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一、误遥信的原因分析和改进
在远动系统中，接点量遥信由设备的无源空接点接入RTU装置，通常包括断路器开关量、电磁继电保护装置的出口信号、异常报警信号和非电气量遥信。经过分析，认为导致接点量误遥信有下面几方面原因。
1. 遥信电压偏低导致误遥信
在远动系统投运初期，遥信回路采集电压为直流24V，在一段时间的运行后，体现出以下不足：
(1) 遥信信号抗干扰能力差
由于大量在旧站改造中使用的二次遥信电缆未带屏蔽层，设备处于强电、磁场运行环境中时，信号回路上会感应较强的干扰信号（幅值大于24 V），产生误遥信。在变电站事故环境下，回路感应产生干扰的机率更大。
(2) 继电器触点的工作电压（220 V），与遥信回路工作电压不匹配当触点发生氧化或接触不良现象，触点接触电阻增大。如果直流24V电压不能击穿氧化层，则无法反映遥信变位。
因此，在随后的自动化改造和工程中开始使用带屏蔽的控制电缆，并将遥信电压从直流24V调整为直流220V，对于运行中的RTU设备，可利用一种直流220V信号转换端子板，将直流220V降压成直流24V并加以光电隔离。这样可以减少由于触点接触电阻增大导致的误遥信，同时减少强电磁场的干扰。
2. 二次系统自身原因导致误遥信
由于部分无人值班变电站是在原来有人值班变电站的基础上改建的，原二次系统的一些欠缺以及设备运行的不稳定，导致了一定量的误遥信。
(1) 继电器瞬动触点导致遥信丢失
在旧站远动改造时，DX—4A /4XX系列信号继电器2对常动触点分别接入“掉牌未复归”信号回路和中央信号光字牌。遥信触点只能使用瞬动触点作为遥信源。
实际运行中，我们发现瞬动触点并不适合作为遥信输出，主要原因：（1）遥信同时采用常动和瞬动触点，不利于调度员正确掌握系统运行状态，容易作出错误判断，将瞬动触点遥信误当作遥信抖动；（2）由于RTU装置的遥信去抖动延时不能单独设置和瞬动触点氧化等多种因素干扰，接入瞬动触点的遥信量丢失现象较为严重。
(2) 断路器设备辅助触点工作异常
断路器开关遥信，一般取自操作机构的辅助触点，当断路器操作一定次数以后，辅助触点的机械传动部分可能会出现间隙；开关动作时的振动有可能造成辅助触点接触不良或不对位；辅助触点表面的氧化也会造成接触不良，使其在接触的过程中可能时断时通。以上三种原因都有可能导致遥信的误动、拒动或频繁抖动。
此外，一些型号的110kVSF6开关的辅助气体密度继电器误动现象严重，导致了“SF6压力低”，误遥信频繁误发，最严重时误发频度可达28次/h。
(3) 遥控复归导致遥信抖动
当无人值班变电站中央信号掉牌时，调度员有时需要遥控复归中央信号。当调度员确认，变电站发出的信号对站端中央信号回路进行复归时，站内所有信号继电器复归线圈均通电动作。DX - 4A /4XX系列信号继电器属于电磁脱钩型机械结构，复归线圈正常时不带电，通电时则动作复归继电器。线圈动作有可能令触点产生误动和误遥信。针对上述现象，我们加强了和继保部门的沟通，协助对二次系统进行了相应的改进。
在远动系统中，接点量遥信由设备的无源空接点接入RTU装置，通常包括断路器开关量、电磁继电保护装置的出口信号、异常报警信号和非电气量遥信。经过分析，认为导致接点量误遥信有下面几方面原因。
1. 遥信电压偏低导致误遥信
在远动系统投运初期，遥信回路采集电压为直流24V，在一段时间的运行后，体现出以下不足：
(1) 遥信信号抗干扰能力差
由于大量在旧站改造中使用的二次遥信电缆未带屏蔽层，设备处于强电、磁场运行环境中时，信号回路上会感应较强的干扰信号（幅值大于24 V），产生误遥信。在变电站事故环境下，回路感应产生干扰的机率更大。
(2) 继电器触点的工作电压（220 V），与遥信回路工作电压不匹配当触点发生氧化或接触不良现象，触点接触电阻增大。如果直流24V电压不能击穿氧化层，则无法反映遥信变位。
因此，在随后的自动化改造和工程中开始使用带屏蔽的控制电缆，并将遥信电压从直流24V调整为直流220V，对于运行中的RTU设备，可利用一种直流220V信号转换端子板，将直流220V降压成直流24V并加以光电隔离。这样可以减少由于触点接触电阻增大导致的误遥信，同时减少强电磁场的干扰。
2. 二次系统自身原因导致误遥信
由于部分无人值班变电站是在原来有人值班变电站的基础上改建的，原二次系统的一些欠缺以及设备运行的不稳定，导致了一定量的误遥信。
(1) 继电器瞬动触点导致遥信丢失
在旧站远动改造时，DX—4A /4XX系列信号继电器2对常动触点分别接入“掉牌未复归”信号回路和中央信号光字牌。遥信触点只能使用瞬动触点作为遥信源。
实际运行中，我们发现瞬动触点并不适合作为遥信输出，主要原因：（1）遥信同时采用常动和瞬动触点，不利于调度员正确掌握系统运行状态，容易作出错误判断，将瞬动触点遥信误当作遥信抖动；（2）由于RTU装置的遥信去抖动延时不能单独设置和瞬动触点氧化等多种因素干扰，接入瞬动触点的遥信量丢失现象较为严重。
(2) 断路器设备辅助触点工作异常
断路器开关遥信，一般取自操作机构的辅助触点，当断路器操作一定次数以后，辅助触点的机械传动部分可能会出现间隙；开关动作时的振动有可能造成辅助触点接触不良或不对位；辅助触点表面的氧化也会造成接触不良，使其在接触的过程中可能时断时通。以上三种原因都有可能导致遥信的误动、拒动或频繁抖动。
此外，一些型号的110kVSF6开关的辅助气体密度继电器误动现象严重，导致了“SF6压力低”，误遥信频繁误发，最严重时误发频度可达28次/h。
(3) 遥控复归导致遥信抖动
当无人值班变电站中央信号掉牌时，调度员有时需要遥控复归中央信号。当调度员确认，变电站发出的信号对站端中央信号回路进行复归时，站内所有信号继电器复归线圈均通电动作。DX - 4A /4XX系列信号继电器属于电磁脱钩型机械结构，复归线圈正常时不带电，通电时则动作复归继电器。线圈动作有可能令触点产生误动和误遥信。针对上述现象，我们加强了和继保部门的沟通，协助对二次系统进行了相应的改进。
