點(diǎn)擊圖片查看大圖100-K09KJ200M現(xiàn)貨
制造業(yè)作為立國之本，強(qiáng)國之基，是國民經(jīng)濟(jì)的基礎(chǔ)產(chǎn)業(yè)。經(jīng)過幾十年的發(fā)展，我國制造業(yè)取得了舉
世矚目的發(fā)展成就，制造在國內(nèi)需求的同時(shí)，也走向了市場。
2017年《財(cái)富》“500強(qiáng)”排行榜中，企業(yè)已經(jīng)達(dá)到115家，企業(yè)入榜數(shù)量連續(xù)第十
四年增長。但制造類企業(yè)尤其是創(chuàng)新型企業(yè)比較少。總體看，我國制造業(yè)仍處在分工的中低端，
大而不強(qiáng)。
隨著新經(jīng)濟(jì)時(shí)代的來臨，“制造2025”戰(zhàn)略的實(shí)施，我國正在由制造大國向制造強(qiáng)國轉(zhuǎn)變，推動
制造業(yè)智造升級、加快邁向中的任務(wù)十分緊迫。
當(dāng)前我國制造業(yè)加快智造升級，在穩(wěn)增長、調(diào)結(jié)構(gòu)、促轉(zhuǎn)型的征途上，不斷迸發(fā)出新動力，與此同時(shí)
各項(xiàng)與制造業(yè)相關(guān)政策的為制造業(yè)的發(fā)展和轉(zhuǎn)型升級提供了強(qiáng)的政策支持。
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(shí)耐受電流（0.5s、3s）應(yīng)大于線路中短時(shí)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(shí)需考慮發(fā)電機(jī)的強(qiáng)勵(lì)電壓、勵(lì)磁線圈的時(shí)間常數(shù)、放電電阻及斷開強(qiáng)勵(lì)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(shí)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(shí)，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(shí)，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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Vintage Brass Ametek Instrument Pressure Gage 300psi NEW
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MANSFIELD AMETEK MECHANICAL FORCE GAUGE L-2
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Ametek P844U Pressure Gauge 0-15 PSI
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Akai Professional APC40 Ableton Performance Controller NEW
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APC ACF503 Fan Tray ACF503
RBC55 Replacement Battery #55 American Power Conversion-APC
AP7832 Rack PDU Metered Zero U American Power Conversion-APC
APC Switched Rack 2.4kVA PDU (AP7901)
SCRATCH & DENT SMT1000RM2U 1000VA 120V UPS - 2U Server Rackmount Battery Backup
APC AP7901 Rack PDU Switched 1U 20A/120V
APC RBC27 Replacement Battery #27
APC J35B Power Conditioner W/ Back up
APC High Voltage RM Metered PDU 30Amp 208v AP7841 New
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APC 640-0734K USPP 6400734K
APC Replacement Battery Cartridge #55 RBC55 Maintenance Free Sealed Lead Acid
Antec LLDR APC 252632 Laser
ABB SNAT 602 TAC / 61001395 APC CONNECTION BOARD FOR MOTOR DRIVES 57533
RBC11 Replacement Battery #11 American Power Conversion-APC
APC WBEXTWAR1YRSP0?6 1 Year Extended Warranty WBEXTWAR1YR-SP?-06
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AMETEK/DIXSON 243-54661-001 RELAY OUTPUT OPTION NIB
Ametek US Gauge Series 1900 0-60PSI Pressure Gauge NR
Ametek US Gauge Series 1900 Solfrunt Pressure Gauge NR
Ametek IPS-200 Pressure Switch -100 to +200 kPa
AMETEK GAUGE PT-1088 144435
NEW - Lot of 4 - Ametek 0 to 100/60 PSI Pressure Gauges
NCC Ametek #LNC-05SBL-445 240 vac Pump-Up Liquid Level Sensor
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SAW-4601 *NEW* OE Solenoid for Ametek, Prestolite 6V
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AMETEK DUPONT S2204 FILTER KIT QTY (5) NEW
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AMETEK/HUNTER SPRING TRIM FORGE GAGE T-1000G-TC - NEW
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6600-1040 *NEW* Solenoid for Prestolite, Ametek 12V
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AMETEK Rotron air Filter assembly part # 516489 NNB
Lamb Ametek 116455-50 1-stage 5.7" Vacuum Motor 120 volt
Ametek Thermometer 20-200f 142024 us gauge fahrenheit f
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Prestolite Ametek Starter Solenoid 12 Volt 3 Terminal
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Tak-Ette Digital Tachometer 1707 and Ametek Surface Speed Wheel
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Ametek USG Gauge H20 0-15 Pressure Gauge 161963 NEW
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Ametek U.S. Gauge HG VAC 200 PSI Dial No. 33024
New Ametek U.S. Gauge USG Dial Thermometer Dial: 2 1/4" -20 to 120F
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1 NEW AMETEK BU-2457-H PRESSURE GAGE NIB
AMETEK US GAUGE 30" VAC-0-15 psi, 4-1/2 FACE, 1/4" LM 316 TUBE & SOCKET 289ER06
Ametek Pressure Gauge 30 psi
2523 NEW AMETEK Pressure Gauge 0-30psi
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AMETEK 4" 0/30 PSI WITH HIGH PRESSURE FITTING.
100-K09KJ200M
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