0369611880 - ESAB Replacement Trigger Switch for PSF 160 and PSF 250 MIG Guns

Restore Precision Control with the ESAB Mechanical Switch for PSF Series

The ESAB Mechanical Switch (0369611880) is a critical OEM replacement component engineered specifically for the widely used PSF 160 and PSF 250 series of MIG welding torches. In industrial welding environments, the trigger mechanism is one of the most frequently used and mechanically stressed parts of the gun assembly. Over time, the internal contacts can wear down, leading to intermittent arc initiation, signal loss, or a complete failure to feed wire. This genuine ESAB replacement part ensures that your equipment operates at the manufacturer's original specifications, maintaining the reliability and safety of your welding operations.

Designed for seamless integration, this mechanical switch fits perfectly within the ergonomic handle of the PSF 160 and PSF 250 models. Unlike generic aftermarket switches that may require modification or suffer from poor contact geometry, this unit is built to ESAB's exacting standards. It provides the correct resistance and tactile feedback that professional welders rely on for precise start-stops. By replacing a faulty switch promptly, facilities can minimize downtime and avoid the cost of replacing entire torch assemblies when only a single component has reached the end of its service life.

For procurement managers and maintenance teams, stocking essential consumables and repair parts like the 0369611880 switch is vital for maintaining fleet uptime. This component is straightforward to install during routine maintenance intervals. It is constructed from durable materials designed to resist the dust, grit, and thermal cycling common in welding environments. Whether you are refurbishing older equipment or performing an emergency repair, choosing genuine ESAB parts guarantees compatibility and performance longevity.

Key Technical Benefits

• OEM Compatibility: Guaranteed fit for PSF 160 and PSF 250 handles without modification.


• Reliable Contact: High-quality internal contacts ensure consistent electrical signaling to the wire feeder.


• Durability: Engineered to withstand thousands of actuation cycles in industrial settings.


• Cost-Effective Repair: Extends the lifecycle of the MIG gun by addressing specific wear points.