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    RTO熔斷器

    更新:2013/9/12 14:18:51      點擊:
    • 產(chǎn)品品牌   
    • 產(chǎn)品型號   RTO
    • 產(chǎn)品描述

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    產(chǎn)品介紹

    一、適用范圍

    RT0系列有填料管式熔斷器(以下簡稱溶斷器).額定電壓交流400V. 50Hz。額定電流至600A.廣泛使用于具有高短路電流的電力網(wǎng)絡(luò)或配電裝置中.作電攬、導(dǎo)線及電氣設(shè)備(如電動機及變壓器)的短路保護及電纜.導(dǎo)線的過載保護。

    二、型號含義

    三、正常工作條件及安裝條件

    正常工作條件

    1.周圍空氣溫度不超過40.24h測得的平均值不超過35—年內(nèi)測得的平均值低于該值。周圍空氣度最低值為-5;

    2.安裝地點的海拔不超過2000m:

    3.空氣是干凈的.它的相對濕度在最高溫度為40時不超過50%:

    在較低溫度下可以有較高的相對濕度.例如.20.相對濕度可達90%:

    在這些條件下.由于溫度變化.中等的凝可能偶然發(fā)生.

    注:若熔斷器在不同于1. 23規(guī)定條件下使用.尤其是在無防護的戶外條件使用.應(yīng)與制造廠協(xié)商: 若熔斷器用在有鹽霧或不正常的工業(yè)沉積物的場所,亦應(yīng)與制造廠協(xié)商。

    4、系統(tǒng)電壓的最大值不超過溶斷器額定電壓的110%。

    注:應(yīng)注意到若熔斷體在大大低于額定電壓下熔斷.熔斷指示器可能不動作。

    正常安裝條件

    1.安裝類別

        熔斷器的安裝類別為III級:

    2.污染等級

       熔斷器抗污染程度不低于3級:

    3.安裝方位

       熔斷器可以垂直.水平或傾斜安裝在無顯著搖動和沖擊振動的工作場合:

       注:若熔斷器在不同于正常安裝規(guī)定條件下使用,應(yīng)與制造廠協(xié)商。

    4.分?jǐn)喾秶c使用類別

       本熔斷體為一般用途全范圍分?jǐn)嗄芰Φ娜蹟囿w.gG熔斷體。

    四、結(jié)構(gòu)特征

       熔斷器由熔斷體及底座組成.并配有熔斷器操作手柄。

       熔斷體由熔管、熔體、填料、指示器等組成。由純銅片制成的變截面溶體封裝于高強度管內(nèi).熔管內(nèi)充滿高純度石英砂做為滅弧介質(zhì)。溶體二端采用點焊與聯(lián)接板牢固連接。熔斷體帶有熔斷指示器.能在熔斷體熔斷時立即彈出紅色醒目的指示件顯示熔斷。

       底座由插座及底板組成.呈敞開式結(jié)構(gòu).具有散熱條件好.機械強度高.接觸可靠.操作方便等特點。 

       操作手柄采用熱固性塑料.絕緣性能好.結(jié)構(gòu)簡單.操作自如。

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