描述
交流电首先经过一个由保险丝和压敏电阻组成的保护电路,保险丝主要起过流保护作用;压敏电阻则起过压保护作用。在正常工作情况下,电路的压敏电阻相当于断路。当电网电压波动或受外界影响(如闪电,电源突然接入等)而引起电压瞬间激增时,压敏电阻会自动导通,并由压敏电阻和保险丝组成回路。由于高压下的压敏电阻阻值较小,所以回路电流很大,保险丝自动断开,这样就起到了保护内部电路的作用。该保险丝是可以自恢复的,也就是说,它可以反复使用而无需更换。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
KLA-Tencor AIT1 Robot Distr.Assy.PCB 530352 Working
KLA-Tencor AIT1 Olympus Microscope Assembly Working
ENI DCG-200 20kW DC Power Supply DCG-200Z 0190-22954
ENI GHW-12 GHW-12Z Genesis RF Generator 0190-06988
Nikon Optistation 3 Microscope Assy W/Accessories
Daikin Heat Exchanger Brine Chiller Unit TBR15BM
Kensington Transfer Robot 25-3700-1425-08 working
Kensington Transfer Robot 25-3700-1425-10 working
Kensington Transfer Robot 25-3700-1425-08 working
AE RF Bias Match 3155031-037A not working 1110-00056
AE RF Match 3155031-037A not working 1110-00056
Shimadzu 20M 90 Deg Turbopump Cable Set 262-78462-56V1
Velmex Unislide 200mm Rotary Table B4818TS working
ENI GHW-12Z Genesis RF Generator 1250W working
Adlink AMAT cPCI-3720 Single Board Computer 0190-19561
Yaskawa 8-Axis Motion Controller SMC 2000-8DM working
Equipe PRI Robot Controller SC8-41000-000 untested
Neslab HX 300 Chiller HX+300W/C 0190-77428
Yaskawa Nikon NSR S202 Controller DDCVR-CR1041 working
Nikon NSR S202 Controller 4K171-841-3 working
CPS TFE High Volt Power Supply 1966-00-0030 untested
Nikon NSR-202 Stepper Power Controller RR-002V1.3
Nikon NSR S202 DUV Scanner Scan Module working
Yaskawa Nikon NSR S202 Scanner Robot Elevator Module
Nikon NSR-S202A 200mm Wafer Handler Prealigner working
NovaScan 420 Nova Applied Materials AMAT NOVA 840
Daikin Heat Exchanger Brine Chiller Unit TBR15AMX
ASML 200mm Stepper DSC 7911 PCB 6810116041
TEL Tokyo Electron 100mm Back Plane Heater A112654
JEOL 7500 Heat Magenetic Chamber FEG WS-7555FEGH/IP
Lam Lower Electrode ASM Drive 853-250589R001 Refrbshd
AMAT Applied Materials RF Match 0010-09416
AMAT XR80 Implanter Wafer Arm Controller 9090-00099ITL
AMAT 13.56MHz RF Match 0010-09146 refurbished
AMAT XR80 Implant Power Distribution Unit 9090-00104ITL
AMAT XR80 Implant Power Distribution Unit 9090-00194ITL
TEL Tokyo Electron Throttle Valve Assembly A112990
TEL Tokyo Electron 100mm Back Plane Heater A121893
Lam Research DI Disp Core Assembly 122940800 New
ASML Stepper Library Brake 851-0618-003 working
BioRad Quaestor Q7 Controller W/Tape/Disc Drive&PCBs
AE Advanced Energy PDX 1250 RF Generator 3156024-131A
AE RF Match Network 3155031-032A AMAT 0190-01402
AMAT Glassman High Volt Power Supply PS/KL030N100YUA
VAT Pneumatic Gate Valve 12148-PA44-AK01 working
Brooks CryoTiger Compressor T1101-01-000-14 working
VAT Pneumatic HV Gate Valve 14046-PE24-AAL1 new
V-Tex Vacuum Rollcam Slit Valve 200803-25-0013-02 new
Nikon NSR Series Interface Unit Z-X4P/12-A0702C
Tokyo Electron ACT 8 Chem Cab Buffer Tank Assembly
Varian Turbo-V 1800 Controller 9699461S002 E23000028
Leybold Varian Turbopump Controller NT 1000 112087001
Varian E1000 Chamber Interface 101927004 working
AMAT XR80 Implanter Monitor Interface 9090-00279ITL
AMAT XR80 Implanter Monitor Interface 9090-00661ITL
Hitachi M-511E THK 200mm Wafer Indexer
Hitachi M-511E 200mm Wafer Prealigner Rorze Driver
AMAT XR80 Implanter Monitor Interface 9090-00100ITL
BioRad Quaestor Q7 Microscope Turret With Objectives
Thermo Electron DEI Water to Water Cooler Chiller
Microbar Trackmate Chemical Cabinet
Nikon Optistation 3 X Y Stage With Encoders
Varian TV 301 Vacuum Turbopump SQ424 working
VAT Pendulum Gate Valve Series 16.5 DN 63-320 w/Heat
ASML A5401A/B Preamp PCB Assembly 859030003