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EXW3 ACB PRODUCT CATALOG
EXW3 Air Circuit Breaker
Functions and Features
Structuredescription
Circuitbreakerdescription
Thecircuitbreefermactstruuredlafeathntatsystelodetwenwnulatinotlatwi separateraantratnnelltlnlertna operatrnteratreaaehefrontfthwpnentafanfathuiter replaced as a whole (see Figure 2 and Figure 3).
EXW3 Air Circuit Breaker Functions and Features
EXW3 Air Circuit Breaker Functions and Features
Productdescription
Features
·7Frame Size:1600、2000、2500、3200、4000、6300AF
·Rated current In(A):400-6300
·Rated voltage AC Ue(V):400/415、660/690
·Poles:3&4
·3type of intelligent controllers
Normal operating conditions
1.Applicable temperature:
-Suitableforuse at .5°C to +40°\mathsf C
-Also for use at \angle40°C to +70°\mathsf C (Mic1.0 standard type), and -25°C to +70°\mathsf C (Mic2.0 multi-function type,and Mic5.0intelligenttype)
2.Altitude: <=slant2,000\mathsf{m} at the mounting site;
3.Atmospheric conditions:
-Air relative humidity: <=slant50% at themaximum temperatureof +40°\mathsf C ,andahigherrelative humidity is allowed when ata lowertemperature;
-For example,at 20°\mathsf{C} ，the humidity is 90% ，and special measures should be taken for occasionalcondensation dueto temperature change;
4.Pollution level:Level3;
5.Mounting category:
-IV forcircuit breaker’s main circuit,under-voltage release coil,and power transformer’s primarycoil;
-Ill forotherauxiliary circuits and controlcircuits;
6.Utilization category:B
Classifications
1.By mounting method: Fixed type and withdrawable type
2.By operating mode:Motoroperating and manualoperating(formaintenance and repair) 3.Bythe numberofpoles:3P and4P
4.By release type:Intelligent controller,under-voltage instantaneous(ortime delay)release, and shuntrelease
5.By intelligent over-current controller function: Mic5.0 (intelligent type), Mic2.0 (multifunction type); Mic1.0 (standard type).
EXW3 Air Circuit Breaker
FunctionsandFeatures
Productselection
EXW3 Air Circuit Breaker FunctionsandFeatures
Technicaldataandperformance
Technical data
| Frame size(Inm) | EXW3-1600 | EXW3-2000 | EXW3-2500 | EXW3-3200 | EXW3-4000 | EXW3-6300 | |
| N | N | N | N | N | N | ||
| Rated operating In(A) | 200、400 1000 0250 1600 | 630、800、1000 1250、1600、2000 | 2500 | 2000、2500、3200 | 4000 | 4000、5000、6300 | |
| Neutral pole rated rurrent In(A) | 100%ln | 100%ln | 100%ln | 100%ln | 100%ln | 50%ln | |
| Rated operated voltage Ue(V) | AC400/415/440/690 | ||||||
| Rated frequency | 50/60Hz | ||||||
| Number of poles | 3P/4P | ||||||
| Ratediaglsemwithstand | AC12 | ||||||
| Rated insulation Voltage Ui(V) Power frequency withstand voltage(V) | AC1000 | ||||||
| Rated short-circuit breaking capacity | AC400V/415V | 50 | 85 | AC3500 | 85 | 85 | |
| AC440V/690V | 35 | 50 | 85 50 | 65 | 65 | 120 85 | |
| Operating short-circuit AC400V/415V breaking capacity | 42 | 65 | 65 | 70 | 70 | 100 | |
| Ics(kA) Rated short-time | AC440V/690V | 35 | 50 | 50 | 65 | 65 | 85 |
| AC400V/415V | 42 | 65 | 65 | 70 | 70 | 100 | |
| withstand current Icw/1s (kA) Rated short-circuit | AC440V/690V | 35 | 50 | 50 | 65 | 65 | 85 |
| AC400V/415V | 110 | 187 | 187 | 187 | 187 | 264 | |
| making capacity Icm (kA) | AC440V/690V | 73.5 | 110 | 110 | |||
| B | 143 | 143 | 187 | ||||
| Utlization category | |||||||
| Breaking time Marking time | ≤30 ms | ||||||
| Electrical life(times) ≤2000 1time/3min | 400V | 4500 | ≤70ms 4000 | 3000 | 2000 | ||
| >2000 1time/6min Mechanical life(times) ≤2000 1time/3min >2000 1time/6min | 5000 | 4000 | |||||
| maintehancel maintehance | 10000 20000 | 10000 20000 | 10000 20000 | 8000 15000 | 8000 15000 | 5000 8000 | |
| Mechanical life of drawertype (times) 1time/2min | 1000 | 1000 | 1000 | 600 | 600 | 300 | |
| Incomming methed Flashover distance(mm) | Incomming methed 0 | ||||||
| Installation methed | Fixed type or withdrawable type | ||||||
EXW3 Air Circuit Breaker Functions and Features
Controllerpanelstructure
