Floor standing drives ATV630, (ATV630C11N4F) are manufactured in Spacial SF enclosure. Enclosure dimensions of ATV630C11N4F are 400mm (width) and 600mm (depth)
It is possible to add plinth and its references number can be selected from Spacial catalog.
Full catalog downloadable from web (link below)
http://download.schneider-electric.com/files?p_Reference=9993CT0901&p_EnDocType=Catalog&p_File_Id=8636002994&p_File_Name=9993CT0901R08_16 Body (Web).pdf
Anyway, for plinth 100mm high and 400x600mm (width x height) you need 1x SYSPF4100 + 1x NSYSPS6100.
Composition of the references can be found on schneider web, see links below
https://www.se.com/us/en/product/NSYSPF4100/spacial-sf-front-plinth---100x400-mm
https://www.se.com/us/en/product/NSYSPS6100/spacial-sf-sm-side-panel-plinth---100x600-mm
