Universal input 24V 4x control cabinet with four independently addressable inputs for integrating conventional light switches, motion detectors, timers, or other contact sensors into a bus-controlled lighting and room management system. Free configuration possible by authorized service personnel. Depending on the addressing of an input, all actuators of 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 DIN rail according to EN50022, dimensions 4 TE of 17.5 mm each, material flame-retardant polycarbonate, halogen-free, light gray. Bus and power lines can be screwed to the inputs of the device. Contact sensors designed for at least 230 V AC, supply lines can be screwed to the inputs of the device.