The invention relates to a modular electric cross connector for producing an electrically conductive connection, in particular of electric contacts (20) of relay sockets, comprising a carrier (100) and an electric bridge (200) partially received on/in the carrier (100), by means of which bridge the electrically conductive connection can be produced, wherein the carrier (100) can be mechanically connected by means of a mechanical plug connection to at least a second electric cross connector (1).