Her is my take: Interfacing Front-door chime using Fibaro The Button
The relay didn’t last long though with the 8VAC input. This one does the trick:
https://www.elfadistrelec.no/en/contactor-2no-12v-25a-25kva-finder-22-32-012-4340/p/13670323?track=true&no-cache=true&marketingPopup=false
