MV distribution board mother board earthing switch interlinking protection structure

The utility model relates to a medium-voltage distributing board bus-bar earthing knife interlocking protective structure for boat, which is used for the medium-voltage distributing board, and is characterized in that the protective structure includes a break room locking device, a bus-bar earthing knife locking device and an interlocking key; each incoming cabinet in the system is internally provided with a set of locking device for the breaker room, and each set of breaker room locking device is provided with an interlocking key; moreover, the bus-bar earthing knife interlocking protective structure is arranged in a feeder panel; wherein, a program lock 1 is positioned at the upper left angle, and a breaker 2 is arranged on the handcart 3 of the breaker; the program lock 1 and the breaker handcart 3 are at the working station 4, and the breaker handcart 3 is at the test station 5, and 6 is a side plate. The structure is arranged in the medium-voltage distributing system for boat, which prevents insecurity p