The JUNG 3-way button set in alpine white is a custom-made control element for room controller modules of the F40 series. It extends KNX room controller modules by three functional buttons, thereby ensuring an intuitive user interface in smart home and building automation installations. This button set is specially designed for use with JUNG compact room controller modules (e.g. Art. 4093 KRM TS D) and can be easily clipped onto the room controller module. It is part of the A and AS/A series and offers three ergonomically designed buttons in classic alpine white (high-gloss). The control element is made of robust thermoplastic, which is designed for long-lasting and reliable use in electrical installations