2 Pack KSD301 Ceramic Thermostats - Normally Closed, 210°C (410°F) Temperature Control Switch - Perfect for Coffee Makers, Electric Kettles, and Home Appliances

It's closed at normal temperature until the surface temperature reaches at the action Celsius degree, and then the switch opens, the circuit connected turns off and becomes unworkable. 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. Ceramic insulator material design can provide better protection. When the surface cools off about 5 degrees, the switch automatically close. KSD301 series product is a kind of thermostat which adopt the bimetal disc as the temperature sensing .