名稱:風扇速度控制器
1概述
IC設(shè)計者力求在越來越小的封裝里放入更多高速運行的晶體管，但這必將導致發(fā)熱。為了把這些高功率IC放進更小的封裝內(nèi)，就必須有效解決熱管理問題。在很多應(yīng)用中使用風扇來降溫，但風扇會帶來機械故障，增加功耗和噪聲。因此，應(yīng)當對風扇速度進行監(jiān)測和控制以解決這些問題，從而使風扇工作更可靠，功耗和噪聲更低。由于直流無刷風扇易用、可靠，因此是大部分電子產(chǎn)品的*方案。它是一個兩端器件，加上直流電壓即可工作。其直流電壓電壓有5V，12V，24V和48V，目前選和的12V風扇較多。隨著12V電源的減少，5V風扇的用量將會增加。電信領(lǐng)域一般使用48V風扇。直流無刷風扇的換向整流是在風扇內(nèi)部通過電子方式控制的，老式直流風扇使用機械工刷子，因而會產(chǎn)生較高的EMI，并易于損壞。而無刷風扇用電子傳感器和開關(guān)來替代機械式刷子，從而延長了使用壽命，是一種簡單易用、工作可靠的兩端器件。直流無刷風扇的端電壓不同，其轉(zhuǎn)速和消耗的電流也不同（成正比）。盡管直流無刷風扇有很高的可靠性，但它仍然是機械器件。在長時間使用時，其風扇速度和冷卻效率可能會下降甚至失效，所以要對風扇進行連續(xù)監(jiān)測。很多風扇制造商提供有不同的*方式，一般分為：報警傳感器和速度傳感器兩類。利用報警傳感器可在風扇速度低于某個門限值時給出報警信號。而某些制造商則用速度傳感器給出與頻率成正比的風扇速率的輸出信號，一般每轉(zhuǎn)婁產(chǎn)生2個脈沖。報警傳感器和速度傳感器都可以提供漏極開路或內(nèi)部上拉輸出，內(nèi)部上拉可以是TTL電平或電源電壓。值得注意的是：用風扇速度控制電源電壓的改變將會影響傳感器和其它電路。而且實際設(shè)計中必須考慮風扇的使用條件，（如zui惡劣的溫度范圍、zui大功耗、風扇的誤差和使用壽命等），工作在適當?shù)臈l件下可以降低風扇速度，而在zui惡劣的條件下，則應(yīng)加快風扇速度。合理控制風扇速度能夠降低系統(tǒng)的噪聲和功耗，從而延長風扇的壽命并減少灰塵。
2風扇速度控制方法
2.1脈寬調(diào)制法（PWM）
脈沖寬度調(diào)制法（PWM）是將風扇電源的開關(guān)頻率設(shè)為固定值，通過改變其占空比來調(diào)節(jié)風扇速度的方法。占空比越大，風扇速度越快。這種控制方式的關(guān)鍵在于選擇合適的開關(guān)頻率，如果頻率太低，風扇速度將會隨PWM周期而振蕩。相反，如果頻率過高，風扇內(nèi)部的換向整流電路會斷開風扇加速/減速電路的電源而導致風扇停轉(zhuǎn)。一般的頻率范圍是20Hz～160Hz。另外，PWM的上升和下降時間要足夠慢，以保證風扇的*穩(wěn)定。PWM控制方式的優(yōu)點是驅(qū)動電路簡單、有很好的啟動特性、晶體管熱量耗散小等。缺點是增加了風扇的應(yīng)力，不便使用速度報警傳感器，而速度報警傳感器與電機使用同一電源供電，如電機電源以20Hz～160Hz頻率接通或斷開，則傳感器也會隨之關(guān)斷或開啟，從而失去應(yīng)有的檢測功能。在PWM控制方法中，風扇的電壓為額定值（例如12V風扇中的12V電源）或零電壓，但由于風扇沒有滿負荷運轉(zhuǎn)，因而它的反向電動勢就會減少，這將導致PWM導通期間的電流可能會大于正常值。雖然風扇的設(shè)計使共能夠處理較大的電池，但在風扇啟動階段，電流將每秒增加30倍，這將對風扇的可靠性產(chǎn)生很大影響。盡管如此，PWM仍然是低成本應(yīng)用的理想選擇。
2.2線性調(diào)節(jié)方法
這種方法利用線性穩(wěn)壓器來調(diào)節(jié)風扇的直流電壓，它要求風扇能夠工作在較寬的電壓范圍內(nèi)與PWM控制方式相比，其優(yōu)點是能夠使用速度和報警傳感器；缺點是功耗較大，需要解決啟動和停止問題。在用線性穩(wěn)壓器控制風扇兩端的直流電壓時，雖然其功率消耗將產(chǎn)生熱量，但在zui大致冷和zui小致冷狀態(tài)下的功率消耗卻近似為零。因為在zui大致冷時，調(diào)整管上的電壓差近似為零；zui小致冷時調(diào)整管上的電流近似為零，所以功耗近似為零。在風扇兩端的電壓為zui大工作電壓的一半時，其功耗zui大，這時的功率耗散可由下式估算： P=1/4(Vmax×Imax)式中，V和I分別是風扇的額定電壓和額定電流，如1.2W的風扇的調(diào)整管的功率耗散只有300mW（12V的風扇工作在6V）。所以風扇速度降低時能夠節(jié)省一定的功率。啟動和停止是相關(guān)聯(lián)的，風扇在啟動前需要一定的啟動電壓。風扇運轉(zhuǎn)后，一旦風扇電壓降低到停止電壓，風扇就會停止運轉(zhuǎn)。啟動電壓一般等于或稍大于停止電壓，通常是風扇額定電壓的25%～50%，在沒有速度*時，判斷風扇是運轉(zhuǎn)還是停止有兩種方法：*是保證風扇兩端的電壓始終大于啟動電壓，一般可設(shè)置該電壓大于額定電壓的60%，以降低風扇電壓的控制范圍。第二是使用帶有轉(zhuǎn)速計的風扇，并由微控制器對轉(zhuǎn)速計進行*。在風扇沒有啟動或停止前，利用軟件可以了解其狀態(tài)，但是這種方法將增大設(shè)計的復雜程度和軟硬件資源。
2.3 DC-DC控制器
同線性穩(wěn)壓方式一樣，DC-DC開關(guān)方式也是通過控制風扇兩端的直流電壓來控制風扇速度，所不同的是這種方式采用的開關(guān)方式。這兩種方式的優(yōu)缺點基本相同，有一點不同的是DC-DC開關(guān)方式的理想效率是*，所以不會產(chǎn)生熱量。實際上DC-DC開關(guān)控制器的效率通常是75%～95%,，效率升高，成本和復雜程度就會增加。只有在風扇工作電壓降低低時才會節(jié)省功率，當工作電壓是飽和電壓的一半時，功耗降低的幅度zui大。節(jié)省功率的代價是成本和復雜程度的提高，所以DC-DC方式一般用于例攜系統(tǒng)以及需要大功率風扇或多個風扇控制的應(yīng)用中。
2.4/低端驅(qū)動
以上三種方式可以是低端驅(qū)動也可以是驅(qū)動。驅(qū)動的電路稍復雜一點，好處是風扇負端可以接地，速度和報警傳感器具有相同的參考地，而且易于接口。低端驅(qū)動不需要電平轉(zhuǎn)換，但速度和報警傳感器需要電平轉(zhuǎn)換電路。這時風扇的正端一般保持在恒定電壓，而負端電壓是可以控制和調(diào)節(jié)的，因此速度和報警傳感器的參考點易改變，因而需要電平轉(zhuǎn)換電路。
3無轉(zhuǎn)速計的風扇速度控制
兩個不帶報警傳感器和速度傳感器的風扇速度控制電路，的MAX1669構(gòu)成PWM控制方式，是MAX1669構(gòu)成線性調(diào)節(jié)控制方式。MAX1669既是溫度傳感器又是風扇控制器，兩部分可獨立工作并與微控制器相配合，其接口方式為SMBus。溫度傳感器通過安裝在遠端的二極管來完成，這個二極管也可以包含在某些器件內(nèi)部，例如XILINX公司的VIRTEX系列器件，這樣會更確切地控制關(guān)鍵器件的溫度并省去外部二極管。當MAX1669檢測的溫度增加時，可由軟件來控制并提高風扇速度。風扇速度的控制與溫度測量無關(guān)，所以這是開環(huán)控制系統(tǒng)，不存在穩(wěn)定性問題。但無地直接知道被控制件的實際溫度，也無法直接了解風扇是否失靈或制冷效率是否下降。如果溫度傳感器放在要制冷的地方，可設(shè)計成一個閉環(huán)系統(tǒng)，風扇速度增加，溫度下降。閉環(huán)系統(tǒng)需要注意穩(wěn)定性的問題，同時會增加軟件的復雜性。
4帶有轉(zhuǎn)速計的風扇速度控制
