What is the 400, 600, and 800 amp main breaker in the HCM I Line panel?

Issue:
Main breaker part numbers for the 400,600 and 800 amp HCM I Line panel

Product Line:
Square D panelboard.

Environment:
Product Features

Resolution:
The current vertically mounted main breaker in a HCM I Line panel for 400, 600 and 800A is as follows:
The 400A has the LAP36400MB
The 600A has the MGP36600
The 800A hs the MGP36800

Released for: Schneider Electric USA