Further information for Dehn + Soehne 920342 - DEHN 920 342 combined SPD module BXT ML4 BD 12
Space-saving combined surge arrester module with LifeCheck for protecting 2 pairs of floating symmetrical interfaces. LifeCheck detects thermal or electrical overload conditions after which the surge arrester must be replaced. The indication is contactless using DEHNrecord LC / SCM / MCM.