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HUW9 ACB PRODUCT CATALOG

HUw9 Air Circuit Breaker

Functions andFeatures

Structuredescription

Circuitbreakerdescription

Thecircuitbreetructuremactndadulacharacteristihontatstemnledtweenwnulatinbalat withparistrtuhatatratenlttlinl mechanisalelrertinhanmararaneinfrfehterfhrtivnentt unit,the whole unit can be removed and replaced (see Fig.6,Fig.7).

Figure1.Operatinginstruction diagram of ExW3series air circuit breaker

HUw9 Air CircuitBreaker

FunctionsandFeatures

Figure 2. Internal diagram of Huw9 series air circuit breaker

Figure 3.Huw9 series aircircuitbreakercassette

HUW9 AirCircuitBreaker

Functions andFeatures

Productdescription

Features

6FrameSize:1600,2000,2500,3200,4000,6300AF Rated current In (A):630-6300 Rated voltage AC Ue (V): Up to 690V Poles:3、4 3type of intelligent controllers With“fourremote"functions

Normal operating conditions

1、Applicable temperature:
1.1Ambienttemperature is-5°C\~+40°C(certification);
1.2the average value of24hisno more than 35°℃.
Note:
(1) when the temperature is more -10°\mathsf{C} or -25°C_{1} it should be noted;
(2) when the temperature is more than40°Corlessthan -25°C, itshould be noted;
2、Altitude: ≤2,000m athe mounting site;
3、Atmosphericconditions:
-Air relative humidity: <=slant50% at themaximumtemperatureof+40°C,andahigherrelative
humidity is allowed when at a lowertemperature;
-Forexample, at20°C,the humidityis 90% and special measures should be taken for
occasionalcondensationduetotemperaturechange;
4、Pollution level: Level3;
5、 Mountingcategory:
Circuitbreakermaincircuitandndervltagetripcoilpowertransformerprmarycoilarelevelauxiiaryiruit and controlcircuitislevelll
6.Utilization category:B
7、Installtioncondition:Installationpositionshallbevertical inclinationofeachdirectionshallnotmorethan

Classifications

1.By mounting method:Fixed type and withdrawable type
2.By operating mode: Motor operating and manual operating (for maintenance and repair)
3.By the number of poles:3P and 4P
4.By release type:Intelligent controller,under-voltage instantaneous(ortime delay)release, and shunt release
5.By intelligent over-current controller function: Mic5.0 (intelligent type),， Mic2.0 (multifunction type); Mic1.0 (standard type).

HUW9 AirCircuitBreaker

Functions andFeatures

Technical data

Table 2

Frame size(Ilnm)		HUW9-1600		HUW9-2000		HUW9-2500
Rated operating In(A)		200、400、630、 800、1000、1250、1600		630、800、1000、1250、1600、2000		2500
Neutral pole rated rurrent In(A)		100%ln		100%ln		100%ln
Rated operated voltage Ue(V)				AC400、AC690
Rated frequency (Hz)		50/60Hz
Number of poles		3P/4P
Rated impulse withstand voltage Uimp(kv)		AC12
Rated insulation Voltage Ui(V)		AC1000
Power frequency withstand voltage(V)				AC3500
Rated short-circuit breaking capacity lcu (kA)	AC400V	50		85		85
	AC690V	35		50		50
Operating short-circuit breaking capacity Ics(kA)	AC400V AC690V	42		65		65
		35		50		50
Rated short-time withstand current Icw/1s (kA) Rated short-circit making capacity Icm (kA)	AC400V AC690V	42		65		65
	AC400V	35		187 50		187
	AC690V	110 73.5		110		50
Utilization category				B		110
Breaking time
Marking time		≤30ms ≤70ms
Service life (times) AC400VElectrical life		5000 4500 4000
≤25001time/3min without maintenance >2500 1time/6min		10000		10000		8000
with maintenance		20000		20000		20000
Drawerseat mechanica life 1 time/2min		1000		1000		1000
Incomming methed		Top or bottom enter
Flashover distance(mm)		0
Installation methed		Fixed type	Draw-out type	Fixed type	Draw-out type	Fixed type	Draw-out type
External dimensions(mm) a C		a	339(4P)/269 (3P)	372(4P)/302 (3P)	457(4P)/362 (3P)	500(4P)/405 (3P)	457(4P)/362 (3P)	500(4P)/405 (3P)
		b	327	357	402	432	402	432

