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AOFI-69
AOFI-69
AOFI-69
Modicon AS-M484-100
Modicon AS-M484-104
Modicon AS-M485-002
Modicon AS-M485-008
Modicon AS-M507-008
Modicon AS-M507-016
Modicon AS-M680-108
Modicon AS-M680-116
Modicon AS-M707-004
Modicon AS-M84A-001
Modicon AS-M84A-002
Modicon AS-MBII-001
Modicon AS-MBPL-001
Modicon AS-OTBP-000
Modicon AS-P120-000
Modicon AS-P180-010
Modicon AS-P180-011
Modicon AS-P190-112
Modicon AS-P190-212
Modicon AS-P370-000
Modicon AS-P371-001
Modicon AS-P371-002
Modicon AS-P420-000
Modicon AS-P421-431
Modicon AS-P421-XXX
Modicon AS-P451-522
Modicon AS-P451-622
Modicon AS-P451-681
Modicon AS-P464-001
Modicon AS-P464-002
Modicon AS-P484-600
Modicon AS-P530-OMA
Modicon AS-P800-003
Modicon AS-P800-003
Modicon AS-P801-001
Modicon AS-P810-001
Modicon AS-P820-000
Modicon AS-P830-000
Modicon AS-P930-000
Modicon AS-P933-001
Modicon AS-P964-000
Modicon AS-S010-000
Modicon AS-S210-010
Modicon AS-S212-250
Modicon AS-S290-021
Modicon AS-S491-000
Modicon AS-S491-100
Modicon AS-S902-001
Modicon AS-S902-051
Modicon AS-S902-061
Modicon AS-S902-071
Modicon AS-S902-081
Modicon AS-S902-111
Modicon AS-S902-131
Modicon AS-S902-141
Modicon AS-S902-151
Modicon AS-S902-171
Modicon AS-S908-022
Modicon AS-S908-120
Modicon AS-S911-800
Modicon AS-S911-801
Modicon AS-S978-000
Modicon AS-T151-000
Modicon AS-T152-611
Modicon AS-T190-000
Modicon AS-T190-401
Modicon AS-T211-001
Modicon AS-T384-001
Modicon AS-T384-002
Modicon AS-T384-002
Modicon AS-T484-001
Modicon AS-T484-002
Modicon AS-T584-001
Modicon AS-T584-002
Modicon AS-T584-005
Modicon AS-T584-006
Modicon AS-T584-101
电子技术是十九世纪末到二十世纪初开始发展起来的新兴技术,二十世纪发展迅速,应用广泛,成为近代科学技术发展的一个重要标志。在十八世纪末和十九世纪初的这个时期,由于生产发展的需要,在电磁现象方面的研究工作发展得很快,1785年法国科学家库伦由实验得出电流的库仑定律。1895 年,荷兰物理学家亨得里克·安顿·洛伦兹假定了电子存在。1897年,英国物理学家汤姆逊(J.J.Thompson)用试验找出了电子。1904年,英国人J.A.Fleming 发明了简单的二极管(diode或 valve),用于检测微弱的无线电信号。 1906 年,L.D.Forest 在二极管中安上了第三个电极(栅极,grid)发明了具有放大作用的三极管,这是电子学早期历史中重要的里程碑。1948 年美国贝尔实验室的几位研究人员发明晶体管。1958 年集成电路的第一个样品见诸于世。集成电路的出现和应用,标志着电子技术发展到了一个新的阶段。
电子技术研究的是电子器件及其电子器件构成的电路的应用。半导体器件是构成各种分立、集成电子电路基本的元器件。随着电子技术的飞速发展,各种新型半导体器件层出不穷。现代电力电子技术的发展方向,是从以低频技术处理问题为主的传统电力电子学,向以高频技术处理问题为主的现代电力电子学方向转变。电力电子技术起始于五十年代末六十年代初的硅整
电子产品
电子产品
流器件,其发展先后经历了整流器时代、逆变器时代和变频器时代,并了电力电子技术在许多新领域的应用。八十年代末期和九十年代初期发展起来的、以功率MOSFET和IGBT为代表的、集高频、高压和大电流于一身的功率半导体复合器件,表明传统电力电子技术已经进入现代电力电子时代。
Modicon AS-T584-102
Modicon AS-T584-103
Modicon AS-T584-104
Modicon AS-T584-105
Modicon AS-T584-106
Modicon AS-T584-107
Modicon AS-T584-204
Modicon AS-T584-205
Modicon AS-T584-205
Modicon AS-T884-004
