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所有产品全新原装,假一罚十。107TD47
107TL47
107TL47-1
7204-1421
7204-1425
7204S-1423
9604-1121
9604-1421
9604-4241
9620-1421
AGE470
AGH150W
AGH150W-4
AGH204S-4
AGH251S
AGH505-500
AGH520S
AGH575S-6
AGH675S-7
AKS470
AN420-2
AN450
ASSEMBLY
ASSEMBLY
ASSEMBLY
ASSEMBLY
ES710/8KVA
AUR381Z
AUR381Z
AUR381Z
AUR381Z
CME420-D-1
CME420-D-2
CSE141
CSE141
CSG140
CSG140
CT-M105
CT-M70
DI-1
DI-2
DI-3-SET
EDS165
EDS165-3
EDS165-SET
EDS3060
EDS3065
EDS3065-13
EDS3365
EDS3365-13
EDS460-D-1
EDS460-D-2
EDS460-L-1
EDS460-L-2
EDS461-D-1
EDS461-D-2
EDS461-L-1
EDS461-L-2
EDS470-12
EDS470-1221
EDS470-1223
EDS470E-12
EDS474-12
EDS474E-12
EDS490-D-1
EDS490-D-2
EDS490-L-1
EDS490-L-2
EDS491-D-1
EDS491-D-2
EDS491-L-1
EDS491-L-2
FRONTCOVER-144x72mm-TRANSPARENT
FRONTCOVER-144x96mm-TRANSPARENT
FTC470XDP
FTC470XET
FTC470XMB
IR125Y-2
IR125Y-4
IR125Y-426
IR125Y-47
IR125Y-495
IR125YW-2
IR125YW-4
IR140Y-3
IR140Y-4
IR140Y-40
IR140Y-413
IR140Y-421
IR145Y-3
IR145Y-313
IR145Y-321
IR145Y-4
IR145Y-413
IR145Y-421
IR145Y-423
IR1570-434
IR1570-435
IR1570W-435
IR1575-434
IR1575-435
IR1575PG1-434
IR1575PG1-435
IR1575PG1W-435
IR420-D4-1
IR420-D4-2
IR420-D6-1
IR420-D6-2
IR423-D4-2W
IR425-D4-1
IR425-D4-2
IR450R-4
IR450RT-4
IR450Y-4921
IR457R-4
IR470LY2-40
IR470LY2-4061
IR470LY2-409
IR470LY2-60
IR470LY2-6012
IR470LY2-6013
IR470LY2-6015
IR470LY2-6021
IR470LY2T-6013
IR470LY-40
IR470LY-40
IR470LY-4011
IR470LY-4012
IR470LY-4013
IR470LY-4015
IR470LY-4016
IR470LY-4017
IR470LY-4018
IR470LY-4021
IR470LY-4023
IR470LY-4090
IR470LYRB-40
IR470LYRB-4015
IR470LYRB-4016
IR470LYRB-4021
IR470LYT2-6021
IR470LYT-40
IR470LYT-4013
IR470LYT-4015
IR470LYT-4018
IR470LYT-4021
IR470LYT-4090
IR470LYT-4091
IR470LYTRB-4013
IR470LYW-40
IR470LYW-4013
IR470LYW-4018
IR470LYW-4021
IR474LY-421
IR474LY-4921
IR475LY-4
IR475LY-413
IR475LY-415
IR475LY-416
IR475LY-417
IR475LY-418
IR475LY-421
IR475LY-423
IR475LY-P49213
IR475LYRB-4
IR475LYT-4
IR475LYT-413
IR475LYT-421
IR475LYT-423
IR475LYT-429
IR475LYT-4921
IR475LYTRB-413
IR478LY-4
IR478LY-416
IRDH265-3
IRDH265-322
IRDH265-323
IRDH265-4
IRDH275-415
IRDH275-4227
IRDH275-425
IRDH275-427
IRDH275-435
