Han-Yellock® is flexible, offers utmost safety and reliability, unburdens highly complex technical components such as switch cabinets and requires practically no tools for assembly. This new design is an expression of functionality the Han-Yellock® offers connection technology that matches the surface to the functions. The design is as functional as the exterior is elegant. The basic ideas behind the Han-Yellock® are simple and effective. The surface and add-on parts have been designed with an eye to harsh industrial requirements. Operating controls are protected inside the housing and offer safety in and for industrial applications.