Switchgear cabinets, racks, housings and consoles of metal and/or plastic, mainly for industry, electric installations, electronics, telecommunications, data processing, interactive terminal systems and data transmission; current distribution components, included in class 9, in particular busbar systems, busbar holders, cover systems in connection with and for switchgear cabinets, fuse components, conductor connection terminals, adapters for connectors and devices, and load-breakers; modules and system components for power subdistribution, power supplies, namely power supply units, electric accumulators, power-supplying apparatus, including in modular form; power converters; power inverters; electric accumulators; overload protection devices for sensitive electronic apparatus and computers, namely fuses and monitoring units.