Electric and electronic components, assemblies and apparatus, in particular relays, coupling modules, input and output apparatus, repeaters, gateways, hubs, sensor systems, control apparatus, timers, monitoring modules, electrical power supplies, protective and switching equipment (including fuses, overvoltage protection modules, switches, switching equipment, relays); all the aforesaid goods for telecommunications and data networks, for bus systems for building automation, machine automation and installation automation, and for the measuring, capture, storage, transmission and evaluation of energy consumption or environmental information; electric and electronic connecting and installation apparatus and systems constructed therefrom, electronic components and modules