For Busch-Installationsbus® KNX 6120/12-101, 6120/13 and Busch-Powernet® KNX 6920/12, 6920/13 and 6920/40. With labeling field. Support of KNX functions through innovative color concept (yellow=lighting, blue=blinds, orange=RTR, magenta=scene and white=neutral/no function assignment) or standard lighting red/green. Button function: switching / dimming / blinds / sending value / light scenes etc. Transparent labeling sheet with standard symbols included in delivery. Incl. 10 logic channels (light scene actuator, sequence actuator, logic gate etc.).