九九九午夜,99噜噜在线

MKD041B-144-KG1-KW電機

提升機電機調速中PLC控制軟件程序主要有主程序、子程序和中斷服務程序，對應每一個工作流程設計一個子程序，有利于程序的編制、調試和修改。

　　以PLC、交流電機、變頻器、光電編碼器組成的閉環(huán)控制系統(tǒng)可以實現對電動機轉速的定位控制，系統(tǒng)能根據檢測的反饋速度值和設定的速度值自動調整轉速。

　　PLC輸出信號控制變頻器，變頻器將自身狀態(tài)輸送給PLC，形成雙向的聯(lián)絡關系；變頻器根據預先設定的值調節(jié)提升系統(tǒng)電動機的轉動速度；光電編碼器把提升容器的運行位置反饋值送入PLC。

　　PLC高速計數模塊接收到的光電編碼器輸出脈沖信號不僅可以指示提升機運行位置，也可以作為PID調節(jié)運算后的反饋值。

　　這樣，通過編碼器對速度檢測及反饋的電機轉速信號構成的閉環(huán)變頻調速控制系統(tǒng)，有較小范圍的參數超調波動，能及時控制偏差量，可以使負荷變化和電源電壓的波動等干擾信號對電機轉速的影響明顯降低，保證系統(tǒng)平穩(wěn)地啟動和制動，使系統(tǒng)的調速范圍和穩(wěn)速精度得到了提高。

變頻調速被認為是當今理想的調速控制方式，在工業(yè)生產中的應用越來越廣泛，尤其在風機、水泵類負載的應用中節(jié)能效果顯著。變頻器具有擾動小，能耗低，調節(jié)范圍寬，啟、停性能平滑，控制靈活，可靠等優(yōu)點，是生產和節(jié)約能源的有力保證。

　　空氣壓縮機屬恒轉矩負載，其拖動電機功率為22kW，因此可選用艾默生EV2000-4T0220G/0300G型號的變頻器，它采用低頻自動轉矩提升技術保證通用電機在0.5Hz時的啟動轉矩能達到180%，自動轉差矢量控制技術可使轉速在開環(huán)狀態(tài)下的精度保持在0.5%以內，它有很強的負載適應性和環(huán)境適應性，具有過熱、過載、欠壓、過壓、過流等保護功能。

　　KM1變頻啟動接觸器和KM2工頻啟動接觸器由控制柜上的轉換開關控制，M為三相拖動電機，SP為電流型壓力傳感器。為保證系統(tǒng)的性，變頻系統(tǒng)與原直接啟動電路采用互鎖并聯(lián)的方式，以便當變頻器出現故障時可切換用原系統(tǒng)，確?，F場經驗鐵道機車車輛工人生產的連續(xù)性和性。

　　該變頻器采用內置PI反饋控制，對空壓機實行閉環(huán)控制：壓力給定值通過電位器設定，壓力反饋值為來自SP的020mA電流信號，輸入到變頻器的CCI口，從而實現恒壓控制，使儲氣壓力保持在一恒定值上。R、S、T端子接三相交流電源；U、V、W是變頻器的輸出端，接到電機上；P24是變頻器內部提供的+24VDC輸出；CCI為外部模擬量輸入端；FWD為功能可編程選擇端口，接受控制柜上的起、停開關信號命令；VRF為外接頻率設定用的+10VDC輔助電源。

　　VCI為電壓模擬量輸入通道，它接受壓力控制指令；TA、TC為可編程繼電器輸出，出廠時已設置為故障繼電器輸出節(jié)點，當變頻器出現故障時，控制柜上的故障燈就會發(fā)出報警信號，使操作人員及時發(fā)現并切換至工頻運行，保證生產的連續(xù)進行。變頻器大大降低了電機的起動電流，因而大大減少了對電網和設備的沖擊，延長了設備的使用壽命。

