DEHN BLITZDUCTOR XT 4P for EIB signaler og KNX bus for 2 par

Space-savings four-pole lightning current arrester module with LifeCheck feature for almost all applications. For use in connection with downstream Type 2/P1 surge arresters or combined lightning current and surge arresters with a lower or equal voltage level. If LifeCheck detects thermal or electrical overload, the arrester has to be replaced. This status is indicated contactlessly by the DEHNrecord LC / SCM / MCM reader.