6ES7840-2CC01-0YX0 亿佳有情更有货
伤害电机绝缘，降低电机寿命
①大电流产生的焦耳热反复作用于导线外绝缘，使绝缘加速老化、寿命降低。
②大电流产生的机械力使导线相互摩擦，降低绝缘寿命。
③高压开关合闸时触头的抖动现象会在电机定子绕组上产生操作过电压，有时会达到外加电压的5倍以上，这样高的过电压会对电机绝缘造成极大伤害。
软起动时，大电流降低一半左右，瞬间发热量仅为直起的1/4左右，绝缘寿命会大大延长；软起时电机端电压可以从零起调，可完全免除过电压伤害。
⒋电动力对电机的伤害
大电流在电机定子线圈和转子鼠笼条上产生很大的冲击力，会造成夹紧松动、线圈变形、鼠笼条断裂等故障。
软起动时，由于大电流小，则冲击力大大减轻。
Cutler Hammer RD320T33W Circuit Breaker - Reconditioned
Cutler Hammer RD320T32W Circuit Breaker 2000 Amp 600 V 3 Pole LSI
CUTLER HAMMER RD 1600 AMP CIRCUIT BREAKER RDC316T33W WITH 1600 AMP TRIP
CUTLER HAMMER PXM4051A1AB PXM4051A1AB
CUTLER HAMMER PXM4051A1AA PXM4051A1AA
CUTLER HAMMER PX4051A5BA PX4051A5BA
CUTLER HAMMER POW-R-WAY III 2500A FEEDER BUSWAY 49"L SECTION 3PH, 4W W/ INT. GND
Cutler Hammer P3F365R Bus Plug - Surplus
CUTLER HAMMER P3BDK3400GN P3BDK3400GN
CUTLER HAMMER NPBILL20 NPBILL20
Cutler Hammer NDC3800T35W Circuit Breaker - Reconditioned
Cutler Hammer NDC312T33W Circuit Breaker - Reconditioned
CUTLER HAMMER ND312T36W 1200 AMP 600 VAC 3 POLE CIRCUIT BREAKER--SES
CUTLER HAMMER ND312T33W ND312T33W
CUTLER HAMMER ND312T33W 600 VAC 1200 Amp 3 Pole CIRCUIT BREAKER
Cutler Hammer ND212T33W Circuit Breaker - Reconditioned
Cutler Hammer ND 50k 3 pole 1200 amp trip 600v ND312T36W Circuit Breaker
CUTLER HAMMER NB3500P 600 VAC 500 Amp 3 Pole CIRCUIT BREAKER
CUTLER HAMMER MDS608 800 AMP DIGITRIP 520 LSIG CIRCUIT BREAKER
CUTLER HAMMER MDS608 800 AMP DIGITRIP 520 LSI CIRCUIT BREAKER
CUTLER HAMMER MDS608 600 VAC 800 A DiGiT520 LSI CIRCUIT BREAKER w/ Shunt tr, AUX
CUTLER HAMMER MD93E92CU TRANSFORMER * OUT OF BOX*
Cutler Hammer Magnum DS MDSC25 2500 AMP Digitrip 520M MDSC253HEA 25M2ANAN2E
CUTLER HAMMER MAGNUM DS MDS608 800A LOW VOLTAGE AC POWER CIRCUIT BREAKER
CUTLER HAMMER MAGNUM DDSC12
CUTLER HAMMER INDUSTRIAL CIRCUIT BREAKER frame CAT # HLDB3600FT33W
CUTLER HAMMER HND312T35W CIRCUIT BREAKER * OUT OF BOX*
Cutler Hammer HND312T33W Circuit Breaker - Reconditioned
Cutler Hammer HND312T32W Circuit Breaker - Reconditioned
CUTLER HAMMER HND312T32W 3 POLE 1200 AMP 600 VOLT CIRCUIT BREAKER / SHUNTS
CUTLER HAMMER HMCP400X5C HMCP400X5C
Cutler Hammer HMA3800T **GENUINE** Westinghouse
CUTLER HAMMER HMA3600T HMA3600T
