404044-007 - ESAB Thermal Arc Overload Switch 404044-007

Keep Your Welder Running and Prevent Burnout

There is nothing worse than being in the middle of a long bead and having your machine shut down unexpectedly, or worse, smelling burning electronics because a safety feature failed. The ESAB Thermostat Overload (404044-007) is the replacement part you need if your welder's thermal protection system has gone bad. This little switch is the guardian of your machine; it tells the welder when it's getting too hot and needs to take a break, saving you thousands of dollars in potential repairs.

If your machine is throwing thermal error codes, staying in "protect" mode even when cool, or not shutting off when it should, a faulty thermostat might be the culprit. Swapping it out with this genuine ESAB replacement ensures your machine knows exactly when to cool down and when it's safe to weld again. Don't risk frying your main board or transformer by bypassing safety switches or using cheap knock-offs. This part is built to fit right, connect easily, and handle the heat of a real shop environment.

Whether you are repairing a Thermal Arc unit or an ESAB power source, using the correct part number (404044-007) guarantees that the mounting holes and electrical tabs line up perfectly. Get your machine back in the fight and weld with confidence, knowing your equipment is protected against overheating. It’s a small part that does a big job—keeping your arc lit and your shop productive.