Surge voltage arrester consisting of base element with protective plug with a connection in series with a varistor and a gas-filled spark gap - for mounting on NS 35/7.5 - nominal voltage: 230 V AC - 1-channel
surge protection connector type 2 with series connection consisting of varistor and gas-filled spark gap for VAL-MS base element - thermal monitoring - visual fault warning. Design: 350 V AC