Your search for "Shelly 1L Gen3" revealed the following:

Shelly 1L Gen3

SINGLE Hutschienenhalter für Shelly PLUS Serie - Shellyparts.de

SINGLE DIN Rail mount for Shelly PLUS Series & Gen3/4 (except Dimmer 0/1-10V PM)

Shelly 2L Gen3

Gehäuse für Shelly PLUS 1, PLUS 1PM und PLUS i4 - Shellyparts.de

Housing for Shelly PLUS, Gen3/4 series

Housing for Shelly PLUS, Gen3/4 Series + Addon

Housing for Shelly PLUS, Gen3/4 Series + Addon

Kombinierbarer Wand-/ Hutschienenhalter für Shelly PLUS Serie - Shellyparts.de

Combinable wall/ DIN rail mount for Shelly PLUS, Gen3/4 series (incl. i4)

Double DIN rail mount for 2 x Shelly PLUS, Gen3/4 series (incl. i4)

Double DIN rail mount for 2 x Shelly PLUS, Gen3/4 series (incl. i4)

Shelly Wall Switch 2

Shelly Wall Switch 2

Shelly Wall Switch 1

Shelly Wall Switch 1

SINGLE DIN rail mount for Shelly 1L / Dimmer / RGBW2

SINGLE DIN rail mount for Shelly 1L / Dimmer / RGBW2

BUNDLE: 4 x Single Hutschienenhalter nach Wahl - Shellyparts.de

BUNDLE: 4 x single DIN rail mounts of your choice