ABB 接触器 TBC7-30-10_库存电工电气产品_电工电气网_货源市集

ABB 接触器 TBC7-30-10

交流接触器利用主接点来控制电路，用辅助接点来导通控制回路。

主接点一般是常开接点，而辅助接点常有两对常开接点和常闭接点，小型的接触器也经常作为中间继电器配合主电路使用。

交流接触器的接点，由银钨合金制成，具有良好的导电性和耐高温烧蚀性。

交流接触器动作的动力源于交流通过带铁芯线圈产生的磁场，电磁铁芯由两个「山」字形的幼硅钢片叠成，其中一个固定铁芯，套有线圈，工作电压可多种选择。为了使磁力稳定，铁芯的吸合面加上短路环。交流接触器在失电后，依靠弹簧复位。

另一半是活动铁芯，构造和固定铁芯一样，用以带动主接点和辅助接点的闭合断开。

20A以上的接触器加有灭弧罩，利用电路断开时产生的电磁力，快速拉断电弧，保护接点。

接触器可高频率操作，作为电源开启与切断控制时﹐z高操作频率可达每小时1200次。

接触器的使用寿命很高，机械寿命通常为数百万次至一千万次，电寿命一般则为数十万次至数百万次。

技术发展

交流接触器制作为一个整体，外形和性能也在不断提高，但是功能始终不变。无论技术的发展到什么程度，普通的交流接触器还是有其重要的地位。

空气式电磁接触器（英文：Magnetic Contactor）：主要由接点系统、电磁操动系统、支架、辅助接点和外壳（或底架）组成。

因为交流电磁接触器的线圈一般采用交流电源供电，在接触器激磁之后，通常会有一声高分贝的“咯”的噪音，这也是电磁式接触器的特色。

80年代后，各国研究交流接触器电磁铁的无声和节电，基本的可行方案之一是将交流电源用变压器降压后，再经内部整流器转变成直流电源后供电，但此复杂控制方式并不多见。

真空接触器：真空接触器是接点系统采用真空消磁室的接触器。

半导体接触器：半导体接触器是一种通过改变电路回路的导通状态和断路状态而完成电流操作的接触器。

永磁接触器：永磁交流接触器是利用磁极的同性相斥、异性相吸的原理，用永磁驱动机构取代传统的电磁铁驱动机构而形成的一种微功耗接触器。

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National Instruments NI cDAQ-9237 DSUB 4 channel Strain/Bridge Input Module
National Instruments NI PXI-6143 PXI 16 ch Multifunction I/O Module
National Instruments NI PXI-6143 PXI 16 ch Multifunction I/O Module
National Instruments NI DAQCARD-4350 182750C-01
National Instruments NI DAQCARD-4350 182750C-01
National Instruments NI PCIe-8433/2 Serial Interface Card
National Instruments NI PCIe-8433/2 Serial Interface Card
National Instruments NI PXI-6132 Multifuntion DAQ Card
National Instruments NI PXI-6132 Multifuntion DAQ Card
National Instruments PXI-8330 / MXI-3 Multi-System Interface Module Card
National Instruments NI IMAQ PXI-1409 Image Acquisition Module
National Instruments NI IMAQ PXI-1409 Image Acquisition Module
National Instruments NI PXI-2532 512-Crosspoint, PXI Matrix Switch Module
National Instruments NI PXI-2532 512-Crosspoint, PXI Matrix Switch Module
National Instruments NI PXI-2532 512-Crosspoint, PXI Matrix Switch Module
National Instruments NI PXI-2532 512-Crosspoint, PXI Matrix Switch Module
National Instruments NI PXI-2594 RF Multiplexer Switching Module for PXI
National Instruments NI PXI-2594 RF Multiplexer Switching Module for PXI
National Instruments NI PXI-6289 M Series PXI Multifunction I/O Module
National Instruments NI PXI-6289 M Series PXI Multifunction I/O Module
National Instruments PXI-8330 / MXI-3 Multi-System Interface Module Card
NATIonAL INSTRUMENTS 6030E 100KS/S MULTIFUNCTION I/O 16 INPUTS, 16BITS (WB4)
NATIonAL INSTRUMENTS 6030E 100KS/S MULTIFUNCTION I/O 16 INPUTS, 16BITS (WB4)
[National Instruments] NI PXI-2527 192245A-01 192731B-01 TESTED Fast Shipping
[National Instruments] NI PXI-2527 192245A-01 192731B-01 TESTED Fast Shipping
National Instrumente Ni PXI-8105 Eingebettet Kontroll- (WC41)
National Instrumente Ni PXI-8105 Eingebettet Kontroll- (WC41)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ BANDWIDTH AMPLIFIER (PR5)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ BANDWIDTH AMPLIFIER (PR7)
