085643-02
日期:2018-8-23DL/T596—1996《电力设备预防性试验规程》规定:“高压断路器操动机构分、合闸电磁铁或合闸接触器端子上的最低动作电压应在操作电压额定值30%~65%之间”。GB50190—91《电气装置安装工程电气设备交接试验标准》也规定:“直流或交流的分闸电磁铁,在其线圈端钮处测得的电压大于额定值的65%时,断路器应可靠分闸;当此电压小于额定值的30%时,不应分闸”。
某些SF6断路器的液压机构的分闸回路是线圈串有电阻,如平开的LW6-500型,110VDC直流操作电源,分闸回路为分闸线圈(18Ω)外串32Ω电阻。一般认为最低动作电压为分闸回路(包括串联电阻)全电压,如果最低动作电压为30% Un时,分闸线圈两端的动作电压仅为11.88V,显然难以满足抗干扰的需要,有可能出现由于分闸线圈最低动作电压过低,断路器在强电磁干扰下“偷跳”现象。据不完全统计,葛洲坝大江电厂开关站10年来开关偷跳累计达17次,在对葛洲坝换流站5061断路器进行修复、调试期间,发现5061断路器3天内偷跳达5次。
1 分 析
如在不改变断路器动作特性的基础上适当提高分闸线圈上的最低动作电压,则可增强断路器分闸回路的抗干扰能力,使之能满足如下要求:
1) 提高分闸线圈两端的最低动作电压,期望在30% Un(Un为额定电压)左右;
2) 分闸线圈串上电阻后分闸回路两端的最低动作电压不能超过65%Un;
3) 更换分闸线圈后,断路器的分闸时间等动作特性应符合规程要求;
4) 分闸线圈符合分闸电流通流能力的要求,防跳继电器(TBJ启动电流为1A)可靠动作。
当操动机构的分闸阀不改变时,其所需最小开始动作的力F和机械功W将保持不变[1]。
F=6.4(IN)2[S/δ+0.8g(z/l)2]×10-8,kg (1)
在电磁铁参数不变时有:
F∝(IN)2 (2)
W=(IN)2(Gδ0-Gδm)/2=(IN)2Gδ0/2 (3)
式中Gδ0为电磁铁在吸合位置的磁导;Gδm为电磁铁在释放位置的磁导;z,l为电磁铁的结构参数。
由式(1)、(3)可知,若不改变操动机构的动作特性,就要保持分闸线圈的IN(安匝数)不变,在此前提下提高分闸线圈上的最低动作电压,有两种方法:
1) 改变阀结构,使分闸阀启动所需的力F和机械功W增加,这样由式(1)、(3)可知,如线圈匝数N和其他参数不变时,就会提高分闸电磁铁开始动作时所需的启动电流Id,从而提高了分闸线圈上的最低动作电压;
2) 更换线圈,根据式(1)、(2)、(3)知,分闸阀启动所需的力F和静态机械功W不变时如改变分闸线圈,则更换前后两分闸线圈的IN应不变,故
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GUARANTEED! SQUARE D 3/2KVA 480V INDUSTRIAL CONTROL TRANSFORMER 9070T3000D1 WARR
NEW OLD STOCK AMERICAN AUTOGARD TORQUE LIMITER CLUTCH 201ACT3 1-3/8" BORE
NOS! ADVANTECH 13 SLOT PCI/ISA BACKPLANE PCA-6114P4 PCA6114P4 REV.A1
NEW OLD STOCK! SIEMENS PROXIMITY SENSOR THRU BEAM 3RG7175-3BE00
NEW OLD STOCK! SWAGELOK PNUMATIC ACTUATOR SS-T63MS8-33DHT
GUARANTEED! SIERRA INSTRUMENTS GAS MASS FLOW CONTROLLER 840L-2-0V1-SV1-D-V4-S4
GUARANTEED! SIERRA INSTRUMENTS GAS MASS FLOW CONTROLLER 840L-D-1-V4-S4
GUARANTEED! SIERRA INSTRUMENTS GAS MASS FLOW CONTROLLER 840D-L-1-V3-S3
NOS! VISHAY BLH DIGI-SYSTEM SUMMING J BOX 308A-4-SS 308A4SS 460283
NEW OLD STOCK! DETECTOR ASSEMBLY 8D042047 022-01739 70238 5312C 5307A 22766
NEW IN BOX! SCHNEIDER ELECTRIC 600VAC 115A CONTACTOR LC1F115
GUARANTEED GOOD ALLEN-BRADLEY 27 AMP 10 HP MAX STARTER 509-BOD-23
NEW OLD STOCK! GE 1.5HP 208-230/460V 3450RPM INDUSTRIAL MOTOR 5K46KN2175
NEW OLD STOCK THERMO RAMSEY 10LB. LOAD CELL 035584 90DAY WARRANTY
GUARANTEED! LITTELFUSE 1000VDC 400A PHOTOVOLTAIC FUSE SPFJ-400
