A61L-0001-0093

详情描述：

A61L-0001-0093A61L-0001-0093A61L-0001-0093-------------------------------------------------------------------------------------北上广不相信眼泪黑吉辽不相信喝醉江浙沪不相信邮费陕甘宁不相信水费京津翼不相信好肺福建宇创不相信货贵找我买产品不相信服务不到位！！！不吹牛，低于同行15个点，欢迎来电垂询！   主营产品：DCS集散式控制系统、PLC可编程控制器、数控系统、(CPU处理器、模块、卡件、控制器、伺服驱动、工作站、驱动器、马达、 内存卡、 电源，机器人备件等)各类工控产品   主要业务: ABB DCS卡件AB 1756，1747，1785系列 PLC CPU，Siemens 6DD，6FX，6SC，6FC，6S5系列，Foxboro系统卡件，Triconex系统模块，Rexroth力士乐全系列产品，Modicon停产模块 等各类工控产品Schneider（施耐德）140系列PLC,CPUOvation 系统模块----------------------------------------------------------------------------------------伺服与变频的一个重要区别是： 变频可以无编码器，伺服则必须有编码器，作电子换向用.一、两者的共同点：交流伺服的技术本身就是借鉴并应用了变频的技术，在直流电机的伺服控制的基础上通过变频的PWM方式模仿直流电机的控制方式来实现的，也就是说交流伺服电机必然有变频的这一环节：变频就是将工频的50、60HZ的交流电先整流成直流电，然后通过可控制门极的各类晶体管（IGBT，IGCT等）通过载波频率和PWM调节逆变为频率可调的波形类似于正余弦的脉动电，由于频率可调，所以交流电机的速度就可调了（n=60f/p ，n转速，f频率， p极对数）二、谈谈变频器：简单的变频器只能调节交流电机的速度，这时可以开环也可以闭环要视控制方式和变频器而定，这就是传统意义上的V/F控制方式。很多的变频已经通过数学模型的建立，将交流电机的定子磁场UVW3相转化为可以控制电机转速和转矩的两个电流的分量，大多数能进行力矩控制的著名品牌的变频器都是采用这样方式控制力矩，UVW每相的输出要加霍尔效应的电流检测装置，采样反馈后构成闭环负反馈的电流环的PID调节；ABB的变频又提出和这样方式不同的直接转矩控制技术，具体请查阅有关资料。这样可以既控制电机的速度也可控制电机的力矩，而且速度的控制精度优于v/f控制，编码器反馈也可加可不加，加的时候控制精度和响应特性要好很多。三、谈谈伺服：驱动器方面：伺服驱动器在发展了变频技术的前提下，在驱动器内部的电流环，速度环和位置环（变频器没有该环）都进行了比一般变频更的控制技术和算法运算，在功能上也比传统的伺服强大很多，主要的一点可以进行的位置控制。通过上位控制器发送的脉冲序列来控制速度和位置（当然也有些伺服内部集成了控制单元或通过总线通讯的方式直接将位置和速度等参数设定在驱动器里），驱动器内部的算法和更快更的计算以及性能更优良的电子器件使之更优越于变频器。电机方面：伺服电机的材料、结构和加工工艺要远远高于变频器驱动的交流电机（一般交流电机或恒力矩、恒功率等各类变频电机），也就是说当驱动器输出电流、电压、频率变化很快的电源时，伺服电机就能根据电源变化产生响应的动作变化，响应特性和抗过载能力远远高于变频器驱动的交流电机，电机方面的严重差异也是两者性能不同的根本。就是说不是变频器输出不了变化那么快的电源信号，而是电机本身就反应不了，所以在变频的内部算法设定时为了保护电机做了相应的过载设定。当然即使不设定变频器的输出能力还是有限的，有些性能优良的变频器就可以直接驱动伺服电机Cutler-Hammer 1775K PMPP1700 PanelMate "Exchange"From Germany   CUTLER HAMMER 1775T PMPP 1700 OPERATOR INTERFACE PANEL 24V-DC 23W 1.1A B210733   PANELMATE CUTLER HAMMER POWER PRO 1785K PMPP 1700 1785K-PMPP-1700 1785KPMPP1700   CUTLER HAMMER PANELMATE 1775K PMPS 1700 92-01876-03 USED   CUTLER HAMMER 1775T-PMPP-1700 USPP 1775TPMPP1700   CUTLER HAMMER 1755K-PMPP-1700 USPP 1755KPMPP1700      Yaskawa Circuit Board JANCD-PC20, JANCDPC20, REV D03, DF8202135/D0, JANCD-PC2O   Used Yaskawa PCB Board JANCD-MCP01 DF9200650-C0N REV D04   Yaskawa JANCD-CP11 DF8203078-C0 Rev D1 Motoman Robot PC Control Board   Yaskawa JANCD-MSV02 Rev. D01 DF9200664-D0From GermanyYaskawa Motoman PC Board JANCD-CP11 Rev.D DF8203078-D0 In Very Good Condition !!   