Luna 121 top3 RC AL

Luna 121 top3 RC AL

Time and light control Twilight switches


  • Twilight switch with integrated weekly timer
  • External light sensor included in delivery
  • 1 channel
  • External input
  • Time synchronisation option via connection of an external DCF or GPS antenna
  • 3 special programs (small annual program)
  • 84 memory locations
  • Programming by app possible
  • Safe transfer via optional Bluetooth Low Energy OBELISK top3
  • Maximum manipulation security, time switch programs can only be transferred from the app to the device when the Bluetooth OBELISKtop3 is plugged into the device
  • Switching brightness digitally adjustable
  • Adjustable On and Off switching delay
  • Switching brightness and switching delay can be set separately for switching On and Off
  • Onscreen display of channel and switching status as well as current lux value
  • DuoFix spring terminals
  • Zero-cross switching for relay-saving switching and high lamp loads
  • Up to 4 sensors can be attached
  • Up to 10 devices can be connected to a digital sensor
  • Interface for OBELISK top2 memory card (PC programming)
  • Extended brightness range
  • Permanent switching ON/OFF
  • Test function
  • Switching preselection
  • Display back light (can be turned off)
  • PIN coding
  • Operating hour counter

Technical data

Luna 121 top3 RC AL
Luna 121 top3 RC AL

Connection example

Luna 121 top3 RC AL

Scale drawings

Luna 121 top3 RC AL


Luna 121 top3 RC AL

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