Schneider Electric KNX. 8-channel KNX time switch with annual and astro program. Time switch with connection option for DCF and GPS antenna. For radio time synchronization via DCF or GPS, the device must be completed with the appropriate antenna. Date and time can be output on the bus. Programming is done either manually on the device or using the software on the PC. After programming on the PC, all switching times are exported to a memory chip available as an accessory and transferred from there to one or more time switches. Clock functions - extensive annual clock functions, 8 channels, 800 memory locations, 8-year power reserve (lithium battery) With integrated bus coupler. For mounting on TH35 top hat rails in accordance with EN 60715. The bus connection is made via a bus connection terminal.