An electrical switch for interrupting a current path, in particular of a voltage supply in a motor vehicle is disclosed. The switch includes a contact point which is formed from a first contact piece and a second contact piece which is mounted such that it can move about a rotation axis. Here, the contact point is electrically closed when the two contact pieces are in contact and is electrically opened when the two contact pieces are not in contact. Furthermore, the electrical switch includes an actuator unit and an electrically non-conductive separating element which can be moved in a translatory manner by means of the actuator unit and is designed to isolate the two contact pieces from one another and then to keep the two contact pieces apart in order to open and to keep open the contact point and to act as an insulator between the contact faces. The actuator unit includes a movement element which is mechanically coupled to the separating element, a drive device which is designed to move the movement element in a first movement direction in order to close the contact point, a device for generating and/or storing kinetic energy, which device is designed to move the movement element and/or the separating element in a second movement direction, which is opposite to the first movement direction, in order to open the contact point, and an electromagnetic actuator.