是帶有轉(zhuǎn)速計的風扇速度控制電路。MAX6625用于測量溫度并通過類似I2C的兩線接口傳送至微控制器。兩線接口將命令傳送給MAX6650，由MAX6650來控制風扇的速度，MAX6650內(nèi)部的接口電路可以連接風扇的轉(zhuǎn)速計（速度傳感器），風扇速度通過SMB兩線接口讀齲用MAX6650即可構(gòu)成風扇速度控制器或風扇速度調(diào)節(jié)器?？捎蔑L扇速度控制器來控制風扇的兩端電壓，從而達到控制風扇速度的目的。風扇速度調(diào)節(jié)器實際上是用轉(zhuǎn)速計來對風扇速度進行測量和調(diào)節(jié)。把MAX6650用于風扇速度控制器時，用微控制器從MAX6625讀取溫度，并從MAX6650讀取速度，然后通過MAX6650里的DAC來控制風扇兩端的電壓和速度。微控制器必須不斷地讀取風扇速度和通過DAC來調(diào)節(jié)風扇速度，這在啟動和停止階段尤為重要。在用MAX6650進行速度調(diào)節(jié)時，可利用微控制器給郵速度指令，并用MAX6650自動*和調(diào)節(jié)風扇速度。一旦速度指令傳送給MAX6650，微控制器就可以不再介入，這樣可減少軟件的工作量，如果MAX6650不能提供指令所要求的控制電壓，系統(tǒng)將產(chǎn)生報警信號給微控制器以產(chǎn)生中斷。

◆ 企業(yè)名稱：廈門興潤星貿(mào)易有限公司

◆ 企業(yè)性質(zhì)： 有限責任公司

◆ 主營業(yè)務(wù)：DCS,PLC

◆ 經(jīng)營模式： 貿(mào)易

◆ 貿(mào)易地區(qū)： 全國

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◆ 郵政編碼：361000

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Make an offer Local pickup also an option
M3SRG0800 Cutler Hammer Circ Breaker 3 Pole 3 Units 
Lot of Red Lion Counter Cutler Hammer Push Buttons NOS
LOT OF ELECTRIC SUPPLIES ALL TOGETHER 1200
Lot of 9 Cutler-Hammer Control Transformer s B050-2160-8 C0050E2AFB No Box
LOT OF 9 CUTLER-HAMMER CIRCUIT BREAKER BR220 
Lot of 9 Cutler Hammer 60A 240V Non-Fusible Disconnect DPU222R Pull-Out A/C
Lot of 6 Breakers with Warranty
LOT OF 50 CUTLER HAMMER GUARD SLEEVE FOR SWITCH 10250T-A12 EXT TYPE
Lot of 5 Cutler-Hammer 3TA401K Circuit Breaker Line/Load Lug Terminals
Lot of 5 Cutler-Hammer 3TA401K Circuit Breaker Line/Load Lug Terminals
LOT OF 41 CUTLER HAMMER CH CIRCUIT BREAKERS 33 DOUBLE POLE 8 SINGLE POLE
LOT OF 4 CUTLER-HAMMER BRH370 CIRCUIT BREAKER 
Lot of 3 Cutler-Hammer MVX001A0-2 Drives 240V
lot of 25 Cutler-Hammer DS16CP Safety Switch Control Pole Auxiliary Contact Kit
Lot of 20 Cutler Hammer BR115CAF AFCI Circuit Breakers - Case NIB
LOT OF 20 CUTLER HAMMER HEATING ELEMENTS NIB
Lot of 2 Cutler-Hammer E02NB18X3N Fvnr B-frame Contact Block 18 Amps
LOT OF 12 CUTLER HAMMER CIRCUIT BREAKERS TYPES BAB QBGF 
Lot of 10 Cutler Hammer Contact Blocks E30KLA4 8261 
Lot Cutler-Hammer Aircraft Remote Control Circuit Breaker SM602BA-60
Lot Cutler Hammer 10250ED1164 Pushbutton Oper NIB
Lot 5 GE Cutler Hammer Circuit Breaker 2/3 Pole CC3225 TEB CHB
LGK3400KSG Cutler Hammer 400 Amp Molded Case Switch 
LGH3630MD CUTLER HAMMER Circuit Breaker 600A LGH 600V
LES3600LSIG CUTLER HAMMER 600 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
LES3600LSG CUTLER HAMMER 600 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
LES3600LS CUTLER HAMMER 600 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
LDC3600 CUTLER HAMMER 600 AMP 600 VOLT 3 POLE CIRCUIT BREAKER A
LD3600FS Cutler Hammer 600V 600A 3P Visabreaker Circuit Breaker w LT3600T Trip
LC3600 Cutler Hammer Westinghouse Circuit Breaker 3P 600A 600V
LA3200PR Cutler Hammer 200 amp Breaker
LK Cutler Hammer SV9000 50hp 500v Drive 
KT3400T Cutler Hammer KT 3400T 
KES3400LSI CUTLER HAMMER 400 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
KES3400LSG CUTLER HAMMER 400 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
KES3400LS CUTLER HAMMER 400 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
KES3250LSIG CUTLER HAMMER 250 AMP 600 VOLT DIGITRIP ELECTRONIC TRIP UNIT A
KD3400FS Cutler Hammer 400A 600V 3P Visa Frame Circuit Breaker w KT3400T 
KD3400F Cutler Hammer Circuit Breaker
KD2400 CUTLER HAMMER BREAKER OLD STOCK
KB3225 CUTLER HAMMER WESTINGHOUSE 3POLE 225AMP 600V 
K241 Cutler Hammer Westinghouse KA 241
Johnson Controls Cutler Hammer 1HP VSD Variable Speed Inlipass Drive
