Home Shop Lincoln Magnum 250L MIG Gun, 250A, 15ft, .035-.045 Wire
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K533-3 - Lincoln Magnum 250L MIG Gun, 250A, 15ft, .035-.045 Wire

Packaging: 1 of each

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SKU: K533-3 Categories: ,

OVERVIEW

Industrial Grade Reliability: Lincoln Magnum 250L

The Lincoln Electric Magnum® 250L MIG Gun (K533-3) is a semi-automatic welding gun designed for heavy-duty fabrication and industrial maintenance applications. Rated at 250 amperes at a 60% duty cycle using CO2 shielding gas, this gun is engineered to withstand the rigors of high-volume production environments. The K533-3 model features a 15-foot (4.5 meter) cable assembly, providing operators with significant reach and flexibility around large workpieces without compromising wire feeding performance.

Constructed with high-quality internal copper stranding, the power cable ensures efficient current transfer and minimal heat buildup during extended welding sessions. The cable is encased in an abrasion-resistant, extruded rubber jacket that offers superior protection against cuts, burns, and general shop wear. This armored design also includes an electrically insulated metal jacket within the gun tube, optimizing fine wire welding performance and ensuring operator safety. The gun comes factory-configured to feed .035" to .045" (0.9-1.2mm) solid steel wire, making it a versatile choice for structural steel, farm repair, and general manufacturing.

The Magnum 250L is designed for seamless integration with Lincoln Electric wire feeders and power sources equipped with standard Lincoln gun connection bushings. Maintenance is streamlined thanks to the modular design; the one-piece trigger assembly can be easily serviced or replaced, and the gun utilizes industry-standard Magnum or Tweco-style front-end consumables (contact tips, nozzles, and gas diffusers). This compatibility ensures that replacement parts are readily available and cost-effective, reducing downtime and operational costs for industrial facilities.

Key Technical Specifications:

  • Amperage Rating: 250 Amps (CO2), 200 Amps (Mixed Gas)
  • Duty Cycle: 60% (CO2), 60% (Mixed Gas)
  • Wire Diameter Capacity: .035" - .045" (0.9 - 1.2 mm)
  • Cooling: Air Cooled
  • Connection Type: Lincoln Electric Standard
Additional Information
Packaging Description:1 of each
Brand:Lincoln, Magnum
Amps:250amp
Length :15 ft, 15-ft
Front End:Magnum
Back End:Lincoln, Powermig
Wire Size:0-035-0-045
Torch Type:MIG Gun (Air Cooled)
Amperage Rating:250A
Duty Cycle:30% @ 250A (Mixed Gas), 60% @ 250A (CO2)
Cable Length:15 ft
Wire Diameter Range:0.035" - 0.045"
Cooling Method:Air Cooled
Consumable Series:Magnum / Tweco Style

INCLUDED

  • Magnum® 250L MIG Gun Assembly (15 ft)
  • Contact Tip (.035" installed)
  • Gas Nozzle (Adjustable)
  • Gun Liner (Pre-installed for .035-.045 wire)
  • Connector Kit (Lincoln Style)

APPLICATIONS

  • General Metal Fabrication
  • Structural Steel Welding
  • Automotive Repair and Restoration
  • Farm and Agriculture Equipment Repair
  • Industrial Maintenance and Repair Operations (MRO)
  • Light to Medium Manufacturing

FAQ

The K533-3 Magnum 250L is rated at 250 Amps at 60% duty cycle when using CO2 gas, and slightly lower when using mixed gases.

This gun comes from the factory with a liner and contact tip setup for .035" to .045" (0.9mm - 1.2mm) wire.

It fits most Lincoln Electric wire feeders and power sources that accept the standard Lincoln gun connector (e.g., LN-7, LN-25, SP series, etc.). Some smaller machines may require a different backend or adapter.

It uses standard Lincoln Magnum or Tweco-style consumables, specifically 14-series contact tips and 24-series gas nozzles.

Yes, the liner is fully replaceable. You can install liners for different wire sizes or types (like aluminum) by removing the backend nut.

The K533-3 features a 15-foot (4.5 meter) cable assembly.

Yes, the Magnum 250L features a classic curved handle design that is balanced to reduce operator fatigue during extended welding.

Yes, provided you use the correct knurled drive rolls in your feeder and a suitable liner/tip combination, this gun can handle gas-shielded flux-cored wires.

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