Skip to Main Content
Canadian
Canadian owned and operated

952043 - ESAB ESP-100i Pressure Switch for PT-25 Retrofit

Packaging: pack of 1
$860.72/EA $515.69/pack of 1 only $515.69/EASave 40%

Usually ships within 3-5 business days

OVERVIEW

Restore Your ESP-100i to Peak Performance

Is your ESAB ESP-100i plasma cutter failing to start an arc or displaying air pressure fault indicators? The issue may lie with a faulty pressure switch. The ESAB 952043 Pressure Switch is the direct replacement part required for ESP-100i units, particularly those configured with the PT-25 torch retrofit. This small but mighty component plays a massive role in the functionality of your machine, acting as the gatekeeper for the plasma process. It verifies that there is sufficient air pressure to cool the torch and constrict the arc before allowing the power source to engage.

Over time, pressure switches can fail due to mechanical wear, diaphragm fatigue, or contamination from moisture and oil in the compressed air lines. A failing switch might result in intermittent operation, where the machine cuts out mid-job, or a complete refusal to fire, leading to costly downtime. Replacing the switch with the genuine ESAB 952043 ensures that your machine reads pressure signals accurately again. This specific model is engineered to match the electrical and pneumatic specifications of the ESP-100i, ensuring a hassle-free installation and immediate restoration of function.

Using non-OEM or universal switches can be risky in plasma applications. Incorrect pressure settings can allow the machine to fire with too little air, instantly melting your electrode and nozzle, and potentially fusing them to the torch head. The ESAB 952043 is calibrated to the exact safety margins required for the PT-25 and ESP-100i combination. This protects your investment in consumables and torch parts, saving you money in the long run.

Don't let a small sensor stop your production line. Keep your plasma cutter running smoothly and safely with this authentic replacement part. It is designed for straightforward replacement by qualified maintenance personnel, getting you back to cutting metal quickly. Whether you are dealing with a hard failure or proactive maintenance, this switch is the correct choice for maintaining the integrity of your ESAB plasma cutting equipment.

Additional Information
Brand:ESAB
Product Type:Pressure Switch
Compatible Models:ESP-100i, PT-25
Part Type:Switch
Application:Plasma Cutting
Packaging Description:pack of 1

INCLUDED

  • 1 x Pressure Switch Assembly

APPLICATIONS

  • Repair of ESAB ESP-100i plasma power sources
  • Maintenance of systems with PT-25 torch retrofits
  • Replacement of faulty or intermittent pressure switches
  • Restoration of safety interlock functionality in plasma cutters

FAQ

It monitors the input air/gas pressure to ensure it is sufficient for cooling the torch and maintaining a stable plasma arc, preventing machine operation if pressure is too low.

No, it is specifically listed for the ESP-100i system, particularly those involving the PT-25 torch retrofit. Always check your machine's parts manual.

Common symptoms include the machine refusing to arc despite having air supply, intermittent cutting, or air pressure fault lights remaining on.

It is not recommended. OEM switches like the 952043 are calibrated to specific pressure thresholds required to protect the specific torch and power source electronics.

It is usually located inside the power source chassis near the gas inlet solenoid or manifold assembly.

Typically, service parts like this do not come with instructions. Installation should be performed by a qualified technician referencing the ESP-100i service manual.

The PT-25 is a torch model often used to upgrade or replace older torches on the ESP-100i. This switch is compatible with the pressure requirements of that specific configuration.

It is an electromechanical part; it uses mechanical pressure to actuate an electrical switch contact.