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CP30B
CP40
AD908AC FBM202 一体化端子
AD916AE FBM203 一体化端子
AD908AA FBM201 一体化端子
AD916AG FBM204 一体化端子
P0961BS-OC
P0922YU
P0926HF(底盘）
P0926JM-0A
CP40B
CP60
P0916AG 0C
FCM10E
P0916FJ
P0917LE
TRICONEX 2700 2700-2
3008
3502E
3503E
3604E
3805E
3625
3703E
3601E
2658
2551
4119A
4351A
9662-110
3511
3721
4329
3700A
8312
9853-610
9563-810
9761-210
4000103-510
KJ4001X1-BA2
KJ3221X1-BA1
KJ4001X1-CA1
KJ4001X1-CC1
KJ2231X1-EA1
FX-490
IBS RT 24 DIO 16/16-T
IBS S5 100 CB-T
IBS RT 24 DI 16-T
SIMATIC 545-1104
6ES5946-3UR21
6ES5927-3SA12
6SE1200-1DA20-0
6ES7331-7PF01-0AB0
6ES5460-4UA12
6ES5453-4UA12
6ES5431-4UA12
6ES5470-4UA12
6ES5946-3UA22
6ES5946-3UA23
6ES5312-3AB31
6DD1600-0BA1
6DD1683-0BC5
6DD1688-0AD0
6ES5535-3LB12
6GK1543-1AA01
6SN1117-0DG21-0AA1
6SN1145-1BB00-0FA1
6SN1118-0AA11-0AA1
6ES7414-1XG02-0AB0
6ES7414-4HJ04-0AB0
6ES7414-3XJ04-0AB0
6ES7414-3XJ00-0AB0
7UT5131-5CB01-1BA0/KL
7KG6000-8AB/
6GT2002-0AA00
6DS1723-8BB
6DS1717-8CC
6DS1731-8DD
6AR1304-0CA00-0AA0
6SE7041-8EK85-1HA0
6RA2485-6GV62-0
6DS1723-8RU
6DS1703-8AB
6DR2100-5
RS232
383VA21N1F
39ACM24BEN
39ACM14CAN
39VIMNBN
39RTMCAN
39SAMCAN
RMS-TSG-TZ-C
RMS-TSIG-TZ-C
39SDM024DCCBN
39PSMNAN
39VIMCCN
39PSR2ANCN
39VIMCBN
3NE3338-8
QLSAMBAN
3TE4602-5A
15738-119
6ES7634-2BF02-OAE3
549-616
549-613
6AR1302-0AC00-0AA0
6AV8100-1BB00-0AA1
6RX1240-0AK01
6SE6400-0BP00-0AA1
6ES7422-1BL00-0AA0
6ES7432-1HF00-0AB0
6SE7038-6GL84-1JA1
1FK7083-5AF71-1UH5
PN：15377-4FM
PS02-3005
HJD63F400
PS02-3001V5.00
6DR2001-1
6EW1860-3AA
16137-122
16169-1-7
16187-1-1
16135-21-2
16147-51-2
MP14B-527 6AV1122-2BA00
16168-1-1
16267-1-4
16267-1-2
16066-41-2
A5E00163856 KS04 00370397-03
P/N 562-001
P/N 545-714
16413-1-3
505-6660B
505-4916
505-4816
6FC5357-0BB25-0AB0
6FC5103-0AB03-OAA3
6AU1435-0AA00-0AA1
6DD1660-0AE0
TI505-6660
901B-2555-A
6DD1642-0BC0
353A4F1NNNTNNA4
6ES5526-3LG0
6ES5928-3UA11
6GK1143-0TA00
6ES5947-3UA22
6EC1000-3A
6EC1040-3A
HHED63B080L
A5E02625805-H2
6ES5947-3UR21
549-214
6ES5948-3UA11
6ES5948-3UR23
771-3STF2
315-2AG12
240-1CA00
JW-24AD
JW-22PU
LQ150X1DG11
EP3*A
ER5*B
PC10031
EH1*A
DKC10.3-008-3-MGP-01VRS
DKC10.3-018-3-MGP-01VRS
DKC10.3-012-3-MGP-01VRS
MAC093B-0-JS
TDM3.2-030-300-W1
TDM3.2-020-300-W0
TDM1.2-30-300-W1
BGR-NTB-02-00
VT3000-36
VT3006S35
5610102050
VT-VSPA1-1-F10
VCP05.1BSN-PB-NN-PW
0360-500-00
F4-16AD-2
777978-VM
E0227-702-009
SB1381-B-E-R-A-PM
L5203-2-00
57C404C
SS4437P
586-501-109
57C405-E
0-51851-5
3050
CPU XVME-674
