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SWP Proline 450S + WF500/4 - Three Phase Mig Welder + Separate Wire Feeder

Carriage Free UK Mainland.

Product Pricing

Item NameProduct DescriptionPriceQty
Proline 450S + WF500/4Three Phase Mig Welder + Separate Wire Feeder£2,647.63
ex vat

inc vat

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The MIG 450S + WF500/4 is one of SWP's flagship products and offers second-to-none levels of performance for heavy fabrication work. It is a robust three phase machine and only requires a 25A fuse. Its full size cabinet can accept a full height gas cylinder and its large diameter wheels means it can be moved from job to job with little risk of toppling. The WF500/4 features SWP's renowned all-geared drive system, thus minimising the risk of wire slip and making welds uniform. With its 5 metre interconnections and 4 metre welding torch, this gives a working radius of 9 metres. The unit is also suitable for use with spool or push-pull guns, to allow for increased work radius up to 13 metres. The WF500/4's ability to take larger diameter wire (2.4mm) means it can handle up to 500A, allowing for welding most materials greater than 25mm. In addition, the MIG 450S's 30 switch settings and its digital Amp and Volt meter provides fine-tuning of the output power.


  • Lifting Eye Bolts
  • Copper wound transformer and choke
  • Forced air fan cooling
  • Overload warning indicator
  • Heavy duty front and rear wheels
  • All geared cast feed systems
  • Support strap for gas cylinder
  • Infinitely variable wire speed
  • Spot weld timer
  • Latch facility
  • Burnback control
  • Gas purge
  • Integral water cooling with pressureswitch - optional extra
  • Inch button
  • Digital volt and amp meter
  • Soft arc technology
  • M36-3 torch and 2068 regulator included
  • Optional mounting post and wheelsavailable for wire feed unit
  • W111443 - Spare 5mtr interconnectioncable assembly


Model Code9400
Input Voltage 50hz415V
Input Current25A
Voltage Settings30
Welding current amps50-450A
Current Range50-450A
Output @ 35% duty cycle450A
Output @ 60% duty cycle420A
Output @ 100% duty cycle310A
Wire size mm0.8-2.4mm
Packed Dimensions (HxWxL) mm920 x 500 x 780mm
Weight (Kgs)168