What is the replacement part for the trip unit base of a Easypact MVS breaker?

Replace the trip unit base, part number 47947. This part is available only to Schneider Electric Field Services and they must do the installation.
Note: Trip base unit can be replaced when white/black plastic part interlock behind the trip unit gets break or MVS breaker trips when it OPENS and red button pops out but no Ap light comes on.  Does not trip when it closes.

Released for:Schneider Electric India