NEW TAKE OUT ALLEN-BRADLEY 2HP POWERFLEX AC DRIVE 22F-D4P2N103 SER.A FW:2.02
NEW OLD STOCK! HONEYWELL MEASUREX PC BOARD DISPLAY SYNC DATA 052691-00
GUARANTEED GOOD PARKER 3000-PSI HYDRAULIC SOLENOID VALVE D1VW1CNJWL 75 24DC
NEW OLD STOCK! ASCO 2 INCH PRESSURE VESSEL 240351-001
NEW NO BOX! SIBA 690V 700A SEMICONDUCTOR FUSE 2073532.700
NEW OLD STOCK!! AEG OVERLOAD RELAY 3-POLE 120-180A E-NR910-341-540-00
NEW OLD STOCK! CUTLER-HAMMER 12-AMP 3-POLE STARTER AE16CNS0AC
GUARANTEED! HUBBELL CIRCUIT-LOCK PIN&SLEEVE INTERLOCK HBL430MI7W 30A 480VAC
GUARANTEED! WINSYSTEMS VERSALOGIC VL-1260 REV. 2 PCB BOARD
NOS! TEKEL INSTRUMENTS INCREMENTAL ENCODER TK561.F.1024.15.S.K6.10.PL10.S
BOX OF (8) NOS! VENTURE 250W METAL HALIDE LAMPS 60722 MPI250W/BU
BOX OF (6) NOS! VENTURE 250W METAL HALIDE LAMPS MP250W/B/BU/UVS/PS
NEW OLD STOCK! TSUBAKI ROLLER CHAIN RS50-3-RP-U
NEW IN BOX! AUTOMATION DIRECT DIRECT 205 LOGIC 9-SLOT CHASSIS D2-09B-1
LOT OF (5) GUARANTEED! ALLEN-BRADLEY POSSESSORS WITH POWER SUPPLY'S 1772-LZP
NEW IN BOX SCHNEIDER TELEMECANIQUE 24VDC 110A CONTACTOR LC1 D80BD LC1D80BD
NEW UN IN BOX ITW VORTEC VORTEX COLLER - MODEL 721
GUARANTEED! CONTROL TECHNIQUES MENTOR II CONTROL BOARD MDA-2 ISS-3
LOT OF (232) NEW OLD STOCK! 1-5/16"-2-1/4" 33mm-57mm HOSE CLAMPS NO.28
(12) NEW OLD STOCK SWAGELOK 1/8" MNPT BY 6MM COMPRESSION ELBOWS SS-6M0-2-2PR
GUARANTEED! ALLEN-BRADLEY DH+RIO COMMUNICATION INTERFACE MODULE 1756-DHRIO SER.D
LOT OF (3) NEW OLD STOCK! COOPER BUSSMANN 690V 40A FUSE-LINKS 170M1563D
CASE 12 UN GE GENERAL ELECTRIC U-SHAPED FLUORESCENT LAMPS F32T8/SPX41/U6/2
NEW IN SEALED BOX JOHNSON CONTROLS 3/4"NPT 200-400 PSIG WATER VALVE V246GC1-001C
NEW OLD STOCK! ABRASIVE DISC FRICTION CLUTCH SPRF42 51438
GOOD HONEYWELL DYNAMIC INFRARED AMPLIFIER R7248B-1028 R7248B1028
LOT OF (3) NEW OLD STOCK! BUSSMANN 100A 660V FUSE-LINKS 170L2248
NEW OLD STOCK! ALLEN-BRADLEY 110/120V CONTROL RELAY 700-P220A1
NEW NO BOX! SCHMERSAL 24V SAFETY RELAY SRB211ST
NOS! FLUTEC 3 WAY MULTIWAY BALL VALVE KH3-20NPT-L-1114 KH320NPTL1114 4500PSI
NEW IN BOX! MARECHAL 1000V SP+ 10/38 INLET CONNECTOR 454800P 45-4800P
NEW MURR ELEKTRONIK PROFIBUS INTERFACE BOARD CARD FOR FUJI / GE INVERTER 556112
