In this eibabo catalog you will find many dimming actuators from different manufacturers, for example from the top brands ABB, Berker, Busch-Jaeger, Eaton, EVN, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens and Theben for various automation systems or conventional applications. KNX dimming actuators are very complex devices. The technical requirements are very extensive. Before buying a KNX dimming actuator, the load types of the devices and their performance should be checked carefully. There are basically 3 types of KNX dimming actuators. There are dimming actuators with the control type forward phase dimming, reverse phase dimming or universal dimming actuators, which recognize the connected load type and automatically activate the correct control mode. KNX dimming actuators are available for installation in an electrical distribution. Then, you have the addition 'REG' for top hat rail-mounted installation or a flush version 'UP' for installation in an installation box or branch box or a built - in version 'EB' for integration in ducts or similar devices. 230V halogen lamps or incandescent lamps, for example, can be operated with both types of control. 12V low-voltage luminaires (NV) with a conventional iron-core transformer require forward phase dimming, although hardly any of these transformers are used anymore. 12V low-voltage lights (LV) with an electronic transformer require reverse phase dimming. Fluorescent lamps and energy saving lamps can also be dimmed if the lamp is suitable and a dimmable electronic ballast (ECG) exists for 1-10V or DALI standard. KNX dimming actuators for EVGs with 1-10 interface, can be found under Smart Home> Light Control Unit. Another standard for ECGs is DALI (Digital Addressable Lighting Interface). The advantage compared to the 1-10V type is that addressing is possible and wiring by groups is dispensed with. Further advantages are direct response, status messages, scene memory as well as various dimming options with the DALI ECG. In principle, the illuminant used should first be tested to determine whether it is dimmable. This information can be found in the product description or on the packaging. Already planned lamps, which are equipped with illuminants, must be tested for dimmability and control mode with the operating device used. Furthermore, it must be clear which light groups should be interconnected and dimmed, and how high the total output (W / VA) of the group is, in order to find the suitable KNX dimming actuator with regard to the necessary maximum power, the minimum load and the number of channels as well as the control mode. Eibabo recommends an accurate analysis of the application before purchase. Lamps and illuminants must be technically analyzed and compared with the technical data of the dimming actuator. In addition, there are countless parameters of KNX dimming actuators that vary from manufacturer to manufacturer. The standard dimming requirements are fulfilled by all dimming actuators. In addition, many manufacturers offer additional interesting parameters. These parameters may be important for your project. The label KNX Universal Dimming Actuator does not automatically mean that these dimming actuators are also suitable for dimming your LEDs. There are still significant deficits in the LED area and hardly any international standards. Some brand manufacturers of lamps are now cooperating and standardizing components.