PURPOSE: To provide a silent sound relay able to suppress a sound generation at the time of operation without being loaded in the step position of its movable part.

CONSTITUTION: The movable part 14 of a silent sound relay is provided with a reversal spring 4 and the projected part 34 of the reversal spring 4 is pressed by a first fixed projection 5 to be reversed at the time of one directional operation of the movable part 14 while at the time of other directional operation the reversed projected surface 34' of the reversal spring 4 is pressed by a second fixed projection 6 so as to be reversed.