Mount a Shelly PLUS, GEN3 relay, or even Shelly PLUS WAVE types with external antenna wire, to a DIN rail of electric cabinets easily with this adapter. Also compatible with Nous retrofit B1Z, B2Z, B3Z, B4Z, as well as, B1T, B2T, B3T relay modules.
It's a high-quality 3D print from quality PETG material. Recommended for inside use.