Liquid expansion operation. Direct immersion mounting of the bulb via threaded sheath Gc1/2 (included). Sensitive element with stainless steel diaphragmCopper bulb and capillary. Copper sheath with Gc ½ PN10 connectionBase and cover in shock-proof selfextinguishing thermoplastic V0. ACCESSORIESCod. 303298LA: cable gland G1/2 for connection output in shock-proof self-extinguishing thermoplastic material V0. Cod. G30: copper sheath Gc 1/2 PN10 bar, length 100mm, Ø 8mm. Electric featuresRated insulation voltage Ui 380V~Continuous duty rated current Ith 15A