A6VE55EP6/63W-VZL027B現貨
(2)額定電流
斷路器的額定電流與過電流脫扣器的額定電流應大于線路計算負荷電流。當按線路的計算電流選擇時,應能滿足下式:
(4-10-6)
式中 ——低壓斷路器的額定電流,A;
——線路的計算電流或實際電流,A。
如果環(huán)境溫度低于+40℃,則電器產品溫度每低1℃,允許電流比額定電流值增加0.5%。但增加總數不得超過20%。
10.5 低壓斷路器
斷路器的保護定值
(1)長延時脫扣器的電流整定值,動作時間可以不小于10s;長延時脫扣器只能作過載保護。
(2)短延時脫扣器的電流整定值,動作時間約為0.1~0.4s;短延時脫扣器可以作短路保護,也可以作過載保護。
(3)瞬時脫扣器的電流整定值,其動作時間約為0.02s。瞬時脫扣器一般用作短路保護。
10.5 低壓斷路器
(3)瞬時過電流脫扣器的整定電流
瞬時脫扣器的動作時間為0.02s左右。
瞬時或短時過電流脫扣器的整定電流應能躲開線路的尖峰電流。
1)負載是單臺電動機,整定電流按下式計算
(4-10-7)
10195 NEW Alfa Laval 3149205511 Seal Set
ALFA LAVAL 32263-0814-6 NSPP 3226308146
ALFA LAVAL 32263-0914-4 NSPP 3226309144
ALFA LAVAL 32263-0914-6 NSPP 3226309146
ALFA LAVAL 32263-1804-6 NSPP 3226318046
ALFA LAVAL 17-109-U25 NSPP 17109U25
ALFA LAVAL 32330.1419.3 NSPP 3233014193
ALFA LAVAL 481295 NSPP 481295
ALFA LAVAL 9611926737 NSFP 9611926737
ALFA LAVAL 06-532072-01 NSPP 0653207201
ALFA LAVAL 9611-92-4055 NSFP 9611924055
ALFA LAVAL 9611-92-4055 NSPP 9611924055
ALFA LAVAL 9611-92-4055 USPP 9611924055
ALFA LAVAL 9611-92-4058 NSFP 9611924058
ALFA LAVAL 9611-92-4058 NSPP 9611924058
ALFA LAVAL GHK11-GC-POL-2 NSPP GHK11GCPOL2
ALFA LAVAL GHK76MH5000V NSFP GHK76MH5000V
ALFA LAVAL MB-00004 NSPP MB00004
ALFA LAVAL PC14081-2 NSFP PC140812
Alfa Laval/Saunders Butterfly Valve MXMP112TC 20"
Alfa Laval / Saunders Butterfly Valve / Gear MYNB 112TC
Alfa Laval GHPD 332RF Pump
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11109-008 Alfa Laval model 10BFG plate style heat exchanger
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ALFA LAVAL,3", 1X2 PLUG VALVE
Alfa Laval actuated Valve 7715-10m-14p-2?x15-e-316l-pl
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A6VE55EP6/63W-VZL027B
ACCURAY 067455-004 DISPLAY ACCURAY 067455004 MAKE OFFER
Accuray MCC/IFCC I/F, part # 013509 REV: J PCB
Accuray 67461-002 67461002 PC Board
Accuray 69242-002 69242002 PC Board
Accuray 64844-002 64844002 PC Board
Accuray 64811-002 64811002 PC Board
INDUSTRIAL NUCLEONICS ACCURAY AD-9-055109-30?269 727622008 55169-30269 PCB CIRCUI
INDUSTRIAL NUCLEONICS ACCURAY 1780-52 89-69-0458 PCB CIRCUIT BOARD / CARD / MODU
INDUSTRIAL NUCLEONICS ACCURAY 2H 245855 PCB CIRCUIT BOARD / CARD / MODULE - USED
INDUSTRIAL NUCLEONICS ACCURAY 61458-32835 PCB CIRCUIT BOARD / CARD / MODULE - US
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INDUSTRIAL NUCLEONICS ACCURAY 61461-32438 PCB CIRCUIT BOARD / CARD / MODULE - US
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Actus Power AC Servo Controller NPSA-104MU-IP1 USPP NPSA104MUIP1 Pak 3PH 220V
ACTUS POWER NPSA-103MU-E4C?SA USPP NPSA103MUE4CSA
ACTUS POWER NPSA-103MU-E1B?S USPP NPSA103MUE1BS
ACTUS POWER NPSA-102MU-E9B?S USPP NPSA102MUE9BS
Actus Power AC Servo Controller NPSA-102MU-E9B?S USPP NPSA102MUE9BS Pak 3PH 220V
Actus Power AC Servo Controller NPSA-103MU-1EC?S USPP NPSA103MU1ECS Pak 3PH 220V
ACTUS POWER NPSA-2.5NN-40E?3 USPP NPSA25NN40E3
ACTUS POWER NPSA-20NN-50E8 USPP NPSA20NN50E8
Actus Power AC Servo Controller NPSA-2.5NN-60-?E1 USPP NPSA2.5NN60E1 Pak 1-PH/3PH
Actus Power AC Servo Controller NPA-20NN-50-E8? USPP NPSA20NN50E8 Pak 1-PH/3PH
ACTUS POWER NPSA-2.5-64 NSPP NPSA2564
ACTUS POWER NPSA-2.5-64 USPP NPSA2564
ACTUS POWER NPSA-20-54 USPP NPSA2054
(AS01) NPSA-ZMTA-201A NIKKI DENSO ACTUS-MINI POWER USED WORKING
(AS01) NPSA-ZMTA-401A NIKKI DENSO ACTUS-MINI POWER USED WORKING
(AS01) NPSA-ZMTA-401A?E NIKKI DENSO ACTUS-MINI POWER USED WORKING
ACTUS POWER PUB33AX1B USPP PUB33AX1B
ACTUS POWER NPSA-103MU-EIB?S/1680336B USPP NPSA103MUEIBS1?68
ACTUS POWER NPSA-2.5-64 supply NPSA2564
A6VE55EP6/63W-VZL027B
NEW AMETEK VACUUM GAUGE 0 TO 30 INCHES Hg 1X583
AMETEK DREXELBROOK 506-6000 LCS POINT LEVEL CNTL MANUAL
Ametek T-645 Reservoir for T-620 Hydraulic Hand Pump
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A6VE55EP6/63W-VZL027B