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673459 - ESAB 9800uF 50VDC Replacement Capacitor

Packaging: pack of 1
$204.80/EA $122.70/pack of 1 only $122.70/EASave 40%

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OVERVIEW

Restore Your Welder's Performance with the ESAB 673459

Is your ESAB welder acting up? A failing capacitor is a common culprit behind erratic arcs, difficulty starting, or a machine that simply won't power up correctly. The ESAB 673459 Aluminum Capacitor (9800 uF, 50 VDC) is the genuine OEM replacement part you need to get your equipment back to factory specifications. Inside your welder, capacitors play a vital role in cleaning up the electrical power, ensuring that the energy delivered to your torch is smooth and consistent. When these components age or fail, you might notice a hum coming from the machine, a loss of maximum power, or an unstable arc that makes laying a clean bead impossible.

Why Choose Genuine ESAB Parts?
While generic capacitors exist, welding machines place extreme demands on their internal components. This 9800 microfarad capacitor is built to handle the rapid discharge and recharge cycles that occur thousands of times per second during welding. It is rated for 50 Volts DC, matching the specific voltage requirements of your machine's circuitry. Using a generic part with unmatched ripple current ratings or thermal characteristics can lead to premature failure or even damage other expensive boards in your welder.

Signs You Need a Replacement:
Visual inspection often reveals a bad capacitor. Look for bulging at the top vent, leaking fluid (electrolyte), or signs of scorching around the terminals. If you see any of these, or if your machine is throwing power-related error codes, swapping out the capacitor is often the fix. This unit is designed for a direct fit, making the repair process straightforward for qualified technicians.

Safety First:
Remember, capacitors store electrical energy even when the machine is unplugged. Always follow proper safety procedures, including disconnecting power and discharging the capacitor safely, before attempting any internal repairs. Investing in this high-quality replacement part helps extend the life of your welder and ensures you can trust your equipment on the next big job.

Additional Information
Component Type:Aluminum Electrolytic Capacitor
Capacitance:9800 uF
Voltage Rating:50 VDC
Brand:ESAB
Application:Welding Power Source Repair
Dielectric Material:Aluminum
Packaging Description:pack of 1

INCLUDED

  • 1 x ESAB Aluminum Electrolytic Capacitor (9800 uF, 50 VDC)

APPLICATIONS

  • Replacement of failed DC bus capacitors in ESAB welding power sources
  • Repair of welding machines exhibiting unstable arcs or power loss
  • Maintenance of industrial power supplies requiring 9800uF 50VDC filtering
  • Restoration of older welding equipment to factory operating specifications

FAQ

It acts as a filter to smooth out voltage ripples and store energy, ensuring a stable DC output for the welding arc.

Common signs include a bulging top, leaking fluid, the machine humming loudly, or an erratic, unstable welding arc.

Capacitors store lethal voltage even when unplugged. Only qualified technicians who know how to safely discharge capacitors should perform this repair.

Generally, yes. You can use a higher voltage rating (e.g., 63V instead of 50V), but never lower. However, sticking to the OEM spec ensures physical fitment.

Yes, this is an aluminum electrolytic capacitor and is polarized. Connecting it backwards will cause it to fail, potentially explosively.

It stands for 9800 microfarads, which is the measure of the capacitor's capacity to store electrical charge.

It might, if the capacitor is shorted or open in the power supply, but there could be other causes. Diagnosis with a multimeter is recommended.

Yes, this is listed as a genuine ESAB replacement part, ensuring compatibility with their equipment.