JD3200 CUTLER HAMMER WESTINGHOUSE 3POLE 200AMP 600V 
JA JB KA KB LB LBB AND MCP breakers
IS A CUTLER-HAMMER CIRCUIT BREAKER CRD316T33W 3 POLE 600V 1600A
IQESUE208 Cutler Hammer 
IQESJ208 Cutler Hammer 
IQDP4030 CUTLER HAMMER 
IQCEDII Cutler Hammer 
IQ504B Cutler Hammer IQ 504 B 
IQ502B Cutler Hammer IQ 502 B 
IQ502A Cutler Hammer IQ 502 A 
IQ502A Cutler Hammer 
IQ500LA Cutler Hammer IQ 500 LA 
IQ220TRAN Cutler Hammer IQ 220 TRAN FREE SHIP
IQ220 Cutler Hammer IQ 220 
Industrial Control Panel Enclosure Disconnect Switch Cutler Hammer
in Box Next  shipping available
in Box Cutler-Hammer Clipper VL CVL 80 Commercial Grade Surge Suppressor 
IN BOX CUTLER-HAMMER AA33P THERMAL OVERLOAD RELAY
IN BOX Cutler-Hamme?r AF93 Drive 7HP 76A 3 Phase Price REDUCTION 
in Box Cutler Hammer E51ALS5 24MM RANGE 20-264V AC/DC YELLOW SENSOR
In Box 
In Box 
I EATON/CUTLER HAMMER OPTA9 I/O CARD FOR 9000X DRIVE T2-4 
HUGE LOT 19 CUTLER HAMMER CONTACT BLOCK E30KLA4 215L10
Hubbell Twist-Lock receptacles Cutler Hammer breakers
HTM17 CUTLER HAMMER HTM 17 
HOYT K046 CONTACT KIT 3P SIZE 4 STARTER CUTLER HAMMER MODEL J 626B187G17 
HND312T35W CUTLER HAMMER GROUND FAULT FUNCTIONS
HMDL3800 CUTLER HAMMER BREAKER 3P 800A 600V NOS
HMDL3800 CUTLER HAMMER BREAKER 3P 800A 600V NOS
HMCPE050K2C CUTLER HAMMER Circuit Breaker 50A 600V HMCP
HMCPE030h1c CUTLER HAMMER 30AMP 600V 3POLE MOTOR CIRCUIT PROTECTOR 
HMCPE015E0C CUTLER HAMMER 15AMP 600V 3POLE MOTOR CIRCUIT PROTECTOR 
HMCPE015E0C CUTLER HAMMER 15AMP 600V 3POLE MOTOR CIRCUIT PROTECTOR 
HMCP400X5C Cutler Hammer ?- 
HMCP250W5C Cutler Hammer ?- 
HMCP150U4C Cutler Hammer Circuit Breaker 150A 3P 600V
HMCP150U4C Cutler Hammer ?- 
HMCP150T4C Cutler Hammer ?- 
HMCP150T4 Cutler Hammer Circuit Breaker 3p 600v 150a HMCP150T4C EATON
HMCP100R3C Cutler Hammer ?- 
HMCP070M2C Cutler Hammer Circuit Breaker
HMCP050K2C Cutler Hammer Circuit Breaker
HMCP050K2C CUTLER HAMMER 50 AMP 600 VOLT MOTOR CIRCUIT PROTECTOR A
HMCP050K2C Cutler Hammer ?- 
HMCP030H1C Cutler Hammer ?- 
HMCP015EOC 15A Motor Circuit Protector HMCP015E0C CUTLER HAMMER WESTINGHOUSE
HMCP015E0C Cutler Hammer HMCP015EOC  
HLD3600T57W CUTLER HAMMER 600 AMP 600 VOLT ELECTRONIC CIRCUIT BREAKER A
HLD3600 CH CUTLER HAMMER Circuit Breaker 3P 600A HLD 65k AIC
HLB3300T Cutler Hammer HLB 3300 T FREE SHIP
HKD3400T52W CUTLER HAMMER Circuit Breaker 400A HKD
HKD3400 400 AMP CUTLER HAMMER CIRCUIT BREAKER
HKD3250T56W Cutler Hammer Series C 250A 600V OPTIM 550
HKD3250 250 AMP CUTLER HAMMER CIRCUIT BREAKER
HJDDC3250F Cutler Hammer Circuit Breaker HJDDC3200 3P 200A 600V
HJD3250F Cutler Hammer Circuit Breaker
High Interrupting 65K
HFDE308035 CUTLER HAMMER 80 AMP 600 VOLT ELECTRONIC CIRCUIT BREAKER WTRIP A
HFDDC3125 Cutler Hammer Circuit Breaker 3P 125A HFDDC3125LA020?5S2605 - DC RATED
HFD3225 Cutler Hammer Circuit Breaker 3p 600v 225a Series C EATON
HFD3225 CUTLER HAMMER 3P 225A 600V BREAKER NOS
HFD3225 by Cutler Hammer in Box
HFD3225 225 AMP CUTLER HAMMER CIRCUIT BREAKER
HFD3225 225 AMP CUTLER HAMMER CIRCUIT BREAKER
HFD3200 by Cutler Hammer in Box
HFD3200 200 AMP CUTLER HAMMER CIRCUIT BREAKER
HFD3175 by Cutler Hammer in Box
HFD3175 175 AMP CUTLER HAMMER CIRCUIT BREAKER
HFD3150L Cutler Hammer Circuit Breaker
HFD3150 CUTLER HAMMER Circuit Breaker 3P 150A 600V
HFD3150 by Cutler Hammer in Box
HFD3150 150 AMP CUTLER HAMMER CIRCUIT BREAKER
HFD3125 by Cutler Hammer in Box
HFD3110 by Cutler Hammer in Box
