PCB Rotary Switches
Rotary switches consists of a rotor that has a contact arm which projects from its surface like a cam. It has an array of terminals, arranged in a circle around the rotor, each of which serves as a contact for the arm through which any one of the available electrical circuits can be connected to the rotor.
Rotary switches are used in many kinds of home appliances products, Industrial electronic equipment as multiple function selection devices