XVME-244
XVME-531
XVME-564
XVME-601
XVME-976
9000-EXP
NCR-DAB0A2D-401B
PA-3406D-E
NDS-501B
PS-3306D-E
MAC-B343-GM60
WDP5-118.05100
URDM 5910/50 LWC
WD5-008.051-00/3
WD3-007.0501
RDM 545/100 LHA
TLC532F / TLC5322F212141
ET-125-RS422 FP
ET-125-RS422
0444TK1U1B2NA
KF-5-10
C204/232
D-64711
9311/54-11-00
SYS68K CPU-30BE/16
TC-PRS021/E
TC-PPD011
TC-PRR021
TC-IXR061
621-9940
TC-IAH061
MET2-MC/4
15350-00050
938-02
51309355-001
41221-0001-11
LCNP4M 51403776-100
51301874-100
CC-PCNT01
CB1086DPA0000
F-DMDM-PM-110E
DMF-P V3
SST-DN3-PC1-1-E
6K8 8-Axis
HSSI-ED2
OEM750
COMPAX-S CPX8541S/F4
LE4-108-XD1
PS416 CPU-400
COMPAX 2500S
MVI71-ADM
MVI71-AFC
MVI71-MNET
MVI46-MBP
MVI46-MNET
MVI46-PDPMV1
MVI69-ADMNET
MVI69-ADM
MVI56-MCM
MVI56-ADM
MVI56E-MCM
MVI56-DFCMR
MVI56-CSC
MVI56-PDPMV1
MVI56-PDPS
MVI56-DFCM
3150-MCM
PTQ-PDPMV1
PS69-DPM
C50D01VX
HT401-222/NCO-4/0/21049
K2-200
DI325
DI260/A
D0272/A
AM299/A
FM280/A
ADEPT AWCII 040
SST-PFB-CLX
SST-PB3-CLX
SST-IBS-CLX
5136-PFB-ISA
5136-PFB-VME
5136-PBMSLV
SST-PFB-PLC5
2214-30SLQTC
1107P
KPS-600/20-ESC
ESC-PLATINE
PH1003-2840
KVGA 1.0
KPS-600/20-REL
LS1 D2531A65
KCP2
KSD1-16
KSD1-32
KCP2 00-163-784
KSD1-48
KSD1-64
MA-0186-100
AM-SA85-000
CP6000
UFS-22
FC-PA780C
MVME5100
MVME162-012
SC904-001-01
SC752A001-01
SC753A-001-01
BLF2924-12-0-S-002
PM2A-300
E6C-AB4B
CPM1A-30COR-A-V1
3G8F5-CLK01
E5AK-TAA2
DCVR-3 SC-68224
C500-AD501-EU
JX-300XDCS SP364
RCS-C-SM-1-100-1-P
253B-1-40-1
651CD2S1N
690A11TRA
690A13TRA
626A01TDE
622A1TDE
JEPMC-PL200
JEPMC-CP200
PAC300-R
W2S107-AB05-13
H6142-05
HTS541280H9AT00
PC2700P-25330-Z(内存条）
SUPER AKI-80
MC-7514
IS2020RKPSG3A
1957/26
Switch 3300 24 port 3C16980
CBEA-LHN-XAW/S
TM-200
VMS-2110-120
VMS-2110-24
NCV-20NGNVP
MTL662
AST 3P
BXi4/2-01-B
NCV-20NBNMP
MRE-G128SP062FAC
BKDC-16-0045
MD01R-02 0042
33A BKDC16-T
BWU1568 AS-i 3.0
527-003-250
MKS628
IBS S5 100 CB-Y
FP-TB-1
MPS-510 I-829037A
60X7/14
VM100/R-TA
K12020
R880-03F
PCD4.M145 CPU
PCD6.A400
PCD2.M120
PCD2.M150
PCD1.M110
PCD2.C100
PCD2.k110
CE-08-42-00-29-0
FR-D720S-0.75K-CHT
HC-KFS23
HC-KFS43
MR-J2S-40A
ETOP33C-0050
MR-J2S-20A
HA24PHI808
OC-PC20-V0000
VCIB-16A
WPM311.03400
TEU325-Ex
TZN124-Ex
BC52-P
AT-270
BSM 28120A-R2.4
GNM2636 A-G1.4
ENRZ-AU30
ENRZ-AU40-20
PQC-CU-02
FC280SAV
031-00940E-001
BA4/30-50-310
AT-H500 PB-0720-A
T8461
PCA1.M41M4
TSI508N202
PEAK760VL2 4BP00760D1X0
LAC-1
IBX-2726C
IFRK 93/4-100 L.2
ABC-EIP
GM9414J494
MSSR-32
MDB-64
KPCI-PIO32IOA
V604 604-112
VM 100/R
1070080132-103
SM 5/10-TC1
WV60-RGC2
VM300
PMC-3101-BP
TEACHING PENDANT SUS CORP.
