The KAA-4R4V dimming actuator is a 4 channels device with high-quality independent latching relay. A DC 0(1)-10V signal to perform the dimming on the connected driver at each channel. The dimming curve can be adjusted to linear or logarithmic mode which is suitable for all kinds of luminaire. The product specification indicates the maximum number of LED driver per channel which is easy for building planning. KNX system integrators can easily program it through the ETS system, and it can be operated manually via a push button. The compact design with 4 SU(72mm) wide modular makes it suitable for quick and simple installation, and one green LED on each channel for indicating the switching status.