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ESAB / Thermal Dynamics 403056-011 Enclosed Relay, 17A

$347.68/EA $252.17/pack of 1 only $252.17/EASave 27%

Usually ships within 3-5 business days

OVERVIEW

Get Your Machine Back to Work

Is your plasma cutter or welder acting up? Maybe the gas isn't flowing when you pull the trigger, or the machine powers on but won't initiate an arc. Often, these frustrating issues come down to a small, inexpensive component failing inside the case: the relay. The ESAB 403056-011 Enclosed Relay is the genuine replacement part you need to fix these common electrical gremlins and get back to fabrication.

Why Choose This Relay?
This isn't just a generic electronics part; it's the specific 17-amp relay designed for your Thermal Dynamics or Tweco machine. It features a sealed, enclosed body that keeps out the shop dust and metal filings that kill lesser components. When you're working in a dirty shop environment, that protection is the difference between a fix that lasts for years and one that fails in a month.

Easy Replacement
If you are comfortable performing basic machine repairs, swapping out a faulty relay is often a straightforward job. This unit is designed to fit directly into the existing mount or socket of compatible machines, eliminating the need for modification. Don't let a small electrical switch hold up your big projects. Keep a spare on hand or order this replacement today to restore your equipment's reliability.

Compatibility
This part is widely used across the ESAB family of brands, including Thermal Dynamics plasma cutters and Tweco fabricator units. Always check your machine's parts diagram or the number on your old relay to confirm, but if you see "403056-011" and "17A", this is the exact match you are looking for.

Additional Information
Brand:ESAB
Packaging Description:1 Per Ea
Component Type:Relay
Amperage Rating:17A
Enclosure Type:Enclosed

INCLUDED

  • 1 x Enclosed Relay (17A)

APPLICATIONS

  • Replacement of faulty relays in Thermal Dynamics plasma cutters
  • Repair of control circuits in Tweco welding machines
  • Switching applications requiring a 17A enclosed relay in industrial environments
  • Maintenance of ESAB-brand power sources and wire feeders

FAQ

This relay is rated for 17 Amps.

Yes, this is a genuine ESAB / Thermal Dynamics / Tweco replacement part.

Enclosed means the internal contacts and coil are housed inside a plastic case to protect them from dust, debris, and accidental contact.

It is used in many Thermal Dynamics units, but you should check your specific machine's parts manual or the number on the existing relay to confirm compatibility.

While possible, generic relays may not match the physical footprint, coil voltage, or environmental protection rating of the OEM part, potentially leading to installation issues or premature failure.

Common symptoms include a machine that won't click on, gas that won't flow, or a specific function (like wire feed) failing to activate when the trigger is pulled.

No, this SKU typically includes the relay only. You usually reuse existing clips or sockets.

Yes, the enclosed design makes it specifically suitable for environments with airborne particulates, such as welding shops.
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