The AlphaRex³ D21 digital weekly timer from Legrand is a highly advanced solution for the automated control of electrical devices. It offers a variety of features that enable flexible programming and easy handling. With 56 programmable switching programs, users can create individual schedules for their devices to save energy and enhance comfort. The timer is designed to operate at a voltage of 24 V and is suitable for both alternating current and direct current. Programming can be done directly on the device or via a PC using the AlphaSoft software, allowing for user-friendly customization of settings. The AlphaRex³ D21 is also equipped with a backlight for improved readability and offers an accuracy of +/- 0.1 seconds per day. Its compact design allows for easy mounting on a DIN rail, making it a practical choice for various applications.

• 56 programmable switching programs for flexible scheduling
• Operating voltage of 24 V AC/DC
• Direct programming on the device or via PC with AlphaSoft
• Automatic summer/winter time adjustment
• PIN code lock for added security.