The well-known plaster levelling rings have been expanded to include triple screw domes for device mounting. These allow devices to be installed flush with the wall and standardised, even in boxes that are mounted too deep.
To compensate for boxes that are positioned too low
To maintain IP protection class
For all UP¹ boxes
With 2 screwed-in device screws
With 2 ring attachment screws
3-way screw domes for device mounting
Height
12 mm / 24 mm
3 Way Screw domes
Yes
Screw spacing
60 mm
for device boxes, one-gang junction boxes and electronics boxes Ø