A connector assembly (1) comprising a main connector (2) with a contact support (6), and a mating connector (3) that can be mated with the main connector (2), having a contact support (7), wherein the mating connector (3), in the plug-in region, is formed with a chamfer (10) that corresponds to the shape of the main connector (2) such that, during the mating process, the main connector (2) is inserted into the mating connector (3) in a predefined position, wherein the main connector (2) comprises two axially extending springs (8), arranged in opposition in the plug-in direction, and the mating connector (3) comprises two opposing slots (9), or vice versa, wherein a spring (8) corresponds to its respective slot (9), characterized in that the two springs (8) have different lengths.