描述
并非是零線不能接地線。在線路正規(guī)的地方零線往往是接地線的。但對(duì)于國(guó)內(nèi)亂拉亂扯來(lái)說(shuō)。將零線接了地線。那邊電路將火線和零線接反了。后果就很嚴(yán)重。再者國(guó)內(nèi)很多線路都裝設(shè)漏電保護(hù)器。零線一接地。它就跳閘了。
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絕 對(duì)優(yōu)勢(shì),絕 對(duì)低價(jià)!絕 對(duì)正品,優(yōu)質(zhì)的產(chǎn)品,一流的服務(wù),充足的庫(kù)存,
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(福克斯波羅):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
ABAXIS PICCOLO 100-1000 PORTABLE CHEMISTRY ANALYZER
COHERENT INNOVA 90 LASER With POWER SUPPLY/CONTROLL?ER
CRYOTIGER 1 T1102-13-000-30 CRYOGENIC REFRIGERATION SYS
AE/AMAT HFV 8000 3155083-151 5KW RF Generator
LECROY IF001UTA-X SAS-SATA-INFUSI?ON PROTOCOL ANALYZER
EDWARDS QDP40/QMB250F DRY PUMP/MECHANICAL BOOSTER
ADEPT 10332-22000/303?32-22350 SIO/IDE BOARD ROBOT
NESLAB HX-50 1250W/115V RECIRCULATING CHILLER
THERMO NESLAB MERLIN M33 RECIRCULATING CHILLER
OLYMPUS WM-D60 MOBILE WORKSTATION W/SCOPE HANGER
PFEIFFER VACUUM TPH 180H U DN 100 ISO-K,2P TURBO PUMP
Thermo Neslab Merlin M25 115V Recirculating Chiller
OLYMPUS WM-D60 MOBILE WORKSTATION W/SCOPE HANGER
OLYMPUS WM-D60 MOBILE WORKSTATION W/SCOPE HANGER
LEYBOLD MAG.DRIVE L TURBO PUMP CONTROLLER
VALHALLA SCIENTIFIC 2301 DIGITAL POWER ANALYZER
PROGRAMMABLE SINGLE PHASE
OLYMPUS WM-DP1(DOUBLE WIDE)MOBILE WORKSTATION
TDI/JUNIPER ERX-2400-PWR 19″3U MPS POWER SUPPLY RACK
ASPECT T-1 24 PT BYPASS UNIT W/RING VOLTAGE GENERATOR
ASSOCIATED RESEARCH 6554SA QUADCHEK ANALYZER W/GPIB
ENI DCG-100 DCG6M-A11200001?0P 5KW DC PLASMA GENERATOR
OLYMPUS MAJ-1430 ENDOSCOPY VIDEO PIGTAIL CABLE
ALCATEL 2033 DUAL STAGE ROTARY VANE VACUUM PUMP
HP 6033A 0-20V/0-30A 200W DUAL DC System Power Supply
ADEPT 10332-22000 SIO2/IDE HD UPGRADED TO 30332-22365
Brook Hansen WD132SD 5.5 KW/3-PH/RPM 1740 AC Motor NEW
EBARA HV-8 8″CRYO TURBO VACUUM PUMP
GIGA-TRONICS 8542C DUAL CHANNEL UNIVERSAL POWER METER
ADEPT PA-4 30336-31000R ROBOT CONTROLLER CHASSIS
STRYKER ENDOSCOPY X6000(REF 220-185-000)LIGHT SOURCE
SIEMENS 6ES7414-2XG01-0?AB0 CPU 414-2 Module Simatic S7
BARNES SE51AU SUBMERSIBLE NON-CLOG.5 HP PUMP(NEW)
NOVELLUS 02-103970-00 MODULE CNTRLR,P166/64 CONTROLLER
FLUKE 123 Series INDUSTRIAL SCOPEMETER 20 MHz
NOVELLUS 02-133876-00 ASSY SYS CONT,P166/64 CONTROLLER
CTI CRYOGENICS 8112099G009 CONTROLLER CABLE 96G23 AH
STRYKER ENDOSCOPY Q5000(REF 220-180-000)LIGHT SOURCE
HP 54111D 2CH/500MHz Digitizing Oscilloscope
AE/RFPP LF-5 500W Water Cooled RF Generator
ALCATEL MDP 5011 CERAMIC MOLECULAR DRAG PUMP 7.5 LPS
CTI Cryogenics Cryo-Torr 7 High Vacuum Pump(HELIX)
Adept 10332-11400 MI-3 Motion Process Controller Board
HP 8568A SPECTRUM ANALYZER W/85662A DISPLAY
Fluke 96B SCOPEMETER Series II 60 MHz
Adept SCSI VME SIO 30330-12350/103?30-12350 MODULE ROBOT
STRYKER SIDNE SUITE INTEGRATED CONTROL 240-020-900
SCIENTIFIC ATLANTA DYNAMICS SD380 SIGNAL ANALYZER
SIEMENS SIMATIC 6ES5 304-3UB11 S5 INTERFACE MODULE(NEW)
NSK LH25 Z Actuator Qty4 Linear Motion Guide Rail Qty2
HP 16500B W/3-16557D/1-16?520A Logic Analysis System
NOVELLUS 02-8105157-00 ASSY,SYS.CONT,P?166/64,24V
NOVELLUS 02-8105005-00 MOD CNT,P166,24V,W/?8 RS232
FORCE SPARC CPU-1E/4 600-11566-101 VME PROCESSOR BOARD
SOLOS ENDOSCOPY ELS-2 XENON ARC AUTOMATIC LIGHT SOURCE
TOHNICHI 2.4 BTG A TORQUE GUAGE 2.4-0.05 LBF-IN
DAYTON 3N376B 3-HP/3-PHASE/AC MOTOR(NEW)
BALDOR JMM3613T/5 HP/3 PH/AC INDUCTION MOTOR
GW GPC-3030D DUAL TRACKING W/5V FIXED DC POWER SUPPLY
Adept Technology 10332-00500R VJI JOINT INTERFACE BOARD
LYTRON RC006 KODIAK RECIRCULATING CHILLER
STRYKER ENDOSCOPY SERFAS RF GENERATOR 278-100-000
Adept Technology 10332-00505 EJI JOINT INTERFACE MODULE
ROHDE&SCHWARZ URV35 LEVEL/VOLT METER 1020.0002.03
HERAEUS INSTRUMENTS BIOFUGE 15R WITH DIGITAL DISPLAY
HVA 21241-0609R Vacuum Gate Valve Pneumatic 6″
SOLOS ENDOSCOPY VCM-2 GS 9400S
LEYBOLD INFICON IQ200 CONTROLLER VACUUM IQ 200
Adept Technology 10332-10250 VGB MODULE ROBOT
Adept Technology 10332-00500 VJI JOINT INTERFACE MODULE
ABB S4N+SACE PR211 600V 250A S4 CIRCUIT BREAKER
Panoview 92″Fixed Frame Graywolf II Projector Screen
NOVELLUS 02-132030-00 ASSY MOD CONT,P166/64 CONTROLLER
MKS TYPE 649/649A HE 10Torr/10 SCCM Pressure Controller
PARKER 4450-DM PRECISION LINEAR SLIDE
OKI DX-250/255 PRECISION DISPENSING SYSTEM DX 250(NEW)
STRYKER ENDOSCOPY QUANTUM 4000 LIGHT SOURCE
LECROY CATC SAS001MG SAS/SATA EXERCISER POD
UNIT UFC-1100A 100 SCCM MFC MASS FLOW CONTROLLER(NEW)