The Hörmann CTV 3-1 code switch is a robust and reliable input unit that has been specially developed for controlling garage doors and other door operators. With a vandalism-protected metal keypad, this product not only offers security but also user-friendly operation. The code switch is equipped with a 5 metre long connecting cable between the input unit and the evaluation unit, which allows for flexible installation. The three separate relay outputs allow the control of up to two drives as well as additional functions such as courtyard lighting or a second opening height. The IP65 protection rating of the input unit ensures high resistance to environmental influences, while the IP20 rating of the evaluation unit makes it suitable for indoor use. The code switch is compatible with a wide range of Hörmann drives and offers an operating voltage of either 100-240V AC or 10-24V AC/DC, making it a flexible solution for various applications.