ASD18B-KDN-B6現(xiàn)貨
產(chǎn)品廣泛應(yīng)用領(lǐng)域
【玻璃生產(chǎn)及加工行業(yè)】 【化工及鹽化工廠】 【冶金-煉鐵高爐系統(tǒng)】
【水利水電廠監(jiān)控系統(tǒng)】 【汽車(chē)制造行行業(yè)】 【鋼鐵工程-鍋爐行業(yè)】
【水泥制品及生產(chǎn)制造】 【電力及水利行業(yè)】 【電力-電氣化水系統(tǒng)】
【中央空調(diào)及樓宇監(jiān)控】 【供水及水處理業(yè)】 【鐵路運(yùn)輸-裝卸行業(yè)】
【電站及小水電控制業(yè)】 【造紙及印刷行業(yè)】 【電力-除灰除渣系統(tǒng)】
低壓斷路器用作交、直流線(xiàn)路的過(guò)載、短路保護(hù),被廣泛應(yīng)用于建筑照明、動(dòng)力配電線(xiàn)路、用電設(shè)備作為控制開(kāi)關(guān)和保護(hù)設(shè)備,也可用于不頻繁起動(dòng)電動(dòng)機(jī)以及操作或轉(zhuǎn)換電路
1.種類(lèi)
(1)式斷路器
(2)塑料外殼式斷路器
(3)電動(dòng)斥力式限流斷路器
(4)剩余電流保護(hù)斷路器
(5)直流快速斷路器
(6)滅磁斷路器
2.低壓斷路器的選用要點(diǎn)
表示低壓斷路器性能的主要指標(biāo)有分?jǐn)嗄芰捅Wo(hù)特性。
分?jǐn)嗄芰κ侵搁_(kāi)關(guān)在指定的使用和工作條件及在規(guī)定的電壓下接通和分?jǐn)嗟拇箅娏髦担╧A)。
保護(hù)特性主要分為過(guò)電流保護(hù)、過(guò)載保護(hù)和欠電壓保護(hù)三種。
(1)額定電壓
斷路器的額定電壓應(yīng)大于線(xiàn)路額定電壓。主要是交流380V或直流220V的供電系統(tǒng)。按線(xiàn)路額定電壓進(jìn)行選擇時(shí)應(yīng)滿(mǎn)足下列條件:
(4-10-5)
式中 ——低壓斷路器的額定電壓,V;
——線(xiàn)路的額定電壓,V。
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ASD18B-KDN-B6