Dehn & Söhne 900788 Protective devices SPD+POP 4 255 C63

Complete unit ready for connection, no additional wiring of the individual devices necessary. Meets the requirements of EN 50550 'Protection devices against mains frequency overvoltages'. High device safety through arrester monitoring 'Thermo-Dynamic-Control'. For protecting low-voltage consumer systems against transient and temporary overvoltages (SPD+POP). For use in the lightning protection zone concept at interfaces 0B-1 and higher.