ETAON 塑殼斷路器NZMH3-4-A320 服務(wù)為先杭州浩蘊(yùn)自動(dòng)化科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="空氣斷路器，又名空氣開(kāi)關(guān)，是斷路器的一種。是一種只要電路中電流超過(guò)額定電流就會(huì)自動(dòng)斷開(kāi)的開(kāi)關(guān)?？諝忾_(kāi)關(guān)是低壓配電網(wǎng)絡(luò)和電力拖動(dòng)系統(tǒng)中非常重要的一種電器，它集控制和多種保護(hù)功能于一身。除能完成接觸和分?jǐn)嚯娐吠猓心軐?duì)電路或電氣設(shè)備發(fā)生的短路、"><meta name="keywords" content="ETAON 塑殼斷路器NZMH3-4-A320,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 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href="http://www.cdcfah.com/cp/third-diyadianqifj_dydlqxp/">低壓斷路器</a>?ETAON 塑殼斷路器NZMH3-4-A320 服務(wù)為先杭州浩蘊(yùn)自動(dòng)化科技供應(yīng)</p><div id="wzzlce7" class="leftbox clearfix"><h1>ETAON 塑殼斷路器NZMH3-4-A320 服務(wù)為先杭州浩蘊(yùn)自動(dòng)化科技供應(yīng)</h1><div id="vyz7tu7" class="proBig"><div id="84pw7hj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293173828/6367049.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oqszyug" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293173828/6367049.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="foa8wgx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>ETAON 塑殼斷路器NZMH3-4-A320,塑殼斷路器</p><p><span>***更新：</span>2021-02-02 04:06:28</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dqmtpgs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">杭州浩蘊(yùn)自動(dòng)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(huà): </span>13817446397</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0571-85385963</p><p><span>地址: </span>經(jīng)濟(jì)技術(shù)開(kāi)發(fā)區(qū)18號(hào)大街795號(hào)1幢11層1109室</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="8q2ed2y" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="qiu8coa" class="box"><p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 空氣斷路器，又名空氣開(kāi)關(guān)，是斷路器的一種。是一種只要電路中電流超過(guò)額定電流就會(huì)自動(dòng)斷開(kāi)的開(kāi)關(guān)。空氣開(kāi)關(guān)是低壓配電網(wǎng)絡(luò)和電力拖動(dòng)系統(tǒng)中非常重要的一種電器，它集控制和多種保護(hù)功能于一身。除能完成接觸和分?jǐn)嚯娐吠?，尚能?duì)電路或電氣設(shè)備發(fā)生的短路、嚴(yán)重過(guò)載及欠電壓等進(jìn)行保護(hù)，同時(shí)也可以用于不頻繁地啟動(dòng)電動(dòng)機(jī)。 </p> <p> 空氣斷路器的主要作用 </p> <p> 在正常情況下，過(guò)電流脫扣器的銜鐵是釋放著的；一旦發(fā)生嚴(yán)重過(guò)載或短路故障時(shí)，與主電路串聯(lián)的線(xiàn)圈就將產(chǎn)生較強(qiáng)的電磁吸力把銜鐵往下吸引而頂開(kāi)鎖鉤，使主觸點(diǎn)斷開(kāi)。欠壓脫扣器的工作恰恰相反，在電壓正常時(shí)，電磁吸力吸住銜鐵，主觸點(diǎn)才得以閉合。