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Sealey MightyMIG 150 Professional MIG Welder

  • Versatile: Can weld mild steel, stainless steel, and aluminium in both gas and gasless modes
  • Powerful: 150 amp output for demanding welding applications
  • Easy to use: Infinitely variable wire feed speed control, thermal overload protection, easy-to-read digital display, and comfort grip non-live torch
  • Durable: Heavy-duty transformer and forced air cooling for maximum performance

£319.95 ex. VAT     £383.94 inc VAT

Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT

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The Sealey MightyMIG 150 Professional Gas/No-Gas MIG Welder is a great choice for both professional and hobbyist welders. It is easy to use and produces high-quality welds. The welder features a heavy-duty transformer and forced air cooling for maximum performance. It also comes with a variety of features that make it easy to use.



  • 150A maximum performance
  • Gasless and gas modes by a simple change of polarity and purchase of a Gas Conversion Kit – Model No. 120.802032
  • 3 Year Guarantee*
  • Lifetime guarantee on Transformer*

What’s In The Box

  • Sealey MightyMIG 150
  • Comfort grip non-live torch
  • 1.8m earth cable
  • 1m gas hose
  • 0.45kg flux-cored wire
  • 1mm contact tip


Additional information
Weight 22.7 kg
Free Delivery

Free Delivery







MIG Output

150A @ 15%


30A @ 100%


Click and Collect:
Free Click and Collect with no minimum spend from our warehouse on the Empress Park, Southampton with on-site parking. Once your order has been processed, we will advise you when it is ready for pickup.  Just want advice?  No problem.  Feel free to call in to speak to one of our friendly experts.

EWS Fleet Coverage Areas: 
Southampton | Eastleigh | Winchester | Alton | Farnham | Petersfield | Havant | Hayling Island | Waterlooville | Fareham | Portsmouth | Gosport | Chichester | Arun | Worthing | New Forest | Christchurch | Salisbury | Wiltshire | Test Valley | Basingstoke and Deane | West Berkshire | Reading | Hart | Waverley | East Hampshire | East Dorset | Hampshire | Bournemouth | Poole | Lymington | Ringwood | Verwood | East Preston | Goring-by-Sea | Lancing | Shoreham-by-Sea | Steyning | Bramber | Horsham | Adur

Nationwide Delivery (all items excluding gas cylinders):
Free UK mainland (England, Scotland and Wales) delivery on orders over £85 inc. VAT.
UK mainland delivery is £7.50 inc. VAT on orders under £85 inc. VAT.
UK islands and Northern Ireland shipping costs may vary.

UK Delivery for Gas Cylinders:
Shipping costs for gas cylinders are calculated at checkout once the delivery postcode is entered.

International Delivery:
Please contact us for an accurate delivery quote.


Nett Weight: 22.7kg

Welding Current: 30-150A

Wire Capacity: 0.9kg Gasless & 0.7kg Mild Steel

Duty Cycle: 100% @ 30A, 15% @ 105A

Cooling System: Forced Air

Gas Type: CO2, Argon, CO2/Argon Mix

Torch: 2.1m Non-Live

Supply: 230V

Absorbed Power: 4.5kW

Case Size: Compact

Weight: 26.0kg


Gasless Consumables

Flux Cored Wire (0.9kg x Ø0.9mm): TG100/1

Replacement Tips 1mm (Pack of 5): TG100/2

Note: For use with 0.9kg Gasless and 0.7kg Mild Steel Wire Reels only.

Machine Servicing

We can repair all makes and model welding machines using genuine manufacturer parts.


Successfully calibrated welding equipment can maximise performance through high quality welds. A certified calibration by us will ensure that your welding machine runs to its best capabilities.

Sealey MightyMIG 150 Professional Welder MIGHTYMIG150 Hero

Sealey MightyMIG 150 Professional MIG Welder

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£319.95 ex. VAT     £383.94 inc VAT
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