　　實踐證明，空壓機在變頻運行方式下比工頻運行方式節(jié)電36%45%。變頻運行控制系統(tǒng)實用方便，降低了設備噪音，控制的度和可靠性高，保護功能強，保證了氣動設備的可靠運行，減少了設備故障停機時間。

水泵控制模塊控制軟件流程簡圖水泵的控制有三種方式。方式1：系統(tǒng)僅使用一臺水泵變頻運行，單片機檢測軟件定時器狀態(tài)，間隔24小時自動進行水泵切換。方式2：當水泵運行到50赫茲，而管網壓力還低于設定值，則1號泵降速，2號泵工頻啟動，兩臺泵同時運行。反之，則1號泵升速，2號泵停止運行。方式3：與方式2類似，區(qū)別是不直接工頻啟動2號泵，而是1號泵投入工頻運行，再軟啟動2號泵，電流沖擊小，可節(jié)省降壓啟動器。

　　總之，在供水系統(tǒng)中推廣微電子和變頻技術，利用異步機變頻調速原理維持管網恒壓，不僅取消了調節(jié)水箱，而且提高了供水質量，水泵由變頻器驅動減少了電氣和機械沖擊，交流接觸器在無電負荷的情況下閉合，延長了工作壽命，并且可以滿足不同工作環(huán)境要求。

從調試和運行情況來看，磁控軟起動裝置有優(yōu)點：裝置采用由晶閘管控制磁飽和電抗器的原理，實現對高壓、大容量電動機的降壓（限流）軟起動，與晶閘管軟起動裝泵頻率達50Hz而壓力又不夠，則2＃泵轉為工頻，起動1＃泵變頻運行，供水系統(tǒng)又回到“1工1變”的運行狀態(tài)。當然，若變頻器工作頻率已達50Hz，而壓力仍不足時，則將變頻泵又切換成工頻運行，再由變頻器去起動3＃泵，供水系統(tǒng)處于“2工1變”運行狀態(tài)，組成新的“一拖三”系統(tǒng)。變頻器參數設定變頻器的參數設定在調試過程中是十分重要的，如果參數設定不當，不能滿足生產的需要，導致起、制動失敗或工作時常跳閘，嚴重時會燒毀功率模塊IGBT或整流橋等器件。多機能輸出接點：P―75設為3，當檢出頻率f77時，輸出接點R1A、R1B動作?？蓪―77頻率到達設定在供水系統(tǒng)中采用變頻調速技術，系統(tǒng)可根據實際設定水壓自動調節(jié)水泵電動機的轉速或加減泵，使供水系統(tǒng)管網中的壓力保持在給定值，以達到大限度的節(jié)能、節(jié)水、節(jié)地、節(jié)資，使系統(tǒng)處于可靠運行狀態(tài)，實現恒壓供水。EA置比較，性高，成本低。

　　應用西門子PLC（可編程序控制器），實現對磁飽和電抗器的閉環(huán)控制及微電子數字控制，使起動電流平穩(wěn)，同時可以根據電網情況靈活設置起動電流大小，并具有網絡通信功能。成功地將三相磁飽和電抗器合為一個整體，共用一個直流勵磁繞組，使結構緊湊，占地面積小，為1500mm×4軟起動方式是3倍左右額定的恒流軟起動，軟起動時間為30～40s，軟起動重復性好，完全滿足生產工藝要求。

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漳州鼎晟達自動化設備有限公司

聯(lián)系人：藍經理（銷售經理）

手機：18150695049

QQ ：2880842794

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AIRPAX K19203-D4 METER - ALT P/N 2503573-404 HONEYWELL

Allen Bradley Style Overload Relay Bulletin 815 Type B4

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FOXBORO I/A SERIES P0400VE FIELDBUS ISOLATOR

