lines for any material or gas combinations
  • Memory for 10 (U6) or 255 (Aristo® U82) welding parameters
  • ESAB LogicPump, ELP, secures the automatic start of the water pump by connecting a water-cooled welding torch to the wire feeder or a water-cooled TIG torch
  • TrueArcVoltage System™, measures the correct arc voltage value, independent of the length of the connection cable, return cable or welding torch
  • Dust filter to handle tough and dirty environments and avoid grinding-dust and metal particles inside the chassis
  • The Aristo® Mig U4000i/U5000i operate with the separate wire feeders Aristo® Feed 3004/4804 U6 and Aristo® U82


Description or Qualifier Aristo Mig U4000i Aristo Mig U5000i
Weight 63.5 kg 71 kg

Power Specifications

Model Aristo Mig U4000i Aristo Mig 5000i/U5000i
Energy Save Mode 60 W 50 W
Power Factor at Maximum Current 0.9 0.91
Efficiency at Maximum Current 86 % 87 %
Protection Class IP23

Welding Output

Model Aristo Mig 5000i/U5000i Aristo Mig U4000i
MMA 500 A/40VDC @ 60%
400 A/36VDC @ 100%
400 A/36VDC @ 35%
320 A/33VDC @ 60%
250 A/30VDC @ 100%

Input Voltage

Frequency 50/60 Hz
Phase 3
Voltage 400 V


Model Aristo Mig 4000i Aristo Mig 5000i/U5000i
Application Classification S
Coolant Volume 5.5 l
Maximum Flow 2.0 l/min
Maximum Pressure 3.4 bar
MCableX 4x4 4x6
Operating Temp -10 - +40 degC
Standards IEC/EN 60974-1,-2,-3,-10

How to purchase Aristo Mig U4000i

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.

Part Numbers and Accessories

Part Numbers : Aristo Mig U4000i