Available in stock


viper-black-logoThe VIPER40 is an inverter-based Plasma cutting machine produced using the latest in IGBT technology. Low cost and portable this
machine is reliable, robust and stacked with features that you can expect from a quality Plasma Cutter. The CUT40 produces a high temperature plasma stream enabling effortless cutting of all electrically conductive materials including steel, cast Iron, stainless steel, copper, aluminium brass etc. Connection of the CBR50 Plasma torch provides effortless starting of the cut with powerful, fast and accurate cutting capability, additional is the benefit of longer life cycle consumable electrodes and cutting tips. The contact start function allows the torch tip to be placed directly onto the work piece during start up and also during the cutting process helping to provide more accurate cutting and cleaner start of the cut. The VIPER40 is an exceptional machine that is suitable for a wide range of applications including sheet metal fabrication, light industrial use, site work, automotive, ducting work, repair and maintenance services.
The VIPER40 gives you the best of both worlds – great portability, with the power to get the job done.
Built to our specification and manufactured in compliance to AS/NZ60974-1

Key Features
• Latest Inverter Technology
• Light industrial application
• Strong metal housing
• Tolerant to variable power supply
• Suitable to cut all electrically conductive materials
• Contact Arc Start
• Tip can be contacted and dragged on cutting material
• Light weight and compact

Quick Overview

Part No: KUPJRVC40

Slicing Through the Competition

The Viper Plasma Cut 40 is a 240v single phase inverter Plasma Cutter. The machine is capable of cutting up to 10mm mild steel. The machine is extremely lightweight and portable which makes taking it on site or around the workshop a breeze. 

The machine is suited towards the DIY Enthusiast as well as light fabrication and panel work. It features a direct connect 4 metre plasma torch. 

If you are looking for an entry level machine with great performance look no further than the Viper Plasma Cut 40. 

KUPJRVC40 Front Diagram
KUPJRVC40 Warranty


UNIMIG is pleased to offer a 1 year warranty on all Viper machine’s*.
UNIMIG offers warranty across Australia with four UNIMIG service centre’s in Sydney, Melbourne, Brisbane & Perth. We also have authorised service centres across Australia as well.UNIMIG’s focus is to assure the buyer is getting reliability, performance and peace of mind with a quality product.

UNIMIG also offers an additional 6 months warranty free of charge when you register your product online via the UNIMIG website.

*Please note warranty only applies to the power source only

Package Contents

The UNIMIG VIPERCUT40 Plasma Cutter is packaged ready to cut and includes,

  • 1 x VIPERCUT40 Power Source
  • 1 x 4 metre Direct Connect CBR50 Plasma Torch
  • 1 x 4 metre Direct Connect 3M Earth Lead
  • 1 x Instruction Manual


  • Part NumberKUPJRVC40
  • Power Supply / Phases (V-Ph)240v - 1 +/- 15%
  • Duty Cycle @ 40°c25% @ 40Amps
  • Rated Power (KVA)7.50
  • Output Current Range (A) Plasma20-40
  • Rated Output Voltage (V)310
  • Insulation ClassF
  • Protection ClassIP21S
  • Plasma Arc StartingTouch
  • Air Flow Draw Off (l/min)170
  • Air Flow Pressure (Bar)5-6 (70-87 psi)
  • Cutting Thickness - Clean (mm)10
  • Cutting Thickness - Severance (mm)12
  • Dimensions (mm)460 x160 x 320
  • Weight (kg)11.6
  • Certification ApprovalAS/NZ60974-1

Optional extras & accessories