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0558002435 - ESAB 3100uF 450VDC Replacement Capacitor

Packaging: pack of 1
$550.28/EA $329.69/pack of 1 only $329.69/EASave 40%

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OVERVIEW

Restore Your Welder's Power with Genuine ESAB Parts

When your welding machine starts acting up—whether it's a weak arc, strange humming noises, or a complete refusal to power on—the issue often lies deep within the power supply. The ESAB 3100uF 450VDC Capacitor (Part Number 0558002435) is a vital replacement component that breathes new life into tired equipment. Capacitors are like the batteries of your welder's internal electronics; they store energy and release it smoothly to create the stable, powerful arc you rely on. Over time, however, these components can degrade, dry out, or bulge, leading to performance drops that affect your weld quality and productivity.

This genuine ESAB replacement is an aluminum electrolytic capacitor specifically rated for the high-demand environment of a welding shop. With a massive 3100 microfarad capacity and a robust 450-volt rating, it is built to handle the heavy electrical loads generated during welding. Using generic or mismatched capacitors can be dangerous and may lead to further damage to your expensive inverter boards. By choosing the OEM part, you are guaranteed the correct physical size, terminal configuration, and electrical properties intended by the engineers who designed your machine.

Signs You Might Need a New Capacitor:

  • Visual Inspection: If you open your machine (safely, with power disconnected) and see the top of a cylinder bulging, leaking fluid, or looking scorched, it's time to replace it.
  • Performance Issues: An unstable arc that sputters despite good settings and grounds can indicate
Additional Information
Brand:ESAB
Voltage:450 VDC
Packaging Description:1 Per Ea
Capacitance:3100 uF
Component Type:Aluminum Electrolytic Capacitor
Material:Aluminum

INCLUDED

  • 1 x 3100uF 450VDC Aluminum Capacitor

APPLICATIONS

  • Replacement part for ESAB welding power sources
  • DC bus voltage smoothing in inverters
  • Energy storage for welding arc dynamics
  • Repair of industrial power supplies

FAQ

This capacitor is rated at 3100 microfarads (uF).

It has a maximum voltage rating of 450 Volts DC (VDC).

Yes, this is an aluminum electrolytic capacitor and is polarized. Correct polarity must be observed during installation.

Generally, you can use a higher voltage capacitor to replace a lower voltage one, but you should never use a lower voltage capacitor than the original. However, sticking to the OEM spec of 450V is recommended.

Visual signs include bulging tops, leaking electrolyte, or burn marks. Electrical signs include a welder that won't power up or has a very unstable arc.

Capacitors store lethal amounts of energy even when the machine is unplugged. Installation should only be performed by a qualified technician who knows how to properly discharge the capacitor bank.

This is an ESAB spare part. Please consult your specific machine's parts diagram or service manual to confirm compatibility with part number 0558002435.

It is an aluminum electrolytic capacitor.