A high-voltage connection device for use with an electrorheological device having a high-voltage connector with an insulating upper part, an insulating lower part, a connector socket, and a central metallic contact pin, wherein the connector socket is fixed to a grounded portion of the electrorheological device and the upper part contains ground terminal elements and is axially connected to the lower part. Additionally, the upper part has a pot-like design and coaxially surrounds both the lower part and the connector socket in the connected state.