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clearfix"><h1>伊頓穆勒塑殼斷路器NZMS2-4-A250 浩蘊自動化杭州浩蘊自動化科技供應(yīng)</h1><div id="mgsye4w" class="proBig"><div id="w0esgia" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293779297/6590583.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uemikia" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293779297/6590583.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gomiggs" 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>伊頓穆勒塑殼斷路器NZMS2-4-A250,塑殼斷路器</p><p><span>***更新：</span>2021-01-16 02:08:04</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="uq0gyeg" 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(dāng)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="6ggiq6k" class="page-proshow02"><p class="title">詳細說明</p><div id="w2scugi" 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（十一） </p> <p> 斷路器在分?jǐn)啻蟮亩搪冯娏鲿r，其動、靜觸頭分開時產(chǎn)生電弧，有一部分電弧或電離氣體從斷路器電源端噴弧口噴出，伊頓穆勒塑殼斷路器NZMS2-4-A250，電弧本身就是一種巨大的電流，很容易導(dǎo)致裸露的導(dǎo)電體之間和裸露帶電體與"地"(成套設(shè)備的金屬外殼是接地的)的相間短路和接地短路事故，伊頓穆勒塑殼斷路器NZMS2-4-A250。為確保安全，用戶應(yīng)根據(jù)制造廠的產(chǎn)品樣本或使用說明書提供的數(shù)據(jù)留一定距離。如配電箱、柜的高度距離不夠，伊頓穆勒塑殼斷路器NZMS2-4-A250，可選用飛弧距離小或零飛弧的產(chǎn)品，以保證用電安全。 </p> <p> <br /> </p> <p> <br /> 什么是A類斷路器？什么是B類？伊頓穆勒塑殼斷路器NZMS2-4-A250</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊頓穆勒塑殼斷路器NZMS2-4-A250,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293779297/6590583.jpg"></div><p> <br /> </p> <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（二） </p> <p> 報警觸頭：用于斷路器事故的報警觸頭，且此觸頭只有當(dāng)斷路器脫扣分?jǐn)嗪蟛艅幼?，主要用于斷路器的負載出現(xiàn)過載短路或欠電壓等故障時而自由脫扣，報警觸頭從原來的常開位置轉(zhuǎn)換成閉合位置，接通輔助線路中的指示燈或電鈴、蜂鳴器等，顯示或提醒斷路器的故障脫扣狀態(tài)。由于斷路器發(fā)生因負載故障而自由脫扣的機率不太多，因而報警觸頭的壽命是斷路器壽命的1/10。報警觸頭的工作電流一般不會超過1A。 </p> <p> <br /> </p> <p> <br /> ETAON LZM塑殼斷路器LZMN1-4-A125斷路器中插入式接線方式的介紹。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊頓穆勒塑殼斷路器NZMS2-4-A250,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477295000000/1123941.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼斷路器</strong>:適用工作環(huán)境 </p> <p> a.海拔高度2000m及以下; </p> <p> b.周圍介質(zhì)溫度不高于+40℃(對船用產(chǎn)品為+45℃)和不低于-5℃; </p> <p> c.能耐受潮濕空氣的影響; </p> <p> d.能耐受鹽霧、油霧的影響; </p> <p> e.比較大傾斜為±25.5°; </p> <p> f.在受到船舶正常振動時能可靠工作; </p> <p> g.在受到地震情況下(4g)能可靠工作; </p> <p> h.在無危險的介質(zhì)中，具介質(zhì)無足以腐蝕金屬的破壞絕緣的氣體與導(dǎo)電塵埃的地方; </p> <p> i.在沒有雨雪侵襲的地方。 </p> <p> 斷路器的分類 </p> <p> 按產(chǎn)品極數(shù)分為二極(100A、225A)、三極與四極。 </p> <p> 四極產(chǎn)品中中性極(N極)的型式分四種： </p> <p> A型：N極不安裝過電流脫扣器，且N極始終相通，不與其它三極一起合分; </p> <p> B型：N極不安裝過電流脫扣器，且N極與其它三級一起合分;(N極無合后分); </p> <p> C型：N極安裝過電流脫扣器，且N級與其它三極一起合分;(N極先合后分); </p> <p> D型：N極安裝過電流脫扣器，且N極始終相通，不與其它三極一起合分; </p> <p> <br /> </p> <p> <br /> </p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼式斷路器</strong>如何選型（八） </p> <p> 附件作為斷路器功能的派生和補充，為斷路器增加了控制手段和擴大保護功能，是斷路器不可分割的一個重要部分，主要包括輔助觸頭、報警觸頭、分勵脫扣器、欠電壓脫扣器、電動操作機構(gòu)、外部轉(zhuǎn)動操作手柄等附件。 </p> <p> 1)輔助觸頭主要用于斷路器分、合狀態(tài)顯示但無法顯示是否故障脫扣，接在斷路器的控制電路中，塑殼斷路器殼架等級額定電流100為單斷點轉(zhuǎn)換觸頭，225及以上為橋式觸頭結(jié)構(gòu)，約定發(fā)熱電流3A；殼架等級額定電流400及以上可裝兩常開、兩常閉，約定發(fā)熱電流為6A。 </p> <p> 2)報警觸頭主要用于斷路器的負載出現(xiàn)過載、短路或欠電壓等故障時而自由脫扣。報警觸頭的工作電流是：AC380V、0.3A、DC220V、0.15A，一般不會超過1A，而發(fā)熱電流可以是1～2.5A范圍。 </p> <p> <br /> </p> <p> <br /> 斷路器中抽屜式接線方式的介紹。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊頓穆勒塑殼斷路器NZMS2-4-A250,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293886718/694847.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼斷路器</strong>各種分?jǐn)嗄芰﹃P(guān)系（四） </p> <p> 額定運行短路分?jǐn)嗄芰?Ics)，是指在一定的試驗參數(shù)(電壓、短路電流和功率因數(shù))條件下，經(jīng)一定的試驗程序，能夠接通、分?jǐn)嗟亩搪冯娏?，?jīng)此通斷后，還要繼續(xù)承載其額定電流的分?jǐn)嗄芰?，它的試驗程序為O—t（線上）CO—t(線上)CO。 </p> <p> 短時耐受電流(Icw),是指在一定的電壓、短路電流、功率因數(shù)下，忍受0.05、0.1、0.25、0.5或1s而斷路器不允許脫扣的能力，Icw是在短延時脫扣時，對斷路器的電動穩(wěn)定性和熱穩(wěn)定性的考核指標(biāo)，它是針對B類斷路器的，通常Icw的最小值是：當(dāng)In≤2500A時，它為12In或5kA，而In＞2500A時，它為30kA(DW45_2000的Icw為400V、50kA，DW45_3200的Icw為400V、65kA)。 </p> <p> <br /> </p> <p> <br /> 空氣斷路器的工作條件是怎樣的？ETAON LZM塑殼斷路器LZMN1-4-A125</p><p style="text-indent:25px">塑殼斷路器分勵線圈的安裝與拆卸。伊頓穆勒塑殼斷路器NZMS2-4-A250</p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼斷路器</strong>的工作原理 </p> <p> 低壓斷路器的主觸點是靠手動操作或電動合閘的。主觸點閉合后，自由脫扣機構(gòu)將主觸點鎖在合閘位置上。過電流脫扣器的線圈和熱脫扣器的熱元件與主電路串聯(lián)，欠電壓脫扣器的線圈和電源并聯(lián)。 </p> <p> 當(dāng)電路發(fā)生短路或嚴(yán)重過載時，過電流脫扣器的銜鐵吸合，使自由脫扣機構(gòu)動作，主觸點斷開主電路。 </p> <p> 當(dāng)電路過載時，熱脫扣器的熱元件發(fā)熱使雙金屬片上彎曲，推動自由脫扣機構(gòu)動作，主觸點斷開主電路。 </p> <p> 當(dāng)電路欠電壓時，欠電壓脫扣器的銜鐵釋放，也使自由脫扣機構(gòu)動作，主觸點斷開主電路。 </p> <p> 當(dāng)按下分勵脫扣按鈕時，分勵脫扣器銜鐵吸合，使自由脫扣機構(gòu)動作，主觸點斷開主電路。 </p> <p> <br /> </p> <p> <br /> 伊頓穆勒塑殼斷路器NZMS2-4-A250</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2863888.html</p></div></div></div></div></div><div id="0a4yimm" class="page-right twoColRt"><div id="wokyeei" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="me4k4e6" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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