一旦電壓嚴(yán)重下降或斷電時(shí)，ETAON 塑殼斷路器NZMH3-4-A320，銜鐵就被釋放而使主觸點(diǎn)斷開(kāi)，ETAON 塑殼斷路器NZMH3-4-A320，ETAON 塑殼斷路器NZMH3-4-A320。當(dāng)電源電壓恢復(fù)正常時(shí)，必須重新合閘后才能工作，實(shí)現(xiàn)了失壓保護(hù)。 </p> <p> <br /> </p> <p> <br /> 空氣斷路器的工作原理是怎樣的？ETAON 塑殼斷路器NZMH3-4-A320</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="ETAON 塑殼斷路器NZMH3-4-A320,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293173828/6367049.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(yùn)行短路分?jǐn)嗄芰?Ics)，是指在一定的試驗(yàn)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(yàn)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?yàn)程序?yàn)镺—t（線(xiàn)上）CO—t(線(xiàn)上)CO。 </p> <p> 短時(shí)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(shí)脫扣時(shí)，對(duì)斷路器的電動(dòng)穩(wěn)定性和熱穩(wěn)定性的考核指標(biāo)，它是針對(duì)B類(lèi)斷路器的，通常Icw的最小值是：當(dāng)In≤2500A時(shí)，它為12In或5kA，而In＞2500A時(shí)，它為30kA(DW45_2000的Icw為400V、50kA，DW45_3200的Icw為400V、65kA)。 </p> <p> <br /> </p> <p> <br /> ETAON 塑殼斷路器LZMC1-A50解析塑殼斷路器與微型斷路器的區(qū)別。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="ETAON 塑殼斷路器NZMH3-4-A320,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293125000/8209869.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <strong>塑殼式斷路器</strong>如何選型（九） </p> <p> 3)分勵(lì)脫扣器是一種遠(yuǎn)距離操縱分閘的附件，它的電壓可與主電路電壓無(wú)關(guān)，分勵(lì)脫扣器是短時(shí)工作制，線(xiàn)圈通電時(shí)間一般不能超過(guò)1s，否則線(xiàn)圈會(huì)燒毀。塑殼斷路器為防止線(xiàn)圈燒毀，在分勵(lì)脫扣器線(xiàn)圈串聯(lián)一個(gè)微動(dòng)開(kāi)關(guān)，當(dāng)分勵(lì)脫扣器通電，銜鐵吸合，微動(dòng)開(kāi)關(guān)從常閉狀態(tài)轉(zhuǎn)換成常開(kāi)，由于分勵(lì)脫扣器電源的控制線(xiàn)路被切斷，即使人為地按住按鈕，分勵(lì)線(xiàn)圈始終不再通電。避免了線(xiàn)圈燒損情況的產(chǎn)生，當(dāng)斷路器再扣合閘后微動(dòng)開(kāi)關(guān)重新處于常閉位置。分勵(lì)脫扣器有多種控制電壓和不同電源頻率，可供不同場(chǎng)合，不同電源選用。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 空氣斷路器的工作條件 </p> <p> 周?chē)諝鉁囟龋褐車(chē)諝鉁囟壬舷?40℃；周?chē)諝鉁囟认孪?5℃；周?chē)諝鉁囟?4h的平均值不超過(guò)+35℃。 </p> <p> 海拔：安裝地點(diǎn)的海拔不超過(guò)2000m。 </p> <p> 大氣條件：大氣相對(duì)濕度在周?chē)諝鉁囟葹?40℃時(shí)不超過(guò)50%;在較底溫度下可以有較高的相對(duì)濕度;**濕月的月平均比較大相對(duì)濕度為90%,同時(shí)該月的月平均比較低溫度+25℃,并考慮到因溫度變化發(fā)生在產(chǎn)品表面上的凝露。 </p> <p> 污穢等級(jí)：污穢污染等級(jí)為3級(jí)。 </p> <p> 每路線(xiàn)的插座、燈頭、廚房、衛(wèi)生間、冰箱、空調(diào)都應(yīng)該單獨(dú)放線(xiàn)，每路線(xiàn)上都要有單獨(dú)的空氣開(kāi)關(guān)，大功率的房間，比如廚房和衛(wèi)生間，4平方毫米以上的線(xiàn)路要達(dá)到20A，一般的燈頭線(xiàn)只要16A，每條線(xiàn)路都有特定的規(guī)格。 </p> <p> <br /> </p> <p> <br /> 塑殼斷路器的選擇小知識(shí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="ETAON 塑殼斷路器NZMH3-4-A320,塑殼斷路器" src="https://tyunfile.71360.com/UploadFile/hzhy00290/637360477293066406/8556855.jpg"></div><p> <strong>塑殼斷路器</strong>的主要參數(shù)（三） </p> <p> ⑻限流分?jǐn)嗄芰?</p> <p> 限流分?jǐn)嗄芰κ侵鸽娐钒l(fā)生短路時(shí)，斷路器跳閘時(shí)限制故障電流的能力。電路發(fā)生短路時(shí)，斷路器觸頭快速打開(kāi)，產(chǎn)生電弧，相當(dāng)于在線(xiàn)路中串入1個(gè)迅速增加的電弧電阻，從而限制了故障電流的增加，降低了短路電流的電磁效應(yīng)、電動(dòng)效應(yīng)和熱效應(yīng)對(duì)斷路器和用電設(shè)備的不良影響，延長(zhǎng)斷路器的使用壽命。斷路器斷開(kāi)時(shí)間越短，限流效果就越好，Ics就越接近Icu。 </p> <p> ⑼微型斷路器的脫扣特性 </p> <p> 斷路器脫扣特性分為A、B、C、D、K等幾種，各自的含義如下： </p> <p> A型脫扣特性：脫扣電流為（2～3）In，適用于保護(hù)半導(dǎo)體電子線(xiàn)路，帶小功率電源變壓器的測(cè)量線(xiàn)路，或線(xiàn)路長(zhǎng)且短路電流小的系統(tǒng)； </p> <p> B型脫扣特性：脫扣電流為（3～5）In，適用于住戶(hù)配電系統(tǒng)，家用電器的保護(hù)和人身安全保護(hù)； </p> <p> C型脫扣特性：脫扣電流為（5～10）In，適用于保護(hù)配電線(xiàn)路以及具有較高接通電流的照明線(xiàn)路和電動(dòng)機(jī)回路； </p> <p> D型脫扣特性：脫扣電流為（10～20）In，適用于保護(hù)具有很高沖擊電流的設(shè)備，如變壓器、電磁閥等； </p> <p> K型脫扣特性：具備1.2倍熱脫扣動(dòng)作電流和8～14倍磁脫扣動(dòng)作范圍，適用于保護(hù)電動(dòng)機(jī)線(xiàn)路設(shè)備，有較高的抗沖擊電流能力。塑殼斷路器MCCB介紹及設(shè)計(jì)選型。LZM塑殼斷路器LZMS1-4-A125</p><p style="text-indent:25px">塑殼斷路器的工作條件是怎樣的？ETAON 塑殼斷路器NZMH3-4-A320</p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 空氣斷路器的內(nèi)部附件（四） </p> <p> 欠電壓脫扣器：欠電壓脫扣器是在它的端電壓降至某一規(guī)定范圍時(shí)，使斷路器有延時(shí)或無(wú)延時(shí)斷開(kāi)的一種脫扣器，當(dāng)電源電壓下降(甚至緩慢下降)到額定工作電壓的70%至35%范圍內(nèi)，欠電壓脫扣器應(yīng)運(yùn)作，欠電壓脫扣器在電源電壓等于脫扣器額定工作電壓的35%時(shí)，欠電壓脫扣器應(yīng)能防止斷路器閉合；電源電壓等于或大于85%欠電壓脫扣器的額定工作電壓時(shí)，在熱態(tài)條件下，應(yīng)能保證斷路器可靠閉合。因此，當(dāng)受保護(hù)電路中電源電壓發(fā)生一定的電壓降時(shí)，能自動(dòng)斷開(kāi)斷路器切斷電源，使該斷路器以下的負(fù)載電器或電氣設(shè)備免受欠電壓的損壞。使用時(shí)，欠電壓脫扣器線(xiàn)圈接在斷路器電源側(cè)，欠電壓脫扣器通電后，斷路器才能合閘，否則斷路器合不上閘。 </p> <p> <br /> </p> <p> <br /> ETAON 塑殼斷路器NZMH3-4-A320</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3119159.html</p></div></div></div></div></div><div id="zmypw7p" class="page-right twoColRt"><div id="iwypvbx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dbcebiu" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="oh375ug" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢(xún)供應(yīng)" class="vcenter" 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