Rittal 8620090 Base/Plinth Accessories, For enclosure ventilation through the base/plinth. Specifically in applications such as power distribution where the enclosure gland plates are not used, this can be used to achieve a higher air throughput inside the enclosure. Various solutions to raise the roof and special roof plates with vent openings are also available for enclosure venting. With a 200 mm base/plinth height, one or two vented trim panels may optionally be used. Due to the complete symmetry of the VX base/plinth system, the vented trim panels can be mounted either at the front, at the back or at the side of the base/plinth corner piece., Height:  7.87 "