UNIMIG Razorweld 500 AMP SWF MIG / TIG / MMA Welder - KUMJRRW500SWF


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Visit our warehouse at 20 Milly Court, Malaga Western Australia to collect your order. Pick up times 7:30 am to 5:00 pm Mon to Fri 9:00 am to 12:000 pm Saturday

The MIG500SWF is an inverter-based MIG welding machine with added MMA and TIG function. This is an industrial machine equipped with a separate 4 roll gear driven wire feeder and 10m interconnecting cables. The MIG function allows you to weld with Solid wires, Fluxcored Gas and Gasless wires. Adjustment of Voltage & Wire Feed at the feeder makes for easy setting of welding parameters and gives the convenience of remote adjustment from the power source. Crater current setting delivers perfect finishing of the weld, the electronic Inductance offers fine adjustment of the arc characteristic and burn back adjustment leaves the wire out ready for the next weld. Wire Inch and Gas Check provides set up of wire feed and gas setting without wastage of wire or gas. Added MMA welding capability delivers easy and high quality welding using electrodes, including cast Iron, stainless and low hydrogen. Connection of the 26V TIG torch provides quality lift arc DC TIG welding of steel, stainless steel and copper. Ideal for heavy and structural welding applications, general engineers, maintenance workshop, rural workshops. Designed and built to our specification. Certified to – AS/NZ60974-1

*Please note: Due to the size of this item, the free delivery is to the Australian major cities metropolitan areas.  If you are outside of the metro area, we may contact you for a small additional freight charge*

Machine Specification:

  • Part Number: KUMJRRW500SWF
  • Wire Drive: Four Geared
  • Thermal Overload Protection: Over Temperature Warning
  • Primary Input Voltage: 415V Three-Phase
  • Supply Plug: No plug supplied (32 AMP Recommended)
  • Rated Input Power (kVA): 25.3
  • Ieff (A): 24.3
  • Rated Output: 50A/17V - 500A/39.0V
  • No Load Voltage (V): 85
  • Protection Class: IP23
  • Insulation Class: F
  • Power Factor: 0.93
  • Minimum Generator (kVA): 26.0
  • Dinse Connector: 35/50
  • Standard: AS/NZ60974-1
  • Suitable Material: Mild Steel, Stainless Steel, Cast Iron, Silicon Bronze, Aluminium, Copper

MIG Specifications:

  • MIG Welding Current Range: 50-500A
  • MIG Duty Cycle @ 40°C: 60% @ 500A
  • MIG Wire Size Range: 0.6-1.6mm
  • MIG Wire Spool Size: 5kg / 15kg
  • MIG Welding Thickness Range: 1-30mm
  • Drive Roller Size: 30/10 (x2)

TIG Specifications:

  • TIG Function Type: DC Lift Arc
  • TIG Welding Current Range: 20-500A
  • TIG Duty Cycle @ 40°C: 60% @ 500A
  • TIG Welding Thickness Range: 2-10mm

Stick Specifications:

  • Stick Welding Current Range: 20-500A
  • Stick Duty Cycle @ 40°C: 60% @ 500A
  • Stick Electrode Range: 2.5-6.0mm
  • Stick Welding Thickness Range: 2-20mm

Size and Weight:

  • Dimensions (mm): 595x280x440mm
  • Weight (kg): 43kg
  • SWF Dimensions (mm): 630x235x420mm
  • SWF Weight (kg): 14kg
  • SWF Interlocking Cable Length (m): 10m

The UNIMIG Razorweld 500 AMP SWF MIG / TIG / MMA Welder is packaged ready to weld and includes,

  • Separate Wire Feeder Unit
  • 10m Interconnecting Cables
  • 4m SB36 MIG Torch
  • 10m Twist Lock Electrode Holder
  • 500 Amp Earth Clamp & Lead
  • Twin Gauge Argon Regulator
  • 2m Gas Hose Complete with fittings
  • Operating Manual


** Product comes with a nationally recognised 36 month warranty through any UNIMIG Dealer ** 


Shipping Weight 60.0000kg
Shipping Width 0.630m
Shipping Height 0.420m
Shipping Length 0.235m

** Product comes with a nationally recognised 36 month warranty through any UNIMIG Dealer ** 


By: on 13 December 2021
Bought this for my husbands garage projects ,works great and gives me peace and quiet thanks

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1 x RAZOR™ 500 SWF MIG/TIG/STICK Welder 1 x Separate Wire Feeder Unit 1 x 10m Interconnecting Cables 1 x 4m SB36 MIG Torch 1 x 10m Twist Lock Electrode Holder 1 x 500 Amp Earth Clamp & Lead 1 x Twin Gauge Argon Regulator 1 x 2m Gas Hose Complete with fittings 1 x Operating Manual
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