Apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; control apparatus; transistor conversion apparatus; power converters, in particular in compact form, in particular for rail vehicles and vehicles for local public transport; electrotechnical and electromechanical components (included in this class); voltage converters; electrical converters; direct current converters; rectifiers; current convertors; electric inverters; static converters; high-voltage transformers; electrical measurement, signal and control apparatus and instruments; switches; switches, electric; switches for electrical components; micro switches; pressure switches; tumbler switches; lever switches; switching devices; relays; electrical switching devices and contactors; sensors; electrical and electronic components, as far as included in this class; electrical and electronic components, parts and assemblies for electric vehicles and rail vehicles, as far as included in this class; fuse boxes; fuses; conduit boxes; sleeves for electric cables; end caps and covers for electric connectors; plug-in connectors; plug-in connectors for electric and electronic components; plugs, sockets and other contacts [electric connections]; contacts, electric; cable connectors; electrical terminal connectors; control panels; fitted protective covers for electrical measurement, regulating and control apparatus or junction sleeves for electric cables; electrotechnical facilities for railway passenger coaches and power units, in particular control apparatus for electric train heating and air conditioning; apparatus for the electrical power supply of passenger coaches from the train power supply line and installations comprised thereof; switching and monitoring, control and regulating apparatus and devices for rail vehicles and for electrical equipment of passenger coaches and railcars; electric batteries and accumulators; parts and fittings for electric batteries and accumulators; chargers for electric accumulators and batteries; monitoring instruments and apparatus, particularly for access equipment for rail vehicles and vehicles of public transport and for braking systems; electrical, electronic and electromechanical gateways for data buses in rail vehicles and vehicles of local public transport; energy supply systems; switches, energy supply systems, battery chargers and appliances and systems for power distribution; apparatus for the generation of electricity using solar energy; parts and fittings for the aforesaid goods in this class.