Further information for Dehn + Soehne 920280 - DEHN 920 280 arrester module 1 pair Blitzductor XT Ex (i)
Space-saving surge arrester module with LifeCheck for protecting 1 double wire of intrinsically safe measuring circuits and bus systems, optionally direct or indirect shield earthing. Insulation strength > 500 V wire-earth. LifeCheck detects thermal or electrical overload conditions after which the arrester must be replaced. The indication is contactless using DEHNrecord LC / SCM / MCM.