The MDB is a panel which consists of fuses, circuit breakers and protection units, which distribute electrical power to several individual circuits or consuming points, that shall be fed from transformer or an upstream panel. The MDB usually have a single or multiple incoming power sources with specified outgoing sections and comprises of free standing enclosure, a bus bar system, MCCB, MCB, RLCB or ELCB devices, current transformers to record metering and protect equipment’s from any type of faults.
The SMDBs are downstream panel used widely from that huge distribution cable terminates and several smaller sub-circuits shall be connected through DB boxes. The Sub-Main Distribution Boards feeds the Final Distribution Board, which then feeds electrical energy to the end user.
Adopted to Local Electricity Board regulations and regions of same boards for the industrial/commercial/domestic, to world standard with effective have to installation the panel. Available varies in row type distribution, pan assembly (single or multi split arrangement) in flush or surface versions.