NEW OLD STOCK! ALLEN-BRADLEY PHOTO-SWITCH PHOTO-HEAD 42MRU-5000
GUARANTEED GOOD ! ALLEN-BRADLEY COLOR REGISTRATION CONTROLLER 42CRC-4000
NEW OLD STOCK! NATIONAL INSTRUMENTS 200 AMP SIGNAL ACCESSORY 777318-120
NEW OLD STOCK! ALLEN-BRADLEY 110/120V OPERATING COIL CF-236
GUARANTEED! WESTINGHOUSE 150A TRIP UNIT CIRCUIT BREAKER 5685D80G02 LA3400PRF
NEW OLD STOCK! K-TRON PC ASSEMBLY BOARD 9191-602370-D
NEW OLD STOCK! FAFNIR PILLOW BLOCK BEARING RA0 1-1/16 GN111KRRB
NEW IN BOX! RENISHAW TRANSMISSION INTERFACE KIT A-5500-1000 A-5500-1000-05
NEW OLD STOCK! DAYTON 3/4HP 1140/950RPM THREE PHASE INDUSTRIAL MOTOR 3N316B
GUARANTEED! GOOD GE 125 AMP CIRCUIT BREAKER THED134125
NEW OLD STOCK! ALLEN-BRADLEY PROXIMITY SENSOR 871L-B20E40-T2
GUARANTEED GOOD EMERSON CONTROL BOARD 57619848 B TYPE NRFC-44
GOOD CINDEC WEIGHT INDICATOR UMC2002FACA I0739 117VOLT 20W 50/60HZ
GUARANTEED GOOD ! TELEMOTIVE INPUT OUTPUT BOARD E10163-0
GUARANTEED GOOD ! TELEMOTIVE RELAY BOARD E10165-0
NEW OLD STOCK! MARTEL ELECTRONICS 24VDC/.175A 2400 PROCESS POWER PACK 24.75STS-3
NEW OLD STOCK! GATES HI-POWER II POWERBAND BELT 2/C240 9094-2240
NEW OLD STOCK! SIEMENS VALMET ULTRASONIC SONAR SENSOR 3RG6143-3MM00
NOS! ABB PROCESSOR BOARD 500S1160-1 500S11601 KN
SEALED IN BOX! ALLEN-BRADLEY ANALOG CURRENT INPUT CONNECTOR 1738-IE2CM12
NEW IN BOX! ALLEN-BRADLEY ARMORPOINT DIGITAL I/O MODULES 1738-OB8EM12
LOT OF (3) NEW OLD STOCK! BUSSMANN 350A 700V FUSES SPP-4E350
LOT OF (6) NOS! HUBBELL 3-WAY 20A 120/277VAC WALL SWITCHES HBL1231 1231
LOT OF (18) NEW OLD STOCK! RITTAL ALUMINUM HOUSINGS 2 "X 1.75" X 1.25" 9100-210
LOT OF (200) NUNC BIOBANKING AND CELL CULTURE CRYOGENIC TUBES
NEW OLD STOCK! ALLEN-BRADLEY INDUCTIVE PROXIMITY SWITCH 802PR-LBAJ1
GUARANTEED! ALLEN-BRADLEY 16PT ISOLATED RELAY OUTPUT MODULE 1756-OW16I/A
NOS! BOSTON GEAR CLUTCH / BRAKE CONTROL 100A1027
NOS IN BOX! FASCO HVAC SPLIT CAP MOTOR D816 7126-0346 U26B1 1075RPM 208/230V
NEW OLD STOCK! SPIRAX SARCO FREEZETON II 1/2" TEMP TRAP 71948
NEW OLD STOCK! AMP CONNECTOR CABLE X2755-CL10
NOS! PHILLIPS ADVANCE INTELLIVOLT 347-480V 210-315W BALLAST HZTMH-210-315-R-LF
GOOD IMPULSE AC DRIVE 460AFD3-SLC 460AFD3SLC NO COVER!!!!
