C&K 23617 is a type of latching, illuminated key switch that offers a unique combination of aesthetics and functionality. It features a durable polyamide housing, tamper resistant design, two different backlit colors (red and amber) and momentary (NO/NC) and latching (NO/NC) contact option. The switch offers keyed entry from either side and can be mounted either in flush or surface mounted locations. It has high durability, reliability and excellent switching performance in high temperature and vibration environments, making it ideal for a wide range of industrial applications, including industry automation, access control, security, lighting control and medical applications.