Connection element for electrical conductors, in particular shielded conductors, wherein the connection element is designed to electrically connect the electrical conductor to a busbar, wherein the connection element has: a) at least one busbar fastening section which is designed to fasten the connection element to the busbar, b) at least one spring clamping mechanism which is formed with a prestressed clamping spring, is connected to the busbar fastening section and is designed to press an inserted electrical conductor against the busbar by means of the spring force of the clamping spring in a clamping position, c) at least one locking mechanism (8, 61, 62, 63, 64, 69, 82, 83) which is designed to lock the spring clamping mechanism in a locking position in such a way that an inserted electrical conductor is not subjected to loading by the spring force of the clamping spring, characterized by the following features: d) the locking mechanism (8, 61, 62, 63, 64, 69, 82, 83) has at least one elastically self-sprung lug with at least one first latching means (82, 83) and at least one second latching means (61, 62, 63, 64, 69) which interacts with the first latching means (82, 83) in order to form a latching connection, e) the connection element has at least one transmission means which is designed to transmit a movement of the spring clamping mechanism into the locking position into a relative movement between the first and the second latching means (61, 62, 63, 64, 69, 82, 83) in such a way that the first latching means (82, 83) passes the second latching means (61, 62, 63, 64, 69), wherein the self-sprung lug automatically extends after the passing operation and, in the process, the first latching means (82, 83) establishes the latching connection with the second latching means (61, 62, 63, 64, 69). a) at least one busbar fastening section which is designed to fasten the connection element to the busbar, b) at least one spring clamping mechanism which is formed with a prestressed clamping spring, is connected to the busbar fastening section and is designed to press an inserted electrical conductor against the busbar by means of the spring force of the clamping spring in a clamping position, c) at least one locking mechanism (8, 61, 62, 63, 64, 69, 82, 83) which is designed to lock the spring clamping mechanism in a locking position in such a way that an inserted electrical conductor is not subjected to loading by the spring force of the clamping spring, characterized by the following features: d) the locking mechanism (8, 61, 62, 63, 64, 69, 82, 83) has at least one elastically self-sprung lug with at least one first latching means (82, 83) and at least one second latching means (61, 62, 63, 64, 69) which interacts with the first latching means (82, 83) in order to form a latching connection, e) the connection element has at least one transmission means which is designed to transmit a movement of the spring clamping mechanism into the locking position into a relative movement between the first and the second latching means (61, 62, 63, 64, 69, 82, 83) in such a way that the first latching means (82, 83) passes the second latching means (61, 62, 63, 64, 69), wherein the self-sprung lug automatically extends after the passing operation and, in the process, the first latching means (82, 83) establishes the latching connection with the second latching means (61, 62, 63, 64, 69).