ITEM NAME:5pcs 60C 140F NC Normally Closed Thermostat Temperature Thermal Switch KSD3 W5E7 5pcs 60C 140F NC Normally Closed Thermostat Temperature Thermal Switch KSD3 W5E7 Product Name : Temperature Switch; Model : KSD301 Action Type : NC (Normal Close) Action Temperature : 60C/140F; Voltage : 250V 10A Circuit Resistance : 50M Ohm Insulation Resistance : 100M Ohm Package : 5 x Temperature Switch Material : Metal, Plastic Color : Silver Tone, Black Size : 3.3 x 3.3 x 1.1 cm / 1.3" x 1.3" x 0.4" (L*W*H) Weight : 22g It is close until the surface reaches Action Celsius degree and then the switch open, automatically reset. Widely used for temperature control or protection for household electric appliances. Application: water dispenser, electric open water bottles, sterilizer, miniwave, coffee maker, rice cookers, air