HFD3100 CUTLER HAMMER Circuit Breaker 3P 100A 600V RED
HFD3100 Cutler Hammer Circuit Breaker
HFD3100 Cutler Hammer Circuit Breaker
HFD3100 Cutler Hammer Circuit Breaker
HFD3100 CUTLER HAMMER 100 AMP 600 VOLT CIRCUIT BREAKER 65K AIC 
HFD3080L CH Cutler Hammer HFD3030  BRAND 
HFD3070L CH Cutler Hammer HFD3030  BRAND 
HFD3060L CH Cutler Hammer HFD3030  BRAND 
HFD3050 CUTLER HAMMER 65K AIC 
HFD3045 45 AMP CUTLER HAMMER CIRCUIT BREAKER 
HFD3040 Cutler Hammer HFD 3040 
HFD3040 CUTLER HAMMER 65K AIC 
HFD3035 35 AMP CUTLER HAMMER CIRCUIT BREAKER 
HFD3030L CH Cutler Hammer HFD3030  BRAND 
HFD3030 Cutler Hammer Westinghouse Circuit Breaker 
HFD3030 Cutler Hammer Westinghouse Circuit Breaker 
HFD3030 CUTLER HAMMER 65K AIC 
HFD3030 30 AMP CUTLER HAMMER CIRCUIT BREAKER 
HFD3025 CUTLER HAMMER 25 AMP 600 VOLT 65K CIRCUIT BREAKER - A 
HFD3015 CUTLER HAMMER 65K AIC 
HFD3015 CH Cutler Hammer ? 
HFD2060 60A HFD CUTLER HAMMER
HFD 100K SERIES C WESTINGHOUSE SINGLE PHASE 3 POLE
HFB3060L Cutler Hammer HFB 3060L FREE SHIP
GUARANTEEED BRAND CUTLER HAMMER MES3800LS TRIP UNIT
GUARANTEED BRAND CUTLER HAMMER JDB3225W JDB3225
GRT1 CUTLER HAMMER GRT 1 
GOOD CUTLER HAMMER CIRCUIT BREAKER 400 AMP KD2400F 2 POLE S45J
GHC3060 Cutler Hammer GHC 3060 
GHBS2030D CUTLER HAMMER 30A 277/480V REMOTE CONTROLLED CIRCUIT BREAKER A
GHBS2030D CUTLER HAMMER 30A 277/480V REMOTE CONTROLLED CIRCUIT BREAKER A
GHBS2020D CUTLER HAMMER 20A 277/480V REMOTE CONTROLLED CIRCUIT BREAKER A
GHBS2020D CUTLER HAMMER 20A 277/480V REMOTE CONTROLLED CIRCUIT BREAKER A
GD3100 CUTLER HAMMER 3POLE 100AMP 480V 
GD3060 CUTLER HAMMER Circuit Breaker 60A 3P 600V GD
GD3060 CUTLER HAMMER BREAKER 60A 3P 480V
GD3045 CUTLER HAMMER 3POLE 45AMP 480V 
FS360060 A Cutler-Hammer 60A 600V 3P Circuit Breaker Zoom Enlarge Sell
FS340150B Cutler Hammer Circuit Breaker 150 Amp 
FS340125 CH CUTLER HAMMER Circuit Breaker FS 125A 3P 480V - tested & cleaned -
FS340100A Cutler Hammer Circuit Breaker 100 amp 
FS340050A Cutler Hammer FS 340050A FREE SHIP
FS320040A CUTLER HAMMER CIRCUIT BREAKER in Box
Fresh Take Outs Priced Right
FREEDOM 2100 CUTLER HAMMER SIZE 2 FEEDER BUCKET WMOTOR CIRCUIT PROTECTOR A
FREEDOM 2100 CUTLER HAMMER SIZE 1 FEEDER BUCKET WMOTOR CIRCUIT PROTECTOR A
FREEDOM 2100 CUTLER HAMMER FEEDER BUCKET WITH 800 AMP 600V CIRCUIT BREAKER A
FH360050A Cutler Hammer 50 Amp 600 Volt 3 Pole Circuit Breaker
FDPWT3611R Cutler Hammer 3p 600v 30a Twin Fusible Switch Surplus In Box
FDPW326MR CUTLER HAMMER 600A 240V FUSIBLE DISCONNECT SWITCH f
FDCE322536 CUTLER HAMMER 225 AMP 600 VOLT ELECTRONIC CIRCUIT BREAKER WTRIP A
FDC3225 CUTLER HAMMER 225 AMP 600 VOLT CIRCUIT BREAKER A
FDC3200 NIB Cutler Hammer 100K 200 amp 480V Circuit Breaker
FDC3200 CUTLER HAMMER 200 AMP 600 VOLT CIRCUIT BREAKER A
FDC3175 CUTLER HAMMER 175 AMP 600 VOLT CIRCUIT BREAKER A
FDC3175 CUTLER HAMMER 175 AMP 600 VOLT CIRCUIT BREAKER A
FDC3150 CUTLER HAMMER 150 AMP 600 VOLT CIRCUIT BREAKER A
FDC3150 CUTLER HAMMER 150 AMP 600 VOLT CIRCUIT BREAKER A
FDC3125 CUTLER HAMMER 125 AMP 600 VOLT CIRCUIT BREAKER A
FDC3100 CUTLER HAMMER 100 AMP 600 VOLT CIRCUIT BREAKER A
FDC3090 CUTLER HAMMER 90 AMP 600 VOLT CIRCUIT BREAKER A
FDC3080 CUTLER HAMMER 80 AMP 600 VOLT CIRCUIT BREAKER A
FDC3070 CUTLER HAMMER 70 AMP 600 VOLT CIRCUIT BREAKER A
FDC3060 CUTLER HAMMER 60 AMP 600 VOLT CIRCUIT BREAKER A
FDC3050 CUTLER HAMMER 50 AMP 600 VOLT CIRCUIT BREAKER A
FDC3040 CUTLER HAMMER 40 AMP 600 VOLT CIRCUIT BREAKER A
