Gira KNX operating devices/ Pushbutton sensor 3 Plus System 55 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 Pushbutton sensor 3 Plus System 55 KNX pushbutton sensor 3 Plus 2-gang System 55, Gira E22 KNX pushbutton sensor 3 Plus 5-gang (2+3) System 55, Gira E22