RKP-PQ 0811405110
JWS300-24
JWS300-15
JWS600-24
RT1-TP/FL
FMU671
GP2500-TC41-24V
MINIMMAC MULTIMDIA ACCESS CENTER
RDC2
SKP326-2
USAHEM-01-TL11
USAHEM-01-TL31
USAHEM-01-TL41
CP-9200SH/SVA JACP-921900
CP-9200SH/CPU
JANCD-NCP01
SGMSH-15ACA-TV11
RH1-TP/FL
RS2-TX
D-35614
Ni25U-CK40-AP6X2-H1141
PRG3
PS3DC
APR -4
PCS 810-1
BRU-105
PT40-H404-1-02C
TM-31T
6SM57M-3.000
MSXB048-02-E2
FA-100EN
NP53*A
NP53*C
GMSV36-01-D 91/096D/E
SCTUST21
USP 2I
LZB22A049-11
CA20-M40A
A02B-0303-C074
VREL-11M
MCS20-230/24
MX-CS101-401
COM5V2
C-5ver3
C-5S VER.3
VG-823
RB-614C
CTA10.1B-000-FW
DNX-1164
TVD 1.3-15-03
TDM 2.1-30-300-W1
BTV06 1HN-RS-FW
AT200-LP
DNX1232
P70360-SDN
PSR4/5A-220-0003
ASML/SVG 859-0399-002 00-S0613-038
DIGIFAS 7202
FE6S20-D3
SEKIDENKO OR4000T
SX/12-1
GM9413-3
MSM0606
940622127011
HAD 4740-B-600-087
SK1092-10
1755TPMPS1700
PB0712
PS4-201-MM1
PSK30-1515
PSK50-1515
803.65.00DWK
PD-4B
211QS50003
211QS50417
7DM465.7
8V1022.00-2
AM227M-0000
SRCX-05
SRCH05
M093-FD-347
SCB-68
SHC68-68-EPM
PCI-6251
2H17SH-KS02
HIOKI 2001 1321A500
TR-G5000
UFS-22
MPU-4B
LP-DIS60U00-C
AP-102-13-11
ADKF50B5SE
HSSI-ED2
LCA 265
T8403
D3-340
D3-05B-1
MINP8+
TEBECHOP 1800
0950-2528 PS210A-0101
A5MT510
10000417H
SCM-1
P430
101T-1250-4-2
QUARTECH 9113-1-1
COMI-LX508
KCPU0018-00
VPM-8100LVQ-000
SV206N07M
EBM 415VAC .093/.087A 50/60Hz RADIAL COOLING FAN R2D190-AC08-10 *NEW*
FANUC ROBOTICS S420i POWER CABLE A660-2004-T205 *NEW*
OMRON 240VAC, 20A SOLID STATE RELAY G3NA-220B-UTU
ALLEN BRADLEY 24VDC COIL RELAY 700DC-F400J SER. C *LOT OF 10*
SIEMENS SIRIUS CLASS 20 50-200A RELAY 3RB1055-2FG0
WHEDCO SERVO MOTOR CONTROLLER CMC-2071-1-B / 78004085
ATLAS COPCO TENSOR-S DRIVE MODULE S7-CTAD-BT-115
SQUARE D 24VDC COIL RELAY RSD14V53 *LOT OF 5*
ALLEN BRADLEY GRAND TRRANSFORMERS STEP-DOWN TRANSFORMER 155884 1391-T035DT *NEW*
HONEYWELL TEMPERATURE CONTROLLER UDC2000 MIN-PRO DC200H-0-000-1D?0000-0
IR INTERNATIONAL RECTIFIER 400-1600V 80A STANDARD DIODE MODULE IRKD71-04
SQUARE D TYPE X 8-POLE 24VDC COIL INDUSTRIAL CONTROL RELAY 8501XDO80 SER. A
MICHAEL RIEDEL 3x440-480V TO 24VDC STEP-DOWN TRANSFORMER RDRKL 60 K
OMEGA MAGNETEK 48V 13A DC POWER SUPPLY MG3-1J-1J-PR-F1?00 *NEW*
ATC SERIES 319 120V ON DELAY ADJUSTABLE TDR SECOND TIMER TDR SS 319B 001
SCIEMETRIC SigMETER ANALYSIS & TEST SYSTEM PANEL METER MODEL 1102 *NO CASE*
IFM ELECTRONIC 31,6VDC, 240mA 4 PORT INTERFACE MODULE M12 4DI IP67
SCHNEIDER LEXIUM 480V, 50/60Hz, 42A 3-PHASE EMC FILTER AM0EMC118
SIEMENS 48-127VAC, 70-150VDC SURGE SUPPRESSOR 3RT1926-IBC00 *NEW, LOT OF 3*