NOS! EATON / DYNAMATIC CONVERTER GATE DRIVER 70-206-8 702068
GOOD LINX CONTROL BOARD 0631-226-00 063122600
GUARANTEED! GOOD BALDOR 0.5-HP 1725-RPM 1 PHASE INDUSTRIAL MOTOR VL3504
NEW OLD STOCK! REGENTS CLUTCH BREAKER 120
NEW OLD STOCK! IWASAKI 250W CERAMIC METAL HALIDE LAMP CMP250/BUD/937/PS
NEW OLD STOCK! IDEC 240W 100-240VAC 3.5 POWER SUPPLY PS5R-SG24
NEW OLD STOCK ABB 100HP CONTACTOR A110-30 110/120V COIL
NEW UN CELESCO POSITION SENSOR PTX101-0020-111-2100-631989A 45.86500mV/V/IN
GUARANTEED! MOTION SCIENCE CONTROL BOARD 22000-141
GOOD SIEMENS / TEXAS INSTRUMENTS PROCESSOR BOARD 2497993 2497991
NOS! GE FANUC SERVO MOTOR 171 FOOT FEEDBACK CABLE 44C742430-002
LOT 12 NEW OLD STOCK THOMAS & BETTS 3/4" COPPER GROUND ROD CONNECTORS GR34-4010
NEW OLD STOCK! ALLEN-BRADLEY 8 POINT OUTPUT MODULE 17940W8
GOOD MAYR CLUTCH CONTROLLER 010.000.2 0100002 230/250VAC 50/60HZ
NEW WITH BOX WATTS QIX 1" AUTO DRAIN FILTER & HOUSING F20-08WJR/M1 175PSI
NEW OLD STOCK! ALLEN-BRADLEY LANGUAGE MODULE ENGLISH/ENGLISH 1336S-EN6
QTY. 7 NEW UN SHARPE 1-1/4" WCB CARBON STEEL BALL VALVES 54574 1500CWP
NOS! WESTINGHOUSE 1075RPM 115V THERMALLY PROTECTED MOTOR 322P482
LOT OF(17) NEW OLD STOCK VALMET AIREC ELREC PIRRINPAKKAUS GREEN PEN SETS 538561
NEW OLD STOCK! IN BOX WATTS 3/4" AIRLINE FILTER F602-06WJ
NEW! WESTLOCK CONTROLS ETC STEALTH VALVE POSITION INDICATOR 2AYEXG NR2AYEXG
GUARANTEED! ALLEN-BRADLEY SIZE 4 100HP STARTER 509-EOD SER.A 110-120V 1-YR. WARR
NEW OLD STOCK! WIDE LITE AUTOTRANSFORMER BALLAST 400-FS-QV-GR 400-FS-QV
NOS! FASCO HVAC SPLIT CAP MOTOR D412 7162-0941 U62 230V 1/9HP 50/60HZ 3000RPM
GUARANTEED! GOOD CINCINNATI MILACRON PC INPUT BOARD 3-531-3564A
NEW IN BOX! SQUARE D INDUSTRIAL PRESSURE SWITCH 9012GAW-6
NEW OLD STOCK! AMMONIA 200PPM DETECTION SENSOR CI21
NEW OLD STOCK! CCS CUSTOM CONTROL SENSOR 1000PSIG PRESSURE SWITCH 611G8003
NEW OLD STOCK! NATIONAL SCALE TECHNOLOGIES SUMMING J-BOX 9000468
NOS! FILTERITE PROCESS GAS MEGAPAK MPTE-010-1/4CS 8758170449 750PSIG @ 100F
NOS! ALOKA PRESSURE SENSOR BOARD SC-53-3C SC533C 1-42624-01 14262401
SEALED IN STATIC BAG NOS! MITEL COVER LINE CIRCUIT CARD MC323BA 1073233A
NEW OLD STOCK! BRISTOL BABCOCK PRESSURE TRANSMITTER 2408-10B
NOS! REXROTH SIZE 1 PNEUMATIC CERAM VALVE R432006379 150PSI 3.0-10BAR 24VDC
NEW OLD STOCK! INGERSOLL RAND SIGHT FEED ASSEMBLY 31174113
GUARANTEED GOOD ! PHOENIX CONTACT SURGE ARRESTER 92026
NOS IN BOX! GE SHADED POLE MOTOR 3372 115/208-230V 5KSP39KGW456-T
