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        Learn more by watching our THEBEN LUNA111TOP3AL | Digital Surface-mounted light sensor | External Light Sensor | Top3 video.

        THEBEN LUNA111TOP3AL | Digital Surface-mounted light sensor | External Light Sensor | Top3

        • Light level controller
        • The external light sensor included in delivery
        • 1 channel
        • External input
        • Programming by app is possible
        • Safe transfer via optional Bluetooth Low Energy OBELISK top3

        If you are controlling a motor or element, you must use a contactor to protect the twilight switch

        Features

        • Maximum manipulation security, programs can only be transferred from the app to the time switch when the Bluetooth OBELISK top3 is plugged into the device
        • Switching brightness digitally adjustable
        • Adjustable On and Off switching delay
        • Switching brightness and switching delay can be set separately for switching On and Off
        • Onscreen display of channel and switching status as well as a current lux value
        • DuoFix spring terminals
        • 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)
        • Extended brightness range
        • Permanent switching ON/OFF
        • Test function
        • Switching preselection
        • Display backlight (can be turned off)
        • PIN coding
        • Operating hour counter

        (LUNA111TOP3AL)

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.


        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.


        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        Warranty starts from Invoice Date

        Domestic Use: 1 Year
        Commercial Use: 1 Year
        Warranty Method: Return to Sparky Direct

        Operating voltage 110 – 230 V AC  
        Frequency 50 – 60 Hz  
        Number of channels 1  
        External inputs 1  
        Stand-by consumption ~0.8 W  
        Setting range brightness 1 – 99000 lx  
        Preset brightness value 15 lx  
        Switch-on delay 0 – 59 min  
        Switch-off delay 0 – 59 min  
        Type of contact Changeover contact  
        Width 2 modules  
        Installation type DIN rail  
        Type of connection DuoFix spring terminals  
        Display LCD-Display  
        Keyboards 4 touch buttons  
        Switching capacity 16 A at 250 V AC, cos φ = 1, 10 A at 250 V AC, cos φ = 0.6  
        Incandescent/halogen lamp load 2600 W  
        Halogen lamp load 2600 W  
        Fluorescent lamp load (conventional) not corrected 2600 VA  
        Fluorescent lamp load (conventional) parallel-corrected 130 µF  
        LED lamp < 2 W 50 W  
        LED lamp 2-8 W 600 W  
        LED lamp > 8 W 600 W  
        Sensor (included) Surface-mounted light sensor  
        Housing and insulation material High-temperature resistant, self-extinguishing thermoplastic  
        Ambient temperature -25°C ... 55°C  
        Type of protection IP 20  
        Protection class II, Sensor III  
        Max. cable length to sensor 100 m  

        These specifications and characteristics outline physical, mechanical, electrical details.

        Brand Theben
        SKU LUNA111TOP3AL
        Barcode # 4003468110034
        Package Weight 0.222kg
        Package Width 0.103m
        Package Height 0.083m
        Package Length 0.076m
        TYPE VALUE
        Type Twilight Switch
        Brand Theben
        Rated Current (A) 16(10)
        Height (mm) 69.2
        Width (mm) 35.8
        Length (mm) 90.1
        Protection IP20
        Mounting Din Rail
        Number of Modules 2
        Voltage (V) 240
        0.0

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