Characteristic for R.3 is the deliberate play with contrasting designs where a circular center plate is combined with an angular frame. In the basic version, the R.3 is manufactured in plastic (black or white). The different versions feature impressive designs and material mixes. Three millimeter thick glass, aluminum or stainless steel is mounted on a 7 mm thick white or black plastic base plate. Berker R.3 is a full switch range. A variety of functional versions, 1-gang to 5-gang frames and a basic design that simplifies the installation process in dado trunking make the switch range ideal for use in commercial properties.