Siemens Binary input KNX UP 4f 5WG1220-2DB31

4 inputs/outputs, each adjustable for potential-free contacts or for controlling LEDs (max. 2 mA). Integrated bus coupler, bus connection via bus terminal. Fixed eight-wire cable set, 280 mm long, extendable up to a maximum of 10 m. Suitable for installation in flush-mounted device boxes with a diameter of 60 mm and a depth of 40 mm.