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Lincoln Electric Flextec® 650X Multi-Process Welder with CrossLinc™ Technology #K3425-1

Part Number: K3425-1
UPC: 015082824369
$9,419.00 + Free Shipping
Qualifies for IRS 179 Sale

Material type:

Mild Steel

Mild Steel

Stainless Steel

Stainless Steel

Aluminum

Aluminum

Weather-Resistant Inverter Power Source for Heavy-Duty Applications

The Flextec® 650X Multi-Process Welder with CrossLinc™ Technology (K3425-1) is a versatile and robust welding power source designed for demanding industrial applications. It offers high output power and advanced features for improved productivity and weld quality in harsh environments.

Lincoln Electric warranty

Highlights

  • High Output Power: Up to 800A for heavy-duty welding tasks
  • CrossLinc™ Technology: Enables remote control without additional cables
  • Multi-Process Capability: Supports DC wire, stick, and TIG processes
  • Weather Resistant: IP23 rated for outdoor use and harsh environments
  • Desert Duty® Rated: Operates in extreme temperatures up to 55°C

What's Included

  • (1) Flextec® 650X Power Source
  • Locking foot kit

Industries Served

  • Heavy Fabrication
  • Shipbuilding
  • Construction
  • Structural Steel
  • Pipeline

Key Features

  • Flexible Input Power: Compatible with a wide range of 3-phase input voltages
  • Easy Operation: One-knob process selection for quick setup
  • User Memory: Store and recall weld procedures (with compatible feeders)
  • Synergic Control: One-knob control of wire feed speed and voltage (with Power Feed® feeders)
  • Cool-Running Components: Designed for longevity in high-temperature environments

Benefits of the Flextec® 650X with CrossLinc™ Technology

  • Improved Productivity: Remote control capabilities reduce trips to the power source
  • Enhanced Safety: Reduces jobsite clutter by eliminating control cables
  • Versatility: Compatible with most Lincoln Electric® wire feeders
  • Consistent Weld Quality: Fast arc response for smooth arc action
  • Durability: Built to withstand challenging outdoor and industrial environments

This Flextec® 650X Multi-Process Welder offers a powerful, flexible, and reliable solution for heavy-duty welding applications across various industries, combining advanced technology with rugged construction for optimal performance in demanding conditions.

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) 21.8 in x 16.1 in x 29.3 in (554 mm x 410 mm x 745 mm)
Net Weight 165 lbs (74.844 kg)

Machines

Machines Processes Stick (SMAW)
Gouging (CAC-A)
Flux-Cored (FCAW)
TIG (GTAW)
MIG (GMAW)
Flux-Cored Self-Shielded (FCAW-S)
Flux-Cored Gas-Shielded (FCAW-G)
Submerged Arc (SAW)
Machines Communication Technology analog
digital
CrossLinc
ArcLink
Wire Feeder Supply Voltage 115VAC
42VAC
Amphenol Pins (type of connector) 5
14
12
Work Lead Connector Type Lug

Basic Specification

Input Current 61/50/40,57/47/38
Input Hertz 50,50/60,60
Input Phase 3
Input Power 380/460/575/3/50/60
Output Range 10-815A
Rated Output 750A/44V/60%
650A/44V/100%

Application

Typical Application Cross Country Pipeline
Construction & Field Erection
General Fabrication
Heavy Equipment
Heavy Fabrication
Structural Fabrication

Warranty

Warranty 3 Years

SHIPPING DIMENSIONS

Height: 31.00 Inches
Width: 40.00 Inches
Length: 24.00 Inches
Weight: 210 Lb(s) 0 Oz

Product Questions and Answers

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

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