FDC3030 Cutler Hammer FDC 3030 
FDC3030 CUTLER HAMMER Circuit Breaker 3P 30A 600V 
FDC3030 CUTLER HAMMER 30 AMP 600 VOLT CIRCUIT BREAKER A
FDC3020 CUTLER HAMMER 20 AMP 600 VOLT CIRCUIT BREAKER A
FDC3015 CUTLER HAMMER 15 AMP 600 VOLT CIRCUIT BREAKER A
FDC2060 CH Cutler Hammer Circuit Breaker  BRAND 
FDB3150 by Cutler Hammer in Box
FDB3125L CH Cutler Hammer FDB3125 ?- 
FDB3125 Cutler Hammer Westinghouse FREE SHIP
FDB3125 Cutler Hammer Series C Circuit Breaker 3P 125A 
FDB3125 Cutler Hammer FDB3125L WBUS BAR BRACKETS
FDB3125 by Cutler Hammer in Box
FDB3100L CH Cutler Hammer FDB3100 ?- 
FDB3100A02 Cutler Hammer Circuit Breaker 100 Amps
FDB3100 by Cutler Hammer in Box
FDB3090L CH Cutler Hammer FDB3090 ?- 
FDB3070L CH Cutler Hammer FDB3070 ?- 
FDB3060L CUTLER HAMMER FDB3060L 
FDB3060L CH Cutler Hammer FDB3060 ?- 
FDB3040L CH Cutler Hammer FDB3040 ?- 
FDB3020L CH Cutler Hammer FDB3020 ?- 
FDB3015L CH Cutler Hammer FDB3015 ?- 
FD3225 by Cutler Hammer in Box
FD3175 Cutler Hammer Circuit Breaker
FD3150 Cutler Hammer Circuit Breaker
FD3100S 100A 600V 3P Cutler Hammer Visa Circuit Breaker - in Box
FD3100KL CUTLER HAMMER MOLDED CASE SWITCH - 
FD3100 Cutler Hammer Circuit Breaker Westinghouse
FD3100 CUTLER HAMMER BREAKER 100A 3P 600V NOS
FD3070S 70A 600V 3P Cutler Hammer Visa Circuit Breaker - in Box
FD3060L CH Cutler Hammer FD3060  BRAND 
FD3060 Cutler Hammer Circuit Breaker
FD3050L Cutler Hammer Series C 50A 3P 600V FD 
FD3050 Cutler Hammer Series C 50A 3P 600V FD NO BOX
FD3050 Cutler Hammer Series C 50A 3P 600V FD 
FD3050 Cutler Hammer Series C 50A 3P 600V Bolt-On FD Red Label IN BOX
FD3040S 40A 600V 3P Cutler Hammer Visa Circuit Breaker - in Box
FD3040L CH Cutler Hammer FD3040 ?- 
FD3040 Cutler Hammer Circuit Breaker
FD3035L Cutler Hammer FD3035 ?- 
FD3030 Cutler Hammer Series C 30A 3P 600V FD PULL
FD3030 Cutler Hammer Series C 30A 3P 600V FD - IN BOX
FD3030 Cutler Hammer Circuit Breaker
FD3020 Cutler Hammer Series C 20A 3P 600V FD - -
FD3020 Cutler Hammer Series C 20A 3P 600V FD 
FD3020 Cutler Hammer Circuit Breaker
FD3015L Cutler Hammer CIRCUIT BREAKER 3P 600V 15A NIB
FD2100 CUTLER HAMMER BREAKER OLD STOCK
FD2050 CUTLER HAMMER BREKER OLD STOCK
FD2015L FD2015 CH Cutler Hammer  BRAND 
FB3020 Cutler Hammer N1 enclosed circuit breaker 20A 3P
FACTORY SEAL CUTLER HAMMER 200 AMP INDOOR MAIN BREAKER BOX CATBR4040B200?V
F3S03C CUTLER HAMMER 
EZD-AC-CP8-NT Cutler Hammer Programmable Relay EZDACCP8NT
EOP6T08K EOP6T08 Cutler Hammer 120v Electrical Operator RD Frame 
EMERGENCY POWER TRANSFER SYSTEM CUTLER HAMMER/BRIGGS AND STRATTON
ELHFD3125L Cutler Hammer CIRCUIT BREAKER 600V 125A NIB
ELHFD3050L Cutler Hammer CIRCUIT BREAKER 600V 50A NIB
ELHFD3050L Cutler Hammer CIRCUIT BREAKER 600V 50A 
ELHFD3025L Cutler Hammer CIRCUIT BREAKER 600V 25A 
ELHFD3015L Cutler Hammer CIRCUIT BREAKER 600V 15A 
ELFW4063L Cutler Hammer CIRCUIT BREAKER 600V 63A 
ELFD3150L Cutler Hammer CIRCUIT BREAKER 600V 150A NIB
ELFD3070L Cutler Hammer CIRCUIT BREAKER 600V 70A 
ELECTRICAL DISTRIBUTION SYSTEM METER - CUTLER-HAMMER IQ310
electric supply lot cutler hammer and more 
Electric Operator For Cutler Hammer Breaker L M Frame
EL3150R CUTLER HAMMER 
EL3100R CUTLER HAMMER 
EL3050R CUTLER HAMMER 
EL3030R CUTLER HAMMER 
EL3015R CUTLER HAMMER 
EL3003R CUTLER HAMMER 
EHD3100K CUTLER HAMMER Circuit Breaker 3P 100A 480V 
EHD3025 CUTLER HAMMER BREAKER 25A 3P 480V
EHD2090 CH Cutler Hammer ? 
