Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2

Name: Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2
Brand: Lincoln Electric
SKU: LINK4273-2

Part Number: K4273-2

UPC: 15082711782

Ships Free To Lower 48 States

Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2

Flextec 350X multi-process power source with CrossLinc technology and PowerConnect

Lincoln Electric multiprocess welder for industrial fabrication

Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2

Part Number: K4273-2

UPC: 15082711782

$8,061.64 + Free Shipping $8,133.00*

SAVE $71.36

Features
Specs
Documents
Accessories
Consumables
FAQS

Any Input Voltage 200-600V
CrossLinc w/ TVT
Multi-Process MIG/TIG/Stick
CAC (Carbon Arc Cutting)
Lincoln Electric 5-Year Warranty

Versatile Multi-Process Power Source with Advanced PowerConnect Technology

The Lincoln Electric Flextec® 350X PowerConnect® is a highly flexible multi-process welding power source designed for various applications. With its innovative PowerConnect technology and CrossLinc capabilities, this unit offers unparalleled versatility and ease of use across different job sites and power configurations.

NEW From Previous Version:

Software Update Capabilities: New models are capable of software updates via USB.
Enhanced Crosslinc® Control: New models now allow remote weld mode changes via Crosslinc, and automatic weld mode selection (Process Select Assist) based on connected Crosslinc Accessory.

Processes

Stick
TIG
Pulsed & CV MIG
Arc gouging

Highlights

PowerConnect Technology: Auto-connects to 200-575VAC, single or three-phase, 50/60Hz for seamless setup.
Multi-Process Capability: Supports Stick, TIG, MIG, Flux-Cored, and Carbon Arc Gouging.
Built-In Pulse Programs: Optimized pulse settings for various materials with compatible ArcLink feeders.
CrossLinc Technology: Enables remote control without extra cables for better flexibility.
Feeder Compatibility: Works with CrossLinc, 14-pin analog, and 5-pin ArcLink digital feeders.
Extreme Durability: Engineered for proven reliability in harsh environments.

What's Included

8.5ft 4 conductor/ 8 AWG input power cable

Industries

Pipeline Construction
General Fabrication
Heavy Equipment Manufacturing
Construction
Shipbuilding
Structural Fabrication
Offshore Fabrication
Power Generation
Mining and Quarrying
Automotive Manufacturing
Aerospace Manufacturing
Agricultural Equipment Manufacturing

Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder (Tweco) #K4273-2 - What's Included

Key Features

Automatic voltage sensing and adjustment with PowerConnect technology
Supports pulsed MIG welding with compatible ArcLink wire feeders
CrossLinc Technology for remote control and improved efficiency
Versatile compatibility with various wire feeder types
Designed for reliability in harsh working conditions

Benefits of the Flextec® 350X PowerConnect®

Enhanced Versatility: Easily adaptable to different input voltages without manual reconnection
Improved Productivity: CrossLinc Technology allows remote control without additional cables
Increased Flexibility: Compatible with a wide range of wire feeders and welding processes
Simplified Setup: PowerConnect technology automatically adjusts to available power sources
Reduced Downtime: Proven reliability in extreme environments minimizes maintenance needs
Advanced Welding Capabilities: Built-in pulse programs for various materials (with compatible 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 1-844-682-0205 for assistance.

Check out our selection of welding equipment and accessories from Lincoln and other brands.

This product replaces these legacy models:

Flextec® 350X PowerConnect® Welder w/ Tweco® Connector (200-600V 1/3PH) #K4273-1

General Specification

Machines Processes	Stick (SMAW) Gouging (CAC-A) Flux-Cored (FCAW) TIG (GTAW) MIG (GMAW) Pulsed MIG (GMAW-P)
Input Voltage	3 Phase 200-600V: 350A/34V/60% - 300A/32V/100% 1 Phase 380-575V: 350A/34V/60% - 300A/32V/100% 1 Phase 200-230V: 300A/32V/60% - 280A/31V/100%
Input Current	3 Phase: 350A/34V/60%, 208-220/220-230/380-415/460/575, 45/40/23/19/15 1 Phase: 350A/34V/60%, 380-415/460/575, 39/32/26 1 Phase: 300A/32V/60%, 200-208/220-230, 62/56
Input Hertz	50/60
Input Phase	1/3
Input Power	3 Phase, 200-208/220-230/380-415/460/575 - 50/60 Hz 1 Phase, 380-415/460/575 - 50/60 Hz 1 Phase, 200-208/220-230 - 50/60 Hz
Output Range	3 Phase 200-600V, 5-425A, Max OCV: 80V DC 1 Phase 380-575V, 5-425A, Max OCV: 80V DC 1 Phase 200-230V: 5-350A Max OCV 67V DC

Machine Technologies & Connections

Output Range by Mode	5-425
Machines Communication Technology	analog digital CrossLinc ArcLink
Wire Feeder Supply Voltage	40VDC
Amphenol Pins (type of connector)	5 12 14
Work Lead Connector Type	Tweco