| Controller function | Mic1.0 | Mic2.0 | Mic5.0 | Note | |||
| Interface display | Digital display (keypad); | 一 | 二 | ||||
| LCD display (liquid crystal); | 二 | ||||||
| Overload long delay protection; | ■ | ||||||
| Overload thermal memory; | 口 | ||||||
| Overload pre-alarm; | 口 | 口 | 口 | ||||
| Short-circuit short delay protection; | ■ | ||||||
| Short-circuit instantaneous protection; | |||||||
| Ground fault protection (differentialtype); | ■ | ||||||
| Ground fault alarm; | 口 | 口 | |||||
| Neutral line protection(4P,3P N); | 口 | 口 | |||||
| Current unbalance protection; | 一 | ■ | |||||
| MCR and HSISC protection; | 口 | 口 | 口 | ||||
| Protection function Load monitoring; | 二 | 口 | 口 | ||||
| Under/overvoltage protection; | 二 | 口 | ■ | ||||
| Voltage unbalance protection; | 二 | 口 | |||||
| Phasesequence protection; | 口 | ■ | |||||
| Under/overfrequency protection; | 口 | ||||||
| Demand value protection (current); | 口 | ||||||
| Reverse power protection; | 二 | ||||||
| Zone selective interlocking; | 二 | 口 | |||||
| Residual current protection; | 口 | 口 | |||||
| Missing phase protection; | 口 口 | 口 口 | 口 | ||||
| Measurement | Overtemperature protection and alarm; | ||||||
| 口 | 口 | 口 | |||||
| Current measurement(phase pole,Npole); | 口 | ■ | |||||
| Voltage (phase voltage,line voltage,voltage unbalance rate); Phase sequence detection; | 一 | 口 | |||||
| Frequency measurement; | 二 | 二 | 口 | ||||
| Demand value measurement(current); | ■ | ||||||
| Demand value measurement(power); | 二 | 一 | |||||
| Powermeasurement(active power,reactivepower,apparent power); | 一 | ■ | |||||
| Powerfactormeasurement; | 二 | 二 | |||||
| Energymeasurement(activeenergy,reactiveenergy,apparentenergy); | 二 | 一 一 | 口 | ||||
| Harmonic measurement; | 二 二 | 一 | |||||
| Maintenance | Thermal capacity measurement; | 二 | 一 | 口 | |||
| LEDfault statusindication; | 口 | ■ | |||||
| Fault recording and inquiry; | 口 | 口 | 口 | ||||
| Historical current peak value record; | 一 | 口 | ■ | ||||
| Alarm historyrecord inquiry; | 二 | 口 | 口 | ||||
| Fault tripsignal output; | 口 | ||||||
| Self-diagnostic function; | ■ | 口 | ■ | ||||
| Analog trip test function; | 口 | ||||||
| Contact wear equivalent (alarm) % inquiry; | ■ | ||||||
| Operating times inquiry; | 口 | 口 | |||||
| Clock function; | 二 | 口 | 口 | ||||
| Other | Controller remotereset; | 口 | 口 | ||||
| Communicationfunction:Modbus-RTU; | 二 | 口 口 | |||||
| 1/0 setting function; | 口 | ||||||
| Password setting function; External CT function; | 二 口 | 口 | 口 | ||||
| -indicatesno suchfunction;indicatesstandardfunction;indicates optionalfunction. | |||||||
EXW3 Air Circuit Breaker FunctionsandFeatures
Mic1.0(standard type)
In:Rated current
Fault lamp
Alarmlamp
L1, L2, L3 and N indicators Nphase Current Aphase Current BphaseCurrent Cphase Current
Digital display windowdisplaythe current value, thesettingparameter, thefaultcurrent,thetrippingtime
X10/1:the numberof CB operations, % :the percentage of contact wear, A/kA:ampere/kla for current; S:time
7 Ig:Ground fault tripping
Self-diagnosticfaultindicator li:Instantaneous tripping
Isd:short delay tripping
Ir:overload long-time delaytripping
Returnkey:backtothepreviouslevelorresetting
Test:tripping indication
Storeindicator:Indicatingthata data changehasoccurred “Query”key--Theindicatoris always liton, allowing peopletoviewhistoricalfaultinformation
Setting” key--The indicatoris always on, allowing peopletoviewormodifythesettingsofvarious protectioncharacteristicparameters
-/ down page “Function”key
Enter key +/up page
Indicator--Currentimbalancesetting and alarmindicatorlight
Ic2indicator--Settingsforloadmonitoring2andalarmlights
Ic1indicator--Settingsforloadmonitoring1and alarm lights
EXW3 Air Circuit Breaker Functions and Features
Interfacelegend,indicatorandbutton descriptions of Mic1.0 standard controllers
In:Rated current
LCD screen with three-color backlight.Green standsfor normal running, yellow stands for alarming and red stands fortripping.
