Electrical contact arrangement comprising - a housing, - a rotor which is mounted rotatably with respect to a housing, - at least one pair of contacts formed by a primary and a secondary contact ring (11, 12), which can be rotated with respect to one another about a longitudinal center axis and each of which has a contact surface (11d, 12d) which is in the form of a cone envelope and surrounds the longitudinal center axis, wherein the secondary contact ring is arranged on the rotor, - at least one roller, which rolls between the primary and the secondary contact ring (11, 12) of a respective pair of contacts and is mounted rotatably about an axis of rotation at right angles to the longitudinal center axis, wherein the roller has a contact surface which is in the form of a cone envelope, surrounds the axis of rotation, and forms a respective line contact, running along a respective contact line (31, 32), with the contact surfaces (11d, 12d) of the primary and secondary contact rings (11, 12), and - at least one spring element, which presses the contact surface of the roller against the contact surfaces (11d, 12d) of the primary and secondary contact rings (11, 12), wherein the spring force of the at least one spring element acts parallel to the longitudinal center axis, characterized in that a support portion of the secondary contact ring rests on a rotor base part of the rotor and a contact portion of the secondary contact ring, which contact portion comprises the contact surface, adjoins the support portion radially to the outside, and a support portion of the primary contact ring rests on a pressure plate (24, 25) of the electrical contact arrangement, which is acted upon by at least one spring element and is mounted axially displaceably with respect to a housing part (13, 14) of the housing of the electrical contact arrangement, wherein a contact portion of the primary contact ring adjoins the support portion radially to the outside and comprises the contact surface, wherein the angle, measured on the side of the contact surface (11d, 12d), between the contact portion (11b, 12b) and the support portion (11a, 12a) of the respective primary and secondary contact ring (11, 12) is greater in the assembled state than in the unloaded state, and the inclination of the respective contact portion (11b, 12b) in the assembled state matches the inclination of the contact surface of the respective roller with which it interacts. - a housing, - a rotor which is mounted rotatably with respect to a housing, - at least one pair of contacts formed by a primary and a secondary contact ring (11, 12), which can be rotated with respect to one another about a longitudinal center axis and each of which has a contact surface (11d, 12d) which is in the form of a cone envelope and surrounds the longitudinal center axis, wherein the secondary contact ring is arranged on the rotor, - at least one roller, which rolls between the primary and the secondary contact ring (11, 12) of a respective pair of contacts and is mounted rotatably about an axis of rotation at right angles to the longitudinal center axis, wherein the roller has a contact surface which is in the form of a cone envelope, surrounds the axis of rotation, and forms a respective line contact, running along a respective contact line (31, 32), with the contact surfaces (11d, 12d) of the primary and secondary contact rings (11, 12), and - at least one spring element, which presses the contact surface of the roller against the contact surfaces (11d, 12d) of the primary and secondary contact rings (11, 12), wherein the spring force of the at least one spring element acts parallel to the longitudinal center axis,