Modicon AS-T884-004
Modicon AS-T984-004
Modicon AS-T984-101
Modicon AS-T984-103
Modicon AS-T984-104
Modicon AS-T984-105
WESTINGHOUSE JB3150W USPP JB3150W
WESTINGHOUSE JB3150W CIRCUIT BREAKER 150 AMP
WESTINGHOUSE JB2225W USPP JB2225W
WESTINGHOUSE JB2200 USPP JB2200
Westinghouse JB JB3250NW 250 amp 3 pole Breaker circuit JB3250
Westinghouse JB JB3225W 225 amp 3 pole Breaker Chipped
Westinghouse JB JB3225W 225 amp 3 pole 225 trip Breaker
Westinghouse JB JB3200W 200 amp 3 pole Breaker circuit
Westinghouse JB JB3175W 175 amp 3 pole Breaker circuit
Westinghouse JB JB3150W 150 amp 3 pole Breaker circuit
WESTINGHOUSE JB JB3100W 3 POLE 100 AMP SHUNT BREAKER
WESTINGHOUSE JB JB3100W 3 POLE 100 AMP SHUNT BREAKER
Westinghouse JB JB2175W 175 amp 2 pole Breaker circuit
Westinghouse JAM-TD Protection Module 2608D22G12
Westinghouse JAM-TD Protection Module 2608D22G12
Westinghouse JAM-TD Protection Module 2608D22G12
Westinghouse JAM Protection Module 2608D22G01
Westinghouse JAM Protection Module 2608D22G01
WESTINGHOUSE JAM NSFP JAM
WESTINGHOUSE JAM NSFP JAM
Westinghouse JA3225W 225A Breaker JA Frame 600V 225 Amp Cutler Hammer CH
WESTINGHOUSE JA3225NW USPP JA3225NW
Westinghouse JA3225NW 3 Pole Circuit Breaker 600 VAC 225 Amps
WESTINGHOUSE JA3200W USPP JA3200W
WESTINGHOUSE JA3200W USPP JA3200W
WESTINGHOUSE JA3175W USPP JA3175W
WESTINGHOUSE JA3175 USPP JA3175
Westinghouse JA3150XZ 150 A 600V 3 Pole Circuit Breaker
WESTINGHOUSE JA3125W USPP JA3125W
WESTINGHOUSE JA3125W USPP JA3125W
Westinghouse JA3125 AB Deion Circuit Breaker
WESTINGHOUSE JA3125 3 POLE CIRCUIT BREAKER
WESTINGHOUSE JA3125 3 POLE CIRCUIT BREAKER
Westinghouse JA3100S 100 AMP Circuit Breaker 8102
WESTINGHOUSE JA2225NW USPP JA2225NW
WESTINGHOUSE JA2225 USPP JA2225
WESTINGHOUSE JA2225 USPP JA2225
Westinghouse JA2200W circuit breaker 2 pole 200 amp 657D791G08 TESTED WARRANTY
WESTINGHOUSE JA2200 USPP JA2200
WESTINGHOUSE JA2200 USPP JA2200
Westinghouse JA2200 Circuit Breaker 200A 2-pole
Westinghouse JA2200 Circuit Breaker 200A 2-pole
WESTINGHOUSE JA JA3225X 3 POLE 225 AMP BREAKER
WESTINGHOUSE JA JA3225W 3 POLE 225 AMP TRIP BREAKER
WESTINGHOUSE JA JA3225 3 POLE 225 AMP TRIP BREAKER
Westinghouse JA JA3200w 200 amp trip 3 pole breaker
Westinghouse JA JA3175w 175 trip 3 pole circuit breaker
Westinghouse JA JA3175w 175 trip 3 pole circuit breaker
Westinghouse JA JA3175w 175 trip 3 pole breaker
Westinghouse JA JA3175w 175 trip 3 pole breaker
Westinghouse JA ja3175 breaker 175 amp 3 pole
Westinghouse JA ja3175 breaker 175 amp 3 pole
