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Twilight switch LUNA 111 top2

The LUNA 111 top2 twilight switch from Theben can be operated with wall-mounted light sensors or integrated light sensors. The lux values can be set from 1 to 99,000 lux. The twilight switch is easy to program using OBELISK top2 software.


  • Order No. 1110110 (Surface-mounted light sensor)
  • Order No. 1110200 (Flush-mounted light sensor)
  • Twilight switch
  • External light sensor included in delivery
  • 1 channel
  • Switching brightness digitally adjustable
  • Adjustable On and Off switching delay
  • to avoid switching errors caused by lightninh, car headlights etc. Preset 1 minute
  • 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
  • for 2 conductors per connection terminal
  • 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)
  • 2. insertable switching program
  • Copying programs
  • Storing programs
  • External light sensor included in delivery
  • Extended brightness range
  • Permanent switching ON/OFF
  • Test function
  • (Permanent ON) to check the installation independently of set brightness value
  • Switching preselection
  • Display back light (can be turned off)
  • PIN coding
  • External input
  • for switches or buttons
  • Operating hour counter
  • with reminder function

Technical data

LUNA 111 top2 
Operating voltage230 – 240 V AC
Frequency50 – 60 Hz
Number of channels1
External inputs1
Stand-by consumption1,7 W
Setting range brightness1 – 99000 lx
Preset brightness value15 lx
Switch-on delay0 – 59 min
Switch-off delay0 – 59 min
Type of contactChangeover contact
Switching outputPotential-free, not for SELV
Width2 modules
Installation typeDIN rail
Type of connectionDuoFix spring terminals
Keyboards4 touch buttons
Switching capacity16 A (at 250 V AC, cos φ = 1), 10 A (at 250 V AC, cos φ = 0.6), 10 AX (Fluorescent lamp load)
Switching capacity mA
Incandescent lamp load2600 W
Halogen lamp load2600 W
Fluorescent lamp load (conventional) not corrected2300 VA
Fluorescent lamp load (conventional) series-corrected2300 VA
Fluorescent lamp load (conventional) lead-lag circuit2300 VA
Fluorescent lamp load (conventional) parallel-corrected800 VA, 80 µF
Energy saving lamps22 x 7 W, 18 x 11 W, 16 x 15 W, 16 x 20 W, 14 x 23 W
Fluorescent lamp load (electronic ballast)650 VA
Test approvalVDE
Housing and insulation materialHigh-temperature resistant, self-extinguishing thermoplastic
Ambient temperature-30 °C … +55 °C
Type of protectionIP 20, sensor IP 66

Connection example



Tender textDOCword_2
Operating instructionsgPDFacrobat_2

Scale drawings


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