NATIonAL INSTRUMENTS 1889890-01 Anschlussblock Modul Modell CFP-CB-1 (GY2)
NATIonAL INSTRUMENTS 1889890-01 Anschlussblock Modul Modell CFP-CB-1 (GY2)
NATIonAL INSTRUMENTS 188989E-01L Integriert Anschlussblock (GY4)
NATIonAL INSTRUMENTS 188989E-01L Integriert Anschlussblock (GY4)
NATIonAL INSTRUMENTS 188998D-01 ISOTHERMAL ConNECTOR BLOCK (GY3)
NATIonAL INSTRUMENTS 188998D-01 ISOTHERMAL ConNECTOR BLOCK (GY3)
NATIonAL INSTRUMENTS 188998D-01 ISOTHERMAL ConNECTOR BLOCK (GY3)
NATIonAL INSTRUMENTS 188998D-01 ISOTHERMAL ConNECTOR BLOCK (GY3)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Anschlussblock Fieldpoint- Neu (P2)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Anschlussblock Fieldpoint- Neu (P2)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Connector Block FieldPoint- (P1)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Connector Block FieldPoint- (P1)
NATIonAL INSTRUMENTS BNC-2095 32 Kanal BNC Anschluss Rack Halterung (S9)
NATIonAL INSTRUMENTS BNC-2095 32 Kanal BNC Anschluss Rack Halterung (S9)
NATIonAL INSTRUMENTS cFP-CB-1 Anschluss Kompakt Fieldpoint 188989C-01 (BM6)
NATIonAL INSTRUMENTS cFP-CB-1 Anschluss Kompakt Fieldpoint 188989C-01 (BM6)
NATIonAL INSTRUMENTS cFP-CB-1 Anschluss Kompakt Fieldpoint 188989E-D1L (BM3)
NATIonAL INSTRUMENTS cFP-CB-1 Anschluss Kompakt Fieldpoint 188989E-D1L (BM3)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK - LOT OF 2 (AZ24)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK - LOT OF 2 (AZ24)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK (AZ22)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK (AZ22)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK (SD)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK (SD)
NATIonAL INSTRUMENTS MODEL SCB-68 P/N 182469C-01 ConNECTOR BLOCK (WY96)
NATIonAL INSTRUMENTS MODEL SCB-68 P/N 182469C-01 ConNECTOR BLOCK (WY96)
NATIonAL INSTRUMENTS Modell NI SCXI-1167 64-CHANNEL Relais Rechts Modul (PR8)
NATIonAL INSTRUMENTS Modell NI SCXI-1167 64-CHANNEL Relais Rechts Modul (PR8)
NATIonAL INSTRUMENTS NI PXI-8105 Incorporato Controller (BV2)
NATIonAL INSTRUMENTS NI PXI-8105 Incorporato Controller (BV2)
NATIonAL INSTRUMENTS NI PXI-8336 MXI-4 FIBER OPTIC INTERFACE CARD (DQ192)
NATIonAL INSTRUMENTS NI PXI-8336 MXI-4 FIBER OPTIC INTERFACE CARD (DQ192)
NATIonAL INSTRUMENTS NI PXI-8336 MXI-4 Glasfaser Schnittstelle Karte (DQ192)
NATIonAL INSTRUMENTS NI PXI-8336 MXI-4 Glasfaser Schnittstelle Karte (DQ192)
NATIonAL INSTRUMENTS NI SCXI-1102B 32-CHANNEL 200HZ Bandbreite Verst?rker
NATIonAL INSTRUMENTS NI SCXI-1102B 32-CHANNEL 200HZ Bandbreite Verst?rker (
NATIonAL INSTRUMENTS NI SCXI-1102B 32-CHANNEL 200HZ Bandbreite Verst?rker (
NATIonAL INSTRUMENTS NI SCXI-1102B 32-CHANNEL 200HZ Bandbreite Verst?rker