Yaskawa Motoman PC Board JANCD-MCP02B-1 Rev.D DF9201890-A0 In great Shape !!!!!!CACR-HR03BAB12-Y50 CACR-HR03BAB12-Y73 CACR-HR03BAB12-Y8 CACR-HR03BAB11 REPAIR   CACR-HR05BAB12-Y4 CACR-HR05BAB12-Y50 CACR-HR05BAB12-Y73 CACR-HR15BAB REPAIR   CACR-HR02AAB12 CACR-HR02BAB11-Y5 CACR-HR02BAB11-Y50 CACR-HR02BAB12-Y50 REPAIR   CACR-HRA5BAB11-Y5 CACR-HR01BAB12-Y105 CACR-HR01BAB12-Y50 CACR-HR01AAB12 REPAIR   Yaskawa CACR-HR03BAB12Y50 ServopackFrom GermanyYaskawa CACR-HR03BAB12Y50 Servopack "Exchange"From GermanyYaskawa CACR-HR03BAB12Y50 Servopack "Repair fix priceFrom GermanyYaskawa CACR-HR02BAB12Y76 ServopackFrom GermanyYASKAWA ELECTRIC CACR-HR03BAB12Y50 USPP CACRHR03BAB12Y50   1782 Yaskawa Servo Pack Mod: CACR-HR01BAB12Y60   Bently Probe 3300 XL 8mm 330101-00-24-10-02-05 Transducer 3301010024100205From PakistanBENTLY NEVADA 3300 XL 8MM PROBE 330101-00-60-10-02-05   BENTLY NEVADA PROXIMITY SWITCH 3300 XL 8MM 330101-00-30-10-02-05 NEW   BENTLY NEVADA PROXIMITY SWITCH 3300 XL 8MM 330101-00-40-10-02-05 NEW   BENTLY NEVADA 330101-00-20-10-02-05 NSPP 3301010020100205   BENTLY NEVADA 330101-00-08-05-02-05 NSPP 3301010008050205   BENTLY NEVADA 330101-02-12-05-02-00 NSPP 3301010212050200   BENTLY NEVADA 330101-00-08-05-02-05 USPP 3301010008050205   BENTLY NEVADA 3300 XL 8MM PROBE 330101-00-12-10-01-05   BENTLY NEVADA 3300 XL 3300XL 8MM 330101-00-32-10-02-00 PROXIMITY SENSOR / TRANSDPower-One MAP40-1005C MAP401005C Power SupplyFrom PhilippinesCom-net 15-port BNC Device w/ 1*MAP40-1005 1*ASM1011 5*ASM1031 Parts & Repair   POWER ONE MAP40-1005 NSFP MAP401005   POWER-ONE POWER SUPPLY MAP130-1005 NEW   NEW POWER-ONE POWER SUPPLY MAP130-1005   Power-One MAP130-1005C Switching 115/230V DC Power Supply 5VDC Single 1005   NEW Power-One MAP130-1005C Switching 115/230V DC Power Supply 5VDC Single 1005   NEW POWER ONE MAP130-1005 POWER SUPPLY MAP1301005   Power One MAP80-1005 DC Power Supply 15 & 5 VDC 1,4,14A   Power-one MAP42-1024 MAP421024 Power Supply 40WFrom PhilippinesPower One MAP40-3500 Power Supply 40W Cont Output Power   1x MAP42-1012 Power One Open Frame Power Supply 40W 12VDC 3.4AFrom IsraelPower-One MAP42-1024 DC Power Supply 24V 40W working Semitool 73147-42 lot of 6   Fanuc MMC Circuit Board A16B-2201-0590 A16B22010590 includes all plug in boards   Fanuc A16B-2201-0134/05A SRAM (BMU) A16B-2201-0134   GE FANUC A16B-2201-0320/04B A16B-2201-0320 MAIN-BFrom CanadaGE FANUC A16B-2201-0101/06A A16B-2201-0101 PCBFrom CanadaNewly listedFANUC A16B-2201-0101 MEM A4 A16B-2201-010 MEMORY A16B22010101 A16B-2201-0101   GE FANUC M-NET BOARD A16B-2201-0771/02A A16B-2201-0771   GE FANUC A16B-2201-0091/03A A16B-2201-0091 OPT2CFrom CanadaGE Fanuc A16B-2201-0791/02B A16B-2201-0791 VISIONFrom CanadaGE FANUC A16B-2201-0580/03CA16B-2201-0580 LR MATEFrom CanadaFANUC PCB - ADD. I/O + 4TH AXIS *USED* W/ WARRANTY - A16B-1210-0590From IsraelGE Fanuc