IRDH275-49327
IRDH275-49335DB
IRDH275B-4227
IRDH275B-425
IRDH275B-427
IRDH275B-435
IRDH275BM-727
IRDH275B-R427
IRDH275B-R435
IRDH275BU-627
IRDH275BU-635
IRDH275BW-4135
IRDH275BW-425
IRDH275BW-427
IRDH275BW-435
IRDH275U-435
IRDH275W-4227
IRDH275W-425
IRDH275W-427
IRDH275W-435
IRDH365-3
IRDH365-322
IRDH365-323
IRDH365-4
IRDH375-415
IRDH375-4227
IRDH375-425
IRDH375-427
IRDH375-435
IRDH375B-415
IRDH375B-4227
IRDH375B-425
IRDH375B-427
IRDH375B-435
IRDH375BW-427
IRDH375BW-435
IRDH375W-425
IRDH375W-427
IRDH375W-435
IRDH575B1-4227
IRDH575B1-4235
IRDH575B1-425
IRDH575B1-427
IRDH575B1-435
IRDH575B1W-4227
IRDH575B1W-4235
IRDH575B1W-435
IRDH575B2-435
IRDH575B2W-435
IREH470Y2-6
IREH470Y2-613
LFC107E06-B16
LFC107E12-B16
LFC107E18-B16
LFC107E24-B16
LTIC107D
LTIC107E
MK2007CBM
MK2007CBMT
MK2007CBM-CN
MK24..-FLUSH
MK24..-SWITCHBOARD
MK2410
MK2418-11
MK2418-12
MK2418A-11
MK2418A-12
MK2418CP-11
MK2418CP-12
MK2418CPA-11
MK2418CPA-12
MK2418CPK-11
MK2418CPK-12
MK2418K-11
MK2418K-12
MK2430-11
MK2430-12
MK2430A-11
MK2430A-12
MK2430-MOUNTING
MK2430P-11
MK2430P-12
MK2430PA-11
MK2430PA-12
MK2430S-11
MK2430S-12
MOUNTING
PGH471
PGH471-21
PGH471-23
PGH471E
PGH474
PGH474E
PRC470
RCM420-D-1
RCM420-D-2
RCM421-D-1
RCM421-D-2
RCM460Y
RCM460Y-13
RCM465Y
RCM465Y-11
RCM470DY
RCM470LY
RCM470LY-11
RCM470LY-13
RCM470LY-21
RCM470LY-23
RCM470LY-72
RCM470YM2
RCM475LY
RCM475LY-13
RCMA420-D-1
RCMA420-D-2
RCMA420-DM-1
RCMA420-DM-2
RCMA470LY
RCMA470LY-21
RCMA471LY
RCMA471LY-21
RCMA472LY
RCMA472LY-21
RCMA475LY
RCMA475LY-13
RCMA475LY-21
RCMS460-D-1
RCMS460-D-2
RCMS460-L-1
RCMS460-L-2
RCMS470-12
RCMS470-1213
RCMS470E-12
RCMS490-D-1
RCMS490-D-2
RCMS490-L-1
RCMS490-L-2
RK170
SAD142
SB146-34
SB146-35
SB471-34
SB471-35
MOUNTING
MOUNTING
SED140
SFE140
SFE140
SLU140
SMI470-9
SMI472-12
SMI472-1221
SMO480-12
SMO482-12
SMO482P-12
SP100
SP480
STW2
SUA143
SUA143
SUA143
SUA143
SUA145
SUA145
SUA145
SUA145
SUD140
SUD140
SUD142
SUD142
SUD142
SUD472
SUD473
SUG140
SUG140
SUG141
SUG141
SUR353Z
SUR353Z
SUR353Z
SUR353Z
UFC107E65-06-B16
UFC107E65-12-B16
UFC107E65-18-B16
UFC107E65-24-B16
UFC107E80-06-B16
UFC107E80-12-B16
UFC107E80-18-B16
UFC107E80-24-B16