NATIonAL INSTRUMENTS PCI-GPIB IEEE 488.2 Daq Karte (BR142)
NATIonAL INSTRUMENTS PCI-GPIB IEEE 488.2 Daq Karte (BR142)
NATIonAL INSTRUMENTS SCB-68 ConNECTOR BLOCK (JK1)
NATIonAL INSTRUMENTS SCB-68 ConNECTOR BLOCK (JK1)
NATIonAL INSTRUMENTS SCB-68 I/O Anschlussblock (DF9)
NATIonAL INSTRUMENTS SCB-68 I/O Anschlussblock (DF9)
NATIonAL INSTRUMENTS SCB-68 I/O Anschlussblock (FX48)
NATIonAL INSTRUMENTS SCB-68 I/O Anschlussblock (FX48)
NATIonAL INSTRUMENTS SCB-68 I/O Anschlussblock (Y5)
NATIonAL INSTRUMENTS SCB-68 I/O Anschlussblock (Y5)
NATIonAL INSTRUMENTS SCB-68 I/O Blocco Connettore (DF10)
NATIonAL INSTRUMENTS SCB-68 I/O Blocco Connettore (DF10)
NATIonAL INSTRUMENTS SCB-68 I/O ConNECTOR BLOCK (DF12)
NATIonAL INSTRUMENTS SCB-68 I/O ConNECTOR BLOCK (DF12)
NATIonAL INSTRUMENTS SCB-68 P/N 182469-01 ConNECTOR BLOCK (JQ2)
NATIonAL INSTRUMENTS SCB-68 P/N 182469-01 ConNECTOR BLOCK (JQ2)
NATIonAL INSTRUMENTS SCB-68 P/N 182469-01 ConNECTOR BLOCK (JQ4)
NATIonAL INSTRUMENTS SCB-68 P/N 182469-01 ConNECTOR BLOCK (JQ4)
NATIonAL INSTRUMENTS SCB-68 Scudo I/O Blocco Connettore (RE2)
NATIonAL INSTRUMENTS SCB-68 Scudo I/O Blocco Connettore (RE2)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (DA130)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (DA130)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (RE2)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (RE2)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (RE2)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (RE2)
NATIonAL INSTRUMENTS SCXI-1100 P/N 776572-00 - Neu IN Karton (NA1)
NATIonAL INSTRUMENTS SCXI-1100 P/N 776572-00 - Neu IN Karton (NA1)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ Bandbreite Verst?rker (PR6)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ Bandbreite Verst?rker (PR6)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ BANDWIDTH AMPLIFIER (PR5)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ BANDWIDTH AMPLIFIER (PR5)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ BANDWIDTH AMPLIFIER (PR5)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Bandbreite Verst?rker (PR7)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Bandbreite Verst?rker (PR7)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ BANDWIDTH AMPLIFIER (PR7)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Larghezza di Banda
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Larghezza di Banda
NATIonAL INSTRUMENTS SCXI-1303 Isothermal Klemmleiste (S7)
NATIonAL INSTRUMENTS SCXI-1303 Isothermal Klemmleiste (S7)
National Instruments TB-4300B Pxi Analog Eingang Modul (#12)
National Instruments TB-4300B Pxi Analog Eingang Modul (#12)
NATIonAL INSTRUMENTS VXI TB-196 P/N 183777A-01 TERMINAL BLOCK (YU)
NATIonAL INSTRUMENTS VXI TB-196 P/N 183777A-01 TERMINAL BLOCK (YU)
NATIonAL INSTRUMENTS VXI TB-196 P/N 183777A-01 TERMINAL BLOCK (YU)