A16B-2201-0791/03B A16B-2201-0791 VISION NEWFrom CanadaNEW For ABB 3HAC028357-001 DSQC679 3HAC028357-001From Hong KongNEW ABB robot teaching box 3HAC031683-001 DSQC679 teaching communication cableFrom Hong KongDSQC 652 - Digital I/O 24V for ABB robots - 3HAC 025917-001/00From FranceDSQC 564 - FLASH DISK 64MB for S4C+ control systems, ABB robots - 3HAC022104-001From FranceABB 3HAC028357-001 Teach Pendant Repair only!!      ABB 3HAC028357-001 Teach Pendant Repair only!!   NEW For ABB 3HAC028357-001 DSQC679 3HAC028357-001From Hong KongService Repair / Riparazione - ABB IRC5 Flexpendant - 3HAC028357Touch Panel ReplacementFrom ItalyNEW ABB 3HAC15899-1 CABLE CONNECTOR XT58.2 XP57 3HAC022190-001   ABB 3HAC0017-001 PUSH BUTTON BREAK SYSTEM 93-36 BOARD, NEW*   ABB Teach Pendant Pendan Membrane Keypad 3HAC023386-001 newFrom Hong KongABB IRC5 Teach pendant, 3HAC023195-001   NEW ABB Teach Pendant Pendan Membrane Keypad 3HAC024173-001 fkfkfgFrom Hong KongNEW ABB Teach Pendant Pendan Membrane Keypad 3HAC025622-001 XfffFrom Hong KongNEW ABB Teach Pendant Pendan Membrane Keypad new 3HAC025561-001From Hong KongNEW ABB 3HAC 031851-001/03 3HAC031851001 Serial Measurement Board   NEW ABB Teach Pendant Pendan Membrane Keypad 3HAC025593-001 bgbgbgbFrom Hong KongHONEYWELL T675A 1508 REMOTE BULB TEMPERATURE CONTROLLER *NEW IN A BOX*   Honeywell T675A 1508 T675A1508 Remote Bulb Temp Control   Newly listedHONEYWELL T675A 1508 REMOTE BULB TEMPERATURE CONTROLLER   Honeywell Type T675 A 1508 Remote Bulb Temp Control   NEW HONEYWELL TEMPERATURE CONTROL T675A 1508   HONEYWELL T675A 1508 REMOTE BULB TEMPERATURE CONTROLLER *NEW IN A BOX*   HONEYWELL T675A1508 TEMPERATURE CONTROLLER WITH COPPER BULB SENSING ELEMENT   Honeywell T675A-1565 Temperature Controller T675A1565   HONEYWELL T675A1706 TEMPERATURE CONTROL T675A 1706   NEW - Honeywell Insertion Thermostat P/N T675A 1003   HONEYWELL T675A1441 INSERTION THERMOSTAT   Honeywell Thermostat T675A 1771 Freeze Stat   Honeywell T675A 1540 Remote Bulb Temperature Control Controller T675A-1540   Honeywell T675A-1466 Insertion Thermostat ! NEW !From CanadaHoneywell Remote Bulb Temperature Control *New* T675A1136   Honeywell T675A-1411 Insertion Thermostat Control *NEW*   (T3-3) 1 NEW HONEYWELL T675A 1102 THERMOSTAT. T3-3.      