西门子产品6GK1901-1BB30-0AA0

6GK1901-1BB30-0AA0

电机选型的步骤

电动机运行或故障时，

可通过看、听、闻、摸四种方法来及时预防和排除故障，

以保证电动机的运行。

观察电动机运行过程中有无异常，其主要表现为以下几种情况。 

1.定子绕组短路时，可能会看到电动机冒烟。 

2.电动机严重过载或缺相运行时，转速会变慢且有较沉重的"嗡嗡"声。 

3.电动机维修网正常运行，但突然停止时，会看到接线松脱处冒火花;保险丝熔断或某部件被卡住等现象。 

4.若电动机剧烈振动，则可能是传动装置被卡住或电动机固定不良、底脚螺栓松动等。 

5.若电动机内接触点和连接处有变色、烧痕和烟迹等，则说明可能有局部过热、导体连接处接触不良或绕组烧毁等。

Nortel NTT870AJE5 / WMDDZU0FAB

 Nortel BCM400 4.0 BCM 400 R4 R4.0 37vm 20ip 25um ICC

Agilestar - AA1403006-E5 - For Nortel -  in Box

Nortel Passport Optera NTCA15CA C-Band Dual Amp Card 

Nortel WLAN Security Switch 2382 1 Port DR4001E80E5 

 NORTEL 8630GBR 30 PORT SFP MODULE DS1404063-E5

Nortel DS1404096 Metro Ethernet Passport 8600 Switch

Nortel Networks RMCL1312001 - Reman Rmrb 5720m Atm Mda

Nortel 8306 4x 8348GTX-PWR 8393SF Ethernet Switch POE

Nortel, AL1001E05-E5GS 48PORT ETHERNET ROUTING SWITCH..

Nortel, AL1001E05-E5 5520-48T-PWR ETHERNET ROUTING SW..

IBM NORTEL 10GB ETHERNET SWITCH MODULE FOR 39Y9267

Nortel, AL1001E14-E5 ETHERNET ROUTING SWITCH 5650TD 4..

Nortel, AL1001E03-E5 ERS 5510-48T INCLUDED N/A POWER ..

Nortel AL1001E05-E5 Switch & Bridge

NORTEL SWITCH ETHERNET 1GBPS 8-PORTS DS1404038

NORTEL BCM 1000 BUNDLE (8X32X0X2 + VM32)

Nortel NTPB18AA 

PACKET CONTROL UNIT FUNCTIONAL PROC

NORTEL SWITCH ETHERNET 10/100MBPS 48-PORTS DS1404056

Nortel Passport 7480 Multiservice Switch NTJS63

NORTEL BAY (SEE DESCRIP) $5000

Nortel NTCA15CA C-BAND CARD Passport Optera

SNAPAMHDAB

Lot of Nortel Cards Intelli System NT7R52AE NT8D02EA NT

1 Nortel BCM400 4.0 BCM 400 R4 R4.0 64vm 64um 65ip Ref

NORTEL DR4001103E6 2330B WLAN ACCESS POINT LOT OF 31

Nortel MOTR 10G GE/FC VCAT

Nortel DS1404060 8683POSM DS1333004 8683POS OC3 SMF set

Nortel Contivity 4600 DM1401063

Nortel Passport 8310 2x 8393SF 8x 8348TX Eth Switch

Nortel NT0H03EC OPTera OM5200 AGILE OCLD B5 CH3 1572.06

Nortel EB1639E170-E5 Secure NTWK Switch  NOB 4050

Nortel NTBW89DAE5 DOM-A CDMA EVDO Tested w/ Warranty

**** 39Y9267 IBM Nortel 10Gb Ethernet BladeCenter Sw

**** 39Y9266 IBM Nortel 10Gb Ethernet BladeCenter Sw

**** 39Y9265 IBM Nortel 10Gb Ethernet BladeCenter Sw

**** 32R1783 IBM Nortel 10Gb Ethernet BladeCenter Sw

Nortel NTNQ66AA Two-port OC3/STM-1 ATM IP Processor 

Nortel S8000 GSM BTS Base Station Cellsite 1900 Mhz

NORTEL NT0H17BA OPTERA METRO 5200 OCLD B2 CH1 WMT9J40

Nortel BCM 400 3.7 Base System 2 LAN Standard

Nortel NTCA07UP 10 Gbps WT Open Interface 1547.72nm 

Nortel NTCA07VP OPTERA LH REGENR/RCVR 

Nortel NTCA04VP OC192 STM-64 XR Recv/Regen Unit

NORTEL MODULE ETHERNET 1GBPS 8-PORTS DS1404036