Thermocouple connection head Thermocouple connection head terminal block insulater, Material:Aluminum, Color:Silver. KSC ... cover :aluinium alloy,stainless steel. Materials of connector:bakelite,ceramics. Connect terminal assorted to 2P,3P,4P,6P. Protection ... models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power ...