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Lincoln Electric Flextec 350X PowerConnect Multi-Process Welder, (Tweco)/Activ8X® Pipe™ One-Pak® #K5802-1

Name: Flextec 350X PowerConnect Multi-Process Welder, (Tweco)/Activ8X® Pipe™ One-Pak® #K5802-1
Brand: Lincoln Electric
SKU: LINK5802-1

Part Number: K5802-1

UPC: 015082792705

$14,925.00 + Free Shipping $15,825.86*

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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 3-Year Warranty

Advanced Portable Welding System for Pipeline Applications

The Lincoln Electric Flextec 350X PowerConnect / Activ8X Pipe One-Pak (K5802-1) is a comprehensive multi-process welding system designed for field welding STT root passes on pipe. This package combines the versatile Flextec 350X PowerConnect power source with the Activ8X Pipe wire feeder, optimized for pipeline welding applications.

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

Multi-Process Capability: Supports STT, MIG, Flux-Cored, Stick, and TIG welding
PowerConnect Technology: Compatible with 200-600V, 1 or 3-phase input power
CrossLinc® Technology: Allows remote control without extra cables
Rugged Design: Built to withstand harsh outdoor conditions
Portable Package: Ideal for field welding application

What's Included

Flextec 350X PowerConnect / Activ8X Pipe One-Pak
Flextec® 350X PowerConnect® (Tweco) | K4273-2
Work Lead 2/0, Tweco to GC500, 15ft. | K4835-2/0-15
Drive Roll Kit Combination .035 in / .045 in Solid Wire | KP1696-1
Activ8X® Pipe™ (Tweco®) | K4717-1
Magnum® PRO Curve™ HDE™ 250 Welding Guns | K4531-2-10-45
Copper Plus® Contact Tip - 350A, Tapered, .035 in (0.9 mm) - 10/pack | KP2744-035T
Magnum® PRO Nozzle - 350A, Thread-on, Flush, 3/8 in (9.5 mm) ID | KP2742-1-38F

Industries Served

Pipeline Construction
Cross Country Pipeline
LPG and LNG Storage Vessels
Power Generation
Process Piping

Key Features

Waveform Controlled STT-Field Arc: For full penetration, full fusion, open root passes on pipe
No Control Cables or Sense Lead Needed: Simplified setup
No sense lead needed
Portable, compact package
CV DC+ only for solid wire and metal core wire
Simple setup
8" Diameter Spool Capacity: Accommodates larger wire spools
4 Memory Locations: Easy recall of welding parameters
Generator Compatible: Fully functional with generator power
Additional weld and work power leads required

Lincoln Electric Flextec 350X PC (Tweco)/Activ8X® Pipe™ One-Pak® #K5802-1 - What's Included

Benefits of the Flextec 350X PowerConnect / Activ8X Pipe One-Pak

Enhanced Portability: Compact design ideal for field welding
Improved Weld Quality: Optimized processes for pipeline applications
Versatile Power Input: Compatible with various power sources, including generators
Durability: Engineered to withstand extreme outdoor conditions
Simplified Operation: Easy setup and user-friendly interface

This Flextec 350X PowerConnect / Activ8X Pipe One-Pak offers a powerful, flexible, and portable solution for demanding pipeline welding applications, combining advanced technology with a rugged design to ensure optimal performance in challenging field environments.

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.

Browse All Welders or Explore Welding Racks & Other Accessories.

This product replaces these legacy models:

Flextec® 350X PowerConnect / Activ8X® Pipe Welder (200-600V 1/3PH) One-Pak® #K4935-2

General Specification

Machines Processes	MIG (GMAW) Pulsed MIG (GMAW-P) GMAW-STT
Number of Operators per Machine	1
Input Voltage	200-600V/1/3/50/60
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	50,50/60,60
Input Phase	1,1/3,3
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	5-425A
Data Technologies	USB
Machines Communication Technology	analog digital CrossLinc
Wire Feeder Supply Voltage	40VDC
Amphenol Pins (type of connector)	5 12 14