The Ajax DIN Holder provides a secure and reliable mounting solution for your Ajax Relay or Ajax WallSwitch. This black, polycarbonate holder is designed to fit standard 35mm DIN rails, making it ideal for installation in junction boxes, server cabinets, or electrical panels. With its compact dimensions (52x41x18mm), the DIN Holder ensures a neat and organized installation. The holder includes a sticker set for easy circuit identification, helping you clearly label your installations and quickly identify the device or circuit controlled by the relay. The Ajax DIN Holder simplifies your wiring process, providing a professional and secure mounting solution for your Ajax smart home automation systems.