EHD2080 CH Cutler Hammer ? 
EHD2070 CH Cutler Hammer ? 
EHD2040 CH Cutler Hammer ? 
EGH3050FFG CUTLER HAMMER Circuit Breaker 50A 600V EGH
ED3225L CH Cutler Hammer ED3225  BRAND 
ED3225 Cutler Hammer Circuit Breaker
ED3225 CUTLER HAMMER 225 AMP 240 VOLT CIRCUIT BREAKER F
ED3200 CUTLER HAMMER 200 AMP 240 VOLT CIRCUIT BREAKER F
ED3100 By Cutler-Hammer
ECN3301CAA Cutler Hammer A15C1 NEMA Lighting Motor Starter Contactor Type 1
ECN1711TAC Cutler Hammer Reversing Combination Motor Starter 
ECN1612AAB CUTLER HAMMER MOTOR CONTROL
ECN0618CAACUTLER-HAMMER CONTACTOR AN56DN0-IN BOXNO RESERVE
ECN0531AAA Cutler Hammer 
ECN0521BAA Cutler Hammer 
ECN0501BAA CUTLER HAMMER 
ECN0501BAA CUTLER HAMMER 
ECL03B1HBA Cutler Hammer Motor Starter 20 Amp NEMA 1 Lighting Contactor Switch
ECL03B1A4A CUTLER HAMMER ECL03B1A4A 
EATONS Cutler hammer PanelMate ePro 7585K-8XE EPRO p/n 92-02043-01 Brand 
EATONS Cutler Hammer 7685T-10 Panelmate ePro PS P/N 3-2394-02 24VDC 33W Tested
EATON-CUTLER HAMMER TYPE CBX MODEL 10316H2166A LIMIT SWITCH EXPLOSIO PROOF
EatonCutler Hammer Solenoid Coil SZD Style 9-1347-11 
Eaton-Cutler Hammer ECL03C1A9A Lighting Contactor NIB
EATON-CUTLER HAMMER E5830DP150ELPB
EATON-Cutler Hammer DH365NRK 73999
EATON-CUTLER HAMMER AN16NN0A NEMA STARTER SIZE 4 IN BOX
EATON/CUTLER-H?AMMERCE15DNS3?AB 3 POLE 110/120V 50/60 HZ MAX HP 5 18 AMP
EATON/CUTLER-H?AMMER/OPCON 1320B-6501 PHOTOELECTRIC NIB
EATON/CUTLER-H?AMMER/HONEYWEL?L HVX010A1-2A1B1?/SVX007A1-2A1B?1 10HP DRIVE NNB
EATON/CUTLER-H?AMMER E58-18DP50-ELP?B E58 HARSH DUTY 18mm 2 Inch PERFECT PROX
EATON/CUTLER-H?AMMER E57LBL12A2S5 12mm TUBULAR INDUCTIVE PROXIMITY SENSOR
EATON/CUTLER-H?AMMER E57LAL30A2 30mm TUBULAR INDUCTIVE PROXIMITY IN BOX
EATON/CUTLER-H?AMMER E48S0136 CABLE PULL SWITCH E48SO136 
EATON/CUTLER-H?AMMER D100CD20 PLC RFB
EATON/CUTLER-H?AMMER CPS200480DAB CPS VISOR NIB
EATON/CUTLER-H?AMMER CB00010-6075 POWER BOARD PCB525-690V 60HP-75HP
EATON/CUTLER-H?AMMER 8RBA4-50E/5982?C44A11 FUSE NIB
EATON/CUTLER-H?AMMER 8RBA4-50E FUSE NNB
EATON/CUTLER-H?AMMER 8RBA4-50E FUSE NNB
EATON/CUTLER-H?AMMER 10370H81/10370?H81A AC SOLENOID NIB
Eaton/Cutler Hammer XTSC063DDTD-JW?1 Motor Controller 24VDC 3-2256-004A 
EATON/CUTLER HAMMER W201K4CF NON-REVERSING CONTACTOR 135A 3P NIB
EATON/CUTLER HAMMER SVX010A1-2A1B1 AC DRIVE 10HP XLNT
EATON/CUTLER HAMMER SVX007A1-4A1B1 AC DRIVE 75HP NIB
EATON/Cutler Hammer Real Set of Contacts 6-43-5
EATON/CUTLER HAMMER MPC1C10 CONTROLLER XLNT
Eaton/Cutler Hammer LEP3400T52 TRIP UNIT LSI SERIES C NEMA L-FRAME 3P 400A 600VA
EATON/CUTLER HAMMER KDC3400F/1492D?83G03/KDC 100K XLNT
Eaton/Cutler Hammer HFD
Eaton/Cutler Hammer ECN0501AAA NEMA Size 0 Starter AN16BNO C306DN3
Eaton/Cutler Hammer detector head 1265A-202
EATON/CUTLER HAMMER CIRCUIT BREAKER IN FACTORY BOX CC3225 3P 225A 240VAC
EATON/CUTLER HAMMER CIRCUIT BREAKER IN FACTORY BOX CC2175 2P 175A 240VAC
EATON/CUTLER HAMMER 7685T-12 OPERATOR INTERFACE RFB
EATON/CUTLER HAMMER 7585K-8 EPRO 92-02033-01 RFB
EATON/CUTLER HAMMER 7585DT-15 OPERATOR INTERFACE NIB
FD3060 - 600V 60A 3Pole 35k ACI CUTLER-HAMMER Circuit breaker
E50SBL6PC Cutler-Hammer Limit Switch Double Pole 
Cutler-Hammer XTCS500M Contactor
CUTLER-HAMMER V201KRCJ VACUUM CONTACTOR
CUTLER-HAMMER Universal 200A Breaker FI3200L 
CUTLER-HAMMER Universal 175A Breaker FI3175L 
CUTLER-HAMMER Universal 150A Breaker FI3150L 
Cutler-Hammer TAP 364 Busway Fusible Switch 2592D24G05 -  No Box
CUTLER-HAMMER SVX001A1-4A1B1?/PX0003411BSVX0031V017 XLNT
Cutler-Hammer Starter ECN1821EHA Motor Controller Circuit Switch Box
Cutler-Hammer Size 0 Starter ECN 1601 AAA
CUTLER-HAMMER S801T24N3B 240 AMP 600VAC SOFT STARTER
Cutler-Hammer S34N12S26 Dry Type Transformer
Cutler-Hammer Push Button Assembled Station 10250T7007S
Cutler-Hammer PCMCIA DeviceNet Interface D930PCMDNA Scanner PC Card
Cutler-Hammer MVX9000 MVXDN DeviceNet Module