Fanuc Alpha Series 7.5 KW AC Spindle Motor, A06B-0854-B927 #3141, Used, WARRANTY   FANUC SERVO MOTOR A06B 0854 B100   Fanuc A06B-0854-B100 Spindle Motor - One Unit   Fanuc A06B-0854-B100 AC Servo Motor Spindle 22-31A 200V 5.5-7.5kW ! WOW !From CanadaA06B-0851-B190 Fanuc Spindle Motor   Fanuc A06B-0757-B190/3100R Spindle Motor   A06B-0853-B190#3000 GE FANUC REMANUFACTURED   FANUC AC SPINDLE MOTOR aT6/12000 A06B-0854-B927#0741   Fanuc A06B-0851-B190 Spindle Motor   FANUC A16-B-2200-0854 without modules TESTED WARRANTY   SEW-EURODRIVE SERVO MOTOR WAF20DT71D4From Canada   SEW EURODRIVE WAF30DT71D4 GEAR 1/2HP 330-575V-AC 1700RPM ELECTRIC MOTOR B204346   SEW EURODRIVE WAF30DT71D4 GEAR 1/2HP 330-575V-AC 1700RPM ELECTRIC MOTOR B204352   SEW Eurodrive WAF20 DT71D6 M1A GetriebemotorFrom GermanySEW Eurodrive Getriebemotor WAF30 DT71D6From GermanySEW Getriebemotor WAF30 DT71D4/TF Motor Bremse 1380/29 U/min. Spiroplan 0,37 kwFrom GermanySEW EURODRIVE WAF30DT71D4 GEAR MOTOR 1/2 0.5HP 575V 1700RPM CONT DUTY 77577   Sew-Eurodrive Motor, WAF20 DT63N4, New   SEW Eurodrive WA20DT71D4 Drive WA20 DT71D4   SEW Getriebemotor WAF30 DT71D4 BMG E- Motor Bremse 42-52U/min. NEU M1B SpiroplanFrom GermanySEW EURODRIVE WA20DT71D4 USPP WA20DT71D4         SEW Getriebemotor NEU Bj.2012 S47 R17 DR63M4BR NM168 U/min 1360/6,6 S47R17DR63M4From GermanyR17 DR63L4/BR/TH/ISU4 SEW Getriebemotor ISU4 DR63, Neu, inkl. GarantieFrom GermanySEW Getriebemotor R17 DR63L4From GermanySEW Eurodrive RF17DR63L4 neu und andereFrom GermanySEW WF20 DR63M4/TF und andereFrom GermanySEW Eurodrive R17 DR63L4/TFFrom Germany89642 Old-Stock, Multivac R32DR63M4 Motor Gearbox 1320/112 R/Min 0.18KW   SEW Eurodrive R17 DR63S4/BR/HR GetriebemotorFrom GermanySEW Eurodrive Getriebemotor R17 DR63L4/ASD1From GermanySew-Eurodrive R17 DR63LA/ASD1 Motor Drive   SEW Getriebemotor R27 DR63L4 R27DR63L4 GEBFrom GermanyKUKA (V)KRC1 / (V)KRC2 Interbus PCI-Master/Slave-Karte IBS PCI SC/RI-LKFrom GermanyKUKA (V)KRC1 / (V)KRC2 Interbus PCI-Master/Slave-Karte IBS PCI SC/RI-LKFrom GermanyKUKA (V)KRC1 / (V)KRC2 Interbus PCI-Master/Slave-Karte IBS PCI SC/RI-LKFrom GermanyKUKA (V)KRC2 Handpultverlängerung X19, Länge 10m , Art. 00-132-349, NEUFrom GermanyKUKA ROBOT 00 108 548 7M KRC2 MOTOR CABLE, NEW   KUKA Power Supply, KPS-600/20-ESC, Art.-Nr. 00-115-115 , KRC2 / VKRC2From GermanyKUKA ROBOT 00 108 469 15M KRC2 MOTOR CABLE, NEW   KUKA KCP2 Control Panel Teachpendant KUKA KCP2 für KRC2-SteuerungFrom GermanyKUKA Robot KR200 COMPACT KRC2 ControllerFrom NetherlandsKUKA Servomodul, KSD1-16, Art.-Nr. 00-105-350 , KRC2 / VKRC2From GermanyKUKA Servomodul, KSD1-48, Art.-Nr. 00-105-413 , KRC2 / VKRC2From GermanyKUKA Servomodul, KSD1-48, Art.-Nr. 00-105-413 , KRC2 / VKRC2From GermanyKUKA KRC2 / VKRC2 ESC-Platine, Art.-Nr. 00-106-290From GermanyKUKA KRC2 / VKRC2 Multifunktionskarte MFC2 (00-108-766) + DSEIBS-3N (00-108-313)From GermanyKuka Power Supply Silverline for KRC2 00-103-033 NEW!!!   