The casing is composed anodized aluminium for the unit

edge-driven

and to discourage nuisance marine growth

52 mm installation diameter

Idea Outlet, German, 2P+E, 16A/250V 24v The casing is composed anodizedIdea Outlet, German, 2P+E, 16A 250V, 2 Modules, SICURY, Grey What does SICURY mean? For additional safety, the SICURY products have a patented mechanism that closes automatically when the plug is pulled out and prevents accidental contact with live components. Interesting tidbit the patent was filed by Vimar in 1968, but after it was developed they soon decided to allow it to be used free of charge by all competitors as safety was their primary