The ACDB (Alternating Current Distribution Box) is a vital component in solar power systems, acting as the critical interface between the solar inverter and the main electrical load or the utility grid. Its primary function is to consolidate, control, and protect the flow of usable alternating current (AC) electricity throughout a building or facility. This essential piece of equipment contains key safety devices, such as miniature circuit breakers (MCBs) or moulded case circuit breakers (MCCBs) for protection against overcurrents and short circuits, and surge protection devices (SPDs) to safeguard sensitive electronics from voltage spikes caused by lightning or grid disturbances. Enclosed in durable, weatherproof casing (often IP65-rated) and typically featuring metering equipment for performance monitoring, the ACDB ensures the overall safety, efficiency, and longevity of the entire solar installation while providing a safe point for maintenance and isolation.