KUKA HARD DISK KRCI-KRC1A-KRC2From ItalyKUKA KRC2 / VKRC2, CI3-Extended a. Adapterp. , Art.-Nr. 00-138-205 , NEU / OVPFrom GermanyFAIRCHILD TD6000-401 *USED*   Fairchild TD6000-401 TD-6000-401   Fairchild Transducer TT-6000-401   NEW FAIRCHILD TA6000-401 ELECTRO PNEUMATIC 20-120PSIG TRANSDUCER B207544   WESTAMP INC TD6000 NSPP TD6000   FAIRCHILD INDUSTRIAL PROD TT-6000-401 USPP TT6000401   FAIRCHILD INDUSTRIAL PROD TT-6000-401 NSFP TT6000401   FAIRCHILD INDUSTRIAL PROD TD6000-005 NSFP TD6000005   FAIRCHILD INDUSTRIAL PROD TD6000-905 NSFP TD6000905   FAIRCHILD INDUSTRIAL PROD TD6000-005 USPP TD6000005   FAIRCHILD INDUSTRIAL PROD TD6000-906 NSFP TD6000906   FAIRCHILD TD6000-46 *NEW OUT OF BOX*      Alerton Ibex TX-16160 DDC Controller TX16160 Used   ALERTON TX-16160 USPP TX16160   ALERTON TX-16160 NSFP TX16160   Alerton Ibex Tux Tx-16160 New In Package Unopened   NEW ALERTON IBEX TUX DIRECT DIGITAL CONTROLER TX-16160 16 input 16 ground-switchAlerton TX-16160 Bactalk controller NEW RETAIL $3000.00ALERTON VLC-16160 NSFP VLC16160   Alerton TX-653P   NEW ALERTON VLC-16160 BACTALK CONTROLLER NIBFrom ChinaALERTON VLC-16160 USPP VLC16160   ALERTON VLC-16160C3 NSPP VLC16160C3   Newly listedAlerton Tx Sa 651   Alerton VLC-16160C3   Alerton Tx Sa 653P used   Newly listedAlerton Tx Sa 653P used      Newly listedALERTON TX-651-PULSE used   ABB 3HAC5518-1 S4C+ M2000 Robot Controller Bus Cable DB15From CanadaABB 3HXD1443-60 3HAC7998-2 IRB2400, 4400, 6400 Robot Control Signal Cable 15MFrom CanadaABB 3HAC3354-1 IRB640, 840, 2400, 4400, 6400 Robot Customer Power & Signal 15MFrom CanadaDSQC 652 - Digital I/O 24V for ABB robots - 3HAC 025917-001/00From FranceDSQC 564 - FLASH DISK 64MB for S4C+ control systems, ABB robots - 3HAC022104-001From FranceABB 3HAC028357-001 Teach Pendant Repair only!!         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ABB 3HAC0017-001 PUSH BUTTON BREAK SYSTEM 93-36 BOARD, NEW*   ABB IRC5 Teach pendant, 3HAC023195-001NEW ABB 3HAC 031851-001/03 3HAC031851001 Serial Measurement Board   ASEA BROWN BOVERI 3HAC7434-001 NSFP 3HAC7434001   DSQC 652 - Digital I/O 24V for ABB robots - 3HAC 025917-001/00From FranceASEA BROWN BOVERI 3HAC9181-001 NSPP 3HAC9181001   ASEA BROWN BOVERI 3HAC026289-001 USPP 3HAC026289001   DSQC 564 - FLASH DISK 64MB for S4C+ control systems, ABB robots - 3HAC022104-001From FranceASEA BROWN BOVERI 3HAC9186-001 NSPP 3HAC9186001   TANK OIL SIZE 25RCS 3HAC9186-001 NNB      ASEA BROWN BOVERI YB560103-CC USPP YB560103CC   ABB Drive Control YB560103-CC/10   ABB DSQC 236C Drive Unit YB560103-CC   ABB DSQC236C YB560103-CC/9 USEDFrom LithuaniaABB YB560103-CF/1 DSQC237 