
The Lincoln Electric Flextec 650X CE Model (K3533-1) is a powerhouse multi-process welder designed for the most demanding industrial environments. Engineered to deliver 650 amps of welding output at a 100% duty cycle, this machine is built for continuous operation in heavy fabrication, shipbuilding, and construction sectors. The 'CE' designation indicates compliance with European Conformity standards, ensuring high safety and performance benchmarks are met for international markets. It supports a comprehensive range of welding processes including Stick, DC TIG, MIG, Flux-Cored, and Carbon Arc Gouging with carbons up to 3/8 inch (9.5 mm).
A standout feature of the Flextec 650X is the integrated CrossLinc Technology. This innovation solves a common industrial welding problem: the need for extra control cables to adjust voltage at the wire feeder. With CrossLinc, communication is sent directly over the welding power cable. This allows the operator to adjust voltage settings at the feeder (such as an LN-25X) hundreds of feet away from the power source without a dedicated control cable. This reduces cable clutter, minimizes trip hazards, and increases productivity by eliminating trips back to the power source.
Reliability is paramount in the field, and the Flextec 650X is constructed to withstand extreme conditions. It is Desert Duty Rated for operation in temperatures as high as 55°C (131°F) and features an IP23 rating, protecting internal components from dust and moisture. The internal electronics are fully encapsulated and tray-mounted to isolate them from the cooling airflow, preventing contaminant buildup. Whether you are welding structural steel in a shipyard or fabricating heavy machinery in a dusty shop, the K3533-1 provides consistent, reliable arc performance.
The unit is designed for flexibility with 3-phase input power, accommodating 380V, 460V, and 575V lines at 50 or 60 Hz. This makes it adaptable to various industrial power grids. The streamlined operator panel simplifies setup, while the VRD (Voltage Reduction Device) enhances operator safety by lowering Open Circuit Voltage when not welding.
| Additional Information |
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| Brand:Lincoln Electric |
| Amperage:650 |
| Duty Cycle:100% |
| Voltage:380/460/575 V |
| Weld Process:Multi-Process |
| Process Type:MIG, TIG, Stick, Flux-Cored, Arc Gouging |
| Input Voltage / Phase:380/460/575V 3-Phase |
| Output Range / Duty Cycle:650A/44V/100%, 750A/44V/60% |
| Control Interface:CrossLinc Technology |
| Protection Class:IP23 |
| Dimensions:21.8 in x 16.3 in x 29.3 in |
| Weight:74.8 kg |
| Packaging Description:1 Per Ea |