190S-ANKP1-CB40C-S11現(xiàn)貨
福州聚福興自動化有限公is為您提供供應(yīng)130k-n5-ecrb。
130k-n5-ecrb用途;130k-n5-ecrb價格好;foxboro
長期供應(yīng),美國 羅克韋爾(rockwell)ab 全線產(chǎn)品,憑借一百多年累積的寶貴經(jīng)驗,該產(chǎn)品用量驚人,在我司成為主打品牌之一,1785、1756、1747、1784、2094、2098、1394c、1336f、1745等系列,價格低廉,質(zhì)量卓越。
schneider施耐德。產(chǎn)于法國,其中,140plc系列,莫迪康as系列,一直是我們公司的優(yōu)勢品牌,原裝進口,價格您懂得,質(zhì)量沒得說,讓您買的開心,用的安心。
西門子(siemens)部分型號》,s5,6dd,siemens moore等老型號,停產(chǎn)備件,有著超大的庫存,貨好,價格更好!
abb機器人(abb robots)系列3hac系列,3hab系列,3haw系列,3hea系列,3hna系列,3hne系列,3hnm系列等系統(tǒng)備件。價格好,用了就知道有多好!
霍尼韋爾,發(fā)那科,foxboro(福克斯波羅),fbm系列,triconex,westinghouse(西屋),ovation系統(tǒng)、wdpf系統(tǒng)備件,xycom vme系列總線板、可編程人機界面,emerson(艾默生)、ge-fanuc,力士樂,瑞恩 ,sew……強勢超越,巨實惠,巨劃算
【信譽、誠信交易】【長期銷售、安全穩(wěn)定】
【稱心滿意、服務(wù)動力】【真誠面對、溝通】
【服務(wù)、一諾千金】【質(zhì)量承諾、客戶滿意】
現(xiàn)貨庫存;大量全新庫存,款到48小時發(fā)貨,無須漫長貨期。
售后;嚴格按照產(chǎn)品質(zhì)保及售后服務(wù)條款,客戶使用無憂。
價格優(yōu);作為系統(tǒng)集成商,擁有優(yōu)惠折扣價格,
全新原裝,質(zhì)量保證,保修一年,提供技術(shù)服務(wù),價格合理
可在不同的系統(tǒng)和現(xiàn)場通訊之間進行選擇。通過10base2或10baset接口方式可連接到i/a`s的以太網(wǎng)控制總線上,這就為構(gòu)建中小規(guī)模的系統(tǒng)提供可能。還可再掛接到i/a`s的節(jié)點總線上,來構(gòu)成大規(guī)模系統(tǒng)。
長延時過電流脫扣器整定電流應(yīng)大于線路中計算電流
(4-10-9)
式中 ——過電流脫扣器的長延時動作整定電
流值,A;
——可靠系數(shù),一般取1.1;
——線路的計算電流,單臺電動機是指
電動機的額定電流,A。
10.5 低壓斷路器
校驗一:長延時過電流脫扣器在配電線路過載時的可靠性。如對電動機進行保護,則電動機在過載 20%時應(yīng)使保護裝置動作;
校驗二:在配電線路出現(xiàn)尖峰負荷時或在電動機起動時,長延時過電流脫扣器不誤動。脫扣器在3倍整定電流值下的可返回時間,取決于線路中尖峰電流的持續(xù)時間,也就是線路中大容量的異步電動機直接起動的持續(xù)時間。
一般情況下,電動機的輕載起動時間不超過2.5~4s,電動機滿載起動時間不超過6~8s,個別電動機重載起動時間達15s。返回時間越小,說明線路電流大于長延時脫扣器整定電流值的倍數(shù)越高,保護裝置的動作越快。
10.5 低壓斷路器
(5)分斷能力
1)斷路器額定短路分斷能力應(yīng)大于線路中大短路電流。
2)斷路器的額定極限短路分斷能力應(yīng)大于斷路器額定運行短路分斷能力(對于直流電流線路,兩者的數(shù)值相同)。分斷能力是指低壓斷路器在規(guī)定的試驗(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。分斷
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190S-ANKP1-CB40C-S11
Ametek 2 Stage Tangential Discharge Motor 7.2", 120V, 1400W
Returns: Accepted
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190S-ANKP1-CB40C-S11
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190S-ANKP1-CB40C-S11
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