ConstructionThe basic element in the on-winding motor thermostatis the Klixon snap-acting disc. The electrical circouit consists of the pin, insulated from the caseby the glass-to-metal seal,connected to the stationary contact through the disc to the case.
Normal‑closed protector, which opens the circuit by means of a built‑in snap‑action bimetal disc. This protector offers dual protection against both temperature and circuit issues.