Switch for medium voltage applications, which switch comprises: - a vacuum interrupter having: * a fixed contact, * a movable contact movable in a first direction to and away from the fixed contact between a closed position and an open position, and * a drive rod arranged to the movable contact for moving the contact between the closed and open position; - a changeover switch having: * a first terminal body, * a second terminal body, * an elongate pole body hinged with a first end to the first terminal body and rotatable between a connected position in which the second end of the pole body is in direct electrical contact with the second terminal body and a disconnected position in which the second end is disconnected from the second terminal body, and * an operating rod hinged with one end to the elongate pole body and extending in substantially the first direction; wherein the first terminal body is fixedly arranged and in electrical contact with the movable contact characterized in that a main marker is arranged on one of the drive rod and the operating rod and in that two sets of at least two auxiliary markers (14, 15, 16, 17) are arranged on the other of the drive rod and the operating rod, wherein the two sets are spaced apart in the first direction with a first pitch distance (p 1), and wherein the at least two auxiliary markers (14, 15, 16, 17) of each set are spaced apart in the first direction with a second pitch distance (p 2), wherein the second pitch distance (p 2) is smaller than the first pitch distance (p 1). - a vacuum interrupter having: * a fixed contact, * a movable contact movable in a first direction to and away from the fixed contact between a closed position and an open position, and * a drive rod arranged to the movable contact for moving the contact between the closed and open position; * a fixed contact, * a movable contact movable in a first direction to and away from the fixed contact between a closed position and an open position, and * a drive rod arranged to the movable contact for moving the contact between the closed and open position; - a changeover switch having: * a first terminal body, * a second terminal body, * an elongate pole body hinged with a first end to the first terminal body and rotatable between a connected position in which the second end of the pole body is in direct electrical contact with the second terminal body and a disconnected position in which the second end is disconnected from the second terminal body, and * an operating rod hinged with one end to the elongate pole body and extending in substantially the first direction; wherein the first terminal body is fixedly arranged and in electrical contact with the movable contact characterized in that a main marker is arranged on one of the drive rod and the operating rod and in that two sets of at least two auxiliary markers (14, 15, 16, 17) are arranged on the other of the drive rod and the operating rod, wherein the two sets are spaced apart in the first direction with a first pitch distance (p 1), and wherein the at least two auxiliary markers (14, 15, 16, 17) of each set are spaced apart in the first direction with a second pitch distance (p 2), wherein the second pitch distance (p 2) is smaller than the first pitch distance (p 1). * a first terminal body, * a second terminal body, * an elongate pole body hinged with a first end to the first terminal body and rotatable between a connected position in which the second end of the pole body is in direct electrical contact with the second terminal body and a disconnected position in which the second end is disconnected from the second terminal body, and * an operating rod hinged with one end to the elongate pole body and extending in substantially the first direction; wherein the first terminal body is fixedly arranged and in electrical contact with the movable contact characterized in that a main marker is arranged on one of the drive rod and the operating rod and in that two sets of at least two auxiliary markers (14, 15, 16, 17) are arranged on the other of the drive rod and the operating rod, wherein the two sets are spaced apart in the first direction with a first pitch distance (p 1), and wherein the at least two auxiliary markers (14, 15, 16, 17) of each set are spaced apart in the first direction with a second pitch distance (p 2), wherein the second pitch distance (p 2) is smaller than the first pitch distance (p 1).