The Legrand AlphaLux³ D21 dusk switch is a versatile electronic accessory designed for the automatic control of lighting systems. With an operating voltage of 230 V and a frequency of 50-60 Hz, this device provides a reliable solution for light management in various environments. The dusk switch is equipped with a digital weekly timer that allows for precise programming. The adjustable range of 1 to 100,000 Lux ensures that the device can be adapted to different lighting conditions. Programming can be done directly on the device or via a PC using the AlphaSoft software, ensuring user-friendly operation. With a variety of switching programs and functions, including on and off delays as well as a holiday program, the AlphaLux³ D21 is ideal for automating lighting systems in residential and commercial spaces.

• Adjustable range of 1 to 100,000 Lux for flexible light control
• 56 programmable switching programs for individual customization
• Automatic summer/winter time changeover for timely use
• PIN code lock to ensure device security
• Operating hour counter to monitor usage.