Universal input 24V 4x control cabinet with four independently addressable inputs for integrating conventional light buttons, switches, motion detectors, timers or other contactors into a bus-controlled lighting and room management system. Free configuration by authorized service personnel possible. Depending on the addressing of an input, all actuators in a room or a group of actuators in the room can be controlled. Input voltage 24 V AC, 50/60 Hz, mounting on 35 mm top hat rail in accordance with EN50022, dimensions 4 HP each 17.5 mm, material flame-retardant polycarbonate, halogen-free, light gray. Bus and power cables can be screwed onto the device inputs. Contactor designed for at least 230 V AC, supply cables can be screwed onto the device inputs.