| 摘要 |
PROBLEM TO BE SOLVED: To provide a breaker device in which an electrical connection failure by the generation of an arc can be suppressed. SOLUTION: A protruded part 16 which protrudes upward from one end side at the upper end is provided integrally at each electrode member 12, and a projection 26 which projects in a nearly hemi-spherical shape is formed at the center in the width direction on the lower end inner face of each movable part 25 of a short circuit terminal member 23. A support convex part 17 which protrudes for example in a nearly hemi-spherical shape is formed integrally below the protruded part 16 of each electrode member 12. Then, it is so constructed that the protruded parts 16 of the electrode members 12, 12 first contact the sub-contact portion 27 of the short circuit terminal member 23 in an engagement process and is separated lastly from the sub-contact portion 27 of the short circuit terminal member 23 in a separating process. COPYRIGHT: (C)2004,JPO
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