The housing features injected grooves for card insertion both vertically and horizontally, mounting lugs, and screw points for mounting rails in the clamping area. It includes a suspension for wall mounting (with the option for the clamping area to be oriented either downwards or upwards) outside of the sealing space. There are predetermined breaking points for PG cable entries in the clamping area. It is sealable and has a hinged clear glass lid.