An arresting device is disclosed for a drive train which, in order to close a movable contact of an electric switch, can be moved from an OFF position into an ON position. In at least one embodiment, the arresting device includes an arresting including a pivot axis which extends outside its pivoting point. When the drive train is in its OFF position, the arresting element pivots from a position of rest into an arresting the position owing to a force which acts on its pivoting point, in the closing direction of the drive train, and in its arresting position, the arresting element is operatively connected to the drive train and blocks the movement of the drive train into it ON position. In at least one embodiment, the arresting device is suitable for use on transportation device, in particular on ships, and there is provision that in its position of rest, the arresting element is under the force effect of a restoring spring, and does not pivot into its arresting position until a defined acceleration of the electric switch is acting in the closing direction of the drive train.