Universal dimming actuator (RLC, LED, CFL *) for DIN-rail (4.5 units) with 4 channels for up to 210 W at 230 VAC (160 W at 110 VAC). It allows double channel connection, up to 400 W at 230 VAC (300 W at 110 VAC) and quad channel connection to control up to 750 W at 230 VAC (600 W at 110 VAC). Auto load type detection (RLC). Configurable dimming curves for LED and CFL. It allows manual control of its outputs thanks to the push buttons on the cover. It includes 10 independent logical functions. Error detection: short circuit, voltage surge, overheating, anomalous frequency, power failure, parameterization error. *Only dimmable loads.