When fitting a 400 amp outgoer you will need additional support for the breaker on the 630 & 800Amp boards provided by the 'Shrouding kit', part number below:
MG6C6 & MG8C6 will need MGPCH6
MG6C12 & MG8C12 will need MGPCH12
MG6C18 & MG8C18 will need MGPCH18
MG6C6 & MG8C6 will need MGPCH6
MG6C12 & MG8C12 will need MGPCH12
MG6C18 & MG8C18 will need MGPCH18