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        Learn more by watching our THEBEN LUNA108PLUSAL | Analogue Surface-mounted light sensor | External Light Sensor video.

        THEBEN LUNA108PLUSAL | Analogue Surface-mounted light sensor | External Light Sensor

        • German Quality
        • Surface Mount
        • Analogue twilight switch
        • The external light sensor included in delivery
        • Fixed On and Off switching delay

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

        Features

        • Analogue twilight switch
        • The external light sensor included in delivery
        • Fixed On and Off switching delay to avoid faulty operation caused by lightning, car headlights etc.
        • Display of channel and switching status
        • Infinitely adjustable switching brightness

        (LUNA108PLUSAL)

        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 230 V AC
        Frequency 50 – 60 Hz
        Number of channels 1
        Stand-by consumption ~0.3 W
        Setting range brightness 2 – 2000 lx
        Switch-on delay 20 s
        Switch-off delay 80 s
        Switching output Switching of various phases, no SELV
        Width 1 modules
        Installation type DIN rail
        Type of connection Screw terminals
        Switching capacity 16 A at 250 V AC, cos φ = 1, 10 AX Fluorescent lamp load
        Incandescent/halogen lamp load 2600 W
        Halogen lamp load 2600 W
        LED lamp < 2 W 30 W
        LED lamp 2-8 W 350 W
        LED lamp > 8 W 350 W
        Sensor (included) Surface-mounted light sensor
        Housing and insulation material High-temperature resistant, self-extinguishing thermoplastic
        Ambient temperature -30°C ... 55°C
        Type of protection IP 20
        Protection class II
        Max. cable length to sensor 50 m

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

        Brand Theben
        SKU LUNA108PLUSAL
        Barcode # 4003468100974
        Package Weight 0.126kg
        Package Width 0.103m
        Package Height 0.046m
        Package Length 0.076m
        TYPE VALUE
        Type Twilight Switch
        Brand Theben
        Rated Current (A) 16(10)
        Height (mm) 65.5
        Width (mm) 35.8
        Length (mm) 85.5
        Protection IP20
        Mounting Din Rail
        Number of Modules 1
        Voltage (V) 240
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