Electrical connector

A connector unit comprising

• a first housing having a sidewall encompassing an interior space in which at least one electrical contact element is arranged,
• at least one further housing having a sidewall encompassing an interior space in which at least one electrical contact element is arranged, and
• a mounting element having a first opening and at least one further opening,
• wherein each of said first housing or said further housing comprises a mounting section via which mounting sections said first housing and said further housing are fixedly connected to the mounting element such that said first housing is allocated to a first opening and such that said further housing is allocated to a further opening,
• wherein each of said first housing or said second housing comprises on the outside of said sidewall a latching structure, wherein said latching structure of said first housing is adapted to be latched in with said latching structure of said further housing in order to establish a mechanical connection between two housings, and
• wherein the connector unit further comprises tubular elements, wherein at least one tubular element is fixedly arranged in said interior space of each of the housings,
• wherein the tubular element is made from an electrically insulating material, and
• wherein the housings and the mounting element are made out of a conductive material, whereby an electrical contact is provided between the housings and the mounting element.