Connection element for electrically connecting a fluid-coolable individual line, fluid-coolable individual line unit, and charging cable

A connection element (1) for electrically connecting an individual line which has a concentric conductor arrangement and a central channel for a cooling fluid, the connection element (1) comprising:

• a. an electrically conductive housing (2)
• b. having a sleeve-shaped compression section (6) which is suitable for producing a compression joint with the concentric conductor arrangement,
• c. wherein the electrically conductive housing (2) has an internal cooling channel (10) having a connection opening (11) for an external cooling line, said cooling channel leading into a space (12) surrounded by the sleeve-shaped compression section (6),
• d. wherein the connection element (1) furthermore comprises a counterpressure element (3), which can lie at least partially in the space (12) surrounded by the sleeve-shaped compression section (6),
• e. wherein the counterpressure element (3) is furthermore configured to support a concentric conductor arrangement on the inner side (40) thereof when the sleeve-shaped compression section (6) is compressed during the production of a compression joint, and is designed to be fluid-permeable in the pressed state in order to ensure a fluid connection through the counterpressure element (3).