Cutler Hammer HLD3600T56WZGP 600A LSIA w/ Optim 550 Trip Unit & 600A Rating Plug
Cutler Hammer HLD3600T56WZGP 600A LSIA w/ Optim 550 Trip Unit & 400A Rating Plug
Cutler Hammer HLD3400 3p 400a 600v Other Circuit Breaker 1-yr Warranty
Cutler Hammer HLD3400 - Surplus
Cutler Hammer HLD3250T107W Circuit Breaker - Reconditioned
Cutler Hammer HKD3400T52WPN 400A 600V 3p Breaker w/ Digitrip Optim 550 400A Trip
CUTLER HAMMER HFD3200L HFD3200L
CUTLER HAMMER FP5200-01 FP520001
CUTLER HAMMER ELECTRIC DRUM BRAKE SIZE 16 1000FT-LBS 25VDC COIL 7"WIDTH X 20" DI
Cutler Hammer ECN2241AAH NSNP **GENUINE** Westinghouse
Cutler Hammer ECA2314CAE **GENUINE** Eaton Westinghouse
CUTLER HAMMER ECA2238CBG ECA2238CBG
CUTLER HAMMER ECA2221FAF ECA2221FAF
Cutler Hammer Eaton Bucket Motor Control STE91162-002 400A
Cutler Hammer Eaton AN16SN0AB NSNP **GENUINE** AN16S N0AB
Cutler Hammer Eaton AN16SN0AB **GENUINE** Westinghouse CH
CUTLER HAMMER DSLII 516, LOW VOLTAGE AC INTERGRALLY F POWER CIRCUIT BREAKER
CUTLER HAMMER DSII-608 800A AC POWER CIRCUIT BREAKER
Cutler Hammer DSII-516 Circuit Breaker 1600A LSI w. Digitrip RMS 910 -
CUTLER HAMMER D7DBA15STA1XXX D7DBA15STA1XXX
CUTLER HAMMER D7DBA12STA1XXX D7DBA12STA1XXX
CUTLER HAMMER D72WTSP264HDW95 D72WTSP264HDW95
CUTLER HAMMER D520FC1 D520FC1
CUTLER HAMMER CV10GN3 NEMA SIZE 5 SERIES A1 270 AMPS 1 YEAR WARRANTY
CUTLER HAMMER CRD320T32W 2000 AMP CIRCUIT BREAKER
Cutler Hammer CP3WS38A18 800 Amp Bus Duct Reciever 3Ph Low Voltage Busway Duct
CUTLER HAMMER ConTACTOR W201K6CFZ1 540 AMP SIZE 6 120V
Cutler Hammer CNDC3800T33W Circuit Breaker - Reconditioned
CUTLER HAMMER CN55NN3C CN55NN3C
Cutler Hammer CN15TN3A Contactor
CUTLER HAMMER CMD 3000 AMP NETWORK PROTECTOR BREAKER
CUTLER HAMMER CH 2100 1200 1100 1000 AMP MAIN MOTOR ConTROL CENTER MCC BUCKET
CUTLER HAMMER BOLTED PRESSURE SWITCH 1200 AMP 480Y/277 3 POLE VL368G6 ARP100
CUTLER HAMMER AN16SN0AB AN16SN0AB
Cutler Hammer AN16GG0AB **GENUINE** Westinghouse
Cutler Hammer Advantage W240M6CFC Size 6 Motor Starter 120V
CUTLER HAMMER A900M2DAC A900M2DAC
CUTLER HAMMER A201K4CW A201K4CW
CUTLER HAMMER A200M5CAC SIZE 5 NON-REVERSING 120V COIL STARTER
CUTLER HAMMER 92-01815-03 920181503
CUTLER HAMMER 92-01810-01 920181001
