Shining beacons of lighting control: LUNA 110 plus & LUNA 127 star S twilight switches

The new Theben LUNA 110 plus AL/EL twilight switches with external flush-mounted or surface-mounted light sensor as well as the LUNA 127 star S twilight switch with an integrated light sensor are replacing the previous LUNA 110 and 127 and the 128 star twilight switches. These devices for light-dependent switching of consumers are perfect for LEDs and meet the requirements of Directive RoHS 2001/65/EU as they are manufactured without the use of cadmium sulfide (CdS).

Highlights of the LUNA 127 star S twilight switches at a glance:

  • Wide setting range:
    Brightness setting from 2 to 2,000 lux
  • Versatile:
    Adjustable switch-on and switch-off delay for numerous possible uses such as for courtyard und display window lighting or for shade control.
  • Convenient setting:
    Freely adjustable brightness level that can be modified externally without opening up the device using potentiometers with a teach-in function
  • Perfect for LEDs:
    Thanks to high lamp loads of up to 600 W
  • Quick installation:
    Thanks to the flexible cable feed from behind and below, cover with locking function when opening and large terminal area
  • Simple installation:
    Wall mounting using the optional accessory items LUNAstar bezel plate or mast installation
  • Practical presettings:
    15 lux calibration in the factory setting for the LUNA 127 star, range switching 2 – 100 lux / 100 – 2000 lux, timer, test function, 15 lux factory setting


The highlights of the LUNA 110 plus AL/EL twilight switches at a glance:

  • Simple setting:
    Convenient setting option via easy-to-access potentiometers with a measurement range from 2 to 50,000 lux.
  • Versatile use:
    With the 0 – 20 min. adjustable switch-on and switch-off delay, the devices offer a wide range of uses in both private and public applications.
  • Perfect for LEDs:
    Thanks to high lamp loads of up to 600 W
  • Be on the safe side:
    The flush-mounted light sensor is impact-resistant and features protection class IP 66 (surface-mounted light sensor IP 55).

Technical data, function description and further information:

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