If you renew MB5 with MB6 -> you have to replace also the top panel. Top panel codes are: 1VCF750153003, 1VCF750153001, 1VCF750153002, 1VCF750099003, 1VCF750099001, 1VCF750099002, 1VCF750165003, 1VCF750165001, 1VCF750165002, 1VCF750099004, 1VCF750099005, 1VCF750099006, 1VCF750153004, 1VCF750153005, 1VCF750153006
Check the correct software from the rating plate on the side of the relay. If you have DNV version, please order both this module and DNV-coating with code 1MRS090010 / DNV VERSION.