LUNA 129 star-time


  • Twilight switch with integrated light sensor
  • Time function for freely-programmable night switch-off (daily program)
  • Adjustable On and Off switching delay
  • to avoid faulty operation caused by lightning, car headlights etc.
  • Easy programming philosophy
  • Preset night switch-off (23.00 OFF/5.00 ON), lux values and switch delay
  • Automatic summer/winter time correction
  • Cable feed from the back and from below
  • Cover with snap-on function when opening for the straightforward installation of the device
  • Captive screws
  • Large terminal area
  • Brightness value can be set without opening the device
  • Integrated replaceable lithium battery enables programming before installation
  • Large light exposure angle (approx. 180 degrees)
  • Switching brightness and switching delay can be set digitally for switching On and Off separately
  • Test button
  • for monitoring installation independent of set brightness value. The button can be accessed without opening the device
  • Time function can be deactivated

Technical data

Operating voltage 220 – 230 V AC
Frequency 50 – 60 Hz
Number of channels 1
Stand-by consumption ~0,6 W
Program Daily program
Setting range brightness 2 – 200 lx
Preset brightness value 15 lx
Switch-on delay 0 – 10 min
Switch-off delay 0 – 10 min
Type of contact NO contact
Switching output Not potential-free (230 V)
Installation type Wall installation or mast bracket
Type of connection Screw terminals
Keyboards 3 touch buttons, 1 test button
Shortest switching times 1 min
Power reserve 1,5 years at 20 °C
Switching capacity

16 A (at 230 V AC, cos φ = 1), 10 AX (at 230 V AC, cos φ = 0.3)

Incandescent lamp load 2300 W
Halogen lamp load 2300 W
Fluorescent lamp load (conventional) not corrected 2300 VA
Fluorescent lamp load (conventional) series-corrected 2300 VA
Fluorescent lamp load (conventional) lead-lag circuit 2300 VA
Fluorescent lamp load (conventional) parallel-corrected 400 VA 42 µF
Energy saving lamps 90 W
Fluorescent lamp load (electronic ballast) 350 W
LED lamp < 2 W 20 W
LED lamp 2-8 W 55 W
LED lamp > 8 W 70 W
Test approval VDE
Housing and insulation material High-temperature resistant, self-extinguishing thermoplastic
Ambient temperature -35 °C … +55 °C
Type of protection IP 55
Protection class II

Connection example

LUNA 129 star-time

Scale drawings

LUNA 129 star-time


Article number Data sheet Documents basket
Adapter plate LUNA star - The adapter plate simplifies the replacement of faulty twilight switches from Eberle, ESYLUX, Legrand,
                                 Grässlin, Hager, Merten, Senmatic, Theben etc. As the plate has standard fixing holes, no further holes need to be drilled
                                 in the facade, 2 installation screws included.

Adapter plate LUNA star



Format Download
Operating instructions PDF
Tender texts DOC
LUNA 129 star-time - Twilight switch with integrated light sensor

LUNA 129 star-time

Article number 1290700
Data sheet
Documents basket