Liquid expansion operation. Direct immersion mounting of the bulb via threaded sheath Gc1/ 2 ( included). The bi- thermostat is composed of a C03A and a C06AM in a single cover and one sheathSensitive element with stainless steel diaphragmCopper sheath with Gc ½ PN10 connectionBase, cover and knob in shock- proof self-extinguishing thermoplastic V0. ACCESSORIESCode 303298LA: cable gland G1/2 for connection output in shock-proof self-extinguishing thermoplastic material V0. Code G31: copper sheath with length 100mm, Gc 1/2” PN10. Electric featuresRated insulation voltage Ui 380V~Continuous duty rated current Ith 15A