Close this search box.
Free DeliveryMigatronic Brand Logo

Migatronic Automig 300 Pulse MIG Welder

  • High-quality welds: The pulse welding function produces high-quality welds with minimal spatter and distortion
  • Faster welding: The double pulse function allows you to weld faster in sheet metals with a TIG-like appearance and lower risk of heat deformation
  • Reduced thermal impact: The low amperage helps reduce thermal impact and the risk of damage to the steel
  • Easy to use: The graphical display and soft-key control panel make it easy to select the right welding program and adjust the settings
  • Flexible: The Duo and Trio models allow you to switch between different materials and welding processes quickly and easily


Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT
Double Pulse
Single Pulse
Triple Pulse
Checkout securely
Finance available
iwocapay Pay in 3 Banner
PayPal Logo

Buy Now, Pay Later In 3 Interest-Free Payments​


Master the art of metal joining with the industry-leading Migatronic Automig 300 Pulse MIG Welder. This powerhouse machine is specifically engineered for professional auto repair applications, delivering unparalleled performance, versatility, and user-friendliness.

Built with 50 years of Migatronic expertise, the Automig 300 Pulse empowers you to tackle even the most demanding welding challenges. Pulse MIG/MAG welding and MIG brazing capabilities provide exceptional control and beautiful weld results on a wide range of materials

Take your auto repair welding to the next level. Book a demo or place your order today to experience the power and precision of the Automig 300 Pulse MIG Welder.





  • Superior weld quality: Achieve precise, spatter-free welds with Migatronic’s advanced pulse technology
  • Unmatched versatility: Effortlessly switch between MIG welding and brazing for maximum process flexibility
  • Boost productivity: Save valuable time with the ability to utilise up to three wire feeders and torches simultaneously
  • Intuitive operation: The user-friendly control panel simplifies setup and parameter adjustments, even for less experienced welders
  • Synergic control: Focus on your weld rather than complex settings. The Automig 300 Pulse automatically adjusts parameters for optimal results based on your selections.
  • MigaMemory™: Store and recall your most frequently used settings for faster job setup and consistent welds
  • Heavy-duty performance: The robust design delivers a 100% duty cycle at 250 amps, ensuring reliable operation for extended welding sessions


  • Auto body repair: Patch panels, body seams, reinforcements, and more
  • Sheet metal fabrication: Create and join various sheet metal components with ease
  • Exhaust system repair: Fix cracks, leaks, and fatigued sections in exhaust components
  • Frame repair: Address cracks, bends, and reinforcements on vehicle frames
  • Aluminium welding: Join aluminium components for radiators, body panels, and other applications
  • High-tensile steel welding: Work with high-strength steels used in modern car manufacturing
  • Stainless steel welding: Create durable and corrosion-resistant welds on stainless steel components


Part No. Description
79542210 Automig 300 Pulse Single
79542211 Automig 300 Pulse Duo
79542212 Automig 300 Pulse Trio


Automig 300 Pulse Single Automig 300 Pulse Duo Automig 300 Pulse Trio
Current range 15-300 A 15-300 A 15-300 A
<!–> Mains voltage +/- 15 % 3 × 400 V 3 × 400 V 3 × 400 V
–> Minimum generator size 16 kVA 16 kVA 16 kVA
<!–> Duty cycle 100 %/20 °C (MIG) 250 A/26.5 V 250 A/26.5 V 250 A/26.5 V
–> Duty cycle 100 %/40 °C (MIG) 200 A/24.0 V 200 A/24.0 V 200 A/24.0 V
<!–> Duty cycle 60 %/40 °C (MIG) 260 A/25.5 V 260 A/25.5 V 260 A/25.5 V
–> Duty cycle max./20 °C (MIG) 300 A/60 %/29.0 V 300 A/60 %/29.0 V 300 A/60 %/29.0 V
<!–> Duty cycle max./40 °C (MIG) 300 A/20 %/29.0 V 300 A/20 %/29.0 V 300 A/20 %/29.0 V
–> Open circuit voltage 50-60 V 50-60 V 50-60 V
<!–> Protection class IP 23S IP 23S IP 23S
–> Standard IEC60974-1. -5. -10. Cl. A IEC60974-1. -5. -10. Cl. A IEC60974-1. -5. -10. Cl. A
<!–> Dimensions (H × W × L) 838 mm × 443 mm × 1003 mm 1104 mm × 597 mm × 1003 mm 1104 mm × 597 mm × 1003 mm
–> Weight 49 kg 63 kg 67 kg



Instruction Manual

Spare Parts List

Manufacturer’s Product Page

Additional information
Weight N/A
Dimensions N/A
Free Delivery Free Delivery
Brand Migatronic
Options Double Pulse , Single Pulse , Triple Pulse
Reviews (0)
0 reviews

There are no reviews yet.

Be the first to review “Migatronic Automig 300 Pulse MIG Welder”

Your email address will not be published. Required fields are marked *

You have to be logged in to be able to add photos to your review.


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.

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.

Migatronic Automig 300 Pulse Single, Duo Trio MIG Welder Hero

Migatronic Automig 300 Pulse MIG Welder

Rated 0 out of 5
£4,295.00£6,025.00 Select options
0 items Cart
My account

We'd Love Your Feedback

Before you go, please let us know how we can improve your experience.

Website Feedback

Did you find what you were looking for?
If you answered yes, did you place your order?
This field is for validation purposes and should be left unchanged.