ROBOTIC FILTER PCB CIRCUIT BOARD CONTROL B202523   ABB ROBOTICS DRIVE CONTROL BOARD DSQC 236C YB560103-CC/7   ABB ROBOTICS DRIVE CONTROL BOARD DSQC 236C YB560103-CC/9   ABB ROBOTICS DRIVE CONTROL BOARD DSQC 236C YB560103-CC/10   ABB ROBOTICS DSQC-224 YB560103-BE/2 I/O ANALOG OUTPUT BOARD CONTROL CARD B201264   ABB ROBOTICS DRIVE CONTROL BOARD DSQC 236C YB560103-CC/5      Siemens 6GT2800-5BD00 Simatic RF300 TRANSPONDERFrom Germany2800mAH B600BC CE Battery + AC Charger For Samsung Galaxy SIV S4 I9500 GT-I9500From China2800mAH B600BC Battery + AC Charger For Samsung Galaxy SIV S4 I9500 GT-I9500From ChinaSiemens 6GT2800-6BE00 Simatic RF300 Transponder RF370T 64 kb FRAM   Lot Of 4 Tubes 6AC7, 25AV5GT, 25AX4GT, 17D4GT   Siemens 6GT2800-5BE00 Simatic RF300 Transponder RF370T 32 KB Fram   Siemens 6GT2800-5DA00 SIMATIC RF300 TRANSPONDER RF380T HEAT-PROOF 32kb FRAM   Siemens 6GT2690-0AC00 MOBY D ANTENNA SWITCH FOR CONNECT   90 CCM ZYLINDER Malossi GY6 für KYMCO Yager GT 50 4 Takt AC NEUFrom GermanySIEMENS 6GT2-800-4BB00 NSFP 6GT28004BB00         Foxboro FBM207b P0914WH 16 Point Isolated Contact Sense   BLACK and Maple Wood Knob Liberty Hardware P50094V-FBM-C Box of 20   Foxboro P0916JS-0E FBM207b 24Vdc Contact Sense 16 Input   BLACK and Maple Wood Knob Liberty Hardware P50094V-FBM-C Box of 20   Liberty P50094-FBM-C Maple & Flat Black Drawer Cabinet Knob Pull 1 3/16" dia   Foxboro P0916IS 0E RY0336 0455 Terminal Block FBM207b Contact Sense Input   ISUZU Amigo / Rodeo Computer ECU 8943862520 FBM-I02C   FOXBORO FBM-17C DISCRETE WIRE CABLE TERMINATION TERMINAL CONTROL B208173   Mercedes 207D 2.4D 84 89 BRAKE MASTER CYLINDER FBM4367From United KingdomMercedes 207D 2.4D 84 89 BRAKE MASTER CYLINDER FBM4365From United KingdomGATES A21 NSPP A21   BROWNING A21 NSFP A21   MUELLER 21A NSFP 21A   MUELLER 21A NSPP 21A   MUELLER 21A USPP 21A   MEASUREMENTS GROUP VE-21A USPP VE21A   ASCO 104A21 USPP 104A21   TELECRANE F21A USPP F21A   ASCO 8223-A21 NSFP 8223A21   SPECTROL 21A11 USPP 21A11            GATES A21 NSPP A21   BROWNING A21 NSFP A21   MUELLER 21A NSFP 21A   MUELLER 21A NSPP 21A   MUELLER 21A USPP 21A   MEASUREMENTS GROUP VE-21A USPP VE21A   ASCO 104A21 USPP 104A21   TELECRANE F21A USPP F21A   ASCO 8223-A21 NSFP 8223A21   SPECTROL 21A11 USPP 21A11            FiberOptions GE Security - S731DVT-EST1   FiberOptions GE Security S730DVT-EST1   GE SECURITY S732DVT-EST1 Digital Video with Bi-Directional DataFiBER OPTiONS S730DVT/EST2 MM ViDEO UNIV TX 2 FiBER MPD   NEW EDWARDS/EST CAT# 3-12/S2Y EST 3-12/S2Y 12 LED SWITCHES WITH YELLOW LEDS!!!   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