Is there an optional lug kit for a 400A main lug NF panelboard that accepts (2) - 500 MCM conductors?

Issue:
Is there an optional lug kit for a 400A main lug NF panelboard that accepts (2) - 500 MCM conductors?

Product Line:
NF panelboards sold and supported in the USA.

Environment:
Application

Cause:
Selection/product features

Resolution:
There is a compression lug kit,  NFALV4, that  will accept (2) 2/0 - 500 mcm per Digest 177.

Released for: Schneider Electric USA