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公司始終秉承“誠信、高效、共贏、創(chuàng)新、發(fā)展”的經(jīng)營理念，專業(yè)從事國內(nèi)外自動化設(shè)備及元器件的銷售與維修服務(wù)。歷經(jīng)多年成長，迅速崛起為傳感器、氣動行業(yè)一匹黑馬。依托Hydrotechnik海德泰尼克、阿爾維勒（ALLWEILER、HOUTTUIN、IMO、WARREN）泵、費(fèi)斯托FESTO、日本SMC、樂可利legris、E+H、DCS系統(tǒng)備件（A-B、ABB、GE、施耐德140、FOXBORO）、德國HBM、傳力Transcell、梅特勒-托利多等國際品牌強(qiáng)有力的支持。涵蓋傳感元件、氣動液壓元件、儀器儀表元件、低壓電器元件等。服務(wù)于：輪胎、汽車、卷煙、水泥、化工、發(fā)電、鋼鐵、造紙、機(jī)械、食品、包裝、飲料、制藥、污水處理等重要行業(yè)。在保質(zhì)保量的情況下，切合實(shí)際為客戶降低設(shè)備運(yùn)行成本，提高服務(wù)水平更好的為廣大客戶服務(wù)而不懈努力，攜手合作
能力用電流有效值（kA）表示。
3）斷路器額定運(yùn)行短路分?jǐn)嗄芰?yīng)大于線路中大短路電流。
4）斷路器的額定短時耐受電流（0.5s、3s）應(yīng)大于線路中短時持續(xù)短路電流。
10.5 低壓斷路器
當(dāng)分?jǐn)嗄芰Σ粔?，一般的線路，可用有填料式熔斷器（RT0）來替代低壓斷路器。對于特別重要的供電線路，應(yīng)采用更大容量的低壓斷路器
10.5 低壓斷路器
（6）斷路器欠電壓脫扣器額定電壓等于線路額定電壓。
（7）直流快速斷路器需考慮過電流脫扣器的動作方向（極性）、短路電流上升率。
（8）剩余電流保護(hù)斷路器需選擇合理的剩余電流動作電流和剩余電流不動作電流。注意能否斷開短路電流，如不能斷開短路電流則需要適當(dāng)?shù)娜蹟嗥髋浜鲜褂谩?br />
（9）滅磁斷路器選擇時需考慮發(fā)電機(jī)的強(qiáng)勵電壓、勵磁線圈的時間常數(shù)、放電電阻及斷開強(qiáng)勵電流的能力。
10.1.1 斷路器的作用
高壓斷路器在正常運(yùn)行時用它接通或切斷負(fù)荷電流；
在電氣設(shè)備或線路發(fā)生短路故障或嚴(yán)重過負(fù)荷時，由繼電保護(hù)裝置控制其自動迅速地切斷故障電流，切斷發(fā)生短路故障的設(shè)備或線路，以防止擴(kuò)大事故范圍。
10.1.2 斷路器的功能
斷路器開斷電路時，充分利用交流電弧電流每半周過零一次自然熄弧的特點(diǎn)，加強(qiáng)去游離使電弧不再復(fù)燃。其介質(zhì)強(qiáng)度恢復(fù)主要由斷路器滅弧裝置和介質(zhì)特性所決定。
系統(tǒng)電壓恢復(fù)過程可能是周期性的或非同期性的。取決于被開斷電路的參數(shù)。
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1SU21003
Akai Professional APC40 Ableton Performance Controller NEW
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APC AP7921 Rack PDU Switched 208/230V
APC 640-0734K USPP 6400734K
APC Replacement Battery Cartridge #55 RBC55 Maintenance Free Sealed Lead Acid
Antec LLDR APC 252632 Laser
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1SU21003
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Ametek Pressure Gauge 150894 4-1/2" -30 to 60 psi
AMETEK PRESSURE TRANSMITTER 88C002A2
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1SU21003
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