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Fuses Assortment

G.E. CR120J22002 GENERAL PURPOSE RELAY -

GE 15D1G2 Electrical Coil General Electric Control 15D1-G2 Coil

GE 22D135G102 Control Coil 115V 60HZ style

GE 22D135G4 Control Coil 380/460V 50/60H style

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GE 5K49PN4120 1.5HP 3-Phase AC Motor UN

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GE Statotrol 1/2HP 115V Open 6VFWC1050

GE THFP364 200 A 600 V 3 P Panel Board Switch style

GE/Fanuc IC4484A169 Oscillator Rebuilt

Gear Train 2752-1 Demin but in Good Condition

GEMINI BALL VALVE 2-86-4-RT-6 720 CWP

Gems Zener Barrier Safe Pak 42740

GENERAL ELECTRIC STYYE COIL 22D153G4

GENERAL ELECTRIC 3240635 COIL SURPLUS

GENERAL ELECTRIC 55-501493G23 208/200V COIL SURPLUS

General Electric 800 amp A-Series II Panelboard with Breakers 277/480 - 2yrs

GENERAL ELECTRIC CR22D135G003 230V COIL SURPLUS

GENERAL ELECTRIC GE VANE LIMITED LIMIT SWITCH CR115A11 in box

General Electric Replacement Coil 15D21G024 --

General Electric TFJ236100 100 Amp Circuit Breaker Style No Red Trip

General Electric TFJ236200 Style 200 Amp Circuit Breaker

General Electric THFK236125 125 Amp Circuit Breaker Style

General Electric THFK236200 200 Amp Circuit Breaker Style

German fashion wooden 3D picture box Diorama ELECTRICIAN WORKSHOP ELEKTRIKER

Good reliable Modicon Micro PLC 110-CPU-612-03 16xDI 12xDO 4xAI 2xAO.

