描述
當(dāng)線路發(fā)生短路或嚴(yán)重過電流時(shí),短路電流超過瞬時(shí)脫扣整定值,電磁脫扣器6產(chǎn)生足夠大的吸力,將銜鐵8吸合并撞擊杠桿7,使鎖扣3脫開,三副主觸頭分?jǐn)啵袛嚯娫础?br /> 當(dāng)線路發(fā)生一般性過載時(shí),過載電流不能使電磁脫扣器動(dòng)作,但能使熱元件13產(chǎn)生一定的熱量,促使雙金屬片12受熱向上彎,推動(dòng)杠桿7使搭鉤與鎖扣脫開從而將主觸頭分?jǐn)唷?br /> 當(dāng)線路電壓正常時(shí),欠壓脫扣器11產(chǎn)生足夠的吸力,克服拉力彈簧9的作用將銜鐵10吸合;當(dāng)線路上電壓下降到某一數(shù)值時(shí),脫扣器吸力減小,銜鐵被拉力彈簧拉開,撞擊杠桿,主電路電源被分?jǐn)?。同樣,?dāng)無電源或電壓過低時(shí),自動(dòng)空氣開關(guān)不能接通電源。
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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):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。
700DC-PK400Z24 ALLEN BRADLEY RELAY NEW
AS-B552-000 MODICON
26847 MICRO FAST CABLE
42GRU-9002-QD ALLEN BRADLEY SENSOR
PVWH-04-RSAY-HN?SN OILGEAR HYDRAULIC PUMP
SM312FQD BANNER PHOTOELECTRIC MINIBEAM SCANNER
A61614 THOMSON BALL BUSHING
CZ-K1 KEYENCE AMPLIFIER
F-B-36RT TRI-TRONICS CABLE
LS-5501 KEYENCE MONITOR
FS-V1 KEYENCE SENSOR
TMC400/3100 TELESIS CONTROL PANEL
2101-S7-115R ATLAS COPCO
DDUCX-Operator Interface Tool Changer DEEMSTOP
836T-T256J ALLEN BRADLEY
1392-A040-RA-MC?-B-F2-D1-F4 ALLEN BRADLEY
TVD1.2-15-03 SERVO POWER SUPPLY MODULE INDRAMAT
HMC-410 HOBART WELDER CONTROLLER
A06B-6078-H211#?H500 FANUC AC SPINDLE AMPLIFIER
836T-T251JX9 ALLEN BRADLEY
A06B-6066-H006 FANUC SERVO AMPLIFIER
1387B-A0A110-A7?7-A ALLEN BRADLEY DRIVE
P464 MODICON
NAM1.2-15 AC SERVO LINEFORMER INDRAMAT
41320+BRAD HARRISON CONNECTOR CORD
1756N2 ALLEN BRADLEY CARD SLOT FILLER NEW
T-91-S LINE MASTER
9422TEF10 SCHNEIDER AUTOMATION
1494G-BF3J6 ALLEN BRADLEY
1392-B050-RG-MC?-B-F2-D1-F4 ALLEN BRADLEY
103H-AFBD2-DB25?X ALLEN BRADLEY
1494F-M1 ALLEN BRADLEY METAL DISCONNECT HANDLE
1388B-AV40-A06 ALLEN BRADLEY DC SERVO CONTROLLER
KDV1.1-100-220/?300-220 INDRAMAT
2MBI75L-120 FUJI ELECTRIC
215-611 PISTON FLOW METER MAX MACHINERY
LS405-ML316 HEIDENHAIN LINEAR SCALE
SE2302 Warner Electric DC DRIVE
LC491F-ML170 HEIDENHAIN LINEAR SCALE
7300-AVPB1 ALLEN BRADLEY POWER SUPPLY MAIN
A06B-0145-B075#?7000 FANUC
MAC112D-0-ED-1-?B/130-A-0/ID125?0/S05 INDRAMAT
1785-L60B/E ALLEN BRADLEY PLC-5 CONTROLLER
700-RT10B100A1 ALLEN BRADLEY SOLID STATE TIMER
1200-2 UTICOR 2-LINE DISPLAY
1326AB-B430E-S2?L ALLEN BRADLEY
VRZ-184A HEIDENHAIN DIGITAL COUNTER
CSM3546T-4 BALDOR AC MOTOR
M640A1204 HONEYWELL ACTUATOR
CIMR-PCD20P2 YASKAWA AC INVERTER
CBLSM015KP BALDOR KEYPAD
GPD403-A0P7 MAGNETEK AC DRIVE
GPD315MVB003 MAGNETEK AC DRIVE
S20-CK1 RELIANCE KEYPAD
ID102F50-E BALDOR AC DRIVE
14C222 RELIANCE CONTROL BOARD
WPM-2109E1 BODINE CONTROLLER
14C216 RELIANCE BRAKE KIT
4810 XYCOM RAC-PAC TERMINAL
923FK0201 RELIANCE FIELD SUPPLY
1388B-AV40-A02 ALLEN BRADLEY CONTROLLER
14C208 RELIANCE CONTROLLER
9C80 RELIANCE CONTROLLER
RSI-002-G-4 BENSHAW AC DRIVE
14C219 RELIANCE CONTACT KIT
1SU41001 RELIANCE AC DRIVE
RSI-030-S-4DB BENSHAW AC DRIVE
55ER4060 RELIANCE AC DRIVE
RSI-015-S-2DB BENSHAW AC DRIVE