UG140P
UG140P
UG140P
UMC107E-65
UMC107E-65-OL
UMC107E-80
UMC108E-65
UMC108E-80
UMC710D4-160
UMC710D4-160-HA
UMC710D4-250
UMC710D4-250-HA
UMC710D4-29
UMC710D4-29-E1
UMC710D4-29-HA
UMC710D4-400
UMC710D4-400-HA
UMC710D4-42
UMC710D4-42-010
UMC710D4-42-E1
UMC710D4-42-HA
UMC710D4-630
UMC710D4-630-HA
USC107D4
USC107D4-HA
USC710D4-01-HA
USC710D4-02-HA
VMD420-D-1
VMD420-D-2
VMD421H-D-3
VME420-D-1
VME420-D-2
2.1 防晃电型交流接触器 电力系统由于雷击、短路后重合闸以及单相人为短时故障接地后自动恢复等原因使供电系统晃电,晃电时间一般在几秒以下。
在有连续性生产要求的情况下,工艺上不答应设备在电源短时中断(晃电)就造成设备跳闸停电,可以采用新型电控设备:FS系列防晃电交流接触器。
FS系列防晃电接触器不依靠辅助工作电源,不依靠辅助机械装置,具有体积小、可靠性高,它采用强力吸合装置,双绕组线圈,接触器在吸合释放时无有害抖动,避免了电网失压时触头抖动引起的燃弧熔焊,因此减少了触头磨损。接触器线圈带有储能机构,当晃电发生时,接触器线圈延迟释放,其辅助触点延迟发出断开的控制信号,由此躲开晃电时间,晃电时间由负载性质和断电长短决定,接触器延时时间可调。
2.2 节能型交流接触器 交流接触器的节电是指采用各种节电技术来降低操作电磁系统吸持时所消耗的有功、无功功率。交流接触器的操作电磁系统一般采用交流控制电源,我国现有63A以上交流接触器,在吸持时所消耗的有功功率在数十瓦至几百瓦之间,无功功率在数十乏至几百乏之间,一般所耗有功功率铁芯约占65~75%,短路环约占25~30%,线圈约占3~5%,所以可以将交流吸持电流改为直流吸持,或者采用机械结构吸持、限电流吸持等方法,可以节省铁芯及短路环中所占的大部分功率损耗,还可消除、降低噪声,改善环境。
VME421H-D-1
VME421H-D-2
W0-S15
W10/600
W10/600-6
W10/8000
W10/8000-6
W1000
W120
W120AB
W120B
W1-35
W1-35/8000
W1-A35S
W1-S35
W20
W20-8000
W20AB
W20B
W210
W210AB
W210B
W2-70
W2-A62
W2-A62B
W2-A70S
W2-S70
W3-105
W35
W35-8000
W35AB
W35B
W35B-120T1
W3-A105S
W4-140
W450-ST
W465-A26
W4-A140S
W4-S140
W500
W5-210
W5-A210S
W5-S210
W60
W600
W60-8000
W60AB
W60B
W60B-120T1
W700
W800
W900
WR115x305
WR115x305S
WR150x350S
WR200x500S
WR50x175
WR70x150
WR70x175
WR70x175S
WS20x30
WS20X30/8000
WS20x30-8000
WS50x80
WS50x80/8000
WS50x80-8000
WS50x80S
WS80x120
WS80x120S
WS80x160S
WS80x80S
WX-100
WX-1000
WX-250
WX-500
WXS-75
WXS-100
WXS-1000
WXS-250
WXS-500 根据原理一般分为三大类:节电器、节点线圈、节电型交流接触器。
电磁系统采用节电装置,使电磁无噪声及温升低,并解决了使用节电装置有释放延时的缺点,如国产的CJ40系列。
2.3 带有附加功能的交流接触器 电子技术的应用可以很方便的在接触器中增添主电路保护功能,如欠、过电压保护,断相保护、漏电保护等。电动机烧毁事故中,接触器一相接触不良的占11%,所以选择带有断相保护的断路器、接触器等电气器件也是十分必要的。
接触器加辅助模块可以满足一些非凡要求。加机械连锁可以构成可逆接触器,实现电动机正反可逆旋转,或者两个接触器加机械连锁实现主电路电气互锁,可用于变频器的变频/工频切换;加气延时头和辅助触头组可以实现电动机星-三角启动;加空气延时头可以构成延时接触器。
可以选用交流接触器的电磁线圈做电动机的低电压保护,其控制回路宜由电动机主回路供电,如由其他电源供电,则主回路失压时,应自动断开控制电源。
3 结论
交流接触器的选用不仅和所通断的负载有关,和接触器所在回路的电力系统各阻抗参数有关,还和控制方式、使用环境及使用要求有关,所以选择交流接触器时要全面考虑,逐步计算各参数数值,达到选用合理、使用方便
W465-A26-1