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IMFEC12
IMFEC12
IMFEC12
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低压断路器也称自动开关或自动空气断路器。它是一种既能作开关用,又具有电路自动保护功能的低压电器。
(1)断路器有三大部分组成:
触头和灭弧系统——通断电路的部件
各种脱扣器——检测电路异常状态并作出反应,即保护性动作的部件;
操作机构和自动脱扣机构——中间联系部件。
结构图中触点2有三对,串联在被保护的三相主电路中。手动扳动按钮为“合”位置(图中未画出),这时触点2由锁键3保持在闭合状态,锁键3由搭钩4支持着。要使开关分断时,扳动按钮为“分”位置(图中未画出),搭钩4被杠杆7顶开(搭钩可绕轴5转动),触点2就被弹簧1拉开,电路分断。
自动开关的自动分断,是由电磁脱扣器6、欠压脱扣器11和热脱扣器12使搭钩4被杠杆7顶开而完成的。电磁脱扣器6的线圈和主电路串联,当线路工作正常时,所产生的电磁吸力不能将衔铁8吸合,只有当电路发生短路或产生很大的过电流时,电磁吸力才能将衔铁8吸合,撞击杠杆7,顶开搭钩4,使触点2断开,从而将电路分断。
HALMAR ROBICON 560290.00 560290 00 9017 9343 CONTROL BOARD WITH 362694
CENTRALP AUTOMATISMES 650242SB 32 SORTIES TOR 24V 100522
FOXBORO 44BP PNEUMATIC
FISCHER & PORTER 53ST 3111RAX
HONEYWELL 9782C-S0-C3-E1000-BD 120/240VAC 50/60Hz 0-60C
Videojet Technologies 358161-B 358160c
SIEMENS R1-106-100-531 IS.04
TOSHBIA CIRCUIT BOARD VT3D-2035 2N3K2035-D
ALLEN BRADLEY OVERLOAD RELAY 592-EC2PC SER. C
ALLEN BRADLEY OVERLOAD RELAY 592-EC2PC SER. B
ANTEC NETWORK TECHNOLOGIES 0212RRS000009232A 253897
NORGREN AIR BREAK CLAMP EC63DA1X66M90A 112443/30 EC63D-A-1-X66M-90A-R-90-10-0
ROCHESTER INSTRUMENT SYSTEMS CIRCUIT BOARD TM-2479I23-C6 2504-258 2550-408
PRECISION SCIENTIFIC DIGITAL I/O CIRCUIT BOARD CARD REV.E 00971901 00972001
PARKER VALVE DB223MTF 10 BAR
BORRI CIRCUIT BOARD CARD JUE301141-C RBPHC16 JRD303712
ABB FISHER & PORTER CIRCUIT BOARD CARD 686B387U02
FESTO FILTER REGULATOR 162687 K.7326 V SA-200229 LFR-D-MINI 12 BAR 171 PSI L122
FESTO FILTER REGULATOR 162687 K.7326 V SA-200229 LFR-D-MINI 12 BAR 171 PSI L122
FESTO REGULATOR 162687 LFR-D-MINI MC-2-1/8 101281 0071 1330079196 230 PSI
MYRICOM CIRCUIT BOARD CARD M3-SW32-16F
SEMITOOL CIRCUIT BOARD CARD 14873 2601800 260180003/00 REV.B 14873-01-0025
ASCO VALVE 8210B78 PIPE 1" 120V 120 V
Bailey zt001 TC/RTD/MV RECEIVER 120VAC
SIEMENS FIELD INTERFACE MODULE 505-7202 5057202
PBC Pacific Bearing Co Bearing Assembly HVB-055/HVP1
NEW PANALARM RILEY 9IAF1T125DC8GP 090-0062-5-03-N
Allen Bradley AB 1336 Plus Drive 1336S-BRF10-AA-EN4-HA2-L6
PEPPERL+FUCHS VAN-115/230AC-K16 PO 129377 115/230V
TFM Tulsa Fluid Measurement FME-500
WESTINGHOUSE 15815K2CNNA 15815K2CNN
GENERIC 463121-0023
GENERIC 463121-0013
FOXBORO PEN MOTOR DRIVE CO131UL
SIEMENS SITOP DC UPS POWER SUPPLY 6EP1931-2FC21
FISHER ROSEMOUNT PEERWAY BUFFER 01984-1502-0001
NEW ENERPAC RWL-33-OHOC HYDRAULIC Double-Acting CLAMP RWL 33 RWL-33
NSA WESTEX INDURA ARC 12 107582 D-2 ULTRA SOFT
SIMPSON M235-1-0-46-0 0A-5A M23511 AC
FISHER ROSEMOUNT CIRCUIT BOARD CARD DM6461X1-B1
ROSEMOUNT SMART TRANSMITTER 3051/3001 3051CD2A02A1AC1H2 03031-0001-0002
ABB ASEA CIRCUIT BOARD CARD DSPA110 YB161101-CK
ABB ASEA CIRCUIT BOARD CARD DSPA110 YB161102-AK/2
BANNER MSR3624Y .75" 19mm
UNITED ELECTRIC F402-6BS-9346 TEMPERATURE SWITCH F402-6BS
TELEMECANIQUE CN1-GC133 125A 600V
SANYO SVNM-DR3-180 9812038 BA02R-10