Impact-resistant micro breaker for SPD backup protection

The utility model discloses an impact-resistant micro breaker for SPD backup protection, which relates to the technical field of micro breakers and comprises an outer cover, a micro breaker body is arranged in the outer cover, impact-resistant mechanisms are distributed on two sides of the micro breaker body in a cross symmetry manner, each impact-resistant mechanism comprises a first conduction plate and a second conduction plate, a vertically distributed first slideway is fixed at the bottom of the first conduction plate, and a second slideway is fixed at the bottom of the second conduction plate. A transversely-distributed second sliding way is fixed to the side, away from the micro breaker body, of the second conduction plate, a first sliding block and a second sliding block are slidably connected into the first sliding way and the second sliding way respectively, the first sliding block is connected with the first sliding way through a first spring, the second sliding block is connected with the second s