Reset button
Fault /Alarm lamp
Runningindicatorflickering in normal running
Communicationindicator
Parameterindicator--
X10/1:thenumberofCBoperations, % ：thepercentageofcontact wear, A/kA:ampere/kla for current;
S:time
Test buttonfortrippingtest Settingbutton
Note:Due torapid upgrade of intelligent controllers,the actual controllertype shallprevail,notlimited tothe above-mentioned controller types.Relevantfunctions canbe tailor-made to your requests.
EXW3 Air Circuit Breaker Functions and Features
rotectionfeaturesandfunctionsoftheintelligentover-currentcontrollers
EXW3 Air Circuit Breaker Functions and Features
| Long delay | Short delay | Instantaneous | Grounding fault | ||||
| Ir | Allowableerror | Isd | Allowableerror | li | Allowableerror | Ig | Allowableerror |
| (0.4~1)In+OFF | ±10% | (1.5~15)In+OFF | ±10% | (1.0~20)In+OFF | ±15% | (0.2~1.0)In+OFF | ±10% |
EXW3 Air Circuit Breaker
Functions and Features
Functiondescription
Majorprotectionfunctioncontrolesfunctionsareettrequirementsuonfactorydelivery;leasecontactusforresetin
Ildelrfipttta gudiiepttharttrlatt load inverse time monitoring.
·Measurement and operation monitoring
Realtq operatitahstastamfistatmratstu
·Queryfunction
pertqtqqq grid measurementparameterquery
·Parametersettingfunction
Thefonrttparaeditlttnaledondapttoent ant circithtturfittr curetttidtf unbalance protection’s unbalance rate and time,and harmonicsInfluence factor.
hefllwnratoalfnthlleaytckdstlalealtnetn interalystmparamterthatcaeeyhprgramprgramrtrequireathrizatiaswordieqd
·Programminginterfacefunction
Anntefitliftt measurement'swiring method systemclock, protection characteristic curve, thermal memoryfunction,communication addres communication baud rate,and etc.
·CmicattwrkntnolvailaMtlientonlhonprovidestadardnefa ensuredatatranmisotrodsrofisreviprtlsttheurtrquirentsindifert systems.
·Testfunction
Thetestfunctionofferstwotypes:instantaneoustrippingsimulationtestandnon-trippingsimulationtest:
(nstantaneustrippingilatiotst:stataeustripingtestanberfrmdnthiruitbreakerwiththactit (2) inherentto the circuit breakerto be displayed afterthe action time. (3on-trinlatntestltlatnsturrtorthystn-tringststuretystelaatio (4)underthetestcurrent,andfaultcategoryofthesimulationtestwillbedisplayedinturaferthetestiscompleted.
·Self-diagnosis function Diagnose and alarm whenfaults occurin the controlleritself.
·Faultclockfunction(optional) Reordthu
Historicaldatarecordingfunction(optional)
rdqt Load monitoring protection function
Loadmonitrinistonroldiferentldsoftheiritbreaertenuretpwuplytthemaashasid monitorincaeusefopeananbranhadconrolhntrllraergramettputtwpaivsilcntactfd monitoring.
