伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50 浩蘊自動化杭州浩蘊自動化科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="塑殼式斷路器如何選型（五）額定絕緣電壓是設(shè)計斷路器的電壓值，電氣間隙和爬電距離應(yīng)參照此值而定，伊頓穆勒NZM塑殼斷路器NZMS1-4-A50。有些斷路器沒有明確規(guī)定額定絕緣電壓，應(yīng)將額定工作電壓中比較大值視作額定絕緣電壓，在任何情況下，比較"><meta name="keywords" content="伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50,塑殼斷路器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477292841797/5154144.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hb7robt" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50,塑殼斷路器</p><p><span>***更新：</span>2020-12-25 15:14:29</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kjqnu2r" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州浩蘊自動化科技有限公司</a></p><p><span>聯(lián)系人：</span>謝凱浩</p><p><span>郵箱: </span>1017004522@qq.com</p><p><span>電話: </span>13817446397</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0571-85385963</p><p><span>地址: </span>經(jīng)濟技術(shù)開發(fā)區(qū)18號大街795號1幢11層1109室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="n2h7bqs" class="page-proshow02"><p class="title">詳細說明</p><div id="x7x2ahe" class="box"><p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼式斷路器</strong>如何選型（五） </p> <p> 額定絕緣電壓是設(shè)計斷路器的電壓值，電氣間隙和爬電距離應(yīng)參照此值而定，伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50。有些斷路器沒有明確規(guī)定額定絕緣電壓，應(yīng)將額定工作電壓中比較大值視作額定絕緣電壓，在任何情況下，比較大額定工作電壓不超過額定絕緣電壓，斷路器的額定絕緣電壓與工頻試驗電壓見表1。額定工作電壓是指通斷能力以及使用類別相關(guān)的電壓值，塑殼斷路器的額定工作電壓多為50Hz、380V，伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50，但也有50Hz、600V，額定工作電壓380V，伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50、50Hz的塑殼斷路器，***不允許用到660V或1140V的電源電壓上。 </p> <p> <br /> </p> <p> <br /> 塑殼斷路器的主要作用是什么？伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477292841797/5154144.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 空氣斷路器的主要附件 </p> <p> 空氣斷路器的內(nèi)部附件（一） </p> <p> 輔助觸頭：輔助觸頭是斷路器主電路分、合機構(gòu)機械上連動的觸頭，主要用于斷路器分、合狀態(tài)的顯示，接在斷路器的控制電路中通過斷路器的分合，對其相關(guān)電器實施控制或聯(lián)鎖。例如向信號燈、繼電器等輸出信號。塑殼斷路器殼架等級額定電流100A為單斷點轉(zhuǎn)換觸頭，225A及以上為橋式觸頭結(jié)構(gòu)，約定發(fā)熱電流為3A；殼架等級額定電流400A及以上可裝兩常開、兩常閉，約定發(fā)熱電流為6A。操作性能次數(shù)與斷路器的操作性能總次數(shù)相同。 </p> <p> <br /> </p> <p> <br /> 伊頓穆勒 ETAON NZM塑殼斷路器NZMS2-M40一步一步教你安裝塑殼斷路器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293886718/694847.jpg"></div><p> 塑殼斷路器內(nèi)部結(jié)構(gòu) </p> <p> 斷路器是用于合斷電源，同時具有瞬時過電流保護及延時過電流保護（有些品種還具有欠電壓保護）的開關(guān)元件。其瞬時過電流保護又被稱為短路保護；延時過電流保護又被稱為過載或過熱保護。這種開關(guān)又常被稱為“空氣開關(guān)”。 </p> <p> 較常用的斷路器為塑料殼式，現(xiàn)用的國產(chǎn)品種型號為DZ10和DZ**Z5型在較小電流的場合還有應(yīng)用。均具有瞬時過電流保護（或稱為短路保護）及延時過電流保護（或稱為過載保護），圖4-6為DZ5和DZ20型的外形圖，DZ10和DZ20型的結(jié)構(gòu)如圖4-7～圖4-9所示。一般的品種，要調(diào)節(jié)過電流保護值，須將其蓋打開方可進行。 </p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 空氣斷路器，又名空氣開關(guān)，是斷路器的一種。是一種只要電路中電流超過額定電流就會自動斷開的開關(guān)?？諝忾_關(guān)是低壓配電網(wǎng)絡(luò)和電力拖動系統(tǒng)中非常重要的一種電器，它集控制和多種保護功能于一身。除能完成接觸和分斷電路外，尚能對電路或電氣設(shè)備發(fā)生的短路、嚴重過載及欠電壓等進行保護，同時也可以用于不頻繁地啟動電動機。 </p> <p> 空氣斷路器的主要作用 </p> <p> 在正常情況下，過電流脫扣器的銜鐵是釋放著的；一旦發(fā)生嚴重過載或短路故障時，與主電路串聯(lián)的線圈就將產(chǎn)生較強的電磁吸力把銜鐵往下吸引而頂開鎖鉤，使主觸點斷開。欠壓脫扣器的工作恰恰相反，在電壓正常時，電磁吸力吸住銜鐵，主觸點才得以閉合。一旦電壓嚴重下降或斷電時，銜鐵就被釋放而使主觸點斷開。當電源電壓恢復正常時，必須重新合閘后才能工作，實現(xiàn)了失壓保護。 </p> <p> <br /> </p> <p> <br /> 空氣斷路器的工作原理是怎樣的？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293583984/5178649.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼斷路器</strong>的作用 </p> <p> 1.正常倩況下接通和斷開高壓電路中的空載及負荷電流; </p> <p> 2.在系統(tǒng)發(fā)生故障時能與保護裝置和自動裝置相配合迅速切斷故障電流防止事故擴大從而保證系統(tǒng)安全運行。 </p> <p> 一般情況下塑殼斷路器本身不存在潤滑方面的問題，需要潤滑的常常是它的操動機構(gòu)。熱繼電器的作用是電動機過負荷時自動切斷電源，熱繼電器的構(gòu)造是兩片膨脹系數(shù)不同的金屬片構(gòu)成，電流過大時膨脹系數(shù)大的先膨脹，起到切斷電源的作用。熱繼電器動作后有人工復位和自動復位。熔斷器作用：當電路發(fā)生故障或異常時，伴隨著電流不斷升高，并且升高的電流有可能損壞電路中的某些重要器件或貴重器件，也有可能燒毀電路甚至造成火災(zāi)。 </p> <p> <br /> </p> <p> <br /> 低壓電器：塑殼斷路器。伊頓穆勒 NZM塑殼斷路器NZMN2-S200-E</p><p style="text-indent:25px">塑殼斷路器的原理和主要參數(shù)，您要的干貨在這里！伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50</p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼斷路器</strong>的主要參數(shù)（二） </p> <p> ⑸欠電壓脫扣器線圈的額定電壓 </p> <p> 欠電壓脫扣器線圈的額定電壓一定要等于線路額定電壓。 </p> <p> ⑹分勵脫扣器線圈的額定電壓 </p> <p> 分勵脫扣器線圈的額定電壓一定要等于控制控制電源電壓。 </p> <p> ⑺額定極限短路分斷能力Icu </p> <p> 斷路器的分斷能力指標有兩種：額定極限短路分斷能力Icu和額定運行短路分斷能力Ics。 </p> <p> 額定極限短路分斷能力Icu，是斷路器分斷能力極限參數(shù)，分斷幾次短路故障后，斷路器分斷能力將有所下降。 </p> <p> 額定運行短路分斷能力Ics，是斷路器的一種分斷指標，即分斷幾次短路故障后，還能保證其正常工作。 </p> <p> 對塑殼式斷路器而言，Ics只要大于25%Icu就算合格，市場上斷路器的Ics大多數(shù)在(50%—75%)Icu之間。 </p> <p> <br /> </p> <p> <br /> 伊頓穆勒 NZM塑殼斷路器NZMS1-4-A50</p></p><br /><p>文章來源地址: 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