![CDATA[The KNX annual time switch offers comprehensive functions for building system technology. With 4 channels, daily, weekly, annual and permanent programs, as well as 300 memory locations, it enables flexible switching. It also offers security functions such as PIN coding and random switching. Technical data: Connection voltage via KNX bus, switching functions ON, OFF, pulse, cycle, quartz accuracy ±0.25 sec./day, power reserve approx. 10 years, display via LC display, ambient temperature -30 to +55 degrees Celsius, protection class IP20.]]>