·MCR ON-OFF and over-limit trip function (optional)
ON-OFFstattweidedftstatorethiiteldetehat uponclinanthnlsthiruitbreaertantaeslythrananlgciruitstiolyrkatthe closing(within 100ms 0
Over-itrthtiriltriull ultmatfthratlilistaaulathiuieerlitt subject to instantaneous settings.
·Communicationprotocol IncludesaninternalModbus-RTU,andcanbetransferredtoProfibus-DPorDeviceNetthroughanexternalmodule.
EXW3 Air Circuit Breaker
FunctionsandFeatures
Secondarycircuitwiringdiagram
1)Dottedlinesinicatewiringsmadeyusersthemseleswiringisneededwhenrelevantptionalaccessoryitordere; ）eatlrilinler electromagnet,and motoroperator,whentheirvoltages are different;
3hnevltareldiretltdttniittratntatxcintr operatintathratiltaofthirittratiltatrafa the rated operating voltage.
4)Thecassettethree-positionindicationfunctionisonlyoptionalforwithdrawablecircuit breakers;
5ithltdlt controller1#,2#.
EXW3 Air Circuit Breaker FunctionsandFeatures
| Terminal No. | Function description | Remark |
| 1、2 | Auxiliary powerinput:AC220V、AC380V、DC220V、DC110V | |
| 3、4、5 | Fault trip auxiliary contact, contact capacity:AC250V、3A | |
| 6、7 | Circuit breaker status auxiliary contact (NC),contact capacity: AC250oV、3A | |
| 8、9 | Circuit breaker status auxiliary contact(NO),contact capacity:AC250V、3A | |
| 20 | Grounding (PE) | |
| 21、22、23、24 | Voltage signal measurement: 21 to N,22 to A,23 to B, 24 to C | Optional function |
| 25、26 | External transformerinput(residual current transformer,neutral transformer,ground current transformer) | Optional function |
| 27、28 | Under-voltage release | and accessory Optional accessory |
| 29、30 | Shunt release | |
| 31、32 | Closing electromagnet | |
| 33、34、35 | Motor operator | |
| 36~. Dfl auxiliaryswitchterminal | ||
| Terminal No. | Function description | Remark |
| 1、2 | Auxiliary powerinput:AC220V、AC380V、DC220V、DC110V | |
| 3、4、5 | Fault trip auxiliary contact,contact capacity:AC25ov、3A | |
| 6、7 | Circuit breaker status auxiliary contact(NC),contact capacity:AC250V、3A | |
| 8、9 | Circuit breaker status auxiliary contact(NO),contact capacity:AC250V、3A | |
| 10、11 | Communication interface output,10 to A,11 connected toB | By default:Modbus |
| 12~19 | Signal input and output, 12 and 13 are D01; 14, 15 are D02;16, 17 are D03; 18, 19 are D04 | Perfunctionrequirements |
| 20 | Grounding (PE) | |
| 21、22、23、24 | Voltage signal measurement: 21 to N, 22 to A, 23 to B, 24 to C | |
| 25、26 | Eternal ransformeringutresidualcurentransfrme neutratransformere e | ortioafuncton |
| 27、28 | Under-voltage release | Optional accessory |
| 29、30 | Shunt release | |
| 31、32 | Closing electromagnet | |
| 33、34、35 | Motoroperator | |
| 36~.. | DF1 auxiliary switch terminal |
EXW3 Air Circuit Breaker FunctionsandFeatures
Secondary circuit wiring diagramof Mic1.0 and Mic2.0intelligent controllers
| Legend | Description | Remark | Legend | Description | Remark |
| EXW3 | EXW3series air circuit breaker | PE | Ground wire | ||
| S1~S7 | Signal lamp | Supplied | L(+)、N(-) | (DCLoti) | |
| TA | Current transformer | A、B、C、N | Main circuit phase line | ||
| SAL | Micro switch | DF1 | Auxiliary switch | optional | |
| SB1 | Openingbutton | Suplied | DF2 | Casteiatsitosetetrical | actionay |
| SB2 | Closing button | Suyplied | STpower | Provide 24V DC power supply | actiosnay |
| X | Closingelectromagnet | ST201 | Relay | actisna | |
| F | Shuntrelease | cornoteccer | Excetoeo | acptisnay | |
| Q | Under-voltage release | actisnay | |||
| M | Motor operator | ||||
| SA | Motor operatortravel switch |
EXW3 Air Circuit Breaker FunctionsandFeatures
Installationandwiring
