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0349303985 - ESAB 0349303985 Replacement Microswitch SP1

Packaging: pack of 1
$46.17/EA $27.66/pack of 1 only $27.66/EASave 40%

Usually ships within 3-5 business days

OVERVIEW

Fix Your Welder with Genuine Parts

Is your ESAB welder acting up? A faulty switch is often the culprit behind intermittent wire feeding, trigger issues, or machine errors. The ESAB 0349303985 Microswitch (SP1) is the authentic replacement part you need to get your equipment back up and running. Small switches like this play a huge role in how your welder functions—they tell the machine when to start the arc, when the wire is running, or when a safety guard is open. When they fail, your productivity stops.

Don't waste time trying to retrofit a generic switch from an electronics store. This genuine ESAB part is designed to fit exactly right the first time. The mounting holes line up, the terminals are the correct size, and the button action feels exactly like it did when the machine was new. This means you can swap out the broken part quickly and get back to welding without frustration. Whether you are fixing a wire feeder that won't detect the spool or a trigger that sticks, using the correct part is the fastest path to a solution.

Microswitches wear out over time due to the thousands of clicks they endure. If you are noticing that you have to press a trigger extra hard, or if a safety feature on your machine is tripping for no reason, it might be time to replace the switch. Keeping a spare 0349303985 in your maintenance kit is a smart move for any shop that relies on ESAB equipment. It’s a small investment that can save you hours of downtime in the middle of a critical job.

This part is built to handle the vibration and usage of a welding shop environment. It offers the crisp, reliable 'click' you expect from professional equipment. Simply check your welder's manual or parts diagram to confirm that part number 0349303985 is what you need, and order with confidence knowing you are getting the real deal. Restore your welder's performance and reliability today with this high-quality replacement component.

Additional Information
Brand:ESAB
Packaging Description:1 Per Ea
Product Type:Microswitch
Configuration:SP1
Application:Welding Equipment Repair

INCLUDED

  • 1 x ESAB Microswitch (SP1)

APPLICATIONS

  • Replacement of faulty trigger switches in compatible MIG guns
  • Repair of limit switches in wire feeder assemblies
  • Restoration of safety interlock functions in power sources
  • General electrical repair for ESAB welding machinery

FAQ

It acts as an electrical sensor or control switch, typically used for triggers, limit detection, or safety interlocks within the welding machine.

Yes, this is a genuine OEM ESAB replacement part, SKU 0349303985.

Symptoms include intermittent operation, failure to activate a function (like wire feed or arc start), or a lack of the characteristic 'click' sound/feel when actuated.

While possible, it is not recommended. Generic switches may not have the correct mounting dimensions, actuation force, or electrical rating, leading to unreliable operation.

SP1 typically refers to the switch configuration, likely indicating a Single Pole design specific to this part's application.

Usually, microswitches like this are sold as the switch body only and require you to connect your existing wiring to the terminals.

No, it is specific to certain models. Please check your equipment's parts manual or breakdown to verify the part number 0349303985.

Typically, you will need a screwdriver to open the machine housing and possibly pliers or a soldering iron depending on how the wires are connected.