低壓斷路器(曾稱自動開關(guān))是一種不僅可以接通和分?jǐn)嗾Ｘ?fù)荷電流和過負(fù)荷電流，還可以接通和分?jǐn)喽搪冯娏鞯拈_關(guān)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(hù)功能，如過負(fù)荷、短路、欠壓和漏電保護(hù)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(hù)裝置參數(shù)可調(diào)）和非選擇型（保護(hù)裝置參數(shù)不可調(diào)）,按滅弧介質(zhì)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(dá)5000A。 低壓斷路器廣泛應(yīng)用于低壓配電系統(tǒng)各級饋出線，各種機(jī)械設(shè)備的電源控制和用電終端的控制和保護(hù)。
【【廈門鑫諾斯自動化科技有限公司】】
【業(yè)務(wù)顧問】【林麗聰】
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