EXW3-1600fixed type outlinesandmountingdimensions
EXW3 Air Circuit Breaker FunctionsandFeatures
EXW3-1600withdrawabletypeoutlinesandmountingdimensions (selectonetypefromeitherinternalorexternalmountingdimensions)
EXW3 Air Circuit Breaker Functions and Features
| In (A) | a(mm) |
| ≤1250 | 10 |
| 1600 | 15 |
| 2000 | 20 |
| 2500 | 20 |
EXW3 Air Circuit Breaker FunctionsandFeatures
EXW3-2000/2500withdrawable typeoutlines and mounting dimensions
EXW3 Air Circuit Breaker Functions and Features
EXW3-3200/4000fixed typeoutlines and mounting dimensions
| In (A) | a(mm) |
| 2000、2500 | 20 |
| 3200、4000 | 30 |
EXW3 Air Circuit Breaker FunctionsandFeatures
EXW3-3200/4000withdrawabletypeoutlinesandmounting dimensions
| In (A) | a(mm) |
| 2000、2500 | 20 |
| 3200、4000 | 30 |
EXW3 Air Circuit Breaker Functions and Features
| In (A) | a(mm) |
| 4000、5000 | 20 |
| 6300 | 30 |
Note:For Phase A、B and C,two wirings in the same phase areto be madeby users themselves
EXW3 Air Circuit Breaker FunctionsandFeatures
EXW3-6300withdrawabletypeoutlinesandmountingdimensions (selectonetypefromeitherinternalorexternalmountingdimensions)
| In(A) | a(mm) |
| 4000、5000 | 20 |
| 6300 | 30 |
EXW3 Air Circuit Breaker
Functions and Features
Dual-powerautomatictransferswitch
Thdafr transfernlradatrlockuitalwhaefourwirepriwitfq and the rated workingvoltage of40ov.To orderanATS,notethe following:
altisecddthattheatinlhldturharatltvidwiinerass circuitbreakersanddual-powercontrollers.Thecontrollershouldbe orderedtogetherwiththebreaker.
b.Amechanicalinterlockmust be ordered atthe same time.
c.Thelengthfthededicatecablforthedual-pwerautmaticcontrollerisManthelengthetweewircuitbreaker
d.Keylocksareforbiddenforuseoncircuitbreakersequippedwithdualpowersupplyautomaticcontrollers
e.Thecontrolpowervoltageoftheshuntreleaseandclosingelectromagnetofthecircuit breakercanonlybe220VAC.
f.Doorinterlockinginon-offstateshould notbeequippedforcircuit breakerswithdual-powerautomaticcontrollers.
gheremtlnllicteakeatoflinndoenntiowhenthreakeithaweraatnl quipped with H-type intelligent controller.
h.Communicationfunction,firecontrolfunction,andgeneratorfunctionareoptional.
1.Under-voltagereleaseshouldnotbeequippedforcircuitbreakerswithdualpowerautomaticcontrollers.
EXW3 Air Circuit Breaker
Functions andFeatures
Dual powersupply controller operation and wiring diagram
| Name | Auto | Manual |
| Auto/Manual | Auto mode selection key | Manual mode election key |
| OFF/ESC | Disconnect | Exit |
| N/+ | Common | +(up) |
| R/- | Spare | -(down) |
| L | Confirm (Select) | |
| Reset | Controllerreset | |
| Name | Meaning | Remark |
| N(up) | on:common voltageis abnormal | |
| off:common voltageis normal | ||
| R(up) | on:the spare voltage is abnormal | |
| off: the spare voltage is normal | ||
| N(down) | on:ATSis working in common power | Both N and R are off: ATS is in OFF |
| off: ATS is not working in common power | ||
| R(down) | on:ATS is working in spare power | position |
| off: ATS is not working in spare power |
OutlineandinstallationdimensionsoftheATScontroller
| Name | Meaning |
| Run | Flashing: controller is working |
| Always on oroff:controllerisinfault state | |
| Alarm | On:ATS has alarm message |
| OFF:no alarm message | |
| Auto | On:ATS worksin Auto mode |
| OFF:ATS works in manual mode | |
| Fire | Fire signal indicator |
Notes:
1.tensurethlatfanpreeatrlnprtdtquipwior mehaiclevieehtqipthetleistnl work.
2thewithinqyfthnhudnttfastanthalhaleteurehatheaul storedotherwisethecontrollerwillreportanerror.
3.before powering onthe ATS controller,thetwobreakers should be manually stored.
