- NKK Switches designs, produces and sells the industry’s most extensive selection of electromechanical switches setting the standard for quality, stability, and reliability in switch solutions. NKK provides a full suite of customizable solutions that include design, programming, and value added support by combining flexibility, expertise, and a commitment to our partners’ success. NKK’s switches turn on millions of products around the world every day by offering more than 3.5 million different toggle, rocker, pushbutton, slide, rotary and keylock switches to illuminated, process sealed, miniature, specialty, surface mount and programmable switch devices. NKK has thousands of configurable 3D CAD switch models available for immediate download at no charge. With a single keystroke, engineers can download part number-specific models directly from Digi-Key’s web product pages. Kick-start your designs today!