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施耐德 BMXFCA152
电机结构不同:直流电动机一般有电刷还有换向器,而交流电动机一般没有。
用途不同:直流电动机主要用于调速较广泛的动力机械或其他设备,而交流电动机主要用于调速范围不太大的动力机械或其他设备。
工作方式不同:直流电机是磁场不动导体在磁场中运动,交流电机是磁场旋转运动而导体不动。
直流电动机调速性能好,所谓调速性能,是指电动机在负载的条件下,根据需要人为地改变电动机的转速。但此类电机不宜在高温、易燃等环境下操作。
而且由于电机中需要以碳刷作为电流变换器的部件,所以需要定期清理炭刷磨擦所产生的污物。无碳刷之马达称为无刷马达,相对于有刷,无刷马达因为少了碳刷与轴的摩擦因此较省电也比较安静。
APPLIED MATERIALS OPTO DETECT 0100-00014
ATRICA AT1180 CARRIER ETHERNET DEMARCATION AC NEW
ATRICA AT20036 DC POWER SUPPLY FOR A-2140 301C0003-01
ATRICA AT20039 AC POWER SUPPLY FOR A-2140 AT20039-00-AA
ATRICA AT20035 AC POWER SUPPLY FOR A-2140 AT20039-00-AA
ATRICA AT80021 10 GIGABIT ETHERNET MODULE FOR A-8000
Cisco 800-06095-01 73-4708-01 B0 800-02985-03 800-01836
Cisco 800-03708-06 B0 73-4708-06 AO & 1x 800-02985-03
Cisco 800-02234-03 73-1684-05 A0 & 2X 800-02759-02 F.E
Cisco 800-05565-05 H0 73-4221-03 C0 ROUTE SWITCH PRO 8
Cisco 800-05565-05 B0 73-4221-05 A0 ROUTE SWITCH PRO 8
LSI LOGIC DF4000R / DF4000J Ni-MH BATTERY PN: 07N2036
HP ALPHA SERVER TS10 600MHZ 512M DC POWERC DA-T738A-NA
HP ALPHA SERVER TS10 466MHZ 512m DC POWER CT-PB1CA-AN
HP ALPHA SERVER TS10 600MHZ 512M DC POWER DA-T738A-NA
HP ALPHA SERVER TS10 600MHZ 512M DC POWER DA-T738A-NA
NEMIC LAMBDA YM-03-1039TA PLVPS POWER SUPPLY
COHU Camera Control Unit 6712-2000
AEROTECH SERVO AMPLIFIER BA SERIES BA10
TDK RAX48-15R-8 POWER SUPPLY
Nikon Optistation 3 SCNT PCB 2S700-581
Nikon Optistation 3 CCCNT PCB 2S700-583-1
Nikon Optistation 3 MCR PCB 2S700-598
Nikon Optistation 3 TCCNT PCB 2S700-582-1
Nikon Optistation 3 SCPU PCB 2S700-580-1
Nikon Optistation 3 MST PCB 2S700-555
FUJI ELECTRIC M.C.S. LTD. MCO412A BOARD
SIEMENS RACK FP1 HI7050 W/ MFP1,FFP1,E1554 MODULES
SIEMENS RACK FP1 HI7050 W/ MFP1,FFP1 MODULES
Ameritec AM7 Central Office Simulator W/ 10 LOOP/GND
ORIENTAL MOTOR UDX5114 DRIVE STEPPER 5PHASE 1.4AMP
JAVELIN ELECTRONICS CHROMACHIP JE3362 CAMERA 12 VOLTS
FUJI ELECTRIC M.C.S. LTD. MCO411 BOARD
THORNITON DOT TWO SPT04
DOLAN JENNER INDUSTRIES FIBER LITE A-240P POWER SUPPLY
SONY DXC-950 WITH DIAGNOSTIC INSTRUMENTS D10 BXS LENS
MARWAY POWER SYSTEMS MPD 82-001 COMPUTER POWER SOURCE
NOKIA SIEMENS PS-V480400 D01A 3614OHD DC PSU NEW IN BOX
LINCOLN LASER COMPANY M225-030-XLOB6.5 NEW
AirSpan Marconi WipLL BSR 925mhz 09100065 TDD EXT
ATRICA AT10089 ETHERNET MODULE
ATRICA AT20070 ETHERNET SWITCH AT20070-00-AA
MOTOROLA MVME2302 01-W3345F MVME 2302 NEW
COMPACT PCI 100P172820 120P243641 BLADE NEW
SIEMENS 0-WORKING CARD 1310nm, LH S42024-D3559 D101-D2
SIEMENS 0-PROTECTION CARD 1310nm, LH S42024-D3560 D101-
LEICA MICROSYSTEMS VISTEC SEMICONDUCTOR 11307072067/BZ
MKS ION GAUGE CONTROLLER TYPE 290 290C-01
CYCLONE MICROSYSTEMS PCI913 REV A 270-0913
A TO Z ELECTRONICS EA0090-A0322 W/ SPGU PS WFB CMU4
Heidenhain EXE 602 D/5-F H3 Amplifier Interpolation Box
API DM-224I-O DM224IO MICROSTEPPER API CONTROLS NEW
PHYSIK INSTRUMENTS HVPZT-AMPLIFIER E-507.00
OMRON VARISPEED V7 CIMR-V7AZB1P5 SPEC:B1P50 NEW
A TO Z ELECTRONICS EA0090-A0322 W/ SPGU PS WFB CMU4
LUST VF1410L HF S41 DRIVE VF1410
EVACTRON 232781-01 RFS 302 EVAC III REV A
PI E-710K126 DIGITAL PIEZO CONTROLLER M-900K147
Alvarion BMax BMAX-CPE-IDU-DV-FT-1D2V BAT 735821
SONY DXC-9100P 3CCD COLOR VIDEO CAMERA
PVD ENDURA WAFER LIFT 0010-70271