... or for switching signal devised when temperature limit has been exceeded.Technical DataSwitch temperature difference: 7k(±4k tolerance) Sensor ... 33*43mm Weight: approx. 40g Fitting position: variableOperating/shorage temperature: -20 to +80°C(-49 to 1760 F protection ... IP20 thermostat,dual thermometer,stego thermostat,thermal controller, temperature controller,bimetal thermostat,Thermostat KT 011