The Lincoln Electric LN-25 PRO / K126 PRO One-Pak (K4101-2) represents a targeted solution for heavy-industrial flux-cored self-shielded (FCAW-SS) welding applications. This package integrates the industry-standard LN-25 PRO Standard model with the robust K126 PRO Innershield gun, creating a system designed for immediate deployment in harsh environments such as shipbuilding, structural steel erection, and pipeline construction.
At the core of the LN-25 PRO is the MaxTrac Wire Drive System. Constructed from heavy-duty cast aluminum, this drive system ensures consistent feeding torque and wire alignment, which is critical when running large diameter cored wires. The unit features a dual-range wire feed speed control, allowing for finer resolution at the low end of the speed range, essential for critical root passes or positional work. The control system is voltage-sensing, operating off the arc voltage (15-110 VDC), making it compatible with a wide array of DC power sources, including both Constant Voltage (CV) and Constant Current (CC) machines.
Field equipment must withstand abuse. The LN-25 PRO is housed in a flame-resistant, impact-resistant polycarbonate case that protects the internal components from drops, sparks, and debris. In the event of severe damage, the entire case can be replaced in under five minutes without special tools. Internally, the control electronics are potted in epoxy, providing a hermetic seal against moisture, salt spray, and corrosive atmospheres common in offshore and outdoor fabrication sites.
This One-Pak is specifically configured for 1/16" and 5/64" wire sizes. It includes the K126 PRO 350A gun, renowned for its durability and replaceable liner system, along with the necessary drive roll kits (KP1697 series) for cored wire. The inclusion of a trigger interlock switch reduces operator fatigue during long weld seams, a standard requirement in structural fabrication.
| Additional Information |
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| Brand:Lincoln Electric |
| Amperage:450 |
| Packaging Description:pack of 1 |
| Process Type:Flux Cored (FCAW-SS), MIG (GMAW) |
| Wire Feed Speed Range:50-700 IPM |
| Input Voltage:15-110 VDC |
| Max Wire Diameter (Cored):5/64 in (2.0 mm) |
| Max Wire Diameter (Solid):1/16 in (1.6 mm) |
| Portability:Portable Suitcase |
| Included Accessories:K126 PRO Gun, Drive Roll Kits |
