UNIMIG 250A Multi Process Inverter Welder KUMJR250K-SG

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  • Warranty: 3 Year
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The RAZOR™ 250 Compact is a powerful workshop machine with MIG, TIG and STICK welding functions. Built with solid construction, this machine is designed to withstand the toughest conditions. The RAZOR™ 250 Compact is also Spool Gun and Push-Pull Gun ready, providing MIG welding capabilities across every spool size.

The RAZOR™ Compact series is designed for superior performance, offering the highest quality of welds from UNIMIG’s range.

  • 240V Single-Phase
  • Gas-shielded & Gasless MIG / Lift Arc DC TIG / STICK
  • Geared Wire Drive
  • Spool Gun Ready
  • Push-Pull Gun Ready


  • Primary Input Voltage: 240v Single Phase
  • Supply Plug: Single Phase (32 Amp Recommended) Or 15 Amp
  • Rated Input Power (kVa): 11.8
  • Ieff (A): 29.0
  • Rated Output: 30a/15.5V - 250a/26.5V
  • No Load Voltage (V): 52
  • Protection Class: IP21S
  • Insulation Class: F
  • Power Factor: 0.75
  • Minimum Generator (kVa): 13.0
  • Dinse Connector: 35/50
  • Standard: AS/NZ60974-1
  • Welds: Mild Steel, Stainless Steel, Cast Iron, Silicon Bronze, Aluminium, Copper
  • Mig Welding Current Range: 30-250a
  • Mig Duty Cycle @ 40°C: 35% @ 250a
  • Mig Wire Size Range: 0.6-1.0mm
  • Mig Wire Spool Size: 1kg / 5kg / 15kg
  • Drive Roller Size: 30/22 (X2)
  • Tig Function Type: DC Lift Arc
  • Tig Welding Current Range: 10-220a
  • Tig Duty Cycle @ 40°C: 35% @ 220a
  • Stick Welding Current Range: 10-220a
  • Stick Duty Cycle @ 40°C: 35% @ 220a
  • Stick Electrode Range: 2.5-4.0mm


Part No KUMJR250K-SG
Barcode 9339793005819
Warranty 3 Year
Net Weight (kg) 60
Product Length (mm) 900
Product Width (mm) 400
Product Height (mm) 670

Pickup In Store

If you don't want to pay for delivery or need to ASAP, you can pick it up in store. Just bear in mind not all stores will have everything in stock. You'll be able to see if they do during the checkout process.

Free Delivery

Most products are included in free delivery, however some are excluded as follows:

  • Orders and/or items under $99.
  • Orders and/or items that are deemed bulky, large or heavy.
  • Clearance items.
  • Orders that include or items that are classed as dangerous goods.
  • Remote areas are excluded from free delivery and you will either be charged delivery at checkout or may be contacted prior to delivery to confirm delivery charges if necessary.
  • Interstate deliveries.

Total Tools reserve the right to change or withdraw free delivery at any time.

Estimated Delivery Timeframes

If you opted to collect in store you will receive an email to inform you when your goods are ready for collection.

If you opted for delivery, you will receive an email when the goods have been despatched to the couriers with details so you can track our order.

We aim to despatch all orders within 1-2 business days. In the unusual event of a delay to the despatch of your order you will be contacted at the earliest opportunity. Once the order has been despatched the estimated delivery time is as follows:

  • Metro (Excludes Hobart Metro) 1-2 business days
  • Hobart Metro 3-4 business days
  • Regional Areas 3-4 business days
  • Remote Areas 6-9 business days

Please note that these delivery timeframes are estimates and are not guaranteed.


Changed your mind? No worries. You just need to get the product back to the store it was shipped from (this is on your receipt) within 30 days, unused and in its original packaging and we'll give you a refund (excluding delivery costs). You can read our full returns & exchanges policy here (special order items are excluded from this returns policy).


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