27-13-08-02 Lightning current arrester for power supply systems

27-13-08-03 Basic element for surge protection device

27-13-08-05 Surge protection device for power supply systems

27-13-08-06 Surge protection device for terminal equipment

27-13-08-07 Surge protection device for data networks/MCR-technology

27-13-08-13 Remote signaling module f. lightning current/surge arrester