A power distributor for use in vehicles is provided. The power distributor includes a base module having a central power feed and at least two universal modules, thereby forming a modular structure of the power distributor. The universal modules have defined geometries and are mechanically and electrically removably connectable to corresponding locations on the base module. Each universal module includes at least one electrical component. The base module includes a printed circuit board having at least one of current conducting paths and at least one bus bar. The base module comprises contact connectors for connection to loads of the vehicle. An electrical component is also provided as a semi-finished product for further processing in vehicles. The electrical component includes a bus bar and a lamellar contact attached thereto.