XYCOM GP477R-EG11現(xiàn)貨

性能：
MCD 3000 軟起動開關(guān)是一種電子的、固態(tài)的、全波軟啟動控制器。它通過控制啟動電流，為驅(qū)動設(shè)備的傳動裝置提供平滑、可控的加速和減速控制性能。尤其對于那些不希望超過額定值起動的應(yīng)用系統(tǒng)，MCD 3000 軟起動開關(guān)可以減少拖動機(jī)械的振蕩，限制電動機(jī)的大受熱。有21種型號可供選擇，額定功率范圍7.5 - 800KW 。
特性：
1、可選特性 ：
為密封電纜終端而留出的多余空間
并列安裝（高達(dá)到 160 kW）
所有 MCD 3000 軟起動開關(guān)都可以獨(dú)立工作。本地控制面板提供起動/制動操作和本地/遠(yuǎn)距離操作的選擇。
LED 顯示器顯示電流值，或者計(jì)算的電動機(jī)熱負(fù)載占電動機(jī)熱容量的百分比。
基于內(nèi)部潛流監(jiān)控的保護(hù)，防止水泵抽干
預(yù)備的旁路電流接觸器可以在全速運(yùn)行時(shí)將負(fù)載轉(zhuǎn)移到線路上。即使在旁路電流接觸器關(guān)閉的情況下，MCD 3000 軟起動開關(guān)仍然可以為電動機(jī)提供保護(hù)和電流監(jiān)控。
安全銷保護(hù)，防止異物造成破壞
相序保護(hù)，確保水泵不會反轉(zhuǎn)
直流制動，如果需要的話，可以提供可控的快速減速。
鍵盤區(qū)類似于 VLT 變頻器的面板
2、保護(hù)特性：
可編程控制的電動機(jī)熱容量
過電壓和欠電壓保護(hù)
輸入相丟失保護(hù)和敏感性調(diào)節(jié)
過流保護(hù)
瞬時(shí)過載故障點(diǎn)
額外的啟動時(shí)間保護(hù)
瞬時(shí)保護(hù)
可調(diào)的重新啟動延遲，防止電動機(jī)短路
附件：
自動－變壓器
金屬密封板

低壓斷路器用作交、直流線路的過載、短路保護(hù)，被廣泛應(yīng)用于建筑照明、動力配電線路、用電設(shè)備作為控制開關(guān)和保護(hù)設(shè)備，也可用于不頻繁起動電動機(jī)以及操作或轉(zhuǎn)換電路
1．種類
（1）式斷路器
（2）塑料外殼式斷路器
（3）電動斥力式限流斷路器
（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_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)特性主要分為過電流保護(hù)、過載保護(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)大于線路額定電壓。主要是交流380V或直流220V的供電系統(tǒng)。按線路額定電壓進(jìn)行選擇時(shí)應(yīng)滿足下列條件：
（4-10-5）
式中 ——低壓斷路器的額定電壓，V；
——線路的額定電壓，V。

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XYCOM GP477R-EG11

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XYCOM GP477R-EG11

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XYCOM GP477R-EG11