GOULD I-T-E EF3-A010 CIRCUIT BREAKER 10A

Graham Varispeed 2000 176B6016 NOS NIB

HAYWOOD 10 BUTTERFLY VALVE Body PPL Disc PVC /

HERION 8510700.8404 REGULATOR VALVE

HI LO 3 HP MOTOR 130 VDC 2672 WATTS P/N M-220530

Hobart 375693A02 Welder Control Board

Hobart R374600R8 Welder Board 374600

Hoffman ACORD12 Fan Power Cords

Honeywell Magnetic Speed Sensor Motion Transducer 3040A .3040A -

HONEYWELL MICRO MODULATED LIGHT SWITCH FE MLS 7A 1011 NEVER /

Honeywell Micro Switch BZE-RNX1 ---------

HONEYWELL ROSEMOUNT FLOW METERS 2 NIB

HP 6267B REGULATED DC POWER SUPPLY. BUT WORKING WARRANTY

HP 8924C Power Supply P/N 0590-2952 / 2 yr warranty $40 credit for supply

HUBBELL HBL9430-A/-STYLE NSPP HBL9430ASTYLE

HUBBELL HBL9430-A/-STYLE USPP HBL9430ASTYLE

HUGHES B108035-110 HV Module

HUMPHREY 125-4E1 1/8 SINGLE SOL. 4 WAY VALVE

HVCA JH537 Micro Rectifier /

Hydroline Pneumatic cylinder Q5DC-2.5X3In. stoc

IDEC Izumi PFJ-N011A -

IDEC Izumi PFJ-N081U - - FACTORY SEALED

IDEC Izumi PFJ-N161U - - Factory Sealed

IDEC Izumi PFJ-T081U -

IDEC RSSD-40A STYLE DISC. SS RELAY

Interlock set of 7 all

INTERMATIC T175 MECHANICAL 24 HOUR TIME SWITCH THE SKIPPER

INTERMATIC T2006 7 DAY DIAL TIMER

ITT General Controls Hydramotor Actuator H10A120B5 120 VAC

ITT General Controls Hydramotor Actuator H11A321B5 120 VAC

JAGENBERG 3341432 CONDUCTOR PLATE

Joslyn Clark Contactor Size 3 5003A3001-21 --

KAWASAKI 1AS-53 BOARD 50999-1360R30

KD2400 CUTLER HAMMER BREAKER NIB

Kenco Pumps 115C Submersible Mercury Float Control Surplus in Box

KEROTEST MARSH N1513 NEEDLE VALVE 3/8 FFG ALLOY 10000 PSI

Klockner & Moeller Contactor DIL00-52-NA-24 -NIB

KLOCKNER-MOELLER NZMH4-63-CNA FREE USA PRIORITY S/H

LAFERT ST63S4 1/4 HP MOTOR .25HP 1600RPM FROM L1

LANDIS & GYR PTM6 2P1K - -

LEEDS & NORTHRUP 10215-1-0 MEDIUM TORQUE ELECTRIC ACTUATOR

LESSON 985-642D 1/8 HP GEAR MOTOR 90V DC. UN FROM . L1

LH Research TMA 22-12 115-230V A01 Power Supply PN: 855553-553 LOT

Linear 7703405UAG SILVER Vintage 1969 COLLECTIBLE

Lot - Thermocouple Connectors Type J 5prs. Ceramic Omega

Lot of store Electronic parts Transistors lamps

Lot of 1 P-1 Thermistor Sensor. RARE . VINTAGE USSR FREE SHIPPING

Lot of 1000 6080WA Thomson

Lot of 2 Allen Bradley Roller Assembly Style X-160915

LOT OF 5 SQUARE D QO120GFI 1 pole 20 amp GFI breakers 2 style 3 style

Lot of 8 Allen Bradley X-457011 in bag

Lot of Two Cutler-Hammer D26MR40A Type M Relays

LS CONTACTOR GMC-100 3 POLE NO BOX

M965A1072 MODUTROL MOTOR

Magnetic Starter Combo GE CR308B1041AXATDAE USA MADE N/R

MAGPOWER DFP DANCER/FOLLOWER POSITION SENSOR

Marathon1453594 Power Block

Micro Switch EX-AR Explosion Proof Switches 6

MicroScan FIS-0003-0002G MS-3 MS-3 Compact Laser Barcode Scanner

Midori Precisions LP-50F-1 Servo Actuator # K3596508 no box

Millipore OIL Gauge SCALE 01-0109-E -/ 30psi/hg Power Switch

Minster 490-0084 High Speed Relay Un

Mitsubishi HC-MF13 AC Servo Motor in box box Free Ship

Mitsubishi lot of 8 various PLC components. in factory packaging

Mitsubishi Melsec F1-20P-E F1-20P programming panel in Box Free Ship

Mitsubishi Melsec PLC Module FX-2DA Over 95% in box Free Ship

