The distribution box serves as the load centre and distributor of electrical power. A distribution box ensures that electrical supply is distributed in the building, also known as a distribution board, panel board, breaker panel, or electric panel. It is the central electrical supply system of any building or property.
In Other words, Solar ACDB is AC Distribution board and Solar DCDB is DC Distribution Boards. Solar ACDB DCDB is LT panels that distribute power from Invertor to Load. Solar AC Distribution Board is the panel used between solar Inverter and Load to provide overload and short circuit protection.