Lincoln Electric Flextec 350X Construction (Tweco) - K4271-2

By: Lincoln Electric
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Flextec 350X Construction model multi-process power source with CrossLinc Technology suited for field construction applications

The Flextec 350X Construction model with Tweco style output connectors is the perfect portable power source for field welding applications. Being a multi-process power source, the Flextec is capable of 350A for Stick, TIG and carbon arc gouging. CrossLinc Technology enables remote control over the welding output using the standard weld cables and a CrossLinc accessory. This reduces clutter on the jobsite as well as setup and maintenance time since there is no additional control cable needed. When paired with an LN-25X, the system is the perfect portable field wire welding solution.


  • CrossLinc technology - Full functionality without control cables
  • Recommended for use with an LN-25X CrossLinc portable feeder
  • Simple - Streamlined operator panel minimizes setup time
  • Reliable - Components designed to run cool for long life in high temperature environments
  • Tweco style welding output connections
  • Supports CrossLinc and Across-the-Arc wire feeders

What's Included

  • 8.5 ft (2.6m) input power cord
  • Flextec® 350X Empty 4-Pack Rack | K3400-2
Spec Sheet Click to Download
Crosslink Technology Brochure Click to Download
Product Info Click to Download
Operator's Manual Click to Download