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K4273-1 - Lincoln Flextec 350X PowerConnect Multi-Process Welder (Tweco)

Packaging: 1 Per Ea
$12,117.77/EA $11,360.41/1 Per Ea only $11,360.41/EASave 6%

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OVERVIEW

Ultimate Versatility for Any Job Site

Meet the welder that adapts to your environment: the Lincoln Flextec 350X PowerConnect. Whether you are working on a pipeline, a construction site, or in a fabrication shop, this machine is ready to perform. The "PowerConnect" feature is a game-changer, allowing you to plug into any voltage between 200V and 600V—single or three-phase—without ever opening the case to move link bars. It automatically configures itself, saving you setup time and preventing costly connection errors. It’s the definition of "plug and play" for industrial welding.

The Flextec 350X isn't just smart; it's tough. It handles MIG, TIG, Stick, Flux-Cored, and Carbon Arc Gouging with ease. Plus, with Lincoln's CrossLinc Technology, you get full control of your voltage at the arc using a CrossLinc wire feeder, all without dragging around extra control cables. This means less cable clutter to trip over and less equipment to maintain. If you need precision, pair it with an ArcLink feeder to unlock pulsed MIG capabilities for superior weld quality on aluminum and stainless steel.

Weighing in at just 84 lbs, this inverter is portable enough to move around the site but powerful enough to push 425 amps when you need it. The K4273-1 model features reliable Tweco-style connectors, a standard in many heavy industries. Stop worrying about input power and control cables—get the Flextec 350X PowerConnect and focus on laying down the perfect bead.

Additional Information
Brand:Lincoln Electric
Amperage:350
Voltage:200-600 V
Weld Process:Multi-Process
Duty Cycle:60%
Input Phase:1/3
Packaging Description:1 Per Ea
Process Type:Multi-Process, MIG, TIG, Stick, Flux-Cored, Gouging
Input Voltage:200-600V
Output Range:5-425A
Dimensions:17 in x 13 in x 24 in
Warranty Period:3 Years
Portability:Portable, Rack Mountable
Control Interface:CrossLinc, Digital, Analog

INCLUDED

  • Flextec 350X PowerConnect (Tweco) Power Source
  • Input Power Cable (8.5 ft, 4 conductor, 8 AWG)

APPLICATIONS

  • Cross Country Pipeline
  • Construction & Field Erection
  • General Fabrication
  • Heavy Equipment Manufacturing
  • Shipbuilding & Offshore
  • Structural Fabrication
  • Power Generation Plants

FAQ

The PowerConnect technology allows the machine to automatically accept any input voltage from 200V to 600V, single or three-phase, 50 or 60Hz.

Yes, it supports Pulsed MIG welding, but it requires the use of an ArcLink-capable digital wire feeder to access the built-in pulse programs.

CrossLinc Technology allows for communication of voltage and amperage control over the standard weld power cable, eliminating the need for a separate control cable between the power source and the wire feeder.

The K4273-1 model features Tweco-style output connectors.

Yes, the Flextec 350X is capable of Carbon Arc Gouging, along with MIG, TIG, Stick, and Flux-Cored processes.

The package includes the Flextec 350X PowerConnect power source and an 8.5 ft (2.6 m) input power cord.

The net weight of the machine is approximately 84 lbs (38.1 kg).

Yes, it supports 14-pin analog wire feeders in addition to 5-pin ArcLink and CrossLinc feeders.

CATALOGUE & SPEC SHEETS

Spec Sheet
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