The consumer unit is designed with novel appearance and convenient operation. Open and close operation is flexible.The interiorly mounted MCBs are all in compliance with relative IEC standards, 9mm modularized electric components are applicable, as well;On request, various circuit combinations can be assembled; It owns convenient and reliable operation, having exposed handle,and all live parts to be mounted inside the wall box. The consumer unit is designed with internal terminal blocks for connection of neutral line and protective grounding wire.