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Twilight switch LUNA 110

The LUNA 110 twilight switch from Theben has an extended brightness range up to 50,000 lux and an on/off switching delay from 0 to 20 minutes to avoid faulty operation.


  • Order No. 1100200 (Flush-mounted light sensor)
  • Order No. 1100100 (Flush-mounted light sensor)
  • Analogue twilight switch
  • External light sensor included in delivery
  • Adjustable On and Off switching delay
  • to avoid faulty operation caused by lightning, car headlights etc.
  • Display of channel and switching status
  • DuoFix spring terminals
  • for 2 conductors per connection terminal
  • Extended brightness levels and adjustable delay
  • Five adjustable brightness levels for simple setting of lux value
  • Zero-Cross switching for relay-saving switching and high lamp loads
  • Permanent OFF and permanent ON function can be set on the potentiometer
  • Test function
  • for monitoring installation independent of set brightness value
  • Infinitely adjustable switching brightness

Technical data

LUNA 110 
Operating voltage220 – 240 V AC
Frequency50 – 60 Hz
Number of channels1
Stand-by consumption1,3 W
Setting range brightness2 – 50000 lx
Switch-on delay0 – 20 min
Switch-off delay0 – 20 min
Type of contactChangeover contact
Switching outputPotential-free, not for SELV
Width2 modules
Installation typeDIN rail
Type of connectionDuoFix spring terminals
Keyboards3 potentiometers
Switching capacity16 A (at 250 V AC, cos φ = 1), 16 AX (Fluorescent lamp load)
Switching capacity min.<10 mA
Incandescent lamp load3600 W
Halogen lamp load3600 W
Fluorescent lamp load (conventional) not corrected3600 VA
Fluorescent lamp load (conventional) series-corrected3600 VA
Fluorescent lamp load (conventional) lead-lag circuit3600 VA
Fluorescent lamp load (conventional) parallel-corrected1200 VA, 130 µF
Energy saving lamps34 x 7 W, 27 x 11 W, 24 x 15 W, 22 x 23 W
Fluorescent lamp load (electronic ballast)1000 VA
Test approvalVDE
Housing and insulation materialHigh-temperature resistant, self-extinguishing thermoplastic
Ambient temperature-30 °C … +55 °C
Type of protectionIP 20, sensor IP 55
Protection classII
Max. cable length to sensor100 m

Connection example



Tender textDOC word_2
Operating instructionsPDF acrobat_2

Scale drawings


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