Check the listing for details. KSD301 Thermostat, Temperature Control Switch 85°C Copper M6 N.C 10A. Condition: New. Listed at 18.30 USD. Specification:Product Name : KSD301 ThermostatModel: KSD301Power : 250V 10AAction Temperature: 85°CAction Type: N.C (Normal Close)Thread Dia : M6Reset Tyoe : AutomaticMaterial : Copper, Bakelite Package Content : 1 x KSD301 Thermostat Description :1.Normally Closed: The original state of temperature control switch contact is closed, and open when the temperature sensing exceeds the rated temperature.2.Feature: Contact sensor, speed dynamic type, sensitive, reliable, safe, stable action temperature, long service life, no arc phenomenon.3.Advantage: General purpose, automatic reset, low cost, large capacity, minute current thermostats.4.Function: It is closed until the temperature reaches 85 Celsius degree, then the switch opens. Widely used for temperature control or protection for household electric appliances.5.