thermostatic switch

thermostatic switch

[¦thər·mə¦stad·ik ′swich] (electricity) A temperature-operated switch that receives its operating energy by thermal conduction or convection from the device being controlled or operated.

thermostatic switch

A type of switch installed inside security cabinets, vaults, etc. If the temperature within the cabinet or vault rises significantly above its normal value, the thermostatic switch closes, thereby activating an alarm.