6SL3352-3AG31-5AC0

6SL3352-3AG31-5AC0

6SL3352-3AG31-5AC0

1. 控制难度较大。为了控制交流电机，需要对其频率、相位及电压进行的控制，这需要更复杂的控制电路。

　　2. 初始成本高。交流电机的制造和控制成本比直流电机高。

　　3. 维修难度较大。交流电机的内部电路比直流电机复杂，因此维修难度也相对较大。

LOT OF 3 Tellabs Cablespan 2300 RI-POTS 0110-0013 WARRA

SINGLE BOARD COMPUTER SBC 8157/MMX/233+128MB TESTED!!!

LOT OF 2 MOXA C114HI 4 PORT RS 232/422/485 BOARD

SINGLE BOARD COMPUTER SBC 8155/MMX/233+64MB TESTED!!!!

NMS NATURAL MICROSYSTEMS PA200 POWERACCESS 80966 cPCI

LUCENT MODULAR POWER SUPPLY APX8-SP-AC WARRANTY!!!

EMC 201-340-900 !!!! NEW !!!!

NORTEL POWER SUPPLY 'PE PWR SUP' TL6D40AB WARRANTY !!!

GN NETTEST PROTOCOL ANALYZER DS1/E1 CARD

LOT OF 6 - IBM 49P2033 350W POWER SUPPLY !! WARRANTY !!

Picasso 188A2L892 503B2L892 Rev.E dual opti PCI Card

GN Nettest 95000 Primary Protocol Engine V3.0 Card 

GN Nettest 95000 Protocol Analyzer ATM OC3/STM1 Card 

LOT OF 5- YASKAWA MEMOCON-SC JAMSC-B1070 !! WARRANTY!!

SINGLE BOARD COMPUTER P5133HX-EI32 SBC (W/O CPU,MEM)

LOT OF 5- YASKAWA MEMOCON-SC JAMSC-B1071 !! WARRANTY!!

Lot of 4- M-Systems FlashLite100 40MB WARRANTY !!!

ABL7 RE2410 24V/10A POWER-SUPPLY by SCHNEIDER TESTED!!

Agilent CALIBRATION KIT N2365B : 6 CALIBRATION BOARDS

SINGLE BOARD COMPUTER PROTEC PROX-1715/G1 SBC WARRANTY

CP-134U 4 PORT SERIAL PCI CARD RS-232/422/485 WARRANTY!

HP SMART ARRAY 6400 CARD W/128MB 309520-001 WARRANTY!!!

SILICON THERMAL POWERCOOL LB300

LOT OF 5 ASCEND ROUTER , NEW IN BOX WITH CD WARRANTY!!!

LOT OF 4 PCS SUN MEMORY MT18LSDT16144G-75F3 WARRANTY!!!

GESPAC PCICSI-1E ULTRAWIDE SCSI CONTROLLER AND ETHERNET

OPHIR LASER POWER METER DGX + ACCESSORIES WARRANTY !!!

LOT OF 2 - COMPAQ BD036635C5 36.4GB HDD - !! TESTED !!

MOTOROLA MVME 705A MODULE WARRANTY ! ! !

CYCLONE PCI80960 Communications Controller card NEW!!!

LOT OF 5 HP PCI 2GB FIBER CHANNEL ADAPTER A6795-62001 

KRAMER BC-2216 16x16 PROGRAMMABLE STEREO AUDIO MATRIX

ASCEND COMM. 750A40155 CARD NICE !!! WARRANTY !!!

EXTREME NETWORKS 52011/F48Ti BLACKDIAMOND MODULE 

AMREL PROGRAMMABLE DC POWER SUPPLY PPS 5-30 WARRANTY

RADWARE CACHE SERVER DIRECTOR WARRANTY ! ! !

OLICOM CROSSFIRE CF-8711 FAST ETHERNET SWITCH 24 PORT

SINGLE BOARD SBC P560S P1/200Mhz+16MB TESTED-OK!!!

LUCENT TNT-SL-CT1-C P/N:0800-0411-051 BOARD WARRANTY!

STEELCLOUD IDS- 3000 eTrust 2.8MHz 2 X 80GB HDD 4GB RAM

LOT OF 2- LUCENT TNT-SP-SC # 0800-0410-001- WARRANTY !!

EXTREME NETWORKS 51032 / G8Xi BLACK DIAMOND MODULE

LUCENT TNT-SL-HDLC2-EC-C 0800-0468-051 !!! WARRANTY !!!

MOTOROLA MVME MODULE 01-W3347F-13A 147-022 WARRANTY !!!

SINGLE BOARD SBC P560SN P1/233Mhz+64MB TESTED-OK!!!

NEW!! COMPAQ PORT REPLICATOR 307648-021,EUROPE, WARANTY

"MAGNEHELIC GAUGES" PRESSURE GAUGE 0 - 6 PSIG warnt 

SINGLE BOARD SBC P560S P1/233Mhz + 32MB TESTED-OK!!!