| 摘要 |
PROBLEM TO BE SOLVED: To provide a small battery breaker which has a bimetal that rapidly operates and has high reactivity. SOLUTION: This battery breaker comprises a fixed contact 16, a movable contact 11, a movable piece 12, the bimetal 20, a case 30, and a lid 35 of the case. The fixed contact 16 is provided on one end side 32 in the case 30. The movable piece 12 joined with the movable contact 11 extends from the other end side 38 in the case 30 to the fixed contact 16. Projecting parts 13 and 14 are formed on the movable piece 12. The bimetal 20 inverses at a temperature higher than a predetermined value, presses up the movable piece 12, and separates the movable contact 11 from the fixed contact 16 to break current.
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