ALLEN BRADLEY 24VDC GENERAL PURPOSE RELAY 700-HF34Z24 SER. B W/ BASE *LOT OF 3*
GRAYHILL 3-30VDC 140VAC 6A SOLID STATE RELAY 70S2-04-B-06-N
CUTLER HAMMER 18A 110/120V COIL SIZE 0 MOTOR STARTER AN16BN0 SER. A1
GENERAL ELECTRIC 240V POWER SUPPLY TRANSFORMER UNIT LAMP SOCKET CR104PXG23 *NEW*
ALLEN BRADLEY 24VDC COIL 600VAC MAX CONTROL RELAY 700-CF400DJ *LOT OF 3*
TELEMECANIQUE 24VDC COIL 10A CONTROL RELAY CA3SK20 W/ LA4SKE1E *LOT OF 10*
NATIONAL ELECTRONICS M34KDD0X11 CRT , NIB
SIEMENS SCALANCE X204IRT SIMATIC NET ETHERNET SWITCH 6GK5204-0BA00-2?BA3
MAGNETROL THERMAL DISPERSION FLOW/LEVEL SWITCH TD1-2D00-030/TE?B-A3T0-002
ALLEN BRADLEY 3.73kW/5HP PRESET SPEED CONTROLLER 160-BA10NPS1 SERIES C FRN. 7.04
ALLEN BRADLEY 24VDC COIL STARTER 190S-ANDJ2-CB25?C SER. B
ALLEN-BRADLEY 110-120VAC 0.1-2 SECOND SOLID STATE TIMER 700-PSA1 SER. A
ASAHI KEIKI PANEL-MOUNT +/_19.99V DC VOLTMETER AP-201A-13
ALLEN BRADLEY NON REVERSING SAFETY CONTACTOR COMPLETE DEVICE 100S-C09ZJ14C
TELEMECANIQUE 24V DC CONTROL RELAY CA3 DN22BD *NEW IN BOX*
TOSHIBA 20HP TRANSISTOR INVERTER AC DRIVE VFS7-4150UPLH
ALLEN BRADLEY 24VDC COIL DIRECT DRIVE MASTER CONTROL RELAY 700S-DCP620Z24 SER. D
WHEDCO SERVO MOTOR CONTROLLER CMC-2071-1-B-MO?D / 78004467
SCR POWER CONTROL SPECIALIST PHASETRONICS 1P1-1220-KC RECTIFIER, NNB
DAYKIN 1000VA 480V TO 120V STEP-DOWN DISCONNECT TRANSFORMER MDGTB-05
MITSUBISHI ELECTRIC 240VAC 15A 3-POLE NO-FUSE BREAKER NF-SF3015
TELEMECANIQUE integral 18 24V COIL REVERSING STARTER LD5-LB130 / LB1-LB03P07
HOTTINGER BALDWIN MESSTECHNIK DC MEASUREMENT AMPLIFIER CARD MGT 31 GR S38
TAPESWITCH ZCA-1 AUTO RESET ZONE MONITORING CONTROLLER B121005CH,SPL
ALLEN BRADLEY 110/115-120VAC COIL 27A SIZE 1 STARTER 520F-BOD- XXX-XXX SER. W
SIEMENS 24VDC COIL 90A HEAVY DUTY IND MOTOR STARTER CONTACTOR 3RT1044-1BB40
FANUC ROBOTICS 120VAC INPUT MODULE IA08E A03B-0801-C128
COSEL 24V 0.7A DC POWER SUPPLY P15E-24-N
ALLEN BRADLEY BULLETIN 802F KEY INTERLOCK SWITCH 802F-TE6SM11 SER. A REV. A
OMRON VISUAL POSITIONING SENSOR 3Z4SP-C22
MEASUREMENT TECHNOLOGY LTD 1 CHANNEL SWITCH OPERATED RELAY MTL 2210B
PAPST 110V, 42W FAN TYPE 7530
ONEAC 120VAC 3.2A POWER SUPPLY FT1103
RED LION CONTROLS PANEL-MOUNT INTELLIGENT METER IMI04163
MARATHON MONITORS INC. Dualpro CONTROLLER / PROGRAMMER FCP123-4.0
ABB CONTROL 120VAC COIL SIZE W5 350A WELDING ISOLATION CONTACTOR EHW 250W
COMPUTER DYNAMICS INDUSTRIAL COMPUTER OPERATOR INTERFACE DP017240 ACCESS-C10
PAPST 12VDC 1.2W 120x120x32mm AXIAL FAN 4312 L
PRESSTEK ISA PRESS I/O BOARD AEE01281 REV. A
SAFTRONICS INC 3-15HP BRAKE DY4-15