WESTINGHOUSE JA JA3150X 3 POLE 150 AMPTRIP CIRCUIT BREAKER
WESTINGHOUSE JA JA3150 3 POLE 150 AMP AUX BREAKER
WESTINGHOUSE JA JA3150 3 POLE 150 AMP 600V BREAKER
WESTINGHOUSE JA JA3150 3 POLE 150 AMP 600V BREAKER
WESTINGHOUSE JA JA3125W 3 POLE 125 AMP TRIP BREAKER
WESTINGHOUSE JA JA3125W 3 POLE 125 AMP BREAKER
WESTINGHOUSE J3225 NSPP J3225
WESTINGHOUSE J20 USPP J20
WESTINGHOUSE J20 USPP J20
WESTINGHOUSE J20 NSFP J20
WESTINGHOUSE J11 USPP J11
WESTINGHOUSE J11 NSFP J11
WESTINGHOUSE J11 AUXILIARY CONTACT C960228 J-11 NIB
WESTINGHOUSE J11 AUXILIARY CONTACT C960228 J-11 NIB
Westinghouse J11 auxiliary contact
WESTINGHOUSE J02 USPP J02
WESTINGHOUSE J02 QUANTITY 2N.C. MODEL A AUXILIARY CONTACT
WESTINGHOUSE I-TEKTOR SOLID STATE OVERCURRENT DEVICE STYLE6273C07G05
Westinghouse ITE 400 amp circuit breaker LBB3400W
WESTINGHOUSE ITAPN-363H USPP ITAPN363H
WESTINGHOUSE ITAP363 DE-ION SWITCH BUSWAY 100 AMPS 600 V
WESTINGHOUSE ITAP-362H USPP ITAP362H
WESTINGHOUSE ITAP-362 USPP ITAP362
Westinghouse ITAP362 G fusible switch 60 amp 3p 3w 600v TESTED-REPORT-WARRANTY
WESTINGHOUSE ITAP ITAP364HG ITAP364G 200 AMP 600V FUSIBLE FBUSS BUS PLUG
WESTINGHOUSE ITAP ITAP364H 200 AMP 600V FUSIBLE FBUSS BUS PLUG
WESTINGHOUSE ITAP ITAP363HG ITAP363G 100 AMP 600V FUSIBLE BUSS BUS PLUG TAB
WESTINGHOUSE ITAP ITAP363HG ITAP363G 100 AMP 600V FUSIBLE BUSS BUS PLUG TAB
WESTINGHOUSE ITAP ITAP363HG ITAP363G 100 AMP 600V FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP363HG ITAP363G 100 AMP 600V FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP363H1A 100 AMP 277/480V FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP363H 100 AMP 600V FFUSIBLE BUSS BUS PLUG BROKEN TAB
WESTINGHOUSE ITAP ITAP363H 100 AMP 600V FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP363G GROUND 100 AMP 600V FUSIBLE FBUSS BUS PLUG
WESTINGHOUSE ITAP ITAP363G GROUND 100 AMP 600V BUSS BUS PLUG BROKEN TAB
WESTINGHOUSE ITAP ITAP362HG ITAP362G 60 AMP 600V FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP361HG ITAP361G 30 AMP 600V FFUSIBLE BUSS BUS PLUG TAB
WESTINGHOUSE ITAP ITAP361HG ITAP361G 30 AMP 600V FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP361G 30 AMP 600V GROUND FFUSIBLE BUSS BUS PLUG
WESTINGHOUSE ITAP ITAP322 60 AMP 240V BUSS BUS PLUG
WESTINGHOUSE IQDP USPP IQDP
WESTINGHOUSE IQ1000-II USPP IQ1000II
WESTINGHOUSE IQ1000 USPP IQ1000
Westinghouse IQ-1000 II 2D78558 Relay Motor Circuit Protector Interface Panel
WESTINGHOUSE IQ DATA PLUS II WITH IPONI 2D78522
WESTINGHOUSE IQ DATA PLUS II WITH IPONI 2D78522
Westinghouse IQ Data Plus II w/ Pwr Sply and PONI