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K52250-25C - Lincoln Magnum PRO 550 Mechanized MIG Gun, 25ft Cable

Packaging: 1 Per Ea
$11,209.44/EA $7,005.90/1 Per Ea only $7,005.90/EASave 37%

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SKU: K52250-25C Categories: ,

OVERVIEW

High-Performance Mechanized Welding Solution

The Lincoln Electric Magnum PRO 550 Mechanized MIG Gun (K52250-25C) is a premier solution for industrial automation and hard automation welding cells. Designed to deliver high-amperage performance without the complexity of water cooling, this gun is rated for 550 amps at 100% duty cycle when using CO2 shielding gas. This capability makes it an exceptional choice for heavy fabrication environments where durability and continuous operation are critical.

Advanced Consumable Technology

At the core of the Magnum PRO series is Lincoln's proprietary consumable technology. The gun utilizes Copper Plus® contact tips, which feature a larger diameter and greater mass than standard tips. This design improves heat dissipation, keeping the tip cooler and significantly extending its service life. Additionally, the Anti-Seize™ threads on both the contact tip and gas diffuser prevent the parts from fusing together, a common issue in high-heat, high-amperage applications. This feature ensures that consumable changes are quick and tool-free, minimizing downtime in automated lines.

Robust Design for Automation

The K52250-25C configuration includes a 25-foot cable, providing ample reach for gantry systems, side-beams, or carriage units. The mechanized barrel is designed for secure mounting in fixtures, ensuring precise tool center point (TCP) repeatability. The air-cooled architecture simplifies the overall welding system by removing the need for water circulators, coolant lines, and the associated maintenance of liquid cooling systems, while still maintaining a high output rating suitable for flux-cored and solid wire welding.

Key Specifications

  • Amperage Rating: 550A (CO2), 375A (Mixed Gas) at 100% Duty Cycle.
  • Wire Diameter Capacity: 0.035" to 5/64" (0.9mm - 2.0mm).
  • Cable Length: 25 ft (7.6 m).
  • Cooling: Air Cooled.

This gun is compatible with Lincoln Electric wire feeders and is engineered to withstand the rigors of continuous industrial use.

Additional Information
Brand:Lincoln Electric
Amperage:550
Cable Length:25 ft
Cooling Method:Air Cooled
Process:MIG (GMAW), Flux-Cored Arc Welding (FCAW)
Duty Cycle:100% @ 550A (CO2), 60% @ 550A (Mixed Gas)
Wire Diameter Range:0.035 - 5/64 in (0.9 - 2.0 mm)
Gun Type:Mechanized, Machine Torch
Connector Type:Lincoln
Packaging Description:1 Per Ea

INCLUDED

  • Magnum PRO 550 Mechanized Gun Assembly
  • 25 ft (7.6 m) Cable
  • Contact Tip
  • Gas Diffuser
  • Insulator
  • Instruction Manual

APPLICATIONS

  • Heavy Fabrication
  • Structural Steel Welding
  • Automated Beam Welding
  • Tank and Vessel Fabrication
  • Hard Automation / Carriage Welding
  • Robotic Welding Cells

FAQ

The gun is rated at 100% duty cycle at 550 Amps when using CO2 shielding gas, and 60% duty cycle at 550 Amps (or 100% at 375 Amps) with mixed gases.

No, the Magnum PRO 550 is an air-cooled gun. It is designed to handle high amperages without the need for liquid cooling systems.

It uses Lincoln Electric Magnum PRO Copper Plus® contact tips, which are designed for longer life and better heat dissipation.

The K52250-25C model comes with a 25-foot (7.6 meter) cable assembly.

Yes, the Magnum PRO 550 is capable of running both solid MIG wire and Flux-Cored wires, suitable for heavy-duty applications.

It can accommodate wire diameters from 0.035 inches up to 5/64 inches (0.9 mm to 2.0 mm), depending on the liner and tip installed.

This is a mechanized gun, designed for mounting on carriages, robots, or other automated fixtures, rather than for handheld use.

The Anti-Seize™ thread design on the contact tips and diffusers prevents the parts from fusing together due to high heat, making replacement easier.