NATIonAL INSTRUMENTS VXI TB-196 P/N 183777A-01 TERMINAL BLOCK (YU)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Bloc Connecteur Fieldpoint- Neuf (P2)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Bloc Connecteur Fieldpoint- Neuf (P2)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Bloque Conector Fieldpoint- Nuevo (P1)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Bloque Conector Fieldpoint- Nuevo (P1)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Bloque Conector Fieldpoint- Nuevo (P2)
NATIonAL INSTRUMENTS 778618-01 cFP-CB-1 Bloque Conector Fieldpoint- Nuevo (P2)
NATIonAL INSTRUMENTS cFP-CB-1 Connecteur Compact Fieldpoint 188989E-D1L (BM2)
NATIonAL INSTRUMENTS cFP-CB-1 Connecteur Compact Fieldpoint 188989E-D1L (BM2)
NATIonAL INSTRUMENTS cFP-CB-1 Connecteur Compact Fieldpoint 188989E-D1L (BM3)
NATIonAL INSTRUMENTS cFP-CB-1 Connecteur Compact Fieldpoint 188989E-D1L (BM3)
National Instruments cFP-CB-1 Connector Compact FieldPoint 188989E-D1L (BM3)
National Instruments cFP-CB-1 Connector Compact FieldPoint 188989E-D1L (BM3)
National Instruments Modelo SCB-68 Yo / O Bloque Conector - Lote De 2 (AZ24)
National Instruments Modelo SCB-68 Yo / O Bloque Conector - Lote De 2 (AZ24)
NATIonAL INSTRUMENTS NI PXI-8105 Embarqué Contr?leur (BV2)
NATIonAL INSTRUMENTS NI PXI-8105 Embarqué Contr?leur (BV2)
NATIonAL INSTRUMENTS PCI-GPIB IEEE 488.2 Daq Carte (BR142)
NATIonAL INSTRUMENTS PCI-GPIB IEEE 488.2 Daq Carte (BR142)
NATIonAL INSTRUMENTS SCB-68 Blindado Yo / O Bloque Conector (RE3)
NATIonAL INSTRUMENTS SCB-68 Blindado Yo / O Bloque Conector (RE3)
NATIonAL INSTRUMENTS SCB-68 Blindé I/O Bloc Connecteur (RE2)
NATIonAL INSTRUMENTS SCB-68 Blindé I/O Bloc Connecteur (RE2)
NATIonAL INSTRUMENTS SCB-68 I/O Bloc Connecteur (DF14)
NATIonAL INSTRUMENTS SCB-68 I/O Bloc Connecteur (DF14)
NATIonAL INSTRUMENTS SCB-68 I/O Bloc Connecteur (DF9)
NATIonAL INSTRUMENTS SCB-68 I/O Bloc Connecteur (DF9)
NATIonAL INSTRUMENTS SCB-68 Yo / O Bloque Conector (DF9)
NATIonAL INSTRUMENTS SCB-68 Yo / O Bloque Conector (DF9)
NATIonAL INSTRUMENTS SCB-68 Yo / O Bloque Conector (FX48)
NATIonAL INSTRUMENTS SCB-68 Yo / O Bloque Conector (FX48)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ Bande Passante Ampli (PR6)
NATIonAL INSTRUMENTS SCXI-1102B 32-CHANNEL 200HZ Bande Passante Ampli (PR6)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Ancho de Banda Aumento (PR7)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Ancho de Banda Aumento (PR7)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Bande Passante Ampli (PR7)
NATIonAL INSTRUMENTS SCXI-1102C 32-CHANNEL 10KHZ Bande Passante Ampli (PR7)
NATIonAL INSTRUMENTS SCXI-1303 Isotherme Terminal Bloc (S7)
NATIonAL INSTRUMENTS SCXI-1303 Isotherme Terminal Bloc (S7)
National Instruments TB-4300B Pxi Analogique Entrée Module (#11)