MODICON AS-B352-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA

MODICON AS-B355-001 OUTPUT MODULE FREE SAME DAY SHIPPING USA

MODICON AS-M480-008 8K MEMORY CARTRIDGE -

Modicon MA-4947-200 P180 Keyboard Rev D

MORSE CADET 25 MOTOR SPEED CONTROL 157615 1/4HP

Motoman Dongles / Hardware Keys / RB-K01940

Motorola M2000-355 CRT Monitor 5031.E NOS in origional box

Motortronics LC2-1-P 240/480V Drive

MSA MiniOX Responder Oxygen Detector P/N 710965

MTS / CSM model MPD-10-460-03 servo drive surplus

MTS CSM Incol 473 part number 113791-69 or Gordos PB-24HQ

MULTILINK 10Gb/s Optical Transceiver MTC21208A /

Murphy Swichgage RPM Guage -

Namco Limit Switch EA130-14200 un surplus -NIB

NB31200F WESTINGHOUSE CIRCUIT BREAKER 900 Amp 3 Pole 600 Volt

NCC TIMER 1.2-120 SECONDS 24 VDC

NOS VINTAGE CAPACITOR 2-363A004H118 7019 NO MARKINGS UNTESTED -FREE SHIP-

Oil Proof Limit Switch Micro Switch LSZ7A2B / 7550 item

OMEGA 6102RTD-0-600C IN BOX

Omega FMA-904-I-S -

Omron C200H-RM201/C200HRM201 Remote I/O Very Box Free Ship

OMRON C500-ASC04 in Box Free Ship

OMRON C500-BC091 In Box Free Ship

OMRON CPU Unit C200HX-CPU64-E in Box Free Ship

Omron CV500-IC201 I/O Control Unit CV500IC201 in Box Free Ship

Omron E39-X4 Light Source

OMRON H5-CN-BN TIMER SOURCE:12 TO 48VDC UN FROM . OB1

OMRON Sysmac C60 K Programmable Controller PLC

Omron Z4D-F04D Micro Displacement Sensor UN

Opto 22 B4 32-channel Digital Brain Pamux Board -

Opto 22 G4 IAC5 Solid State Input Module G4IAC5 UN

ORMEC AC SERVO MOTOR MAC-B200F/K1A FREE SHIPPING

Ormec F Series Part # PAC-F50R 230vac 50amp power supply -

PARKER 1/4 H 3 WAY SLIDE SEAL VALVE 008230109 UN FROM PB1

PARKER AW TWO WAY VALVE 015210145 0408 UN FROM PB1

PARKER DIRECTIONAL CONTROL VALVE MODEL D3W2CNYC 14 UN FROM PB1

Pass Seymour legrand occupancy sensor switch OSC3020-GRY /

PB32DEC OPTO 22 QUAD 8-MODULE POSITION MOUNTING RACK

Phase Sequence Indicator Model HV 3500 Volts No Info on Manufacturer

PHD ROTARY ACTUATOR R23R6090-A-M UN FROM P1

PHD SLIDE & CYLINDER TS061X5-A-M UN FROM P1

Philips M1116B Thermal Array Recorder in Box

Phoenix Contact FL Cats Terminal Box 2744610 CH NO 3001057260

Pilz Relay 774150 Contact expander module stok

Pinion Gear ID 60 mm OD 5 3/4 44Tooth

PLC DIRECT D2-CTRINT UN FROM PB1

POSITIVE CONTACT SCU100--VERSION USPP SCU100VERSION

Potter & Brumfield KRP11AG

Potter & Brumfield KRP14A

Potter & Brumfield KRP14AG

Potter & Brumfield KRP14DG

Potter & Brumfield KRP5DG

Potter & Brumfield Relay KA5DG12 KA5DG-12 -NIB

Potter & Brumfield Relay KHS17D11 un surplus -NIB

Potter & Brumfield Relay R40-E1-Y4-V800 R40E1Y4V800 --

PowerTran CNB-5K 5 KVA Transformer - NOS

PRECISION TIME SWITCH CD101 24HR

RAYTEK THERMALERT MID RAYMIC10LT

RAYTEK THERMALERT MID RAYMICD10LT

Red Lion PRS1 Plug-In Speed Switch PRS10101

REDPLUS TPC4LF MICRO SWITCH INVENTORY NOT

REEL 800 parts IRF1010NL HEXFET MOSFET VDSS 55V RDS 11mOHM ID85A

Rehfuss German Gearbox 1:48 # SM051WG-IEC71C St

RELAY ARMATURE 5945-189-3073 /

RELIANCE ELECTRIC 0-57302 PC BOARD

RELIANCE P56H5068U 1/2 HP 1725 RPM ELECTRIC MOTOR 3PH 208-230/460 VOLT

Rexroth amplifier board VT5011/12 S33 R5 engl. #4 .

