20409 - ESAB PT-15/19/600 HF Connection Insulator

Reliable Performance with Genuine ESAB Parts

The ESAB 20409 Insulator HF Connection is a critical component designed specifically for the maintenance and repair of ESAB's heavy-duty plasma torches, including the PT-15, PT-19, and PT-600 models. In high-performance plasma cutting systems, the integrity of the torch assembly is paramount for both safety and cut quality. This insulator serves a vital role in managing the High Frequency (HF) starting mechanism, ensuring that the voltage required to initiate the pilot arc is contained and directed properly.

Over time, the extreme heat and high voltage cycles inherent in plasma cutting can degrade internal torch components. An insulator that has become cracked, carbon-tracked, or brittle can lead to erratic arc starting, misfires, or even internal arcing that damages expensive torch heads. By choosing the genuine ESAB 20409 replacement part, you are investing in the longevity of your equipment. This part is manufactured to ESAB's exact specifications, ensuring a perfect fit and restoring the original dielectric properties of the torch assembly.

Whether you are operating a mechanized cutting table or a heavy manual system, downtime is costly. Keeping spare insulators like the 20409 on hand allows for quick troubleshooting and repair, minimizing interruptions to your production schedule. This component is engineered from durable, heat-resistant materials capable of withstanding the rigorous environment of industrial metal cutting.

Key Benefits

• Exact Fit: Designed exclusively for PT-15, PT-19, and PT-600 series torches.


• Safety: Prevents dangerous voltage leaks and internal arcing.


• Durability: High resistance to thermal shock and electrical stress.


• Performance: Restores reliable HF arc starting capabilities.