The MDB then feeds SMDBs which are installed midway through the power distribution system at a point where the large distribution cable terminates and several smaller sub-circuits begin. These switchboards are larger than a final distribution board circuit although they have similar construction process.
Key features of SMDB – Sub Main Distribution Boards
Street Lighting Control Cabinets
Swimming Pool & Fountain Panels
HVAC & AHU Panels
Pump Control Panels