Housing for self-reset over-voltage and under-voltage protector

The utility model discloses a housing for a self-reset over-voltage and under-voltage protector. The housing comprises a left side cover, a middle housing body, and a right side cover. The side wall of each of the left side cover and the right side cover is provided with via holes, and the left side cover and the right side cover are fixedly mounted in the two sides of the middle housing body respectively through the via holes. The beneficial effects of the utility model mainly reside in that the housing is firm in mounting and convenient to dismounting; and the utilization rate of the internal space is higher and the satisfaction of the requirement for realizing more complex functions is facilitated.