Gira KNX operating devices/ Flush-mounted bus coupler button HOME GIRA BUILDING TECHNOLOGY SWITCH RANGES DOOR COMMUNICATION GIRA CATALOUGE HOME GIRA BUILDING TECHNOLOGY SWITCH RANGES DOOR COMMUNICATION GIRA CATALOUGE KNX system eNet system Door communication system Gira call systems and emergency sets Standard 55 E2 E22 Event S-Color Flush-mounted CLASSIX Surface-mounted Stainless Steel E3 F100 Esprit TX_44 Water-protected, surface-mounted DOOR COMMUNICATION Switch ranges Technology and functions Flush-mounted bus coupler button Insert for KNX bus coupler button, 1-gang with single-point operation and status LED Insert for KNX bus coupler button, 1-gang with 2-point operation and status LED Insert for KNX bus coupler button, 2-gang with single-point operation Insert for KNX bus coupler button, 2-gang with 2-point operation