CobraMig^® 300

Transform your aluminum welding with the new generation CobraMig® 300. Perfected with over 50 years of welding equipment manufacturing experience, this new roll around system features our originally patented, Push-Pull technology combined with a rock solid power supply. Detachable digital wire feeder allows separation from power supply up to 50 ft. with optional extension cables. Select your gun length and extend your reach 100 ft. or more. Designed to operate with new generation Digital X Series guns, for remote, fingertip adjustability of welding parameters without returning to feeder. Memory feature allows user to set and save eight individual programs for a variety of weld conditions. Experience the smooth stable arc of the CobraMig® 300 today. Must Specify 240 or 480 single phase power. 7-pin Classic Push-Pull Guns can be used with adapter kit P/N 005-0784, with limited functionality.

Key Features

• Out of the box ready to weld
• Utilizes original patented push-pull technology
• Simple digital interface
• Compatible with next generation Plug & Play X Series Digital
• Push-Pull Guns
• Capable of changing all parameters and weld memories
• directly from the gun
• 8 fully customizable user weld memories
• Detachable digital wire feeder for rail or boom applications
• Feeder separation lengths up to 50’
• Bright LED display
• Roll around base with built in cylinder rack
• Adaptable to bulk wire systems
• Feeds .030 to 1/16 wires without changing drive rolls
• For aluminum, steel, stainless steel, flux core wires

• Wire Sizes:
• • .030” – 1/16” (0.8 mm – 1.6 mm) Aluminum Wire
  • .030” – .045” (0.8 mm – 1.2 mm) Steel, Stainless Steel, Flux Core, etc…

• Wire Capacity:
  • 12” Diameter Spool (plastic or wire basket)
  • Bulk Wire Drum using optional adapter kit (P/N 005-0786)

• Power Input:
  • 240 VAC, 60 Hz, 50 A, 1-Phase
  • 480 VAC, 60 Hz, 30 A, 1-Phase

• Welding Current Output:
  • 300 A @ 60% Duty Cycle (480 VAC)

• Weight: 245 lbs. (dry), 275 lbs (shipping)

• Size: 18.5” W x 34.5” H x 36” L

• Gun Compatibility:
  • Digital X Series Guns 14 pin: Python® X, Cobra® X, Prince® X
  • Limited functionality with 7 pin Classic Push-Pull Guns with adapter kit (P/N 005-0784)

CobraMig®300 Manual Click Here

Genuine Parts Requirement
Use of non-genuine MK Products® consumables, parts, accessories, or coolants will void this warranty.

Warranty Coverage
MK Products® warrants that new and unused equipment is free from defects in materials and workmanship. This warranty does not apply to accessories or components manufactured by others, which are covered only by their original manufacturer’s warranties, if any.

Consumable or wear items with a normal service life of less than one (1) year — including tungsten, collets, brushes, conduits, gas cups, gas cup insulators, and contact tips — are not covered unless failure results from a defect in materials or workmanship.

Warranty Remedies
At its discretion, MK Products® will provide one of the following remedies:

• Repair

• Replacement

• Authorized reimbursement for repair or replacement performed at MK Products® (Irvine, CA)

Warranty Periods (from date of delivery to original user)

• Power Supplies & Wire Feed Cabinets: 3 years

• Weld Heads, Coolers, Positioners, Push-Pull Guns: 1 year

• Spool Guns & Modules: 180 days

• Repairs, Exchanges & Parts: 90 days

Classification of equipment is at the sole discretion of MK Products®.

Claims & Returns
Failure must be reported in writing within 30 days.
Proof of purchase is required.
Returned equipment must be properly packaged.
MK Products® covers one-way domestic ground shipping only (excluding foreign markets).

Limitations
All implied warranties, including merchantability and fitness for a particular purpose, are disclaimed.
This warranty applies only to commercial and industrial users operated by trained personnel. It does not apply to consumers, and no reseller may extend consumer warranties.

Exclusive Warranty
This warranty is exclusive and supersedes all prior MK Products® warranties.

California Proposition 65 Warning
⚠️ WARNING: This product may expose you to chemicals, including those known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov

Electrical Safety Notice
This equipment must be installed, operated, and serviced by trained personnel. Improper use may result in electric shock, fire, serious injury, or equipment damage. Always follow the manufacturer’s instructions and applicable electrical codes.

Welding Safety Warning
Welding and cutting produce fumes, gases, heat, and arc radiation that can be hazardous. Always use proper ventilation, approved personal protective equipment (PPE), and safe work practices. Refer to the operator’s manual and OSHA welding safety guidelines.

Use Notice
This product is intended for professional and industrial use only. The manufacturer is not responsible for damage, injury, or loss resulting from misuse, improper installation, lack of maintenance, or unauthorized modification.

Compatibility Notice
This product is designed for use with approved system components. Use with non-approved or incompatible equipment may affect performance, safety, and warranty coverage.

Specifications Disclaimer
Product specifications, features, and availability are subject to change without notice.