Cutler-Hammer MVX001A0-2 Drive 240V
Cutler-Hammer motor starter combo fusible disconnect nema 1 30A 3 phase
Cutler-Hammer motor starter combo fusible disconnect nema 0 30A 1 phase
Cutler-Hammer Motor Control Starter ECN1811CCC Circuit Switch Box - 
Cutler-Hammer motor combo starter disconnect single phase nema size 0 30A 
Cutler-Hammer motor combo starter disconnect 3 phase nema size0 7A breaker
CUTLER-HAMMER LS360600A CIRCUIT BREAKER 3 POLE TYPE LS
CUTLER-HAMMER LIMIT SWITCH 10 AMP 10316H187
Cutler-Hammer Lighting Contactor ECC04C1A4A NIB
CUTLER-HAMMER HM4R12 ROTARY HANDLE IN BOX
CUTLER-HAMMER FS360125-A CIRCUIT BREAKER 3 POLE 125 AMP FS360125A FS TYPE
Cutler-Hammer FS340090A Circuit Breaker
CUTLER-HAMMER FD3050 50A 600V CIRCUIT BREAKER
Cutler-Hammer ER53025UG Enclosed Rotary Disconnect Switch 25A 3P 
Cutler-Hammer ECN5432AAA SZ3 120V N3R PUMP PANEL W DISC
CUTLER-HAMMER EA135PN SOFT START 135AMP QUANTITY
Cutler-Hammer E58-18DP50-DLP 2 Wire DC Micro-Connecto?r
Cutler-Hammer E57MAL30A2B1 Proximity Switch Series E1
Cutler-Hammer E57MAL30A2B1 Pack of 6 Proximity Switch Series E1
Cutler-Hammer E57MAL18AT13EB?1 Proximity Sensor Series A1 -  No Box
Cutler-Hammer E57LBL30A2 Inductive Proximity Sensor Series E1
Cutler-Hammer E57LAL30A2 Inductive Proximity Sensor Series E1
Cutler-Hammer E57LAL18A2SA Inductive Proximity Switch Series G1
Cutler-Hammer E57LAL12T110ED Proximity Switch Ser G1 6-48VDC -  No Box
Cutler-Hammer E57EAL5T111SP Sensor
Cutler-Hammer E57-18LE20-AB Proximity Switch
CUTLER-HAMMER E54WAK34SAT12E?B1 E54 WELD IMMUNE INDUCTIVE PROXIMITY SENSOR
Cutler-Hammer E51KH2 Pack of 6 Mounting Bracket Kit
Cutler-Hammer E51KF3410 Sensor
Cutler-Hammer DPC311-D2 DPC311D2 Module -  No Box
Cutler-Hammer DigiTrip 1150 Trip Unit 11ARMLSIG ARC FLASH REDUCTION
Cutler-Hammer DigiTrip 1150 Trip Unit 11ARMLSI ARC FLASH REDUCTION
CUTLER-HAMMER DH362URK 60A 600V 3 POLE HEAVY DUTY SAFETY SWITCH
Cutler-Hammer DH324NRK 200A 240VAC/V Type 3R Rainproof 4 Wire
Cutler-Hammer D80JE21A Pneumatic Timer 120v D80J D80JE 
Cutler-Hammer D60LA0 Adjustable Current Relay
cutler-hammer CLIPPER VL SURGE PROTECTIVE DEVICE CVL 80 CVL080CH480DBD?RSX
Cutler-Hammer Circuit Panel 225 AMP MAIN Plus 4 2 20 Amp Breakers box
Cutler-Hammer CE15KNS2AB-T16 Contactor
CUTLER-HAMMER CATCPS160480?DAASN27218?160 KA CLIPPER POWER SYSTEM 
CUTLER-HAMMER C825KN10 200A 120V CONTACTOR
Cutler-Hammer C515ZNY1 Logic Module
CUTLER-HAMMER BREAKER PANEL 125 AMPS BR612L125RP TYPE 3 ENCLOSURE
Cutler-Hammer AN56DN0 Series B Size 1 Starter
CUTLER-HAMMER AN16BN0AC AN16BGA3GC NEMA SZ 0 120V MOTOR STARTER
Cutler-Hammer AE16DN0AC 3 Pole Starter Size D
Cutler-Hammer AE16ANS0AB Motor Starter 7a Size A 1a0b AE16ANSOAB NIB
CUTLER-HAMMER A10DNOAB AC MAGNETIC STARTER SIZE 2 OPEN TYPE IN BOX
CUTLER-HAMMER A10BG0 A51BNV0A NEMA SZ 0 120V REVERSING STARTER
Cutler-Hammer 6702ED642 3 Pole Special Purpose AC Contactor
Cutler-Hammer 6702ED642 3 Pole Special Purpose AC Contactor
Cutler-Hammer 5HP Starter Motor Controle Disconnect Switch Box ECN1801CJC
CUTLER-HAMMER 50 AMP CONTACTOR ASSEMBLY MODEL CE15KN3 C320KGT3
CUTLER-HAMMER 300A TRIP UNIT KT3300TV ALLEN-BRADLEY
CUTLER-HAMMER 250A TRIP UNIT KT3250TV ALLEN-BRADLEY
CUTLER-HAMMER 225A TRIP UNIT KT3225T ALLEN-BRADLEY
CUTLER-HAMMER 225A TRIP UNIT JT3225TV ALLEN-BRADLEY
CUTLER-HAMMER 200A TRIP UNIT JT3200T ALLEN-BRADLEY
Cutler-Hammer 2 Pole 200 AMP 240V- CC2200 Circuit Breaker
CUTLER-HAMMER 175A TRIP UNIT KT3175TV ALLEN-BRADLEY
CUTLER-HAMMER 150A TRIP UNIT JT3150TV ALLEN-BRADLEY
CUTLER-HAMMER 13108AQD07 COMET PHOTOELECTRIC 10-30VDC MICRO-CONNECTO?R NIB
Cutler-Hammer 13104AQD07 Comet Photoelectric Series A3
Cutler-Hammer 10316H2159 Limit Switch 600 vac
Cutler Hammer XTOEO45CCSS electronic overload 9-45amp
Cutler Hammer XTCS500M contactor 230-1000V max 700amp max
CUTLER HAMMER WMS3C25 BREAKER 3 POLE 25 AMP SUPPLEMENTARY PROTECTOR 
