Moulded case circuit breaker easy to maintain

The utility model discloses a molded case circuit breaker easy to maintain, and relates to the technical field of molded case circuit breakers, the molded case circuit breaker easy to maintain comprises a bottom case, a slide block and a housing, the housing is arranged at the front end of the bottom case, the left and right sides of the upper end of the front surface of the bottom case are provided with fixing grooves, and the middle part in each fixing groove is provided with a limiting rod; second torsion spring rods inserted into the limiting rods are fixed to the middles in the fixing grooves, and spring rods are fixed to the rear ends in the fixing grooves. The beneficial effects of the utility model lie in that the connecting rod is pressed inwards and the lower end of the inner side of the limiting rod is moved out of the slot, and then the housing is opened downwards under the acting force of the torsion spring rod 1, so that a user can maintain the interior of the whole molded case circuit breaker c