Interesting. Although you can get the type of panel with diazed fuses on DIN-rails here too, it's rare. The diazed panels are designed to hold fuse only. Any RCD has to go in a separate enclosure next to it. Swedish electricians are pretty conservative and MCB's and RCD's weren't used much until ten years ago.

In non-residental panels it's common to have a frame to keep the panel from the wall, just like you describe.

PS. Panel is a better word than consumer unit. I'll stick with that from now on.