Is the integrated distribution box a secondary distribution box

Yes, an integrated distribution box typically functions as a secondary distribution box, distributing power from the main panel to specific buildings or zones.Definition and RoleAn integrated distribution box is designed to manage and distribute electrical power within a localized area, often combining multiple protective devices such as circuit breakers, isolating switches, and residual current devices (RCDs) in a single enclosure. It is usually installed downstream of the main distribution panel and serves to supply power to specific buildings, floors, or equipment zones, which aligns with the function of a secondary distribution box .Secondary Distribution Box CharacteristicsVoltage Level: Operates at low voltage, typically 0.4 kV, supplied from the main distribution cabinet .Purpose: Distributes power to smaller zones or buildings while providing protection and control for connected circuits .Components: Often includes large three-phase circuit breakers and may handle three-phase loads such as motors or machinery .Position in System: Installed below the primary distribution cabinet and above tertiary or unit-level distribution boxes, forming a hierarchical distribution system .Comparison with Primary and Tertiary DistributionPrimary Distribution Box: Receives power directly from the transformer and serves as the main hub; generally does not supply power directly to end-use equipment .Secondary Distribution Box (Integrated Distribution Box): Receives power from the primary panel and distributes it to buildings or floors, providing protection and control .Tertiary Distribution Box: Final distribution point for end-use devices, delivering single-phase 220V power to appliances and outlets .ApplicationsIntegrated distribution boxes are commonly used in residential complexes, commercial buildings, and construction sites where centralized control and protection for multiple circuits are required. They ensure safe, reliable, and organized power distribution while allowing for modular or flexible setups if needed . In summary, an integrated distribution box is effectively a secondary distribution box, positioned between the main distribution panel and the final end-use circuits, providing both distribution and protection functions.