CUTLER HAMMER WESTINGHOUSE JGH3250NN J250H 250 AMP 3 POLE CIRCUIT BREAKER
CUTLER HAMMER WESTINGHOUSE 5ACLS-12R FUSE 508KV 230 AMP 151D933G02 NNB
CUTLER HAMMER WESTINGHOUSE 5ACLS-12R FUSE 508KV 230 AMP 151D933G02 NIB
Cutler Hammer WCBS4F Size 4 Replacement PC Board Model D
Cutler Hammer W200MLCFC non reversing starter 3pole size 1 120V coil
CUTLER HAMMER VERT REV STARTER 120V 3X3 POLES
Cutler Hammer UVH3LP08K UVR type K breaker 110-127VAC
Cutler Hammer UVH2LP26K UVR series C type J breaker 110-125VDC
Cutler Hammer UVH1RP08K UVR type F breaker 110-127VAC
Cutler Hammer Transformer S20N11S51N 5KVA 
Cutler Hammer SVX010A1-4A1B1 10HP Drive
CUTLER HAMMER SVX006A1-4A1B1 DRIVE SVX9000 
Cutler Hammer SVX 9000 SVX001A1-4A1B1 AC Drive
CUTLER HAMMER SURGE PROTECTION DEVICE SUPERVISOR 
Cutler Hammer Starter Contact CAT-XTCE58ON 250
Cutler Hammer SNT6P11K shunt trip 110/240VAC series C type R breaker
Cutler Hammer Size D Pull Type AC Solenoid 10370H357 220v missing plunger
Cutler Hammer Size B Pull Type AC Solenoid 10370H57 110vac 
Cutler Hammer Size B Pull Type AC Solenoid 10370H57 110vac 
CUTLER HAMMER SIZE 5 MOTOR STARTER 120 V COIL
Cutler Hammer Size 1 Motor Starter AN16DNOAB 
CUTLER HAMMER SHUNT TRIP SNT4LP03K
CUTLER HAMMER SHUNT TRIP SNT3P11K
Cutler Hammer shunt trip for type PC breaker 2 & 3 pole 32-120V
Cutler Hammer S811R10N3S soft start reduced voltage motor starter
CUTLER HAMMER S34N12S26 DRY TYPE TRANSFORMER
Cutler Hammer PSG240F 240W 3 Phase Power Supply 10 A
Cutler Hammer PS256B-01B1 Conveyor Sensor Power Supply Ser A1 27vdc 100w
Cutler Hammer PS256B-01B1 Conveyor Sensor Power Supply Ser A1 100-250vac
CUTLER HAMMER PROXIMITY SWITCH E57SAL12T110
Cutler Hammer Proximity Switch Base E51CLT26PU
CUTLER HAMMER PRL1A 400 AMP PANELBOARD POW-R-LINE 42CT 
Cutler Hammer Power Supply PS256A-44B1 
Cutler Hammer Pneumatic Timer D80ND1A
Cutler Hammer Pneumatic Timer 600VAC Fast/Slow 10337H278A
CUTLER HAMMER PHOTOELECTRIC HEAD THRU BEAM E51DC1
CUTLER HAMMER PHOTO ELECTRIC SENSOR 20 SERIES OPCON 1141D-6501 1141D6501 
CUTLER HAMMER PANELMATE eProPS 7685T-8C 8" TFT DISPLAY 24VDC 13A 32W
CUTLER HAMMER PanelMate ePRO PS TOUCH SCREEN OPERATOR INTERFACE 7685T-12
CUTLER HAMMER PANELMATE ePRO 7585T-8XE 24VDC 16A 34W
Cutler Hammer Panelboard wMain KDB3400W 400 Amp 600 V 3R 12 Enclosure
CUTLER HAMMER PAD4E EG 4 POLE PLUG-IN ADAPTER
Cutler Hammer OPCON 1370A-6501 Photoelectric Proximity Sensor 101984
Cutler Hammer OPCON 1370A-6501 Photoelectric Proximity Sensor 101984
Cutler Hammer NON-COMBINATIO?N FVNR Starter CatECN0501EBA "NIB"
CUTLER HAMMER NON REVERSE CONTACTOR MOTOR CONTROL A201K4CA ELECTRICAL 
Cutler Hammer N501CS1D3A size 1 starter 27amp 3pole
Cutler Hammer N101ES3M3A size 3 starter 90A class 20 24VDC 3pole
Cutler Hammer MVX9000 1HP 480V 3 phase cat MVX001A0-4
CUTLER HAMMER MVX9000 1HP - 480V CAT MVX001A0-4 IN OME BOX
CUTLER HAMMER MS27995-1 SWITCH 5930-01-450-20?07
Cutler Hammer MPC1C30 I/O Expander MPC1
CUTLER HAMMER MOTOR 129-0519002
Cutler Hammer Mod DH367URK Heavy Duty Safety Switch LK
Cutler Hammer Mod DH366URK Heavy Duty Safety Switch LK
Cutler Hammer Mod DH365URK Heavy Duty Safety Switch LK
Cutler Hammer Mod DH365UDK Heavy Duty Safety Switch LK
Cutler Hammer Mod DH365FRK Heavy Duty Safety Switch LK
Cutler Hammer MDL3800WKA1201?S0101 high magnetic molded case switch
Cutler Hammer MB816P200STD Meter socket breaker panel 200 A 5th jaw 3R
CUTLER HAMMER KS320400D CIRCUIT BREAKER 400 AMP
Cutler Hammer KHMVD12R K Frame Handle 12" shaft
Cutler Hammer KG3400S46 400amp 3pole trip range 1000-2000A shunt 12-24V
Cutler Hammer KG3400S42 Generator Circuit Breaker 400A 3P 600V 
Cutler Hammer KG3300 generator breaker 300amp 3pole 
Cutler Hammer Industrial Heavy Duty Relay 9560H823A HN53AF101 360A
CUTLER HAMMER INDUSTRIAL CONTROL TRANSFORMER C0500E2AFB VA:500