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The Lincoln Electric Flextec® 500X / LF-74 Heavy Duty One-Pak® (K3612-2) represents a pinnacle in industrial welding system integration, combining the raw power and efficiency of the Flextec 500X inverter power source with the reliability of the LF-74 wire feeder. Engineered for the most demanding environments, including shipyards, heavy fabrication shops, and construction sites, this system delivers a massive 500 Amps of output power while maintaining a user-friendly interface and exceptional energy efficiency. The core of this package is the Flextec 500X, a multi-process machine capable of MIG, TIG, Stick, Flux-Cored, and Carbon Arc Gouging, making it a versatile asset for any fleet.
A defining feature of the Flextec 500X is the integrated CrossLinc® Technology. This innovation solves one of the most persistent problems in field welding: cable management. CrossLinc allows for full voltage and amperage control at the wire feeder without the need for an additional control cable. Communication travels directly over the standard weld power cable. This reduces job site clutter, minimizes the risk of cable damage, and saves significant setup time. For the operator, it means less walking back to the power source to make adjustments, resulting in higher arc-on time and improved weld quality.
The system is built to withstand extreme conditions. The power source boasts an IP23 rating, ensuring protection against weather and contaminants in outdoor applications. It is also Desert Duty® rated for operation in temperatures up to 55°C. The included LF-74 Heavy Duty wire feeder is a bench-model unit featuring a robust 4-roll drive system, ensuring consistent wire feeding even with long gun cables or difficult wires. The One-Pak configuration ensures compatibility out of the box, including the Magnum® PRO Curve™ 400 gun, cables, and regulators, providing a turnkey solution for heavy industry.
| Additional Information |
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| Brand:Lincoln Electric |
| Amperage:500 |
| Weld Process:Multi-Process |
| Duty Cycle:60% |
| Voltage:380/460/575 V |
| Packaging Description:1 of each |
| Process Type:Multi-Process |
| Input Voltage / Phase:380/460/575/3/50/60 |
| Output Range / Duty Cycle:500A/40V/60%, 450A/38V/100% |
| Amperage Range:5-500 A |
| Wire Feed Speed Range:50-800 ipm |
| Included Accessories:Flextec 500X Power Source, LF-74 Wire Feeder, Magnum PRO Curve 400 Gun, Work Lead, Cables, Regulator |
| Control Interface:CrossLinc, ArcLink, Simple |
| Applications:Shipbuilding, Construction, Heavy Fabrication, Structural Fabrication |
| Protection Rating:IP23, Desert Duty |
| Amps:500 |
