Junction box Thermocouple connection head terminal block insulater, Material:Aluminum, Color: ... steel. Materials of connector:bakelite,ceramics. Connect terminal assorted to 2P,3P,4P,6P. Protection class ... ,Models of different material has different wiring terminal,mainly: KNC,KNE,KSC,KSE. We ... ,Pressure sensor ,load cell sensor, KNE KSC box, Rotary Encoder and computer integrated control system etc. ...