REXROTH MANNESMANN 4WMR6E50. UN FROM . VB1

RIDGID E-1666 X JAW INSERTS # 44715

Robertshaw Acragage 0 to 150 PSI Bronze Tube & Socket un - surplus

Rosemount 22698-03 2269803 Model 381

ROSS LOCK OUT EXHAUST VALVE 1523C5002

Ross Operating Valve 800K87 Service Kit Box

RTC 7289RT = 3CX100A5 = 2C39A Lot of 200

S&S 22.701.308-33 120V COIL FOR CA3-37/43

Sanwa 380-CE Multimeter Analogue multimeter

Schafner FN352Z-10/03 Line Filter

Schneider ATS48C11Q in Box Free Ship

Schneider TSX Compact AS-P120-000 Aux. Power Supply UN

Schneider/Modicon Twido Module TWDAMI2HT Box

SCOTLE-TS2 Thermocouple Wire Temperature Sensor Magnetic Her For ACHI

SIEMENS 3VU1600-1MM00

Siemens 505-7028. Catalog number 505-7028 surplus.

SIEMENS 6ES7 314-1AF11-0AB0 6ES73141AF110AB0 in Sealed Box Free Ship

Siemens 6ES7 392-1AJ00-0AA0 Simatic Connector lot of 2

SIEMENS 6SE7090-0XX84-0AD1 Card 6SE70900XX840AD1 version in Box

Siemens Allis Contactor 200A Quality USA Coil 125vdc

SIEMENS Bus Strap Kit 6JJ1 Obsolete JD JJ JL HJ

SIEMENS MQJ3225KH 225AMPS Circuit Breakers -

Siemens3NA3807Fuse Link20A500VAC

Siemens3RF2120-1AA22 SS Relay20A

Siemens3RH1131-1BG40Control Relay

Siemens5SY52047Supplement Protector

Siemens5SY6325-7UL1077 Sup. Prot 3

Siemens8WA1010-1PH01Term Blocks 49

SIGMA 5R 1000 G-SIL 7137 RELAY SURPLUS

SMITH JONES 1/2 HP 1725 RPM MOTOR

Sola Mini/Micro Computer Regulator MCR Series 63-13-115-6

SPEED CONTROL PACK MODEL SS21-UL UN FROM IN BOX OB1

SPRECHER SCHUH CT 1-10 RELAY NO BOX

SPRING-O-MATIC TORSION REELS 33LBS@40'