CUTLER HAMMER 92-00846-01 920084601
CUTLER HAMMER 92-00657-01 920065701
CUTLER HAMMER 9087A57G21 9087A57G21
Cutler Hammer 800 Amp Circuit Breaker NDC 100K #68740
CUTLER HAMMER 7585T-8XE 7585T8XE
CUTLER HAMMER 7585T-8-OPC 7585T8OPC
CUTLER HAMMER 6-29-2 6292
Cutler Hammer 480 v, 3 Ph 3 wire, 60 hz Neutral Ground Breaker (NGB001)
CUTLER HAMMER 39PKHX 39PKHX
CUTLER HAMMER 3985T-PM-PP-3000 3985TPMPP3000
CUTLER HAMMER 3200 AMP CIRCUIT BREAKER DSII-632
CUTLER HAMMER 1MFS1200RB 1MFS1200RB
CUTLER HAMMER 1585THX 1585THX
CUTLER HAMMER / EATON A201K5BA SIZE 5 NON REVERSING ConTACTOR A201K5BA
Cutler - Hammer DSII-608 600V 800A L/S/G AIR CIRCUIT BREAKER
comes with 1 year warranty tested see report
CH Cutler-Hammer RD316T36W 1600 Amp Breaker 1600A Plug RES1600LSIG Westinghouse
CH Cutler-Hammer RD316T32W 1600 Amp Breaker w 1600A Plug RES1600LSI Westinghouse
480/277 Volt Cutler Hammer Pow-R-Line C Switchboard
3R Service Entrance Enclosure and Breaker
2000 AMP BREAKER CUTLER HAMMER DSII-620
1600 AMP, M/O-D/O Digi-Trip 810 LSG SHUNT 48 VDC
120' Cutler Hammer Pow-R-Way 3 Busway 600A 600 Amp 600V 3P3W 50% HSG Busbar P3F
1 CUTLER HAMMER CNDC312T36W CNDC CIRCUIT BREAKER WITH GROUND FAULT 1200AMP 600V
WESTINGHOUSE CUTLER HAMMER 2100 SIZE 5 REVERSING STARTER 600 AMP BREAKER BUCKET
UN CUTLER-HAMMER HLD3600T107 600A CIRCUIT BREAKER
UN CUTLER-HAMMER CMDL3800 CIRCUIT BREAKER W/ TRIP
UN CUTLER HAMMER MES3800LSIG 600 VAC 800 Amp 3 Pole CIRCUIT BREAKER TRIP
UN CUTLER HAMMER LGH3600FA 600 VAC 600 Amp 3 Pole CIRCUIT BREAKER
UN CUTLER HAMMER LD3450 600 VAC 450 Amp 3 Pole CIRCUIT BREAKER
UN CUTLER HAMMER LD3400 600 VAC 400 Amp 3 Pole CIRCUIT BREAKER
UN CUTLER HAMMER JDC3250 600 VAC 250 Amp 3 Pole CIRCUIT BREAKER frame only
TRANSFORMERS, 300 KVA CUTLER HAMMER TRANSFORMERS, V48M28T33K, 3 PH, 480 DELTA
Trane Centravac 400HP Motor Starter/Controller 460V Eaton Cutler Hammer 400 HP
Refurbished Cutler Hammer SV9000, Mode: SV9075AN-5M0A30, 75HP(CT), 100HP(VT)
PERFECT CUTLER HAMMER SIZE 4 AUTO-TRANSFORMER STARTER, NEMA 3R
NIB Eaton Cutler Hammer HFDE316032 Series C CIRCUIT BREAKER 60-160 AMPS 600VAC
V211KRCJ Cutler-Hammer Reversing Contactor Model B
EATON CUTLER-HAMMER ELJD3225 BREAKER 225A IN BOX.
