C&K Switches

C&K, now part of Littelfuse Inc., has been a leader in electromechanical switches since its founding in 1928. Renowned for its exceptional custom design capabilities, C&K is trusted by design engineers worldwide who require reliable, high-performance switches. With over 55,000 standard products and 8.5 million switch combinations, C&K serves industries such as automotive, industrial, IoT, wearables, medical, telecom, aerospace, consumer electronics, and point-of-sale (POS) terminals.

From tactile and pushbutton switches to toggle, rocker, rotary, and custom assemblies, C&K’s extensive product range supports a wide array of applications. Headquartered in Waltham, Massachusetts, with global design centers in Dole (France) and Huizhou (China), C&K continues to be a trusted name in the electromechanical switch industry, combining nearly a century of innovation with cutting-edge engineering to meet the evolving needs of its customers.