| 摘要 |
A system comprising a circuit interrupter configured to interrupt flow of current through a circuit during an over current condition, wherein the circuit interrupter comprises two contacts configured to remain in contact when a current flowing through the two contacts is less than a threshold value, a tripping mechanism configured to separate the two contacts when the current equals or exceeds the threshold value, and at least one of either a permanent magnet or an electrode configured to extinguish an electric arc formed between the two contacts of the circuit interrupter when the two contacts are separated, wherein the circuit interrupter does not include an arc chute.
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