Universal dimming actuator 1-way 300 W REG KNX light gray. Universal dimming actuator 1-way REG 300 W, suitable for dimming 230 V incandescent and halogen lamps, dimmable conventional transformers, dimmable electronic transformers and dimmable LED and energy-saving lights. Learning function for optimized operation of compact fluorescent lamps and LED lights can be activated via bus, leading or trailing edge phase control depending on load type, self-learning, minimum/maximum dimming values can be set on the device, load type can be set using a button on the device, status LED integrated in the manual control button, selector switch for manual/bus operation and load setting, manual operation can be activated using a selector switch, with illuminated programming button, manual operation via button, short-circuit proof and overload proof, display via LED, overheating protection, display via LED. Application properties: Switching Relative / absolute dimming Timer function Safety off Forced control Lock function Scene function (64 scenes) Preset function Delay function Switching function Continuous / time operation Operating hours counter Function minimum / maximum dimming value setting Manual operation Status display Logic functions Device diagnostics Expert mode, select dimming value.