0191085203 - ESAB 3uF 400V Replacement Capacitor for Welding Machines

Reliable Power Regulation for Industrial Welding Equipment

The ESAB 3uF 400V Capacitor (Part Number 0191085203) is a critical internal component designed to maintain the electrical integrity of your professional welding machinery. In the demanding world of industrial fabrication, the power source is the heart of the operation, and capacitors play a vital role in smoothing out voltage fluctuations and storing energy for rapid discharge. This specific capacitor is engineered to meet the rigorous standards set by ESAB, ensuring that your equipment continues to deliver the precision and power required for high-quality welds.

Electrical components within welding inverters and transformers are subject to significant stress due to the rapid switching and high currents involved in the welding process. Over time, capacitors can degrade, leading to symptoms such as erratic arc initiation, unstable welding output, or complete machine failure. Replacing a worn or failed capacitor with this genuine ESAB part restores the machine's ability to filter electrical noise and regulate voltage effectively. The 3 microfarad (3uF) capacitance and 400-volt rating are specifically selected to match the circuit design of compatible ESAB units, preventing the risks associated with using generic, unmatched components.

At Josef Gas, we understand that downtime is costly. That is why we provide high-quality OEM repair parts like this capacitor to help maintenance teams and technicians perform quick, reliable repairs. Whether you are troubleshooting a sudden breakdown or performing preventative maintenance on a fleet of welders, using the correct specification parts is essential for safety and longevity. This capacitor features a robust construction capable of withstanding the thermal cycling and vibration often present in workshop environments.

Key Technical Benefits:

• Exact Fit: Designed to fit perfectly into the designated circuit board or mounting bracket of specific ESAB models.


• High Voltage Tolerance: With a 400V rating, it safely handles the voltage spikes and operating potentials of industrial power grids.


• Stable Performance: Restores the smooth DC or AC output characteristics necessary for defect-free welding.

Ensure your welding fleet remains operational and safe by choosing genuine replacement parts. This capacitor is an investment in the continued reliability of your premium welding assets.