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Lincoln Flextec 650X Multi-Process Welder with CrossLinc Technology - K3425-1

SKU: K3425-1
$9,477.25 $10,507.00
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The Lincoln Flextec 650X - K3425-1 is a versatile, reliable multi-process welder with CrossLinc Technology, one-knob control, and enhanced features for welding on thick materials in harsh environments.

Overview

The Lincoln Flextec 650X Multi-Process Welder with CrossLinc Technology represents a powerful and versatile welding solution designed for demanding industrial applications requiring exceptional performance and flexibility. This sophisticated welding platform delivers up to 800 amps of output power, making it ideal for large diameter wire or stick welding on thick materials across a variety of industrial sectors. The Flextec 650X combines straightforward operation with advanced capabilities, featuring simple one-knob process selection and compatibility with a wide range of available three-phase input power options to accommodate diverse workplace power infrastructures.

Engineered for reliability in challenging environments, the Flextec 650X incorporates components specifically designed to run cool for extended operational life in high-temperature settings. The system carries an IP23 rating for outdoor use in harsh environments and is Desert Duty Rated for extreme temperatures up to 55°C, ensuring consistent performance regardless of environmental conditions. The fast arc response technology delivers smooth arc action and consistent bead appearance, while user weld schedule memory storage allows easy recall of critical or frequently used welding procedures when paired with compatible Power Feed and Flex Feed 84 wire feeders. For operations requiring precise parameter control, the system offers synergic one-knob adjustment of wire feed speed and voltage when used with Power Feed wire feeders.

The Flextec 650X features Lincoln Electric's innovative CrossLinc Technology, which enables full functionality without traditional control cables, significantly enhancing operational efficiency and workplace safety. This advanced communication system allows remote procedure setting directly at the feeder, improving weld quality while reducing the need for technicians to make frequent trips to the power source for setting adjustments. By eliminating control cables, CrossLinc Technology also reduces jobsite clutter, creating a safer work environment with fewer trip hazards and cable management issues. The Flextec 650X delivers premium multi-process arc characteristics across all DC wire, stick, and Tungsten Inert Gas processes, and maintains compatibility with most Lincoln Electric feeders, including common bench and boom models, portable across-the-arc models, and CrossLinc or ArcLink-equipped systems, providing exceptional versatility for diverse welding applications.

Key Features
  • Powerful output capacity of up to 800 amps, ideal for large diameter wire or stick welding on thick materials.
  • Innovative CrossLinc Technology enabling full functionality without control cables for improved efficiency and safety.
  • Compatible with a wide range of three-phase input power configurations for installation flexibility.
  • Simple one-knob process selection facilitating easy operation and quick process changes.
  • User weld schedule memory storage allowing easy recall of critical or frequently used procedures.
  • Components engineered to run cool for extended operational life in high-temperature environments.
  • IP23 rated for reliable outdoor performance in harsh environmental conditions.
  • Desert Duty Rated construction ensuring consistent operation in extreme temperatures up to 55°C.
  • Premium multi-process arc characteristics across all DC wire, stick, and Tungsten Inert Gas processes.

Specifications

Product Weights & Dimensions

Dimensions (H × W × D): 21.8 in × 16.1 in × 29.3 in (554 mm × 410 mm × 745 mm)
Net Weight: 165 lbs (74.844 kg)

General Specifications

Machine 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)

Input Voltage: 380 / 460 / 575 / 3 / 50 / 60
Input Current: 61 / 50 / 40, 57 / 47 / 38 A
Input Hertz: 50 / 60 Hz
Input Phase: 3
Input Power: 380 / 460 / 575 / 3 / 50 / 60

Mode: CC / CV
Output Range: 10–815 A
Polarity: DC

Machine Technologies & Connections

Ingress Protection Rating: IP23
Output Range by Mode: 10–815 A

Machine Communication Technology:

• Analog
• Digital
• CrossLinc
• ArcLink

Wire Feeder Supply Voltage:

• 115 VAC
• 42 VAC

Amphenol Pins (Type of Connector):

• 5
• 14
• 12

Work Lead Connector Type: Lug

Applications

Typical Applications:

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

Warranty

Warranty: 5 Years

Downloads
Includes
  • Flextec 650X power source
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Q&A