Lincoln Electric Flextec 350X Construction / LN-25X One Pak - K4278-3

By: Lincoln Electric
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Flextec 350x multi-process power source and LN-25X portable wire feeder have CrossLinc technology for remote operation in construction welding applications.

The Flextec 350X Construction / LN-25X One-Pak system takes full advantage CrossLinc Technology. With the addition of Lincoln's most durable and ergonomic Magnum Pro Curve HDE weld gun, this is the perfect system for wire welding in the field. The One-Pak makes ordering easy using a single part number.


  • Rugged and simple to use. Trayed and potted PC boards. IP23 rated for harsh environments.
  • CrossLinc allows for remote voltage control from the wire feeder at hundreds of feet away with no additional control cables
  • TVT compensates for voltage loss in the system resulting in actual voltage that matches preset voltage
  • Additional weld and work power leads required

What's Included

  • 8.5 ft (2.6m) input power cord
  • Drive Roll Kit .040 - .045 in (1.0 - 1.2 mm) Cored Wire | KP1697-045C
  • LN-25X® w/CrossLinc® and TVT (No Flowmeter, Tweco®) | K4267-2
  • Flextec® 350X Construction (Tweco® ) | K4271-2
  • Magnum® PRO Curve™ HDE™ 250 Welding Guns | K4531-2-10-45
Spec Sheet Click to Download
Crosslink Technology Brochure Click to Download
Operator's Manual Click to Download