Schmersal 22mm (IP69K, N Series) control and signaling devices include illuminated and non-illuminated pushbuttons, emergency stop / mushroom pushbuttons, selector switches, and indicator lights. Modular contact and light terminal blocks make the devices easy to install and the smooth designs make the devices easy to clean. With an IP69K rating, these devices are suitable for food processing, pharmaceutical, and medical applications, marine applications, traffic systems, commercial vehicles, and in dusty and dirty environments. When utilized in food processing machines, these devices comply with the special cleaning requirements of the industry to prevent cross-contamination, particularly when used in machines that process raw goods. Schmersal 22mm control devices start at $12.00.