This DIN rail holder for Shelly Plus with Add-on offers a robust and secure solution for mounting your Shelly devices in electrical panels. Designed with reinforced lips, it holds your Shelly device better in place, while a stronger spring function ensures that the holder sits firmly and stably on the DIN rail without easily sliding. The closer fit on the rail prevents unwanted shifting and contributes to an organised and professional look. In addition, there is a larger opening for the lower I/O terminals, making connection and maintenance easier. As one of the effective din rail holders on the market, this is an ideal din rail mount for both professional electricians and DIY enthusiasts who want a reliable integration of their Shelly Plus modules into their automation systems.