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Lincoln Electric Flextec® 500X/ Flex Feed® 84 Heavy Duty One-Pak® #K3612-4

Name: Flextec® 500X/ Flex Feed® 84 Heavy Duty One-Pak® #K3612-4
Brand: Lincoln Electric
SKU: LINK3612-4

Part Number: K3612-4

UPC: 015082862903

$13,724.54 + Free Shipping $15,711.00*

SAVE $1,986.46

Call 844-682-0205 or CHAT for more options

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Features
Specs
Documents
Accessories
Consumables
FAQS

Multi-Process Welding
200-600V Input
1-Phase or 3-Phase
Constant Current (CC)
Constant Voltage (CV)
Direct Current (DC)
Lincoln Electric 3-year Warranty

Powerful Multi-Process Welding System

The Lincoln Electric Flextec® 500X/ Flex Feed® 84 Heavy Duty One-Pak® (K3612-4) is a comprehensive multi-process welding system designed for heavy-duty applications. It delivers up to 500 amps of welding power using advanced inverter technology, making it suitable for a variety of environments including shipyards, construction sites, and fabrication shops.

Highlights

Multi-Process Capability: Supports MIG, Stick, TIG, and Flux-Cored welding
Basic Pulse MIG Capability: Standard on the Flextec 500X for carbon steel, stainless steel, aluminum, and metalcore electrodes
CrossLinc® Technology: Allows remote control without extra cables
Rugged Design: IP23 rating and Desert Duty® rated for harsh environments
Flex Feed 84 Features: Includes weld memories and weld timers for enhanced control

Key Features

Simple Interface: For ease of use in various applications
Reliable Performance: Durable construction with trayed and potted PC boards for environmental protection
Flexible Power Source: Compatible with all 42VAC wire feeders for MIG and Flux-Cored welding
Optimized Stick Welding: Suitable for both cellulosic and low hydrogen electrodes
Touch-start TIG: For easy, contamination-free starts without high frequency

Industries Served

Shipyards
Construction Sites
Fabrication Shops
Heavy Manufacturing
Industrial Maintenance

Benefits of the Flextec® 500X/ Flex Feed® 84 One-Pak®

Enhanced Productivity: Full functionality without control cables increases arc time
Improved Safety: Reduces job site clutter by eliminating extra cables
Versatile Applications: Suitable for indoor and outdoor heavy-duty applications
Advanced Process Control: Flex Feed 84 offers weld memories and timers for precise control
Convenience: One-Pak includes cables, gun, and regulator in one part number

This Flextec® 500X/ Flex Feed® 84 Heavy Duty One-Pak® offers a powerful, flexible, and user-friendly solution for demanding welding applications, combining advanced technology with robust design features to ensure optimal performance in challenging 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 for assistance.

Browse all welders and Lincoln Electric One-Paks & Ready-Paks at the best prices online, from Welders Supply.

Specifications

Product Weights & Dimensions

Dimensions (H x W x D)	18.8 in x 14 in x 27.5 in (477 mm x 356 mm x 699 mm)
Net Weight	205 lbs (93 kg)
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)
Max Rating	500A
Output Range by Mode	5-500 A
Machines Communication Technology	analog
Wire Feeder Supply Voltage	42VAC
Amphenol Pins (type of connector)	5 14 12
Number of driven rolls	4 rolls
Feeder type	Bench
Max spool diameter	Drum
Communication Technology	analog
UI type	Meters
Max Rated Output Capable	600A
Max Wire Diameter (Solid)	3/32 in (2.4 mm)
Max Wire Diameter (Cored)	0.120 in (3 mm)
Max WFS	800IPM
Feedhead Configuration	Single
Wire Configuration	Single
Power Source to Feeder Communication Connector Type	14-pin
Accesories Communication Connector Type	none
Gun Bushing	Tweco #2-#4
Max Spool Size (lbs)	60
Max Spool Size (kg)	30
Wire Feeders Processes	MIG
Safety Listing CSA	Yes
Safety Listing UL	Yes
Input Voltage	460,380/400/415,575
Input Current	39/31/31,33/27/27
Input Phase	3
Input Power	380/460/575/3/50/60
Rated Output	500A/40V/60%,450A/38V/100%
Typical Application	Cross Country Pipeline Construction & Field Erection General Fabrication Heavy Equipment Heavy Fabrication Structural Fabrication
Warranty	3 Years