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0458810880 - ESAB PSF Series Replacement Trigger Switch Assembly

Packaging: 1 per ea
$51.48/ea $31.06/1 per ea only $31.06/eaSave 40%

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SKU: ESB0458810880 Categories: ,

OVERVIEW

Genuine ESAB Replacement Trigger for PSF Series Torches

The ESAB 0458810880 Trigger Complete is a critical replacement component designed specifically for the ESAB PSF series of MIG welding torches. This assembly is engineered to meet the exact specifications of the original equipment, ensuring seamless integration with PSF 250, PSF 305, PSF 405, and PSF 505 gun handles. As a genuine OEM part, it maintains the manufacturer's standards for durability, electrical reliability, and ergonomic performance.

In industrial welding environments, the trigger mechanism is one of the most frequently used and mechanically stressed components of a MIG gun. Over time, the internal switch contacts may wear out, or the plastic housing may suffer damage from impacts or heat exposure. This replacement unit is a "complete" assembly, meaning it includes the necessary structural and mechanical elements to fully restore the trigger function. It is manufactured from high-impact resistant materials capable of withstanding the rigors of daily fabrication work.

Installation of the 0458810880 is straightforward for maintenance personnel familiar with torch repair. By replacing a faulty trigger with this genuine ESAB part, users ensure consistent arc initiation and termination, which is vital for weld quality and operator safety. Using non-OEM switches can often lead to fitment issues or premature failure; sticking with the specified ESAB part number guarantees that the torch operates as intended by the factory.

This component is essential for maintaining the operational readiness of ESAB PSF welding systems. Whether for routine maintenance or emergency repair, stocking the Trigger Complete ensures that downtime is minimized and production continues efficiently.

Additional Information
Brand:ESAB
Packaging Description:1 Per Ea
Compatible Models:PSF 250, PSF 305, PSF 405, PSF 505
Part Type:Trigger Assembly, Switch
Torch Type:MIG, Fume Extraction

INCLUDED

  • 1 x Complete Trigger Assembly

APPLICATIONS

  • Repairing ESAB PSF 250 MIG Guns
  • Repairing ESAB PSF 305 MIG Guns
  • Repairing ESAB PSF 405 MIG Guns
  • Repairing ESAB PSF 505 MIG Guns
  • General maintenance of ESAB fume extraction torches
  • Restoring arc initiation control in industrial fabrication settings

FAQ

This trigger assembly is designed for ESAB PSF series torches, specifically the PSF 250, PSF 305, PSF 405, and PSF 505.

This is the 'Trigger Complete' (Compl), which typically includes the plastic trigger mechanism and the necessary actuation components to function as a switch.

Installation generally involves opening the torch handle case (usually held by screws), disconnecting the control wires from the old switch, and connecting them to the new assembly before closing the handle.

Yes, this is a genuine ESAB part with the SKU 0458810880.

Yes, the PSF series generally shares handle components, but always verify your specific torch's parts diagram to confirm compatibility with the standard PSF trigger.

Yes, a sticking trigger is often caused by a worn return spring or debris inside the housing. Replacing the complete assembly usually resolves this issue.

Replacement parts typically do not come with detailed instructions. Refer to your welding gun's service manual for the exploded view and assembly guide.

No, this is specific to the ESAB PSF handle design and will not fit other brands like Binzel or Tweco.