Gewiss System 3M external box Extender stv-is-it

4 versions: 10-20-30-40 mm.

Replace the standard screws with longer screws (3.5 mm diameter)

Normally filaments are insulating but I recommend to use fireproof material (PCABS)

HERE ARE OTHER PROJECTS FOR ELECTRIC WORLD
https://www.redpah.com/product/4714 (Container for DIN bar)
https://www.redpah.com/product/4583 (Mini relay box)
https://www.redpah.com/product/4698 (Gewiss box Extender)
https://www.redpah.com/product/4681 (AC-BOX multifunction)
https://www.redpah.com/product/4533 (Sliding anchor clip)
https://www.redpah.com/product/4496 (Cover for distribution boards)
https://www.redpah.com/product/4418 (Wireless control motorized projector screen)
https://www.redpah.com/product/4272 (EU controlled timed output)
https://www.redpah.com/product/4259 (EU Mains Plug Relay 2x NC/NO)