GUARANTEED! SQUARE D 100A LIGHTING CONTACTOR 8903-SQG-2 SER. A
NEW OLD STOCK SEALED! GE PRC-100 RAPPER CONTROL INTERFACE BOARD 7610023 REV.D
NEW OLD STOCK! ROSEMOUNT SENSOR MODULE 01151-0011-0032
NEW OLD STOCK! ASCO 50PSI 1/2"NPT 110/120 SOLENOID VALVE 8215C20B
GUARANTEED! KILLARK 60A 4P 3W 600VAC 250VDC PIN AND SLEEVE CONNECTOR VPR6465
NOS! CENTRAL PROCESSOR BOARD PCB72810 72810
NEW OLD STOCK! ASHCROFT 300 PSIG TRANSDUCER ASH-K1-7-M02-42-H1 K17M0242H1300
NEW OLD STOCK! ASHCROFT 300 PSIG TRANSDUCER ASH-K1-7-M02-42-H1 K17M0242H1300
NEW OLD STOCK! GRANZOW 2 WAY 3/4"NPT 24VDC COIL SOLENOID VALVE 21WN5KB190
GUARANTEED! OPTEK DUAL CHANNEL ABSORPTION METER MODEL 312
NEW OLD STOCK! FEDERAL SIGNAL BELL & 6" GONG 506-120-1
NEW OLD STOCK! STANDARD SNW ADAPTER ASSEMBLY QS9000/ISO 24X4.188
3 MIL-SPEC DOOR HOLDER 28233691 5340012766742
NEW IN BOX! AUTOMATION DIRECT CPU MODULE D2-250-1
NEW OLD STOCK! REXROTH 1/2" QUICK RELEASE EXHAUST VALVE P52935-6
GUARANTEED GOOD ! HONEYWELL MICRO SWITCH HEAVY DUTY LIMIT SWITCH LSN1A-3D
GUARANTEED GOOD ! MEASUREX ELECTRONIC CARD ASSEMBLY BOARD 04294200
NOS! FASCO HVAC SPLIT CAP MOTOR D970 7126-2035 U26B1 277V 1075RPM 3/4-1/2-1/3HP
NOS! OMEGA ENGINEERING INC FLOW SWITCH 9943-FSW-30 9943FSW30 FSW-30 FSW30
GUARANTEED! GOOD ASCO 20-150PSI SOLENOID VALVE WT8401B202M
NOS! SAFEMATIC SHAFT SLEEVE SAF-70 SAF70 UN-441 UN4411
GOOD SIEMENS SIMATIC S5 ANALOG INPUT MODULE 6ES5464-8ME11 20MA
NEW OLD STOCK! SAFEMATIC VALVE SHUT OFF WITH 24V SOLENOID CLV-2-24-NO-U
LOT OF (3) NEW OLD STOCK! TURCK PROXIMITY SENSORS BI15-G30-ADZ30X2-B3131
LOT OF (2) NEW OLD STOCK KUHNKE 2SEC SHUTTER ROTARY SOLENOIDS D-24-ROR-F-DS-9420
GUARANTEED! SIEMENS 6ES7-214-1AC01-0XB0 SIMATIC S7-200 CPU-214 90 DAY WARRANTY!!
NEW OLD STOCK! EDWARDS STEADY-ON RED LED BEACON 48SLEDR-N5
NEW DYNAPAR ENCODER HS35100073100 1/2 SE BIDIR 5-26V OC
NOS! ZERO-MAX JF MOUNT TORQ-TENDER TT2XJF
NOS! NEPTRONIC DAMPER ACTUATOR TBMHV4300A TM300 120/240VAC 10VA
NOS! NEPTRONIC DAMPER ACTUATOR LDMHV4300A LM300 120/240VAC 10VA
NEW OLD STOCK VOLVO HEAVY EQUIPMENT AXEL SHAFT VOE11035843
NOS! ARMSTRONG FLOAT A5253 B8F A8 J8
NEW OLD STOCK! FAG NU411 NU-411 ROLLER BEARING
NEW UN! EBARA RING SEAL IPS-1143
NOS! INSUL 8 HOIST PUSHBUTTON SWITCH CAB81P 80 SERIES PENDANT
NOS! MERLIN GERIN PC BOARD 6730905 6736202XD-4B 6736202XD4B
NEW OLD STOCK! COLLEC THREE PUSH BUTTON STATION 97501
GUARANTEED! SIEMENS 6ES7-214-1BC01-0XB0 SIMATIC S7-200 CPU-214 90 DAY WARRANTY!
