Action and reset temperature can be set up depend on customer's request. This snap action temperature switch in three single-pole, single-throw (SPST) switch actions: 

Automatic Reset – either open or close its contacts on temperature rise. 

Manual Reset – Available with contacts that open on temperature rise. The contacts must be reset by pressing the button after the device cools down. 

One shot – Available with contacts that open on temperature rise, and which never reclose unless the ambient temperature drops below -35°C.