The pins are closed at normal temperature, the circuit opens when the surface temperature reaches the action poin. General-purpose low cost, compact, large capacity, minute current thermostat.
Application: for household electric appliances, PC, Microwave ovens, Irons, Refrigerators, Electronic oven, heating unit, coffeepot, water heater, etc.
Note: this is manual reset thermostat, which means it cannot reset itself automatically after being activated.