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Mosa Magicweld 150 Petrol Welder Generator – 150A

  • Tackle welding projects and power tools on-site or in remote locations
  • A single machine handles both welding and power generation needs
  • Effortlessly transport the unit to any job site
  • Deliver high-quality welds with precise control
  • Run essential tools and equipment directly from the generator
  • Built to withstand tough working conditions
  • Intuitive controls and user-friendly features


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

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Weld like a pro and power your projects on-site with the Mosa MagicWeld 150, the ultimate portable petrol welder generator. This all-in-one powerhouse combines a robust welding machine with a reliable generator, making it perfect for welders, fabricators, maintenance crews, and DIY enthusiasts who demand versatility and portability.

Master Any Project:

The MagicWeld 150 tackles a wide range of welding tasks. Its maximum output of 150 amps allows you to weld mild steel using electrodes up to 3.2mm (1/8″) in diameter, ideal for repairs, fabrication, and light construction. Mosa’s innovative Power Optimiser technology ensures smooth and stable arc performance, even when pushing the machine’s limits.

Dual Functionality:

Beyond welding, the MagicWeld 150 functions as a dependable 110V DC generator, delivering up to 1.5kW of power. This lets you run essential tools and equipment directly from the unit, eliminating the need for separate generators. Power lights, grinders, drills, and more – all from your MagicWeld 150.

Choose Your Engine Power:

The MagicWeld 150 is available in two configurations:

  • Honda GX200 Engine: Experience legendary Honda reliability and performance with this industry-standard engine
  • Mosa M225 Engine: Mosa’s own M225 engine offers a powerful and cost-effective alternative

Unmatched Portability:

Weighing in at a mere 34kg (75lbs), the MagicWeld 150 is remarkably easy to transport. Its compact size and integrated carry handle make it ideal for working on-site, at remote locations, or even in your home workshop.

Built to Last:

The MagicWeld 150 is constructed with premium materials and incorporates advanced engineering to ensure long-lasting performance and durability. The patented stepless electronic welding control offers precise control, while features like overload protection and auto idle enhance safety and user experience.


  • DC Welding Output: 20A – 150A (adjustable)
  • Duty Cycle: 60% at 130A
  • Maximum Electrode Diameter: 3.2mm (1/8″)
  • Generator Output: 1.5kW, 110V DC
  • Engine Choices: Honda GX200 or Mosa M225
  • Weight: 34kg (75lbs)
  • Compact Design with Integrated Carry Handle
  • Patented Stepless Electronic Welding Control
  • Power Optimiser Technology for Stable Arc Performance
  • Honda Engine Alert (GX200 model only)
  • Overload Protection
  • Auto Idle
  • EEC Noise Compliant


Part No. Description
ZX35.22263H Honda engine
ZX35.22263M Mosa engine




Instruction Manual

Manufacturer’s Product Page



Welding current: 20 A / 20.8 V – 150 A / 20 V
Service: 130 A / 25.2 V @ 60% (IEC Rating) | 80 A / 23.2 V @ 100% (IEC Rating)
Open circuit voltage (no-load voltage): 67V



Model: HONDA GX 200

Fuel: Petrol

Starter: Recoil

Output: 4.3 kWm (5.8 hp)

Cylinders / Displacement: 1 /196 cm³

Speed: 4000 rpm

Cooled: Air


Model: MOSA M 225

Fuel: Petrol

Starter: Manual

Output: 4.5 kWm

Cylinders / Displacement: 1 /223 cm³ (0.223 lt.)

Speed: 4000 rpm

Cooled: Air


Tank capacity: 3.1 l
Running time (welder 60%): 3 h
Acoustic power LwA (pressure LpA): 99 dB(A) (74 dB(A) @ 7 m)
Weight: 34 Kg
Dimensions max. on base Lxlxh: 435x375x490 mm

Spares & Accessories

Trolley – CTM-MW

Welding Cables – K185, K190, K200

Additional information
Weight N/A
Dimensions N/A
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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.

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Mosa Magicweld 150 Petrol Welder Generator – 150A

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