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RAZORWELD 175 DC MIG/MMA Gas-Gasless Inverter Bundle (KUMJRRW175MIG)

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Quick Overview
Ultra lightweight Gas/Gasless Inverter with MIG/Arc function. One of the most portable MIG welders on the market.

Product Details

Key information:

See specifications for full details
Warranty3 Years
Max Output175amps
ProcessesMIG, Stick, Scratch TIG
WeldsSteel, Stainless, Cast Iron, Aluminium
Plug Type15amp
Weight (approx)12kg
Approx Weld Capacity Steel8mm
Input Power240v-Single Phase
Current DC (Direct Current)


  • MIG175 Welding Machine

  • SB25 MIG Torch x 3m

  • Earth Lead & Arc Lead 16mm 35/50 x 4m

  • Argon Regulator

  • Gas hose with fittings

  • Variable Shade 9-13 Auto Darkening Helmet UniMIg (UMBJWH) - See Spec below

  • Heavy Duty Trolley (Spec Below)


UniMig's Razorweld Range is their flagship line of products They are made by the internationally respected Jasic brand, which has changed the ball game across the world with the quality and affordability of its Inverter Welding range.

At just 12kg, this Razorweld 175 is one of the lightest interprets on the market and yet it is semi-industrial powered at 175 amps and capable of welding mild steel plate up to 8mm.

It's stepless power and wire speed controls mean you can laser target your settings and achieve precise MIG welds effortlessly. The machine can run both Gas and Gasless wires and is capable of achieving quality results on mild steel, stainless steel, copper, cast iron and low hydrogen. It is Spool Gun ready meaning, aluminium welds can also be achieved. Features like wire inch and burn back minimise gas and wire wastage Voltage Reduction Devise increase its safety level. The machine is fitted with a 15amp plug.

The inverter technology gives you the added capability of being able to Arc (MMA) weld with great results.

This is a light industrial machine that is both lightweight and portable. Being 240v single phase gives great versatility. Ideal for general engineers, maintenance workshop, rural workshop, panel beaters, home workshop.


  • Latest IGBT inverter technology

  • MIG/MAG with Gas and Gasless wire function

  • Excellent MIG welding with CO2 gas & mixed gases

  • Euro style MIG torch connection

  • Internal wire feeder

  • 1Kg to 5Kg Spools

  • Adjustable Burn Back

  • Spool Gun Connection

  • Stepless voltage and wire feed control

  • Wire Inch

  • Stick electrode (MMA) function

  • VRD (Voltage Reduction Device)

  • Excellent arc stability with all electrode

  • Hot Start - Anti Stick

  • Light Industrial rated

  • Solid case construction

  • IP21S rating for environmental/safety protection

  • Tolerant to variable power supply


  • Viewing Area: 96 x 39 mm

  • Shade Control: Light States: DIN 4

  • Dark States: DIN 9 – 13 Outside Adjustment

  • Switching Time: 0.2 ms

  • Delay Control Time: 0.1 - 0.8 sec adjustment

  • Sensitivity / Delay Control Time: Internal Adjustment

  • Power Supply: Solar Cells Batteries & 3V Lithium Batteries

  • Lens Control: Auto-On

  • UV/IR Protection: DIN15

  • Operating Temperature: -5˚C to + 55˚C

  • Grind Mode: Yes

  • Arc Sensors: 4 Arc Sensors

  • Welding Helmet Shell Material: PA (High Impact Resistance Nylon)

  • Welding Helmet Weight: 490g

  • Approval: EN166/175/379 CE, ANSI Z87.1,

  • CSA Z94.3,AS/NZS1337/1338CE

  • Optical class: 1/1/1/2

  • Warranty 2 Years


  • 3 Level Storage Space

  • Material: Metal Construction

  • Max. Load: 80 Kg/ 176 Lb

  • Trolley Dimension: Approx. 70 x 30 x 90 cm/ 27.6 x 11.8 x 35.4'' (L x W x H)

  • Top Tray: Approx. 45.7 x 28 cm/ 18 x 11'' (L x W)

  • Middle Tray: Approx. 39 x 28 cm/ 15.4 x 11'' (L x W)

  • Bottom Tray: Approx. 70 x 29 cm/ 27.6 x 11.4'' (L x W)

  • Two 7.5 cm/ 3'' swivel casters (Front)

  • Two 19 cm/ 7.5'' fixed wheels (Rear)

  • Chain Diameter: 3mm/ 0.11''

  • Weight: 12kg

  • Video is on the Razor 165, which has been replaced by the Razor 175. Set-up and Features are the same.

  • Specifications

    Additional Information

    Input Power 240v-Single Phase
    Part Number KUMJRRW175
    Primary Input Voltage 240V 1 Phase
    Welding Current - Mig 30A/15.5V - 170A/22.0V
    Welding Current - MMA (A) 10A/20.4V - 160A/26.4V
    Welding Voltage Range DC 10 - 170 Amps
    Wire Spool Size (kg) 1 & 5 Kgs
    Wire Size (mm) 0.6, 0.8, 0.9, 1.0, 1.2
    Dimensions (mm) 470x190x380
    Weight 12.0000
    Product Brochure KUMJRRW175MIG_INFO_1.pdf
    Product Manual KUMJRRW165_1.pdf
    Warranty Stamps
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