低壓斷路器(曾稱自動開關)是一種不僅可以接通和分斷正常負荷電流和過負荷電流，還可以接通和分斷短路電流的開關電器。低壓斷路器在電路中除起控制作用外，還具有一定的保護功能，如過負荷、短路、欠壓和漏電保護等。低壓斷路器的分類方式很多，按使用類別分，有選擇型（保護裝置參數(shù)可調）和非選擇型（保護裝置參數(shù)不可調）,按滅弧介質分，有空氣式和真空式（目前國產(chǎn)多為空氣式）。低壓斷路器容量范圍很大，小為4A，而可達5000A。 低壓斷路器廣泛應用于低壓配電系統(tǒng)各級饋出線，各種機械設備的電源控制和用電終端的控制和保護。
【【廈門鑫諾斯自動化科技有限公司】】
【業(yè)務顧問】【林麗聰】
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