Further information for Dehn + Soehne 920364 - Dehn Combined arrester module BLITZDUCTOR XT ML4 24
Space-saving combined surge arrester module with LifeCheck for protecting 2 pairs of symmetrical interfaces with input diode protection circuit, current loops (TTY) and optocoupler inputs. LifeCheck detects thermal or electrical overload conditions after which the surge arrester must be replaced. The indication is contactless using DEHNrecord LC / SCM / MCM.