描述

所選定的斷路器還應按短路電流進行靈敏系數校驗。靈敏系數即線路中最小短路電流(一般取電動機接線端或配電線路末端的兩相或單相短路電流)和斷路器瞬時或延時脫扣器整定電流之比。兩相短路時的靈敏系數應不小于2，單相短路時的靈敏系數對于DZ型斷路器可取1．5，對于其他型斷路器可取2。如果經校驗靈敏系數達不到上述要求，除調整整定電流外，也可利用延時脫扣器作為后備保護。

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主營：世界知名品牌的PLC、DCS系統(tǒng)備件模塊

②Schneider(施耐德電氣)系列產品》

③General electric(通用電氣)系列產品》

④Westinghouse（美國西屋）系列產品》

⑤SIEMENS(西門子系列產品)》

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（?？怂共_）：I/A Series系統(tǒng)，FBM（現場輸入/輸出模塊）

順序控制、梯形邏輯控制、事故追憶處理、數模轉換、輸入/輸出信號處理、數

據通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余（TMR）

結構的zui現代化的容錯控制器。

⑨Siemens(西門子)：Siemens MOORE，Siemens Simatic C1，Siemens數控系統(tǒng)等。

⑩Bosch Rexroth（博世力士樂）：Indramat，I/O模塊,PLC控制器,驅動模塊等。

◆Motorola（摩托羅拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

Alcatel APA8-Board 3EH73031AE 8 ports Analog trunk New

Suunto X-Lander Military Watch Black SS012926110 GIFT

OMRON Interactive Display NS5-SQ01-V1 Mainboard only

Thrane&Thrane DC AC Battery Alarm module 51564 24 97

Boeing 65B03189-37 607XZO SEAL Fabric Covered Rubber

TER Wire Controller 52312604 NEW

New EUCHNER TZ1RE024MVAB Safety Switch 083966

Wartsila spare FOR2-PIECE-NOOZ?LE Fuel Injector Cap Nut

Wartsila SCRAPER RING 3 PARTS 300*230*32 NEW

New OKUMA A911-2809 E4809-770-145 SRAM6M+FLASH16M CARD

PowerWave Antenna 7012.00 RET SB New

New EUCHNER TZ1RE024M Safety Switch 082051

BW SR-Q07 VOC PID Sensor 10.6ev 32mm 118327 NEW

NCR RealPOS 7884 Single Window Scanner 788410009090 NEW

SAUTER ACTUATOR 578785-01 for ALFA LAVAL

STG-2 Rotor Blade for 80C2 High Pressure Turbine AsIs

SAMELECTRONICS HS05 Transmitter Power Switch NG3028G204

SAM ELECTRONICS Cables Transmitter S-BAND NG3029G006

JRC NJS6930A RADAR FRONT END New Spare

MITSUBISHI SW2D5C-QD75P GX Configurator-QP Version 2

CK L16 Series Linear Actuator L1621-16-2/2.3C

UNIT UFC-8165 6L H2 Flow Controller Refurb Spare

UNIT UFC-1660 500cc He Flow Controller Refurb Spare

UNIT UFC-8100 500cc CF4 Flow Controller Refurb Spare

JRC JUE-85 LRIT upgrade kit NEW

Leuze Contrast Scanner KRTG 20M/N-20-1320-S?12 NEW

ABS BTCS EBD Controller for 2003 Chrysler 300M 3.5L

Lot 3 Hand Crimp Tools SUNX SL-JPC SL-JPE SL-JPS NEW

IP05 IP ENGINE ipanema xx-256-CF512-2-?X-G4

New PACKETEER Fiber Bypass Switch FSW-MMF

IR ARO 666120-311-C DIAPHRAGM PUMP&4 129121-400-B NEW

volkel Thread-cutting-?tool KIT Hand Taps Dies Set 55pcs

New EUCHNER TZ1LE024M Safety Switch 082050

Magnetek power supply control board 3F14.15.1F ED:SM3 P

X-Rite DTP22 Digital Swatchbook Spectrophotomet?er used

lot 5000 IRC 2R21-F CHP11002R21F LF POWER RESISTORs NEW

Wartsila spare part INDICATOR VALVE with Flange

Parker 45800745-1 SMSQ2MICRO30102 veriflo Regulator New

UNIT UFC-8165 200CC SiH4 Flow Controller Refurb Spare

Lot 1000 CMOS SRAM AS7C3256-15TC ALLIANCE 0.29/pc NEW

TOYOPUC FL/ET-T-V2 THU-5998 10M Base-t Ethernet TOYODA

Agilent ZORBAX SB-C8 835975-906 HPLC Column 4.6×50 NEW

Agilent ZORBAX 300SB-C18 5 4.6*50 Column 860950-902 NEW

BTCS EBD Controller for 2003 Dodge Caravan 3.8L V6

Molex JHTR1031C 0011260006 Hand Crimp Tool NEW

Agilent 5065-9913 ZORBAX 300SB-C18 trap columns 5/pk

Nippon MS Compact Motorized Ball Valve AM2MS205UUP NEW

BW 114413 GAMIC-DL2-IR-PC?B1 Main PCB GasAlertMicro IR

Suunto X-Lander Black Leather Strap SS012197310 NIB

Agilent Multi Affinity Removal Column 5185-5984 expired

PELCO CC3651H-2X Digital CCD Color Camera Lowlight DSS

Danfoss VLT Compact Starter MCD 202-015-T4-CV3 NEW

LINCOLN 84015 series D Lube Timer New

ERICSSON ROF1377846/1 R1D ETB/ETP Board New

USED Symbol PDT3100 8 line display Barcode Scanner

ThyssenKrupp Elevator LEV DOOR 6300MP2 Control Board

Baldor DC Servo Motor MT-3353-BLYAN USED

SAMSUNG SDN-550 Camera&AVENIR TV Zoom Len TZSA06072

FreeScale Access Point/Wireless Router MPC8377EWLANB

Lot of 10 lbs ALLFAST RIVET SOLID AF1049W1C6C6 Boeing

Fuji Electric Pulse Transmitter TR490533C TR284654A New

SAMSUNG A-PRO Power Supply APP-1373V NEW

Turck BANNER IM35-22EX-HI/24?VDC Analog Data Transmitter

Lot 1000 LittelFuse CG2470LSNTR SURGE ARRESTER$0.25/pc

Lot 20 OMRON Relays G7J-4A-B 24VDC NEW IN BOX

SIEMENS 6ES7 138-4HA00-0AB0 6ES71384HA000AB?0 NEW

Honeywell DATAMATE 9303004 DM100PS1WG PressureTransmi?tt

MITSUBISHI MELSEC A/D CONVERTER UNIT A1S64AD

Danfoss MBS 5100-2011-1DB04 Pressure transmitter

Telemecanique ABL7RE2410&ABL7RE2405 Power WorkingPull

New spare INFICON VAP040 PNEUMATICALLY ACTUATED VALVE

DENISON Hydraulics R4V03 535 11 A1 Parker 016-84553-0

SAGEM Baseband Development Board 254022489-A

Lot 5 Valere Power External LVD Controllers LVD2000 1:5

CLARITY X-CAT VIM INPUT MODULE BAYCAT BOBCATS DECODER

New GM Fuel PUMP 12626234 by BOSCH

VICKERS Valve DG4V-3S-6C-M-U-?H5-60 new spare

GE Energy Power module 151X1225EK01PC0?3 230V TO 12V NEW

Yamatake azbil R4780B R4780B1003 Protector Relay NEW