Square D Circuit Breaker Panel Circuit Breakers RARE

SQUARE D 31041-400-60 480 VOLT COIL NIB

Square D 8502 EG2 Size 3 Contactor Nema 1 Enclosure Style but look $ NIB

Square D 8536 EO1 8536EO1 SIZE 3 MOTOR STARTER Style

Square D 9037HG31 Closed Tank Float Switch Industrial

SQUARE D 9998-FA81 Size 4 3 Pole Style Contact Kit

square d coil part LXD1G7 120 v 50/60hz

SQUARE D CONTACTORS TWO 8502AO2 VERY SIZE 00 3PH UN

Square D PDC6KA4 3-Pole Lug Kit UN

SQUARE D PRESSURE SWITCH 9012 GBW-21

Square D S1707 Style Starter Coil 208-220 Volt

Square D Solid State Timing Relay 9050 JCK-11 Series A Made In USA

square D type pg-4 class 8501 ser A relay

STEVECO 90-109 lockout relay .../

STRUTHERS-DUNN INC S-D 425XBX18 RELAY

Sylvania QFP24 Plug-In 175A 3-Pole 240VAC Breaker

Sylvania QFP24 Plug-In 175A 3-Pole 240VAC Breaker Small Defect

SYLVANIA QFP24 QFP24-200-3 pole 240 volt 200 amp IN BOX

TAMURA -12/15CC USPP 1215CC

TAMURA -512BB USPP 512BB

Taylor Mag Pipe Sensing Head 3 Pipe Hazadorous Locations

T-Bar Switch Relay 801-12C-24 80112C24 -NIB

Tektronix P6138A Oscilloscope Probe Kit - - Factory Sealed Package

Tektronix P6139A Oscilloscope Probe Kit - - Factory Sealed Package

Tektronix Tek 492 49XX Power Supply Style Works

TELEMECANIQUE CONTACTOR LC1D0910G6 UN FROM TB1

Telemecanique Contactor LC1D2510 Electrical Part LC1 D2510

TELEMECANIQUE LA1DN11 CONTACT BLOCK UN FROM TB1

TELEMECANIQUE LA1DN22 CONTACT BLOCK UN FROM TB1

TELEMECANIQUE LC1D4011G6 CONTACTOR UN FROM TB1

TELEMECANIQUE PROXIMITY SWITCH XS2M18PA370 LOT OF 2 in box

TELEMECHANIQUE E20F0L1K1 NO BOX

TEXAS INSTRUMENTS 305-05N INPUT MODULE

TFJ236150WL WITH AUXILIARY SWITCH CIRCUIT BREAKER 150AMPS

TFK236T080 TRIP UNIT

TFK236T200 TRIP UNIT

THE RILEY CO. PANALARM 50-X3 RELAY WITH PANALARM WB-3 FREE SHIP

THERMO KING VXT Thermo Expansion Valve 306 1137 XB-1019

THOMSON LINEAR BEARING CARTRIDGE w/ HOUSING. P/N: PBO-32

THREE Dayton 3X742A Relays with mounts

TIGEAR 2 20Q40R56 REDUCER. RATIO 40:1

TRANE -0145 NSFP 0145

Turck RKM56-2M MiniFast Cordset ID #U5122

Turck U0895-18 U-0895-18 Euro Fast Cable E-RFS8T-930-5

Two boxes of tubes FU29 FU32 6P3PJ 6P6P 6N8P 6B8P

Un Control Solutions LFM-440 Discrete Input Controller 30VDC @2mA

Unimax Micro Limit Switch #KFB2HB-5

UniMeasure/80 Multi Purpose Transducer

VEEDER ROOT COUNTER 166736-006 - no box

VICKERS BUSHING 6043 in box

VICKERS CHECK VALVE DGPC-06AB51

VICKERS COIL 507852 NIB FROM VB1

VICKERS VALVE GPF1S10AW20 GPF1S 10 AW 20

Vicor Model: VI-RF011-EYYY Vicor VI-RF011-EYYY NIB surplus

VIDEO JET POWER SUPPLY 348778 MAKE OFFER

VINTAGE DURANT MFG PRODUCTIMETER COUNTER NUMBERER

VINTAGE PLASTIC CAPACITORS INC LK 125-504 .5 MFD 12.5 KVDCW UNTESTED $0 SHIP

VINTAGE PLASTIC CAPACITORS INC LK 200-104 .1 MFD 20 KVDCW

VINTAGE VACUUM TUBE TESTER EICO MODEL 625 UNTESTED GOOD COSMETIC SHAPE

VINTAGE/ ANEMOMETER/ANEMOGRAPH WIND TESTER NO RESERVE

Vtg Transco Switch-RF Coaxial SP4T 14300 28VDC RF Transmission Line

WallBrand WB200 Branding Marker 200 Watt 120 vac

Warner Electric/Seco PCM620 620 DC Motor Drive Control Board UN

WEKSLER SA24-3PPP-RWBX 0-1000 PSIG GAUGE

Weschler Ammeter GA-372 644B639A15 0 to 100 AC Amperes --

WESTINGHOUSE B211K0CA SIZE 0 REVERSING CONTACTOR

WESTINGHOUSE CONTROL RELAY BF62F in box

Whedco SMD-3041-1-A Servo Controller UN

Willett PCB 2600 Interface W40260840

Year 1968 Production HIOKI Static Tester HK-52F For 43Years TooL Collect USE

YUNTO UPS BACKUP POWER SUPPLY P750

ZTRON DREXEL BROOKS 402-3000 120 VAC 5 WATT

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MKD041B-144-KG1-KW電機

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