New Welders Rewards! | Earn points on every purchase, unlock exclusive perks, and score serious savings.

Lincoln Electric Flextec® 350XP (Tweco®) #K4272-2

Part Number: K4272-2
UPC: 15082954639

Ships Free To Lower 48 States

$6,193.99 + Free Shipping $6,867.00*
SAVE $673.01
Login or signup to earn 6194 Welders rewards points.

Material type:

Mild Steel

Mild Steel

Stainless Steel

Stainless Steel

Aluminum

Aluminum

Advanced Multi-Process Power Source for Versatile Welding Applications

The Lincoln Electric Flextec® 350XP is a powerful and flexible multi-process power source designed for both shop and field welding applications. With its enhanced capabilities and compatibility with various wire feeders, this unit offers superior performance across a wide range of welding processes, including Pulsed MIG when paired with compatible ArcLink feeders.

Highlights

  • 350A multi-process power source with CrossLinc® technology
  • Supports Pulsed MIG welding with compatible ArcLink feeders
  • Compatible with across-the-arc, CrossLinc, 14-pin analog, and 5-pin digital feeders
  • Tweco® style welding output connections
  • Streamlined operator panel for easy setup
  • Designed for high-temperature environments

What's Included

  • Flextec® 350XP (Tweco®) power source
  • 8.5 ft (2.6m) input power cord
  • Flextec® 350X Empty 4-Pack Rack (K3400-2)

Industries

  • Construction
  • Field Erection
  • General Fabrication
  • Process Piping
  • Shipbuilding
  • Structural Fabrication
  • Heavy Equipment Manufacturing
  • Heavy Fabrication

Key Features

  • Pulsed MIG capability with compatible ArcLink feeders
  • CrossLinc Technology for improved efficiency and safety
  • Versatile compatibility with various wire feeder types
  • Simple and intuitive operator interface
  • Portable yet powerful for shop and field use
  • Components designed for long life in high-temperature environments

Benefits of the Flextec® 350XP

  • Enhances welding versatility with multi-process capabilities
  • Improves weld quality with Pulsed MIG option
  • Reduces jobsite clutter and improves safety with CrossLinc Technology
  • Increases productivity with easy setup and operation
  • Provides reliable performance in demanding environments
  • Supports a wide range of Lincoln Electric wire feeders

Fast, Free Shipping & Easy Returns

At Welders Supply, we prioritize fast, reliable shipping and hassle-free returns. If you’re not fully satisfied with your purchase, you can return it within 14 days for an exchange, credit or refund. Please ensure all products are returned freight paid, in their original packaging, with all materials, manuals and accessories included. A restocking fee of up to 25% may apply based on product condition. Certain restrictions apply to custom orders, PPE and demo items. Call our customer service team at (844) 682-0205 for assistance.

Product Weights & Dimensions

Dimensions (H x W x D) 17 in x 13 in x 24 in (432 mm x 330 mm x 609 mm)
Net Weight 82 lbs (37 kg)

Machines

Machines Processes Stick (SMAW)
Flux-Cored (FCAW)
TIG (GTAW)
MIG (GMAW)
Pulsed MIG (GMAW-P)
Flux-Cored Self-Shielded (FCAW-S)
Flux-Cored Gas-Shielded (FCAW-G)
Max Rating 425a
Output Range by Mode 5-425
Rated Gouging Carbon Diameter 1/4 in (6.5 mm)
Data Technologies USB
Machines Communication Technology CrossLinc
ArcLink
Wire Feeder Supply Voltage 40VDC
Amphenol Pins (type of connector) 5
12
14
Work Lead Connector Type Tweco

Basic Specification

Input Voltage 380-575/3/50/60
Input Current 21/23/23,25/28/22
Input Hertz 50,50/60,60
Input Phase 3
Input Power 380/460/575/3/50/60
Output Range 5-425A
Polarity DC
Rated Output 350A/34V/60%,300A/32V/100%

Application

Typical Application Construction
Cross Country Pipeline
Construction & Field Erection
General Fabrication
Heavy Fabrication
Maintenance & Repair
Marine Fabrication & Repair
Offshore
Oil & Gas
Petrochemical
Pipeline & Offshore
Power Generation
Repair Welding
Shipbuilding
Structural Fabrication
Structural Welding

Warranty

Warranty 3 Years

SHIPPING DIMENSIONS

Height: 19.00 Inches
Width: 30.00 Inches
Length: 16.00 Inches
Weight: 88 Lb(s) 0 Oz

Product Questions and Answers

Have a question about this product? Submit your question using the form below

Based on your Browsing History

Miller Deltaweld® 350 MIG Welder w/ 14 Pin & ArcConnect™ (575V) #907879001 Miller Electric Deltaweld® 350 MIG Welder w/ 14 Pin & ArcConnect™ (575V) #907879001
Save $973.00
$6,278.00
$7,251.00
Free Shipping
Buy Miller Oil Heater for EnPak®/ Bobcat™ & Trailblazer® Air Pak #301448 Online at Welders Supply Miller Electric Air Compressor Oil Heater for EnPak®/ Bobcat™ and Trailblazer® Air Pak Models #301448 2 purchased
Save $68.56
$540.44
$609.00
Free Shipping
Easy to use welder Miller XMT® 350 CC/CV, Dinse, Aux Power
Helmet Gift Pack
Miller Electric XMT® 350 CC/CV, Dinse, Aux Power #907161011
Save $1,445.00
$9,326.00
$10,771.00
Free Shipping
ESAB RENEGADE ES 300i #0445100881 ESAB Welding Machines Renegade ES 300i Stick/TIG Welder (220-460V 1/3PH) #0445100881
(1)
7 purchased
Save $597.69
$4,694.52
$5,292.21
Free Shipping
Lincoln Electric Idealarc® DC-1000 Subarc Welder #K1386-4 available online at Welders Supply Lincoln Electric Idealarc® DC-1000 Subarc Welder (575V 3PH) #K1386-4
Save $3,030.62
$27,898.38
$30,929.00
Free Shipping
ESAB EM 210 MIG Welder 0700501200
Cup Holder + Shirt
ESAB Welding Machines ESAB EM 210 MIG Welder (110-230V 1PH) - 0700501200 9 purchased
Save $148.07
$1,163.88
$1,311.95
Free Shipping
Miller Electric TRAILER, HWY-MF R2R #301438001
Save $262.90
$4,995.10
$5,258.00
Free Shipping

Be the first to know about upcoming specials!