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IC660SLD024現(xiàn)貨

有找你只看了我們的型號(hào)卻沒看到我們的，別人有別人的，我們有的是原裝，我們的產(chǎn)品與服務(wù)能支撐起一個(gè)團(tuán)隊(duì)和公司，現(xiàn)在的市場(chǎng)，眼花繚亂的東西確實(shí)太多，唯有內(nèi)心的潮涌才是制勝的法寶，信任就等于財(cái)富，誠(chéng)信就等于財(cái)富，您還有什么擔(dān)心的，拿起電話聯(lián)系我們吧
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冷門的備品備件聯(lián)系我們——————誠(chéng)信==財(cái)富
重合同、守信用，基礎(chǔ)力量雄厚,備貨充足!
公司有強(qiáng)大的網(wǎng)絡(luò)，能為用戶提供國(guó)外各種系列品牌的PLC.DCS備品備件,
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隨著工控行業(yè)網(wǎng)絡(luò)建設(shè)的不斷深入，“與客戶共創(chuàng)成功”的經(jīng)營(yíng)理念更為重要，
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很多客戶跟我們合作了，認(rèn)可我們的，我們幫助客戶贏得了訂單.

長(zhǎng)延時(shí)過電流脫扣器整定電流應(yīng)大于線路中計(jì)算電流
（4-10-9）
式中 ——過電流脫扣器的長(zhǎng)延時(shí)動(dòng)作整定電
流值，A；
——可靠系數(shù)，一般取1.1；
——線路的計(jì)算電流，單臺(tái)電動(dòng)機(jī)是指
電動(dòng)機(jī)的額定電流，A。
10.5 低壓斷路器
校驗(yàn)一：長(zhǎng)延時(shí)過電流脫扣器在配電線路過載時(shí)的可靠性。如對(duì)電動(dòng)機(jī)進(jìn)行保護(hù)，則電動(dòng)機(jī)在過載 20％時(shí)應(yīng)使保護(hù)裝置動(dòng)作；
校驗(yàn)二：在配電線路出現(xiàn)尖峰負(fù)荷時(shí)或在電動(dòng)機(jī)起動(dòng)時(shí)，長(zhǎng)延時(shí)過電流脫扣器不誤動(dòng)。脫扣器在3倍整定電流值下的可返回時(shí)間，取決于線路中尖峰電流的持續(xù)時(shí)間，也就是線路中大容量的異步電動(dòng)機(jī)直接起動(dòng)的持續(xù)時(shí)間。
一般情況下，電動(dòng)機(jī)的輕載起動(dòng)時(shí)間不超過2.5～4s，電動(dòng)機(jī)滿載起動(dòng)時(shí)間不超過6～8s，個(gè)別電動(dòng)機(jī)重載起動(dòng)時(shí)間達(dá)15s。返回時(shí)間越小，說(shuō)明線路電流大于長(zhǎng)延時(shí)脫扣器整定電流值的倍數(shù)越高，保護(hù)裝置的動(dòng)作越快。
10.5 低壓斷路器
（5）分?jǐn)嗄芰?br /> 1）斷路器額定短路分?jǐn)嗄芰?yīng)大于線路中大短路電流。
2）斷路器的額定極限短路分?jǐn)嗄芰?yīng)大于斷路器額定運(yùn)行短路分?jǐn)嗄芰Γ▽?duì)于直流電流線路，兩者的數(shù)值相同）。分?jǐn)嗄芰κ侵傅蛪簲嗦菲髟谝?guī)定的試驗(yàn)（如電壓、頻率、線路其它參數(shù)等）條件下，能夠接通成切斷短路電流的數(shù)值。分?jǐn)?br />

APC SURT3000XLT USPP SURT3000XLT
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IC660SLD024

Alfa Laval Purifier FOPX 609
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IC660SLD024

APW MCLEAN T-EG6 NSPP TEG6
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IC660SLD024

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