GUARANTEED! ALLEN-BRADLEY 16 PT. RELAY OUTPUT MODULE 1756-OW16I SER.A FW: 3.2
NEW OLD STOCK EMERSON KOP-FLEX DISC HARDWARE KIT FOR 254 COUPLING 254-KD-HTFS
GUARANTEED! ABB SACE CIRCUIT BREAKER DISCONNECT W/ 7" HANDLE T3N 225 T3N-225
NEW NEPTUNE 560 SER. PUMP REPAIR KIT S/D N1/N3 # 002719
LOT OF (9) NEW OLD STOCK! BUSSMANN RK5 15A DUAL-ELEMENT FUSES FRS-R-15ID
NEW OLD STOCK! SOLA 24VDC POWER SUPPLY SDN 5-24-100P
NEW OLD STOCK! GOULDS SHAFT SLEEVE 76230-316
NEW OLD STOCK! REGENTS CLUTCH BREAKER V12
NOS IN BOX! PACKARD HVAC SPLIT CAP MOTOR 1100/1050/950RPM 3 SPEED 277V 70232
NEW IN BOX WILKERSON STRAIN RELIEF GAUGE 2MV/VDC 24VDC DM4051
NOS! DETROIT DIESEL PISTON CONNETING ROD 23502480 2815-01-014-7459 2815010147459
NEW OLD STOCK! SICK PROXIMITY POTENTIOMETER WTB9-3N2461
NEW OLD STOCK! KILLARK 30A 4P 2W 600VAC 250VDC PIN AND SLEEVE CONNECTOR VP3385
GUARANTEED! NUMATICS 150PSIG-AIR SOLENOID VALVE 11SAD4110011Z30
NOS! RAYCHEM PARALLEL PC BOARD MONI-CARD-I/O-PARALLEL 927731-000
GUARANTEED GOOD K-TRON GRAVIDRIVE 2401-300280 VER.C 115V
GUARANTEED GOOD K-TRON GRAVIDRIVE 2401-300280 VER.A 115V
NEW IN BOX! FASCO 1/6HP 6.2AMP 115V 60HZ 1050RPM 1 SPEED MOTOR D240
NEW OLD STOCK! FEBCO RELIEF VALVE REPAIR KIT FOR 2-1/2" TO 10" VALVES 905102
QTY (2) NEW GATES 20C2AT-20RMP HYDRAULIC FITTINGS 81228 723161228
NEW ASCO RED-HAT SER.8210 SOLENOID VALVE REPAIR KIT 322682 FOR 2-2.5" NPT
LOT OF (2) NOS! ASHCROFT GLYCERIN FILLED 0-2000 PSI GAUGES 25-1009SWL-02L
REBUILT - GUARANTEED! TYLER SPINDLE 8A2
REBUILT - GUARANTEED! TYLER SPINDLE 8A8R
NOS! LITHONIA INDUSTRIAL 150W HIGH PRESSURE SODIUM BASE LENS TWH 150S TB
NEW UN HOFFMAN 20X20X6 ELECTRICAL ENCLOSURE JUNCTION BOX A20N20ALP
GUARANTEED! THAYER SCALE I/O ASSEMBLY CONTROLLER A-61805
LOT OF (3) NEW OLD STOCK! BUSSMANN 25A 660V FUSE-LINKS 170L2239
NEW OLD STOCK! FASCO HVAC SPLIT CAP MOTOR D744 7126-0328 U26B1 1/3-1/4HP 1075RPM
NEW IN BOX! ABB 110/120V COIL CONTACTOR A30-30-11-84
CONTINENTAL HYDRAULICS DIR VALVE VS5M-3F1-GB5HL2-70L-K
NEW OLD STOCK PARKER HYDRAULIC FLOW CONTROL CHECK VALVE PCCM820S 3000PSI
NEW OLD STOCK MERCOID LIQUID LEVEL CONTROL SWITCH 123-153