SHARP KCB644BSTT-X5-9?1-19 8 1/2 X 6 1/2 DISPLAY MONITOR
PILZ 24VDC SAFETY RELAY PZEX4V 3/24VDC 4S / 774583
ACOPIAN POWER SUPPLY A30NT75 *NEW*
BANNER ENGINEERING MAXI-BEAM LOGIC MODULE RLM5 *NEW*
POTTER & BRUMFIELD 24VDC COIL, 120VAC, 10A RELAY ECT1DC42 *LOT OF 5*
MTE 600V 12A 3.00mH 3-PHASE REACTOR RL-00802
FUJI ELECTRIC 100-130V COIL 10A MAGNETIC CONTACTOR 4SH440 SH-4 W/ SZ-A40
CORCOM 120/250V, 20A, 50/60Hz EMI FILTER 20W1 F7304
IDEC 100W 24VDC 4.5A POWER SUPPLY PS3L-E
RELIANCE ELECTRIC RESOLVER INPUT MODULE O-57411-1
MIDDEX ELECTRONIC TOOL CONTROL SYSTEM MODULE WK1A
BANNER MULTI BEAM 120VAC FIBER OPTIC SCANNER BLOCK SB F1 A LM3
HOLEC 50/5A CURRENT TRANSFORMER 741B0011 *NEW*
ATC 5A, 125-250VAC 1 SECOND - 10 HOUR TIME DELAY RELAY 328A200010XX
GOULD C231 INPUT/OUTPUT PLC UNIT C231-1054-100-A?D
FUJI AUTO BREAKER 2-POLE 10A & 15A CIRCUIT BREAKER SA52R *LOT OF 2*
SEMIKRON SEMIPACK 2 THYRISTOR / DIODE MODULE SKKT 162/14E *NEW*
HONEYWELL 40-180 FARENHEIT ELECTRONIC TEMPERATURE SENSOR C7031J 1001 *NEW*
ASTRO-MED DASH II MODEL MT PORTABLE FIELD DATA RECORDER
BASLER ELECTRIC FIELD ISOLATION TRANSDUCER 9372900100
NORDSON PRO FLO COMMUNICATION BOARD 227119B
GE 30A 240VAC 7.5HP HEAVY DUTY SAFETY SWITCH NP1578000K
TECHNIFOR UC 201 MARKING HEAD CONTROLLER UC201/f
SYRON MULTI CHANNEL DOUBLE BLANK ANALYZER DBA200
RELIANCE ELECTRIC DDS-TLII 30A 2.6KW AC DRIVE DSA-MTR-30A *CUT CABLES*
NAMCO 10-30VDC 4-PIN POWER CLAMP KIT EE280-91100 *NEW*
STANLEY A40LATAX-10A2 ANGLE PNEUMATIC CLUTCH SHUTOFF NUTRUNNER, 3/8 INCH
TOSHIBA TRANSISTOR MODULE 160L2C43A
IWAKI FANUC RESISTOR 0176
SQUARE D RATIO 400:5 CURRENT TRANSFORMER 5NR-401
ASHCROFT PRESSURE LIMIT SWITCH B764B XFS06
MOELLER 0.4A, 660V MANUAL MOTOR STARTER PKZM 1-0.4-NA
GASTECH HALIDE DETECTOR 1230
SANYO DENKI STEP-SYN STEPPING MOTOR 103H7126-0744
AEG MODICON 24 VDC OUTPUT TRUE HIGH AS-B824-016
MODICON MODEL 480 PROGRAMMER 110-132-1
ALLEN BRADLEY SLC 500 INPUT MODULE 1746-IV16 SER B
BAUART GEPRUFT 300W POWER SUPPLY TMA31-5/115-230?/A02 856223-017
ALLEN BRADLEY 110V/115-120V COIL TYPE P AC RELAY 700-P1200A1 SER. B *LOT OF 2*
COOPER TOOLS TORQUE CONTROL MODULE STM12
UNIPOWER 100W 110V POWER SUPPLY SM100-13/C
NETZGERAT 24V 10A DC POWER SUPPLY EA-PSMPS 824-10 R
SCHNEIDER TSX COMPACT 24VDC OUTPUT MODULE DAP 216N / AS-BDAP-216N *LOT OF 3*
ALLEN BRADLEY 120VDC TIME DELAY RELAY 700-HT12BU120 SER. B
POTTER & BRUMFIELD 120V RELAY KUP14A15 *LOT OF 2*
RELIANCE ELECTRIC DIGITAL CONTROL SYSTEM 68000 CPU MODULE 57407-4
FUJI ELECTRIC 24VDC COIL 65A/100A CONTACTOR SC-N3/G (65)
TDK 250VAC 20A NOISE FILTER ZAG2220-11S
