CTS' 221 series rotary DIP switch has a compact size of 10 x 10 mm and is available in a 10- or 16-position version, in surface-mount or through-hole style, and with three rotor or shaft options.

The 221 series is used in servers, circuit breakers, security systems, HVAC systems, and is also ideal for industrial, communications, and video applications. The robust construction and material allow operation over a wide range which makes it suitable for most applications.