A key switch is a mechanism that allows you to turn something on or off by using a key. Key switches are usually used as part of a larger system, such as a security system or an electric lock. However, today, key switches are available in a variety of styles and sizes to suit almost any application.
Although keyless technology is gaining in popularity, key switches are beneficial as the equipment, machinery, or circuitry controlled by them can only be accessed by designated key holders. Other switch types like rocker or toggle switches can be activated by anyone, whereas key switches introduce another layer of security and enable access to be restricted.
Key switches are compact, versatile, and ruggedly built. They are used in many industries including manufacturing, food processing and packaging, transportation, healthcare, and security.