MARATHON MONITORS INC Dualpro CONTROLLER/PROG?RAMMER FDP121-4.0
SCHAFFNER 480VAC 50A EMI FILTER FS5113-50-53
GSE 1/2" IN & OUT SOCKET WRENCH TORQUE TRANSDUCER 038252-00101
PEPPERL & FUCHS PROXIMITY SENSOR NBB5-18GM50-E2-?C-V1 *NEW*
RELIANCE ELECTRIC DDS-TLII 60A 11KW SERVO DRIVE DSA-MTR 60D
YOKOGAWA DYNASERV CC-LINK DD SERVO ACTUATOR DRIVE UB5C
SIEMENS 2-POLE 16A CIRCUIT BREAKER 5SM1 111-6 RCCB
TELEMECANIQUE 4-6 RANGE OVERLOAD RELAY LR2 D1310
VOLGEN 5V 20A POWER SUPPLY PSN-05020
AEG 2.8A MICROVERTER VARIABLE SPEED AC DRIVE 1.8/380 / 029 143704
SERVICE ENGINEERING ACCU-TUNE VIBRATORY FEEDER CONTROLLER AT-1051-MMS-HC-?SE
DAYTRONIC STRAIN GAGE CONDITIONER MODULE 9171
ALLEN BRADLEY 2 POSITION SPRING RET. SELECTOR SWITCH UNIT 800T-H48 SER. T *NEW*
SOLA ELECTRIC 24VDC 0.8A DC POWER SUPPLY 81-24-180-01
ATLAS COPCO TENSOR DS 7 TORQUE CONTROLLER D301-DS7 8433 0812 48
FURNAS 110/120VAC COIL 60A DEFINITE PURPOSE CONTACTOR 42EE35AF305R *NEW*
HONEYWELL -30° TO 90° REFRIGERATION TEMPERATURE CONTROLLER T6031 A 1029 *NEW*
NUCLEAR MILAND TIESSE +5V/+12V/-12V/+?24V DC POWER SUPPLY UAL 48 / E724.133.75R
ITE IMPERIAL CURRENT TRANSFORMER TKM-1 401181-T31
KAWASAKI ROBOTICS 1HA-12 CONTROL BOARD 50999-2384R24 *NEW*
TURCK BUS STOP PROFIBUS-DP STATION PDP-0M8-0002
OMEGA ENGINEERING 110V RATEMETER TOTALIZER MODEL DPF64 *NEW*
FANUC ROBOTICS ACCUFLOW COUNTER UNIT EE-1063-002
CONDOR 24V 3.6A DC POWER SUPPLY HN24-3.6-A+
WAGO 24VDC 16-BIT 2-CHANNEL ANALOG INPUT MODULE 750-472
GORDOS ARKANSAS 32-SLOT-RACK PB-32SM W/ (32) SM-IDC24 MODULES
PHOENIX CONTACT 24V TERMINAL BLOCK PLC-BSC-24DC/1/?ACT WITH RELAY
HEIDENHAIN INTERPOLATION UNIT EXE 829 / 219 884 02
ACME TRANSFORMER 250VAC INDUSTRIAL CONTROL TRANSFORMER FS-2-250-F3
TELEMECANIQUE 1.7-2.5 RANGE OVERLOAD RELAY LR2 D3322
ALLEN BRADLEY PRESSURE CONTROL 836T-T253J X20
SCHNEIDER MODICON 110VAC PLC FAN MODULE TSXFANA4P
COOPER GARDNER DENVER SERVO CONTROLLER MODULE BLS 1-2 960601
WESTINGHOUSE 600VAC 200KA LA TRI PAC CURRENT LIMITER 400LAP10 *NIB*
UNITED ELECTRIC CONTROLS 10-100 PSI PRESSURE SWITCH J120-191
MERLIN GERIN 480V 30A CIRCUIT BREAKER NSE 100 N
BALOGH EUROCARD PARALLEL CONTROL CARD W/ BASE CLF 16
RASMI ELECTRONICS LTD 7A 250VAC SINGLE PHASE RFI FILTER R88A FIW 107-E
EUCHNER 24V AC/DC SAFETY SWITCH TZ1LE024RC18VAB
SIEMENS 600VAC 108A 3-PHASE CONNECT TERMINAL 3VU9165-1BB01 *LOT OF 2*
FERRAZ SHAWMUT MICRO CONTACT MICRO SWITCH X310014 MS3V1-5 *LOT OF 3*
HIRSCHMANN MICE SWITCHING MODULE MS3124-4 W/6 MICE MEDIA MODULES MM2-4TXI
SMC 12-24VDC PRESSURE SWITCH ISE4E-T1-67
