Shelly 1 Add On -> Reed

Hi Peter, please be aware that - although technically possible - it is NOT!! recommended to run the Shelly with 230V and connect other voltages (12V, 24V, …) to the I/O Ports. In such cases, please attach an Eltako relais (or similar) in between.

https://www.shelly-support.eu/forum/index.php?thread/7550-achtung-installation-shelly1-im-mischbetrieb-netzspannung-und-selv-pelv/