Cutler Hammer MDL3800 800A 3-Pole 600V Circuit Breaker *1 YEAR WARRANTY*
CUTLER HAMMER HND3800T35W SER C 3P 800A AMP 600V-AC CIRCUIT BREAKER D511181
CUTLER HAMMER CMD 1875 AMP NETWORK PROTECTOR BREAKER
ND4800T32W Cutler-Hammer Type ND 50K Circuit Breaker 4 Pole 800 Amp 600V
LT3315TA Cutler Hammer Thermal Magnetic Trip Unit 3 Pole 315 Amp 690V ()
KD3400 NEUTRAL CURRENT SENSOR
ITAP365RG Eaton Cutler-Hammer Busway Fusible Switch
HMDL3800 - Cutler Hammer Circuit Breakers
GUARANTEED BRAND CUTLER HAMMER HND312T33W W/ RMS310 TRIP UNIT
FW42000L Cutler Hammer Circuit Breaker 4 Pole 200 Amp 690V ( in Box)
EOP6T08K EOP6T08 Cutler Hammer 120v Electrical Operator RD frame
EATON CUTLER-HAMMER PX4051A5BB PX 4000 METER W/ 512MB CF, COM. EXP. & I/O CARDS
Eaton Cutler-Hammer Cat. No. S811T30P3S Soft Start Reduced Voltage Motor Starter
EATON CUTLER-HAMMER - A201K5CX - NON-REVERSING CONTACTOR, SIZE 5
EATON CUTLER HAMMER NGH308032E 3 Pole 800 Amp NGH 65K Breaker 320-800 Amp
Eaton Cutler Hammer HKD3400T56WZGP 400A Breaker KEP3400T56 Trip HKD 600V
Eaton Cutler Hammer DH366UWK 600 Amp 600 VAC 250 VDC Safety Switch Disconnect
EATON CUTLER HAMMER ATC3C2X40200XSU 3Phase 200A 480V Auto Transfer Switch ATC300
Eaton / Cutler-Hammer RD316T33W - Certified Reconditioned
Eaton / Cutler-Hammer LD3600A13S02 - Surplus
Eaton / Cutler-Hammer LD3600A06U18 - Surplus
Eaton / Cutler-Hammer LD3600A06L04 - Surplus
Eaton / Cutler-Hammer LD3600A02S21 - Surplus
Eaton / Cutler-Hammer HND3800T33W - Surplus
Eaton / Cutler-Hammer HND312T33W - Certified Reconditioned
Eaton / Cutler-Hammer HND312T32W - Certified Reconditioned
Eaton / Cutler-Hammer HMCP12Y8W - Surplus
CUTLER-HAMMER W201K5CF SIZE 5 ConTACTOR & 97-1365-3 DEVICENET MODULE (8C4)
CUTLER-HAMMER V201KRCJ **** SIZE 4 VACUUM CONTACTOR
Cutler-Hammer Soft Start T801T30N3D 304A 600V 3Ph 24VDC 150/400HP
Cutler-Hammer RSV9075AN-5M0A00 [PZ6]
Cutler-Hammer Magnum MDS620 2000 amp 50/60 Hz V480/600 3 poles
CUTLER-HAMMER FDPW327TF 800A FUSIBLE PANELBOARD SWITCH
Cutler-Hammer DS II-608 800A w 800A RP LI Digitrip Breaker Westinghouse DSII 2
Cutler-Hammer DS II-516 1600A Breaker w LSI Digitrip S52LSI(D) Westinghouse DSII
Cutler-Hammer C10KN2 Nema Size 7 Electric Motor Starter Contactor 600V 810 Amp
CUTLER-HAMMER BPJDB3225 **NIB**
CUTLER-HAMMER 500kVA, 480V TO 208Y/120V DISTRIBUTION TRANSFORMER V48M28T55EE
Cutler-Hammer / Westinghouse PCF32000 - Certified Reconditioned
Cutler-Hammer / Westinghouse PCF31600 - Certified Reconditioned
Cutler-Hammer / Westinghouse PC32000 - Certified Reconditioned
Cutler-Hammer / Westinghouse PC31600 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF3800 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF3600 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF32000 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF31600 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF31400 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF31200 - Certified Reconditioned
Cutler-Hammer / Westinghouse PBF31000 - Certified Reconditioned
Cutler-Hammer / Westinghouse PB3800 - Certified Reconditioned
Cutler-Hammer / Westinghouse PB3600 - Certified Reconditioned
Cutler-Hammer / Westinghouse PB32500F - Certified Reconditioned
Cutler-Hammer / Westinghouse PB32000 - Certified Reconditioned