EXW3 Air Circuit Breaker Functions and Features
Dual-powercontrollerwiringdiagram
Dual-powercontrollerwiringterminaldescription
| Terminal No. | Description | CBterminalNo.connected | Remark |
| 1 ~ 4 | Connected to the main circuit,1 to UA,2 to UB, 3 to UC, 4 to UN | Connected tomain circuit incomingsidebyuser | |
| 5 | Control power output(L) | 1、33 | AC230V |
| 6 | Control power output (N) | 2、30、32、34 | |
| 7 | SignaloutputDo3orDO1,connected toclosing electromagnet | 31. | |
| 8 | Signal outputDO4orDO2,connected to shunt release | 29 | |
| 9 | Reserved | ||
| 10 | Signal input DI3 or Dl1, | 8 | |
| 11 | Signal input Dl4 or DI2, | 4 | |
| 12 | Signal input DIV-, | 5、9 |
EXW3 Air Circuit Breaker
FunctionsandFeatures
Operationandwiringdiagramofdualpowerbuscouplercontroller
Dual power bus tie controllerinterface
Double power bus tie controller button
Manualoperationbutton
Controllerstatusdisplay
Setting 1234---Setting 1:User primary setting;Setting 2:User advancedsetting;Setting 3,4:Factory setting;
I, Il---I: display the parameters of the I road;Il: display the parameters of the Il road;
ABC---A:display A phase parameters;B:display B phase parameters; C:display C phase parameters;
Power generation---display“generation”after starting the generator,flashing“generation”when the generator is stopped after a delay;
SVHz---display parameterunits,respectively:seconds,volts,hertz; 8888---digital tube，small digital tube display setting items,large digital tube display parameters;
Automatic---The controllerisin automatic workingmode;
Manual---The controller is in manual mode; Self-recovery---The controllerisinself-input andselfrecoverymode;
Mutualbackup---The controller is in the mode ofself-input and non-self-recovery;
IRoad---I Road is commonly used;
I Road---lI Road iscommonly used;
Net/Net---Thecontrolleris applicable to the gridstructure: grid-grid;
Grid/Generation---The controller is suitable for gridstructure: grid-generator;
Alarm --- prompt alarm;
Fire Fighting ---There is a fire fighting signal input.
Dutlineandinstallationdimensionsofdualpowerbuscouplercontroller
EXW3 Air Circuit Breaker
Functions and Features
Dual-powerautomatictransferswitch
Thdua-fd traserlcsiaf rated working voltage of400v.To orderanATS,note the following:
altisremededthathdal-pweramationtllhouldntbeprchasedeparatlytvidwirinerrorsfrmcasin
b.damagestocircuit breakersanddual-powercontrollersThecontrollershouldbeorderedtogetherwiththebreaker.
b.A mechanical interlock must be ordered at the same time.
chelengthofthdicatdcableforthua-pwerautmaticontrriManthngthteentcircuit brees
d.Keylocksareforbiddenforuseoncircuit breakersequippedwithdualpowersupplyautomaticcontrollers
Thecontrolpowervoltageoftheshuntreleaseandclosingelectromagnetofthecircuit breakercanonlybe220VAC
f.Doorinterlocking inon-offstateshould notbeequippedforcircuit breakers withdual-powerautomaticcontrollers.
gheremtlntldciruireantfingadonnfutohthereakehdleratint equipped with H-type intelligent controller.
h.Communication function,fire control function,and generatorfunction are optional.
I.Under-voltagerelease should notbe equipped forcircuit breakerswithdualpowerautomaticcontrollers.
EXW3 Air Circuit Breaker FunctionsandFeatures
Dual-powerbustiecontrollerwiringdiagram
EXW3 Air Circuit Breaker Functions and Features
Accessories
2000A and above frame size shuntrelease
·Closing electromagnetic
The closing electromagnet offersremote controlto close thecircuit breaker quickly,afterthe circuit breaker is fully charged and back in normally open state.
| Operating voltage Us | AC230V | AC400V | DC220V | DC110V |
| Operating voltage range | (85~110)%Us | |||
| Starting current | 1.3A | 0.7A | 1.3A | 2.5A |
| Circitbreaker | =60ms | |||
2000A and above frame size closingelectromagnet
·Shuntrelease
Theshuntreleaseoffersremotecontroltoopenthecircuitbreakerquicklywhenthecircuitbreakerisin closed state.
