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Figuring out what you need can be challenging! Email for help.
Figuring out what you need can be challenging! Email for help.

Comparc DeltaMIG 300 Amp 3 Phase MIG Welder

An extremely heavy duty North American made MIG welder intended for industrial applications. This machine is rated for 300 amps at 60% duty cycle. This will stand up to intense industrial abuse.

Please Note: This machine weighs more than 300 pounds and ships on a 3' x 2' skid. You will need a forklift, skid steer, or other heavy machinery to unload. Tailgate delivery can be arranged for those that lack the necessary equipment. The DeltaMIG does not qualify for free freight. Please send an email to prior to ordering. 


  • MIG Welding (GMAW) in diameters of 0.6 to 1.2mm ("0.023" to 0.045")
  • Flux Cored (FCAW) in diameters of 0.9 - 1.2mm (0.030" to 0.045")
  • MIG welding (GMAW) aluminum diameters of 0.9mm (0.035")


  • Adjustable Spot Timers
  • Two / four stroke trigger lock
  • Wire feeder integrated at power supply 
  • Infinite volt adjustment 
  • Digital volt / amp meter
  • 14 pin receptacle for aluminum spool gun


  • Ground Clamp 
  • Cylinder rack and running gear
  • Consumable box
  • Double groove drive roll 0.9"/1.2" (0.035"/0.045")

Rated Input

3 Phase
60 Hz

Part Number


Rated Output

60% Duty Cycle @ 300A
100% Duty Cycle @ 300A


H. 30.7" ( 780 mm) W. 21.5" ( 546mm) L. 30.7" (780 mm)


Net: 298 lb (135 kg)

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