National Instruments TB-4300B Pxi Analogique Entrée Module (#11)
NATIonAL INSTRUMENTS VXI TB-196 P/N 183777A-01 Terminal Bloc ( Yu)
NATIonAL INSTRUMENTS VXI TB-196 P/N 183777A-01 Terminal Bloc ( Yu)
NATIonAL INSTRUMENTS MODEL SCB-68 I/O ConNECTOR BLOCK (AZ22)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (DA130)
NATIonAL INSTRUMENTS SCB-68 SHIELDED I/O ConNECTOR BLOCK (RE2)
NATIonAL INSTRUMENTS SCB-68 Blindé I/O Bloc Connecteur (RE2)
NATIonAL INSTRUMENTS SCB-68 I/O Bloc Connecteur (DF14)
NATIonAL INSTRUMENTS SCB-68 I/O Bloc Connecteur (DF9)
National Instruments NI PXI-4461 2-Input/2-Output Dynamic Signal Analyzer
NATIonAL INSTRUMENTS Shielded Cable 184749C-01 1 Meter Server Coms
Averna 760 PRODR-70015 02V1-Unit
Averna 760 PRODR-70015 02V1-Unit
Averna Dynamic Range Extender PRODR-70003 03V1-Unit URT-DRX
Averna Dynamic Range Extender PRODR-70003 03V1-Unit URT-DRX
Controllore real time National Instrument CRIO9004
Controllore real time National Instrument CRIO9004
For National Instruments NI PXI-8331 Interface Card Module Acquisition Card
For National Instruments NI PXI-8331 Interface Card Module Acquisition Card
For National Instruments NI PXI-8331 Interface Module Acquisition Card Module
For National Instruments NI PXI-8331 Interface Module Acquisition Card Module
Lot 50 DUAL VHDCI Connector PCB PC Boards National Instruments 780390-01
Lot 50 DUAL VHDCI Connector PCB PC Boards National Instruments 780390-01
National Instrument cDAQ-9184 / 152778D-01L / 4-Slot CompactDAQ Chassis
National Instrument cDAQ-9184 / 152778D-01L / 4-Slot CompactDAQ Chassis
NATIonAL INSTRUMENTS 778289-01 IN BOX
National Instruments (NI) PCI-6503 DAQ Card - 185183C-01
National Instruments (NI) PCI-6503 DAQ Card - 185183C-01
National Instruments 181065J-01 GPIB-PCII/IIA Interface Card
National Instruments 182920K-01 Digital I/O Interface Card
National Instruments 182920K-01 Digital I/O Interface Card
NATIonAL INSTRUMENTS 184411C-01 PCI-6071E (MIO-64E-1) MULTIFUNCTION DAQ CARD
NATIonAL INSTRUMENTS 184411C-01 PCI-6071E (MIO-64E-1) MULTIFUNCTION DAQ CARD
National Instruments 185816G-01 Image Acquisition Card NI IMAQ PCI-1411
National Instruments 185816G-01 Image Acquisition Card NI IMAQ PCI-1411
National Instruments 187570B-02 PCI-6024E DAQ CARD
National Instruments 187570B-02 PCI-6024E DAQ CARD
National Instruments 187573C-01
National Instruments 187573C-01
National Instruments 191790C-02 DAQPad-6015 Multifunction DAQ (#3263)
National Instruments 191790C-02 DAQPad-6015 Multifunction DAQ (#3263)
National Instruments 194213B-01L NI PCIe-8255R (#3325)
National Instruments 194213B-01L NI PCIe-8255R (#3325)
National Instruments 198859C-01L NI 9237 Module w/ HALO TGMR-355NA5 (2pcs) As Is
National Instruments 198859C-01L NI 9237 Module w/ HALO TGMR-355NA5 (2pcs) As Is
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