Home > KNX Push Buttons, Presence Detectors and Bus Coupling>Instabus eib bus coupling unit fm 110 w. Siemens Instabus eib bus coupling unit fm 110 w. Siemens 5WG1110-2AB11 Instabus eib bus coupling unit fm 110 w. Siemens for push-buttons and detectors 130,54 € Tax incl. Reference : 5WG1110-2AB11 Quantity : You must add 1 as a minimum quantity to buy this product. Availability: Notify me when available Warning: Last items in stock! 5000000 item in stock left