0558004246 - ESAB FC-5C Replacement Potentiometer 10K Linear 2W

High-Durability Control Potentiometer for ESAB Equipment

The ESAB 0558004246 is a specialized 10K Ohm potentiometer designed specifically for use within the ESAB FC-5C foot control unit. In industrial welding environments, remote amperage controls are subjected to constant mechanical cycling. Standard potentiometers often fail prematurely under these conditions, leading to dead spots, signal noise, or complete open circuits. This "High Life" component is engineered to withstand the rigorous demands of daily fabrication work, ensuring reliable signal transmission from the operator's foot to the power source.

Electrically, this unit features a linear taper, which is critical for welding applications. A linear response ensures that the depression of the foot pedal corresponds directly and proportionally to the welding amperage output, allowing the operator to make fine adjustments intuitively while welding. With a 2-watt power rating, it is robust enough to handle the control currents typical of ESAB's analog remote interfaces without overheating or drifting.

Maintenance personnel and technicians will appreciate the direct fitment of this OEM part. Using genuine ESAB replacement parts ensures that the resistance values and mechanical dimensions align perfectly with the original housing and wiring of the FC-5C, minimizing downtime during repairs. Whether refurbishing an older foot pedal or repairing a unit with erratic output, this potentiometer is the core component required to restore factory-level performance.

Technical Specifications

• Resistance: 10,000 Ohms (10K)
• Taper: Linear (LIN)
• Power Rating: 2 Watts
• Construction: High Life (High Cycle)
• Application: FC-5C Foot Control