Rotary switches are used to open and close electrical circuits by turning a knob or lever, providing flexibility and control in a variety of applications including electronics, automation, audio equipment, and home appliances. As a common and practical electronic component, rotary switches are widely used in various industries.

This article will provide an in-depth analysis of the working principle, characteristics and multi-functional applications of Rotary Switch in different fields to help readers better understand and use this important electronic component.