To lessen the number of parts and shorten a trunk, also to provided an excellent clicking feel, in a switch of a key operating type or a knob operating type mounted to a control panel, etc., and used.

A dog 7 rotated by rotatingly operate an operating part of it is provided with a switch operating plane S which pushes in and returns a pushbutton 10a of the switch body 10, and a cam member 8 which engages and holds the dog 7 in the switch-on and the switch-off positions is equipped so that the cam member 8 can be released from the engagement, then the cam member 8 is energized by a spring 9 in the direction of the engagement with the dog 7.