With an arc quenching chamber having splitters, the breaker makes the arc voltage,which can limit the short circuit current, to a higher value through the near polar voltage drop. 它采用多個(gè)柵片的滅弧室，利用近極壓降將進(jìn)入到滅弧室中的電弧電壓提升到一個(gè)較高的值，從而在開(kāi)斷電路的同時(shí)還起到對短路電流的限制。
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