Lincoln Electric Flextec® 650X Multi-Process Welder w/ CrossLinc™ / LF-74 Ready-Pak® #K3512-1

Name: Flextec® 650X Multi-Process Welder w/ CrossLinc™ / LF-74 Ready-Pak® (380-575V 3PH) #K3512-1
Brand: Lincoln Electric
SKU: LINK3512-1

Part Number: K3512-1

UPC: 15082833989

Ships Free To Lower 48 States

Lincoln Electric Flextec® 650X Multi-Process Welder w/ CrossLinc™ / LF-74 Ready-Pak® #K3512-1

Part Number: K3512-1

UPC: 15082833989

$15,241.20 + Free Shipping $16,897.00*

SAVE $1,655.80

Advanced Multi-Process Welding System for Heavy Duty Applications

The Lincoln Electric Prism® Wall Mount Mechanized Cleaning One Pak® is a stationary, wall-mounted fume extraction system designed for light to medium-duty welding fume extraction. With its dual 10 ft. arms and 7 ft. extension, this unit provides versatile, efficient extraction for facilities with fixed workstations and limited floor space. Ideal for job shops, welding schools, and maintenance departments, the Prism Wall Mount unit ensures a cleaner, safer work environment without the need for complex ductwork installations.

This One-Pak® system simplifies the selection process by providing a pre-assembled package that’s easy to install and operate. The low vacuum system is perfect for facilities requiring effective welding fume filtration in confined spaces, helping to maintain air quality and worker safety.

Highlights

Multi-Process Capability: Supports MIG, Flux-Cored, Stick, TIG, and Gouging
CrossLinc™ Technology: Allows remote control without extra cables
Rugged Design: IP23 rating and Desert Duty® rated for extreme temperatures up to 55°C
High Output: Up to 815A of welding power
Complete Package: Includes power source, wire feeder, and accessories in one part number

What's Included

Flextec® 650X Multi-Process Welder with CrossLinc™ Technology (K3425-1)
LF-74 Wire Feeder, Bench Model, Heavy Duty (K2426-5)
Magnum® PRO Curve™ 400 Welding Gun (K2952-2)
Work Lead and Weld Power Cable
Control Cable Extension
Drive Roll Kits for various wire types
Cart for Inverter and Wire Feeder (K3059-4)
Flowmeter Regulator Shielding Gas Kit

Industries Served

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

Key Features

Wide Input Power Range: Compatible with various 3-phase input power sources
Easy Process Selection: One-knob control for simple operation
Cool-Running Components: Designed for longevity in high-temperature environments
Versatile Compatibility: Works with most Lincoln Electric® wire feeders
User Weld Schedule Memory: Allows easy recall of critical or repeated procedures (with compatible feeders)

Benefits of the Flextec® 650X / LF-74 Ready-Pak®

Enhanced Productivity: CrossLinc™ technology increases arc time and reduces trips to the power source
Improved Safety: Reduces jobsite clutter by eliminating extra control cables
Versatile Applications: Ideal for large diameter wire or stick welding on thick materials
Durability: Engineered for outdoor use and harsh environments
Simplified Setup: Ready-Pak includes all necessary components for immediate use

This Flextec® 650X Multi-Process Welder w/ CrossLinc™ / LF-74 Ready-Pak® offers a powerful, flexible, and robust solution for demanding welding applications, combining advanced technology with heavy-duty components to ensure optimal performance in challenging industrial 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 (844) 682-0205 for assistance.

Other Models:

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	510 lbs (231.336 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

Wire and TIG Feeders

Number of driven rolls	4 rolls
Feeder type	Bench
Configuration	Single
Max spool diameter	Drum
Communication Technology	analog
UI type	Simple
Max Rated Output Capable	500A
Max Wire Diameter (Solid)	1/16 in (1.6 mm)
Max Wire Diameter (Cored)	5/64 in (2 mm)
Feedhead Configuration	Single
Wire Configuration	Single
Power Source to Feeder Communication Connector Type	14-pin
Gun Bushing	Tweco #2-#4
Max Spool Size (lbs)	60
Max Spool Size (kg)	30
Wire Feeders Processes	MIG Flux Cored
Safety Listing CSA	Yes
Safety Listing UL	Yes

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
Mode Icon	CC/CV
Output Range	10-815A
Polarity	DC
Rated Output	750A/44V/60%,650A/44V/100%