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Profax® 300 Amp DC/CV MIG & Flux Core Welding Machines

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Profax® Heavy Duty MIG (GMAW) & Flux Cored (FCAW) Welding Machine

New Heavy-duty 300 Amp MIG DC Constant Voltage Welding Power Source by Profax®.  Choose only the PX300CV power source, or complete & ready to weld packages with a standard MIG gun, or spool gun with everything but the gas! 

  • Direct replacment machine for the Miller® CP302
  • Single control for simple weld Adjustments
  • Weld voltage preset for fast & easy set up
  • Adjustable weld stabilizer:  Fast Adjustment between low & high inductance on front of machine.  Use low inductance setting for mild steel & aluminum, use high setting for stainless steel
  • Analog voltage & amperage meters
  • 14 pin receptacle for direct connection of 24VAC wire feeders or spool gun
  • Lower panel covered for protection & safety
  • 3 year warranty on parts and labor
  • Requires 3 phase power
  • Free Shipping Within the Contiguous United States

Kit Options:

Part Number PX300CV PX300CV-2T PX300CV-2TRG PX300CV-4T PX300CV-4TRG PX300CV-4DM PX300CV-4DMRG
Welding Machine Yes Yes Yes Yes Yes Yes Yes
MIG Wire Feeder No 2-Roll Feeder 2-Roll Feeder 4-Roll Feeder 4-Roll Feeder No No
Spool Gun No No No No No 50' (15.2m) 50' (15.2m)
MIG Gun No 15' (4.6m) 15' (4.6m) 15' (4.6m) 15' (4.6m) No No
Flowmeter No Yes w/ 10' Gas hose Yes w/ 10' Gas hose Yes w/ 10' Gas hose Yes w/ 10' Gas hose Yes Yes
2/0 Feeder Cable w/ Lugs No 10' (3.0m) 10' (3.0m) 10' (3.0m) 10' (3.0m) No No
Work Lead No 2/0, 15' (4.6m) 2/0, 15' (4.6m) 2/0, 15' (4.6m) 2/0, 15' (4.6m) 1/0, 30' (9.2m) 1/0, 30' (9.2m)
Ground Clamp No 600 Amp C-Clamp 600 Amp C-Clamp 600 Amp C-Clamp 600 Amp C-Clamp 300 Amp C-Clamp 300 Amp C-Clamp
Running Gear w/ Cylinder Rack 
& Lead Hangers
*Requires Installation
No No Yes No Yes No Yes

Machine Specifications:

Welding Output 300A @ 32V DC 100% Duty Cycle
390A @ 32V DC 60% Duty Cycle
Open Circuit Voltage Range DC 14-44
Amperage Input at Rated Load Output
50-60 Hz, Three Phase
230V: 36 Amps.
460V: 18 Amps.
Height 33" (0.8m)
Width 22" (0.56m)
Depth 48.5" (1.2m)
Weight 273 lbs (124kg)

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