High-speed circuit breaker protective cover

The utility model discloses a protective cover of a high-speed circuit breaker. The device comprises a mounting frame and a cover body, the cover body is fixed at the upper part of the mounting frame;wherein the cover body comprises a first protection part and a second protection part, the first protection part is located at one side of the second protection part, the first protection part is detachably connected with the second protection part, the side part of the first protection part is provided with a wire passing hole, and a copper bar or a cable of the high-speed circuit breaker passesthrough the wire passing hole; the periphery of the wire passing hole is surrounded by the first protection part and the second protection part; or the periphery of the wire passing hole is surrounded by the first protection part, the second protection part and the mounting frame. The technical problem that in the prior art, a high-speed circuit breaker is inconvenient to maintain is solved, andthen the maintenance effici