A contact device for high-current transfer, - comprising a contact element and a cooling unit, - the cooling unit comprising a heat sink, a heat transfer medium, a first heat exchanger section and a second heat exchanger section, - wherein the first heat exchanger section is connected to the second heat exchanger section in a fluidic manner, - wherein the heat sink is arranged at a distance from the contact element, - wherein the heat sink is connected to the second heat exchanger section, - wherein the first heat exchanger section is arranged in the contact element, - wherein the heat transfer medium circulates in a circuit between the first heat exchanger section and the second heat exchanger section, - wherein the heat sink is electrically insulated from the contact element, - wherein the contact element extends in a longitudinal direction, - wherein the contact element has, on an outer peripheral surface, a contact surface for electrical contacting, - wherein the contact element has a recess which extends, at least in sections, in the longitudinal direction, - wherein the first heat exchanger section is arranged in the recess, - wherein a first joining section is supplied on a longitudinal end of the contact element, - wherein a connection piece is supplied, - wherein the connection piece comprises a tubular section and a second joining section which is connected to the tubular section, - wherein the tubular section is arranged in the recess, - wherein the second joining section is connected to the first joining section in a fluid-tight manner, - wherein the connection piece has an outlet, - wherein the tubular section has an outer peripheral surface, - wherein the recess and the outer peripheral surface of the tubular section delimit the first heat exchanger section, - wherein the first heat exchanger section is connected to the outlet of the connection piece in a fluidic manner, - characterized in that - the tubular section is arranged running centrally in the recess, - wherein the outer peripheral surface is arranged at a distance from a recess side surface of the recess. - comprising a contact element and a cooling unit, - the cooling unit comprising a heat sink, a heat transfer medium, a first heat exchanger section and a second heat exchanger section, - wherein the first heat exchanger section is connected to the second heat exchanger section in a fluidic manner, - wherein the heat sink is arranged at a distance from the contact element, - wherein the heat sink is connected to the second heat exchanger section, - wherein the first heat exchanger section is arranged in the contact element, - wherein the heat transfer medium circulates in a circuit between the first heat exchanger section and the second heat exchanger section, - wherein the heat sink is electrically insulated from the contact element, - wherein the contact element extends in a longitudinal direction, - wherein the contact element has, on an outer peripheral surface, a contact surface for electrical contacting, - wherein the contact element has a recess which extends, at least in sections, in the longitudinal direction, - wherein the first heat exchanger section is arranged in the recess, - wherein a first joining section is supplied on a longitudinal end of the contact element, - wherein a connection piece is supplied, - wherein the connection piece comprises a tubular section and a second joining section which is connected to the tubular section, - wherein the tubular section is arranged in the recess, - wherein the second joining section is connected to the first joining section in a fluid-tight manner, - wherein the connection piece has an outlet, - wherein the tubular section has an outer peripheral surface, - wherein the recess and the outer peripheral surface of the tubular section delimit the first heat exchanger section, - wherein the first heat exchanger section is connected to the outlet of the connection piece in a fluidic manner, - characterized in that - the tubular section is arranged running centrally in the recess, - wherein the outer peripheral surface is arranged at a distance from a recess side surface of the recess.