描述
N、s兩個磁極在工作時固定不動,故又稱定子。定子磁極用于產(chǎn)個主磁場。在永磁式直流電動機中(一般為小功率的直流電動機),磁極采用永磁材料制成。充磁后即可產(chǎn)生恒定磁場。在他勵式直流電動機中,磁極由沖壓的硅鋼片迭加而成;外繞勵磁線圈,由外加勵磁電流才能產(chǎn)生磁場。在磁極的內(nèi)側(cè)有一個安裝在軸承上可以轉(zhuǎn)動的鐵心(電樞鐵心,為便于看清結(jié)構(gòu),圖中用雙點畫線表示鐵心)。
我們這里有您急需的停產(chǎn)備件,
優(yōu)勢現(xiàn)貨,詢不到的,買不到的,請聯(lián)系我們!
絕 對優(yōu)勢,絕 對低價!絕 對正品,優(yōu)質(zhì)的產(chǎn)品,一流的服務(wù),充足的庫存,
歡迎來電詢價,我們將會給您最優(yōu)惠的價格!
主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國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(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/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/輸出信號處理、數(shù)
據(jù)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(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。
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)動模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
2000amp main circuit breaker distribution panel 480/277
Square D PXF362500G 2500a GFI circuit breaker warranty!
Westinghouse PCG32000F 2000amp 3pole circuit breaker
Westinghouse PC32000F 1800amp 3pole circuit breaker
Square D PXF361200G 1200a GFI circuit breaker warranty!
Square D PTMA36600GNV bus plug 600amp switch disconnect
Cutler Hammer HND312T33W 1200amp 3pole circuit breaker
Square D QMB367W E1 800amp panel switch fuses warranty!
ACME 500kva electrical transformer 480-208y/120 3phase
Siemens ITE HMX3B800 circuit breaker 3pole 800amp NEW
Siemens 800amp Main circuit breaker panel board 208/120
GE 1200amp TK4V1200S circuit breaker disconnect Nema1
Square D Electrical Transformer 300kva 480v-240v 300T6H
Siemens ITE HMD63F800 circuit breaker 3pole 800amp NEW
Siemens 1200amp MLO circuit breaker panel board 4 JXD’s
Siemens 1200amp MLO circuit breaker panel board 4-350a
FPE Federal Pacific circuit breaker fusematic XM 800a
Siemens 800amp Main circuit breaker panel board 208/120
Square D 1200amp 4wire MLO circuit breaker panelboard
Siemens 600amp main circuit breaker panel board 480/277
Siemens 800amp 600amp circuit breaker disconnect Nema1
Siemens 800amp Main circuit breaker panel board 208/120
Siemens 800amp Main circuit breaker panel board 208/120
ITE Siemens BOS14355 3ph 3w 400amp 600v bus duct plug
Sola Hevi 225kva Electrical Transformer 480v- 416y/240v
Cutler Hammer HLD3600F 500amp HLD3500 circuit breaker
Siemens 800amp Main circuit breaker panel board 208/120
Cutler Hammer HLD3600F 600amp 3pole circuit breaker
Cutler Hammer 600amp 480v circuit breaker panel N3R/N12
Siemens LMXD63B600 3pole 600amp 600v circuit breaker
Siemens LMXD63B800 3pole 800amp 600v circuit breaker
Siemens HLXD63B600 3pole 600amp 600v circuit breaker
Siemens ITE HMD63F800 circuit breaker 3pole 800amp
Square D QMB366W E1 600amp panel switch fuses warranty!
Square D MH36800 circuit breaker Hi AIC rated warranty!
Siemens ITE HJD63F400 circuit breaker 3pole 400amp NEW
Siemens LXD63B600 3pole 600amp 600v circuit breaker NEW
Siemens HJXD63B400 3pole 400amp 600v circuit breaker
FPE Federal Pacific circuit breaker fusematic XJL 175a
FPE Federal Pacific circuit breaker fusematic XJL 150a
FPE Federal Pacific circuit breaker fusematic XJL 200a
FPE Federal Pacific circuit breaker fusematic XJL 225a