IB IL 24 DI 16現貨

本公司秉承“顧客至上，銳意進取”的經營理念，
堅持“客戶”的原則為廣大客戶提供更加的服務。歡迎惠顧！
①也許您從未嘗試過給我們一個機會,給您一個大大的驚喜。
①也許您在乎的不僅僅是優惠的價格,更是質量的保障。
①也許您不曾知道,我們的價格低廉,質量卻這般。
①你敢不敢丟下所有的質疑,相信自己的選擇？
①我們的服務,我們的價格,我們的質量,我們的信用。
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2．（2）把額定條件下的開斷能力稱為額定斷流容量。三相電路的額定斷流容量，以
（MVA）表示。
我國根據國際電工委員會（IEC）的規定，現只把額定開斷電流作為表征開斷能力的參數，而斷流容量僅作為描述斷路器特性的一個數值。
3．關合能力
說明斷路器關合短路故障能力的參數為額定關合電流。其數值以關合操作時，瞬態電流個大半波峰值來表示，制造部門對關合電流一般取額定開斷電流的 倍即
（4-10-1）
式中 ——額定關合電流，kA；
——額定開斷電流，kA。
斷路器關合短路電流的能力除與滅弧裝置性能有關外，還與斷路器操動機構的合閘功率的大小有關。
耐受性能
斷路器應具有足夠的耐受短時短路電流作用的能力，簡稱耐受能力。
（1）短時熱電流（熱穩定電流） 在規定的時間內（規定標準時間為2s，需要大于2s時推薦4s）斷路器在合閘位置，可能經受的短時熱電流有效值（kA），稱為短時熱電流（或短時耐受電流），斷路器標準中規定
（4-10-2）
短時熱電流通過斷路器時，各零部件的溫度不應超過短時發熱高允許溫度，且不致出現觸頭熔接或軟化變形，以及其它妨礙正常運行的異常現象。允許發熱高溫度數值隨材料而異。
（2）峰值耐受電流 峰值耐受電流亦稱動穩定電流，即在規定的使用條件和性能下，斷路器在合閘位置時所能經受的電流峰值。它與關合電流不同的是，峰值耐受電流是斷路器處于合閘位置時通過的短路電流，而關合電流則是由于斷路器關合短路故障所產生的短路電流。峰值耐受電流也是以短路電流的個大半波峰值電流來表示，且

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IB IL 24 DI 16

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IB IL 24 DI 16

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Ametek Drexelbrook Dumpstar Level Control Model 406-6000 700-0202-036
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Ametek Dycor LC Series Power Supply Controller for LC200S Mass Spectrometer
Ametek Isolated RTD Transmitter SC-1372
NEW LAMB AMETEK 116210-85 VACUUM BLOWER MOTOR
NEW AMETEK DREXELBROOK 406-7001-001 HIGH LOW LEVEL ALARM TRANSMITTER 54389
AMETEK CAPACITANCE CAL 401-0006-008
AMETEK Drexelbrook 300 Series Level Control w/Sensor
NEW AMETEK C1929 15-0-15 132872 A51B LM41/21/2ANP GAUGE INCHES OF WATER PRESSVAC
Ametek Inducer Moter Lennox Ser. 06G 83922R MOD. JF1F054N' 44309
AMETEK MODCAL CALIBRATOR / NEW REPLACEMENT PART MODEL 90E1
AMETEK LAMB VACUUM MOTOR NEW 119438-24
AMETEK/PANALAR?M 91AF1KN120AC4C FLASHER/AUDIBL?E BOARD ***NNB***
CHATILLON AMETEK 516-1000 HANDHELD SPRING PUSH PULL GAUGE 2 LB x 1/2 OZ - USED w
NIB AMETEK/USG 4 1/2" GAUGE 1933 6000 PSI
NIB AMETEK/USG ARC-LOC GAUGE 1931 30-0-100 4-1/2"
AMETEK ROTRON Air Flow Switch Model 2C Type 1003 P/N:041101 NIB
Thermax DV12 - 2 Stage Vacuum Motor (Ametek/Lamb) Hot Water Extractors Thermax
Ametek / TCI Diaphragm Type LC 2-150
Ametek / TCI Diaphragm TC 2-150
Ametek / USG Pressure Gauge w/ Seal Diaphragm 0-15 psi
Ametek Diaphragm LC 2-150
Ametek DREXELBROOK Sensing Element Plugged Chute Det.
plaque de détection - détecteur de chute bloquée
NEW! AMETEK LAMB 2-stage Vacuum Motor/Blower 2M424 240 Volt
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NEW! 115334 Ametek Lamb Motor Armature Bearings Brushes
AMETEK LN-8.8 Force Gauge with Lock Switch
Ametek ML4432-3 Accuforce II Force Gage 0-5 kg, 0-10 lb
AMETEK TAK-ETTE DIGITAL TACHOMETER TACH METER
AMETEK MODEL 116156-00 LOOK !!!

IB IL 24 DI 16

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