NKK Switches TRANSITION-X-RO, or Non-Contact Technology Transition-X, is a line of rugged switches that feature patented NKK solid state non-contact technology for long lasting reliability and repeatability. These switches feature a glass-filled polycarbonate housing that provides superior shock and vibration proofing, as well as environmental protection from dust, dirt and moisture. The TRANSITION-X-RO switches have a long life expectancy due to their non-contact design, and are available in various miniature, sub-miniature, and low profile sizes. These switches offer multiple options for tactile feel, including click, long travel, and long life types. Along with a wide range of accessories, these switches can be optimized for countless applications in a variety of industries including military, medical and industrial.