Learn what an electrical distribution box (DB/distribution board) is, its main components (MCB/RCCB/RCBO, SPD, busbar) and common types. Includes a quick selection guide for ways, IP rating and enclosure material—send requirements for a matched recommendation/quote within 12. What is a Distribution Box? A distribution box, or DB box, is a circuit breaker enclosure. It is a vital part and central hub of any electrical system. The hub distributes electrical power from a single input source to various circuits throughout a building. Whether it's a home, office, or factory. Home / blog / Ultimate Guide to Distribution Boxes (DB Boxes): Types, Components, Applications, and How to Choose the Right One For procurement professionals, electrical contractors, and project managers, choosing the right Distribution Box (DB Box) is a critical decision that directly impacts. A distribution boxes acts as the load center and main distributor of electrical power within a building.
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