Abstract: In a device for checking the end positions of movable parts of a railway switch, in which at least one separate end-position checking device (5, 6) is assigned to each movable switch part (3, 4), wherein the end-position checking device (5, 6) includes a rod (8) and a checker housing (9) in which the rod (8) is inserted and in which at least one limit switch (21, 22) is arranged to detect the two end positions of the movable switch part (3, 4), the rod (8) in its portion reaching into the housing (9), or the housing (9), comprises at least two axially spaced-apart switching flanks for the actuation of the at least one limit switch (21, 22), wherein at least one of said switching flanks is arranged to be axially displaceable relative to the other of said switching flanks and fixable in the respective position.