Patent ID: 8653917

Claim:
A contact device, comprising: a pair of fixed contactors fixed to one side of an insulation container with a predetermined space therebetween, each having a columnar shape portion including an annular peripheral wall and a concave part formed inside the annular peripheral wall, the concave part being formed on a center of the columnar shape portion and extending from one end of the columnar shape portion toward the other end of the columnar shape portion, at least the one end of the columnar shape portion being disposed inside the insulation container; a pair of arc extinguishing permanent magnets, each being arranged in the concave part of the fixed contactor; and a movable contactor contacting with and separating from the pair of fixed contactors, wherein each of the fixed contactors includes one permanent magnet, which is entirely embedded in one concave portion such that the permanent magnet directly faces the movable contact, and that a lower surface of the annular peripheral wall is flush with a lower end surface of the permanent magnet or projects outwardly from the lower end surface of the permanent magnet.