NEW! UNITORQ PNEUMATIC VALVE ACTUATOR B-52DA/DLS B52DADLS B-52DA B52DA
NEW! UNITORQ PNEUMATIC VALVE ACTUATOR B-52K5/5DLS B52K55DLS B-52K B52K
NEW UN IN BOX! FISHER EMERSON RELAY REPLACEMENT KIT RRELAYX0H22 SER. 2500++
GUARANTEED GOOD ! ALLEN-BRADLEY SIZE 2 MOTOR STARTER 509-COD
GUARANTEED GOOD ! LOAD CONTROL INC 10V DIGITAL LOAD CONTROL DM-100 4-20MA
NEW OLD STOCK! FANUC SIMULATOR INPUT MODULE IC693ACC300D
GOOD ROSEMOUNT ANALOG MARSHALLING PANEL 01984-2512-0003 0198425120003
NEW PARKER D1VW030DNYCF HYDRAULIC FLOW CONTROL VALVE 110/120 5000PSI
NEW OLD STOCK! TELCO PHOTOELECTRIC SENSOR AMPLIFIER PA-11-B-301T
NEW OLD STOCK! STUWE SHRINK DISC DISK HSD 68-22X68 23.03.1999 D45527
GUARANTEED! GOOD GE 30 AMP HEAVY DUTY SAFETY SWITCH (NO HANDLE) THN3361SS
NEW OLD STOCK! GE 3-POSITION BREAKER CONTROL SWITCH 16SB1CB300SSS2P
NOS IN BOX! FASCO HVAC SPLIT CAP MOTOR D903 7126-0965 U26B1 208/230V 1/3-1/4HP
GUARANTEED! GOOD CROUSE & HINDS 60AMP RECEPTACLE CONNECTOR APR6465
NOS! PUMP HEAD 8100088404 07-2634 072634 N-P32 NP32
NOS! WORCESTER BALL VALVE AND HANDLE R21CWP1000 5916TSE A05
NOS! SPRAYMATION PURGE CONTROLLER 305563 305563-7 3055637
NEW OLD STOCK! SIMPSON MINI-MAX M235 SERIES DIGITAL PANEL METER M23502120
GUARANTEED GOOD ROSEMOUNT ALPHALINE PRESSURE TRANSMITTER 1151LLT4E22B4
NEW OLD STOCK IN BOX ALLEN-BRADLEY 24VDC REVERSING CONTACTOR 104-C09ZJ22 SER.B
GUARANTEED! SIEMENS 6ES7-214-1BC01-0XB0 SIMATIC S7-200 CPU-214 90 DAY WARRANTY!!
LOT 45 NOS! GREEN BALL BEARINGS STM10S100A
LOT OF (98) FALCON 24 WELL CLEAR FLAT BOTTOM MULTIWELL CELLCULTURE PLATES 353047
LOT OF (3) GUARANTEED! GOOD BUSSMANN 160A 700V FUSES 170M3014
GUARANTEED GOOD CUTLER-HAMMER 27 AMP STARTER CONTACTOR AN16DN0AB
LOT OF (3) NEW OLD STOCK! TARRANT SUCTION VALVE PLATES PLT-0E70 TRANE PLT 0570
NEW OLD STOCK AHG F2C2 CASSETTE TUBE CARTRIDGE FFM-S4931920-6
NEW IN BOX! REXROTH BOSCH HYDRAULIC CHECK VALVE ASSEMBLY 0-810-040-929
MANUFACTURER REFURBBED RELIANCE ELECTRIC MAXPAK CRCG BOARD 107072-11 SH14
NEW OLD STOCK! COOPER BUSSMANN 300A 600VAC LIMITRON FUSE KGJ-E-300
NEW OLD STOCK HERION 3/4" SOLENOID SWITCHING VALVE 8222300.8001 82-23-00-8001
LOT OF (5) NEW OLD STOCK! SEALMASTER 1/2" ROD ENDS ARE-8