ACOPIAN 120V 2A REGULATED DC POWER SUPPLY A120HT250 *NEW*
SEMIKRON SEMIPACK THYRISTOR DIODE MODULE SKKH 56/08D *LOT OF 3*
TELEMECANIQUE 24VDC COIL 20A CONTACTOR LP4K 0901 BW3 *NEW*
FEDERAL SIGNAL CORPORATION HORN TONE MODULE TM6 SER. A2 *NEW*
ASEA BROWN BOVERI ABB PURGE CONTROL UNIT PCB PCU-02
RATHGEBER 488/465/442V TO 20/18/16V STEP DOWN TRANSFORMER KITZINGEN DE 630 CNA
OMRON 12-24VDC PANEL-MOUNT PROCESS METER K3NX-AD2A
RELIANCE ELECTRIC DIGITAL CONTROL SYSTEM CARD FIELD REGULATOR MODULE 57412-E
RELIANCE ELECTRIC DIGITAL CONTROL SYSTEM DRIVE ANALOG I/O 57405-C
SQUARE D STARKSTROM 12VDC COIL 20A CLASS 8501 RELAY TYPE PHD 22 E
KEYENCE 24V 3.2A DC POWER SUPPLY MS-H75
PEPPERL+FUCHS READ/WRITE DEVICE DENT-M MTT-S1 39762
SOFTSWITCHING TECHNOLOGIES MINIDySC SAG CORRECTOR DS10012A120VSH1?000A *DAMAGE*
BOSCH POWER SUPPLY KM 2200-T
STEARNS 208-230/460 174-190/380V ELECTRIC BRAKE 105672105 QF *NEW*
SOSHIN ELECTRIC 500VAC 50A EMI FILTER NF3050C-RQ2
IFM EFECTOR INC 20..36VDC FLOW MONITOR SI1000 SID10ADBFPKG/US
E. DOLD & SOHNE 110V, 0.1-1.0SEC TIMER VARIMETER AI 930
RANSBURG CONTROL ASSY 74727 PCB 74726 DISPLAY DRIVER ASSY 74731 PCB 74730
WAGO 24VDC 2-CHANNEL DIGITAL OUTPUT MODULE 750-506
NATIONAL ELECTRONICS 903M1P4GRINB CRT , NIB
ALLEN BRADLEY TYPE RTCR 24VDC 24VDC SOLID STATE TIMER 700-RTCR10010U2?4 SER A
GORDOS ARKANSAS 120VAC, 3-32VDC, 10A SOLID STATE RELAY G120D10 *NEW*
R-K ELECTRONIS RDS1A-6 DC TRANSIENT VOLTAGE FILTER, LOT OF 4, NNB
TURCK RSSD RSSD 443-0.5M / U-11301 ETHERNET EUROFAST CABLE, LOT OF 5, NEW IN BAG
CORCOM 250VAC 20A 50-60HzEMI LINE FILTER 20AY96C *NEW*
FUJI ELECTRIC 600VAC 225A 3-POLE AUTO CIRCUIT BREAKER W/OUT WIRING BOLTS SA203HI
RATHGEBER 504/480/456V TO 115V STEP DOWN TRANSFORMER D-8710 KITZINGEN / ET7/1CSA
TELEMECANIQUE 24V COIL 110A 600V CONTACTOR LP1 D8011 W/ LR2 D3361
JOKAB SAFETY 24VDC SAFETY RELAY JS B RT11 *LOT OF 10*
AEG 520V 40A MINISEMI DC DRIVE D 500/40+GO / 029.135 727
GENERAL ELECTRIC 2-STATOR WATT HOUR METER DSMW-63 / 703X95G366
SUNX AREA SENSOR LIGHT CURTAIN NA40-24D 3H8N *DAMAGED*
OMRON BLOCK 250VAC RFI FILTER R7A-FIZN105-BE
PEPPERL + FUCHS 120VAC COIL SAFETY RELAY WE77/EX2-UL
HELWIG CARBON INDUSTRIAL CARBON BRUSH 11-621216-100-2?-01 *NEW, LOT OF 10*
STANLEY AIR TOOLS TORQUE CONTROLLER T8001/230
ALLEN BRADLEY 600V, 25A, 3-PHASE REACTOR 1321-3R25-B / 178615
STANLEY ALPHA SERIES TORQUE CONTROLLER SG-ALPHA-202-00?1 Q1001-010-001
TURCK RKM 30-4M/S90 / U2029-1 2 AND 3-WIRE 7/8" minifast CORDSET, NEW
OMRON 24VDC 14A DC POWER SUPPLY S8VM-30024C
OMRON 24VDC 2.2A DC POWER SUPPLY S8VM-305024 C
