. Tapped transformer, in which the winding of each phase is split in its centre and each winding part is provided from this centre outwards with several taps, which are switchable in and out in sequence by means of a selector switch, to the stationary tap contacts arranged in a circle of which the taps are connected and the movable contacts of which are pivotable from tap contact to tap contact about the center of the circle, characterised thereby, that the selector switch is a load diverter switch, which is operable under load and in which the taps of both the winding parts are connected in opposite sequence to the stationary contacts and in which the movable contacts are constantly in engagement with an annular lead-out contact, wherein the annular lead-out contact is subdivided into two parts, the first part of which is associated with the tap contacts of the first winding part and the second part of which is associated with the tap contacts of the second winding part, wherein the first part of the lead-out contact is electrically connected with the last tap as seen from the centre of the second winding part, while the second part of the lead-out contact is connected with the first tap as seen from the centre - of the first winding part, and wherein the movable contacts, simultaneously with their change from the tap contact of the first tap of the first winding part to the tap contact of the last tap of the second winding part, change without interruption from the first part to the second part of the lead-out contact. |