LUNA 120 top2 EL


  • Twilight switch with integrated weekly timer
  • External light sensor included in delivery
  • Analogue adjustable switching brightness
  • Adjustable On and Off switching delay
  • to avoid switching errors caused by lightning, car headlights etc. Preset 1 minute
  • Switching brightness and switching delay can be set separately for switching On and Off
  • Fixed ON and OFF times (e.g. nighttime interruption)
  • can be programmed independent of brightness
  • Onscreen display of channel and switching status
  • DuoFix spring terminals
  • for 2 conductors per connection terminal
  • Zero-cross switching for relay-saving switching and high lamp loads
  • Interface for OBELISK top2 memory card (PC programming)
  • 2. insertable switching program
  • Copying programs
  • Storing programs
  • Holiday program with yearly function
  • Different summer/winter time rules can be selected or freely defined
  • 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
  • Operating hours counter (with reminder function)

Technical data

Operating voltage 220 – 240 V AC
Frequency 50 – 60 Hz
Number of channels 1
Number of memory locations 56
Stand-by consumption ~1,3 W
Capacity loss max. 1,7 W
Program Weekly program
Additional program Holiday program
Time basis Quartz
Setting range brightness 2 – 2000 lx
Switch-on delay 0 – 59 min
Switch-off delay 0 – 59 min
Type of contact Changeover contact
Switching output Potential-free, not for SELV
Width 3 modules
Installation type DIN rail
Type of connection DuoFix spring terminals
Keyboards 4 touch buttons, 1 potentiometer
Shortest switching times 1 min
Power reserve 10 years at 20 °C
Switching capacity

16 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 min. <10 mA
Incandescent lamp load 2600 W
Halogen lamp load 2600 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 800 VA 80 µF
LED lamp < 2 W 30 W
LED lamp 2-8 W 100 W
LED lamp > 8 W 120 W
Energy saving lamps 170 W
Fluorescent lamp load (electronic ballast) 650 W
Test approval VDE
Housing and insulation material High-temperature resistant, self-extinguishing thermoplastic
Ambient temperature -30 °C … +55 °C
Type of protection IP 20, sensor IP 65
Protection class II, Sensor III
Max. cable length to sensor 100 m

Connection example

LUNA 120 top2 EL

Scale drawings

LUNA 120 top2 EL


Article number Data sheet Documents basket
Analogue surface-mounted light sensor - Sensor rotatable

Analogue surface-mounted light sensor

Analogue flush-mounted light sensor - Connecting cable 1 m

Analogue flush-mounted light sensor

Wall mounting kit 52,5 mm - Terminal box cover plate for assembly, sealable

Wall mounting kit 52,5 mm

PC set OBELISK top2 - Switching programs created on the PC by means of the convenient OBELISK top2 software can be transferred
                                 via USB interface to the OBELISK top2 memory card and from the card to the time switch and vice versa. Thus no PC or laptop
                                 is required on-site. Programming and the program printout can be done comfortably from the desk

PC set OBELISK top2

Memory card OBELISK top2 - Individual memory card

Memory card OBELISK top2

Front panel kit - The front panel installation set is suitable for Theben distributor installation devices of 17.5 to 107.5
                                 mm width

Front panel kit



Format Download
Operating instructions PDF
Tender texts DOC
Software ZIP


Article number Data sheet Documents basket
LUNA 120 top2 AL - Twilight switch with integrated weekly timer

LUNA 120 top2 AL

LUNA 120 top2 EL - Twilight switch with integrated weekly timer

LUNA 120 top2 EL

  • Flush-mounted light sensor
Article number 1200200
Data sheet
Documents basket