| Operating voltage Us | AC230V | AC400V | DC220V | DC110V |
| Operating voltage range | (70~110)%Us | |||
| Starting current | 1.3A | 0.7A | 1.3A | 2.5A |
| Circuitbeaker | =30ms | |||
2000A and above frame size under-voltage release
.Under-voltagerelease
When theundervoltagereleaseisnot powered on,thecircuit breakercannotbeclosed;theundervoltage release of 2500A and above frame size offertwo types:absorbing-assisted(without delay function）and self-absorbing;
| Operating voltage Us | AC230V | AC400V |
| Opening voltage range | (35~70)%Ue | |
| Reliable lansng | (85~110)%Ue | |
| No closing voltage range | =35%Ue | |
| Powerloss | 20VA | |
| Delay tripping time | Instantaneous,0.s,1s,3s,s | |
Note1:Within1/2delaytrippingtime,thecircuitbreakerwillnotopen whentheoperatingvoltageis restoredtoabove 85% Ue;
Note2:Inareas withfrequentthunderandlightning,andat powergridswithunstable powersupply voltage,itisrecommendedtouse anunder-voltagereleasewith delayfunctiontopreventthe circuit breakerfrom being opened dueto short-time voltage drop; Note3:Themaximum delaytime forunder-voltage delaytrippingtimeis10s,and upto 5sfor maximum zero-voltage delaytrippingtime(Consultthemanufactureruponordering).
·Inter-phase partition
Theinter-phase partitionismounted verticallybetween wiringbusbarsateachphase ofthecircuit breaker,toincreaseinter-phaseinsulationcapacity
EXW3 Air Circuit Breaker Functions and Features
and aba0e@Aame size charging motor
· Charging motor
Motor charging canbe achievedforthe circuit breaker with automatic recharging afterthe breakeris closed, to enable the breaker to perform closing operation again immediately after opened.
| Operating voltage Us | AC230V | AC400V | DC220V | |
| DC110V | ||||
| Operatingvoltagerange | (85~110)%Us | |||
| Charging time | =7s(Cycle time:=once/min) | |||
| EXW3-1600 power loss | 75VA | 75VA | ||
| EXW3-2000 power loss | 85VA | 85VA | ||
| EXW3-4000 power loss | 110VA | 110VA | ||
| EXW3-6300 power loss | 150VA | 150VA | ||
2000A and above frame size auxiliary switch
Note:Manual charging operation can alsobe performed during circuit breaker maintenance
·Auxiliaryswitch
Default type: Changeover 4NOs/4NCs Othertypes:Independent 4NOs/4NCs,changeover6NOs/6NCs,independent 6NOs/6NCs
| Rated operatingvoltage | AC230V | AC400V | DC220V | DC110V |
| Conventionalthermalcurrent | 6A | |||
| Rated control capacity | 300VA | 60VA | ||
·Keylock
Circuit breakerunlockingoperation:
The keycanbeinserted into thelockwhenthe gaponthekeycorrespondstothered dot ofthelock. Turn thekey clockwise to the rightmost position,that is,to-unlock state.At this point,the key cannot be pulled outdirectly,and the circuit breakercanbeclosed.
Circuit breakerlocking operation:
First, press the breaker’sopening button,and then turn the key counterclockwise to the leftmost positiontoremovethekey.Atthis point,thecircuitbreakercannotbe closed.
| circuit diagram possible operating | |
| mode | |
| 8 | QF |
| QF | 0 |
| 1 | |
Note1:Thefollowing exampleabout powersupply modesisforreference only.Interlockingdevices can be mounted according to the actual power supply system needs on site. Or consult the manufacturer.
·Onelockand one key
Acircuit breakerisequipped withalock andakey.Inthelockedstate,itisnotallowed toclosethe circuit breaker.
Note1:QFforHYW3 circuit breakers;0forcircuit breakeropening;1forcircuit breakerclosing
EXW3 Air Circuit Breaker
FunctionsandFeatures
1:Withdrawablecircuitbreaker
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-st”psimitditdanratbthlaailtiritt necessary operatingtest can be performed.
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ThewitdrawableircuitreakeisequipwithchanicalntrlckinevicadcanledonlConetpsitonrth position.Itcannotbe closed betweenthe “Connect”and “Test”positions
2:Interlockingmechanism
Theinterlocking mechanism is mounted ontheright-side panelofthe circuit breaker.
