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285590 - Miller Millermatic 350P Capacitor Repair Kit

Packaging: 1 PER EA
$328.17/EA $214.57/1 PER EA only $214.57/EASave 35%

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OVERVIEW

Restore Your Millermatic 350P with Genuine Miller Parts

The Miller 285590 Kit, Replacement Capacitor 350P/350P AL is an essential repair component designed to maintain the high-performance standards of your industrial welding equipment. Capacitors play a critical role in the power regulation of inverter and pulsed-MIG welding machines, storing electrical energy to smooth out voltage ripples and ensure a stable, consistent arc. Over time, capacitors can degrade due to heat, age, and electrical stress, leading to erratic welding performance or machine failure.

This genuine OEM kit is engineered specifically for the Millermatic 350P and Millermatic 350P Aluminum systems. By using authentic Miller parts, you ensure that the replacement component matches the exact electrical specifications—voltage rating, capacitance, and physical dimensions—required by your machine's power topology. This eliminates the risks associated with generic aftermarket parts, which may not handle the rigorous duty cycles of industrial welding environments.

Whether you are performing routine preventative maintenance or repairing a downed machine, the Miller 285590 kit provides the reliability you need to get back to welding. Josef Gas is your trusted source for genuine Miller Electric components, ensuring your shop stays productive with minimal downtime.

Additional Information
Packaging Description:1 Per Ea
Compatible Models:Millermatic 350P, Millermatic 350P Aluminum
Part Type:Capacitor Kit, Repair Part
----- new values below ----
Compatible Models:Millermatic 350P, Millermatic 350P Aluminum
Part Type:Capacitor Kit, Repair Part
brand:miller
packaging-description:1-per-ea

INCLUDED

  • 1 x Miller 285590 Capacitor Replacement Kit
  • Installation Hardware (where applicable)

APPLICATIONS

  • Repairing Millermatic 350P welding power sources
  • Servicing Millermatic 350P Aluminum welding machines
  • Replacing aged or leaking capacitors in industrial welders
  • Correcting arc instability caused by power board issues
  • General electrical maintenance of Miller MIG equipment

FAQ

This kit is specifically designed for the Millermatic 350P and the Millermatic 350P Aluminum welding machines.

Capacitors degrade over time. A failing capacitor can cause unstable arcs, power fluctuations, or prevent the machine from turning on entirely.

Yes, the Miller 285590 is a genuine Original Equipment Manufacturer part from Miller Electric.

Most Miller repair kits include necessary instructions, but it is recommended to consult the technical service manual for your specific machine serial number.

Installation involves working with high-voltage internal components. It is highly recommended that a qualified technician perform the repair to ensure safety and proper function.

Symptoms may include a loud humming noise, visible leaking or bulging of the capacitor, error codes related to input power, or a weak/erratic welding arc.

This kit is listed specifically for the 350P and 350P Aluminum. Do not attempt to use it in other models without verifying with Miller technical support.

Yes, capacitors store lethal energy even when unplugged. Proper discharge procedures and safety equipment are mandatory during installation.