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EXW3 Air Circuit Breaker Functions and Features
| Accessory | ||||||||||
| Company: | Contact person: Contact number: | Order QTY: (units) EXW3-3200 | Order date : EXW3-4000 EXW3-6300 | |||||||
| Product model | EXW3-1600 | EXW3-2000 EXW3-2500 | ||||||||
| N | N 200400630□6308001000 | N | 2000 | N 2500 | N 4000 | N 4000 5000 | ||||
| Rated current | 口1250 □3P | 口160 □4P | 125016002000 | 2500 | 3200 | 6300 | ||||
| Number of | ||||||||||
| Mounting | Fixed type Withdrawable type | |||||||||
| Breaking | N:basic type H:high breaking type | |||||||||
| Intelligent controller selection | Type Rated voltage | |||||||||
| AC230V AC400V DC220V DC110V DC24V Factory default seting : Ir=1ln , Tr=15s fixed time Isd=8lr,Tsd=0.4s ; inverse time Is=4lr ; | ||||||||||
| li=1 2ln ; Ig=OFF(opening default value Ig=I n, inverse time shearing factor k= OFF, Tg=0.4s } | ||||||||||
| Long delay protection Ir Tr(1.5 Ir)= s(from 15,30,60,to 960) | Ir= In(from 0.4 to 1.0, or OFF) | |||||||||
| Protection Short-circuit short data setting delay protection Isd Fixed time Tsd=_ | Isd= _Irfrom 1.5 to 15, or OFF) | |||||||||
| s(from 0.1 to 0.4) In(from 1.0 to 20, or OFF), max. = 100kA | ||||||||||
| Short-circuit li Ground protection lg | li= Ig= | |||||||||
| In(from 0.2 to 1.0, or OFF) Tg= s(from 0.1 to 1.0) Inverse time shearing factor k=_ | ||||||||||
| Accessory | Optional function | (from 1.5 to 6, or OFF) Voltage measurementFrequency measurement Voltage unbalanceratemeasurementPhase sequence detection PowermeasurementPowerfactormeasurementTemperature control monitoringElectricenergymeasurement Zoneinterlock(ZSl)functionHarmonicmeasurementOver-voltage protectioniUnder-voltageprotection | ||||||||
| VoltageunbalanceprotectionOver-frequencyprotectionUnder-frequencyprotectionPhasesequence protection Reversepower protectionDemand protectionDemand measurement(current,power) Residualoperating current protectionLoad monitoring functionNeutral line protection DI input function DOoutputfunctionCommunicationfunction:Modbusprotocol(Mic5.0standard)Internetofthingsfunction(wifi GPRS) | ||||||||||
| elecroenagnet Shunt release | AC230V AC400V DC220V DC110V | |||||||||
| AC230V AC400V DC220V DC110V | ||||||||||
| Motor charger equipped as | AC230V AC400V DC220V DC110V | |||||||||
| Auxiliary switch | Independent (4NOs/4NCs) Changeover(6NOs/6NCs) Independent (6NOs/6NCs) | |||||||||
| Eeautcheog | Fixed type Withdrawable type | |||||||||
| Self-bsorbing Absorbing-assist (by default) | ||||||||||
| Optional | Uundervotage | AC230V AC400V | ||||||||
| Instantaneous 0.5s 1s3s5s Instantaneous (by default) | ||||||||||
| Key lock | One circuit breaker with one lock and one key | |||||||||
| Two circuit breakers with two locks and one key Three circuit breakers with three locks and two keys Special type (can be customized to user requirements) | ||||||||||
| accessory Dual-power | Mechanic interlocking | Two circuitbreakers Lever interlock (upper and lower interlock) Steel cable interlock | ||||||||
| Three circuit breakers Lever interlock (upper and lower interlock)Steel cable interlock (Remarks: two methods -two closings/one opening or one closing/two openings - are available) | ||||||||||
| Dual power supply controller | Three power supply Two power supply + bus tie | |||||||||
| Others Relay module | (Remarks:withfire control,generatororcommunicationfunctions,please specify) Leakage curren ransformerN-phase current transformer Ground curent ransformer Power adapterDoorinterlock | |||||||||
| Protocol conversion module(Profibus-DP、Device Net ） Cassette electrical three-position lock Charging-ready electrical indication ON/OFF button lock Note 1:Please consult the manufacturer prior to ordering for additional special requirements: | ||||||||||