		C 235.5		337	338	457	338	457

HUW9Air Circuit Breaker

Functions andFeatures

Table 2

Frame size(Inm)		HUW9-3200		HUW9-4000		HUW9-6300
Rated operating In(A)		2000、2500、3200		4000		4000、5000、6300
Neutral pole rated rurrent In(A)		100%ln		100%ln		50%ln
Rated operated voltage Ue(V)		AC400、AC690
Rated frequency (Hz)		50/60Hz
Number of poles		3P/4P
Rated impulse withstand voltage Uimp(kv)		AC12
Rated insulation Voltage Ui(v)		AC1000
Power frequency withstand voltage(V)				AC3500
Rated short-circuit breaking capacity lcu (kA)	AC400V	85		85		120
	AC690V	65		65		85
	AC400V	70		70		100
Operating short-circuit breaking capacity lcs(kA) Rated short-timewithstand current lcw/1s (kA)	AC690V	65		65		85
	AC400V	70		70		100
	AC690V	187		187		264
Rated short-ircit making	AC400V	65		65		85
capacity Icm (kA)		143		143		187
AC690V Utilization category		B
Breaking time		≤30ms
Marking time		≤70ms
Servicelife(times) ≤2500 1time/3min	AC400VElectrical life withoutmaintenance		4000 8000		8000		2000
>2500 1time/6min	with maintenance		15000	15000		5000
Drawerseat mechanicalife 1time/2min		600		600		8000
Incomming methed				Top or bottom enter		300
Flashover distance(mm)
		0
Installation methed External dimensions(mm) a C			Fixed type	Draw-out type	Fixed type	Draw-out type	Draw-out type
		a	537(4P)/422 (3P)	579(4P)/464 (3P)	537(4P)/422 (3P)	579(4P)/464 (3P)	927(4P)/927 (3P)
	b	402	432	402	432	432
	C	338	493	338	493	497

Controllerpanelstructure

Table3

Controlle function			2M	3M	Tabies 3H
Overload protection
Short-circuitprotectionwithshortdelay

Short-circuit protection instantaneous Ground protection
chooseeither		Differentia type Ground currentype	口	口	口
Earth leakage protection(choose eithergrounding protection or Earth leakage protection)			二	口	口
	Overload warning		二	口	口
	Current unbalance protection/Phase loss protection		口	口	口
	Current demand value protection		二	口	口
	Over-voltage protection		二	口	口
	Under-voltage protection			口	口
	Voltage unbalance protection		二	口	口
	Over-frequency protection			二	口口
	Under-frequency protection		二	口	口
	Phase sequence protection		二	口	口
	Reverse power protection		二	口	口
	Over-temperature protection and alarm		二	口	口
	Standard Thermal memory protection functions			■
Load monitoring			二	口
Zone interlock (ZSI) function			二	口	口
MCR protection			口	口	口
HSISC protection			口	口	口
Remotereset			二	口	口
Current measurement					口
Voltage measurement			二	口
Powermeasurement			二	口
Power factor measurement			二	口	口
Frequency measurement				口	口
Energy measurement			二	二	口
Harmonic measurement				二	口
Thermal capacity measurement			二	口	口
Phase sequence measurement			二	口	口
Demand measurement (current)			二	口	口口
Demand measurement (power)			二	口	口
Contact wearequivalent measurement			二
Measurement function	Temperaturemeasurement		二	口	口
	LED fault status display	■
	Fault recording and query
	Historical current peak record			口	口
	Alarm history record query		二	口	口
	Fault trip signal output
	Self-diagnosis function Simulated trip test function
	Numberof operationsquery
	Clock function	二		口	口
	1/O setting function		二二	口	口
Othercptinal				口	口
		二口			口

Contact output	Programmable contact output			口	口
	Auxiliary contact output
	Alarm signal output	■			■
Communicationfunction	Based on RS485, standard Modbus protocol other protocols can be customized	二		二

HUW9AirCircuitBreaker

Functionsand Features

2M: Digital display

HUW9 Air CircuitBreaker

Functions andFeatures

3Mtype(LCD display) 3H type (communication)

Note:Due torapid upgrade of intelligent controllers,the actual controllertypeshall prevail,not limited to the above-mentioned controllertypes.Relevant functions can be tailor-made to your

HUW9AirCircuitBreaker

Functions andFeatures

2、Intelligentovercurrentcontrollerprotectioncharacteristics andfunctions 2.1 The protection characteristics of the intelligent controller are shown in Fig.1to Fig.4. Figure 1, Basic functions(long time delay short time delay and transient protection)

Figure 3. Load monitoring and control(1 load limiting and 1 load coincidence protection characteristics)

Figure 2.Ground fault protection

Figure 4.Load monitoring and control(protection characteristics with double load limiting)

3.1.1Currentsettingvaluelrofthetripcoil and tolerance
Table 4

Long delay		Short delay		Instantaneous		Ground fault
Ir	Tolerance	Isd	Tolerance	li	Tolerance	Ig	Tolerance
(0.4~1)In	±10%	(0.4~15)In	±10%	1.0ln~75kA	±15%	(0.2~1.0)In	±10%

注：当同时具有三段保护时，整定值不能交叉，且lr

HUW9 AirCircuitBreaker

Functions andFeatures

Function description

·Majorprtetionfuntionscntrolsfuctinresettrequrementsfctrydliveraecontactsfrreetin） Includeslngdelayve-ladprtectinhort-circuithort-tmefixedtmeandinveretimprtctionhor-t stantanottiuiidurfitnettetarottiurntl protection due to phase loss,and load inverse time monitoring.

·Measurementand operation monitoring

eltq fratitastasttistatrtsta

·Query function

peratioqttqrdqiatq powergrid measurement parameterquery

·Parametersetting function

Thefollownrttaraetlnthrlleaeenltturt circuitshrdlarottiertmcurrentandfixetmcurentandtetantaeusprotetiurend monitorinurrtnthaeprttiotinroinreiduurtprttiuretadanie coefficient,currentunbalance protection’sunbalancerateand time,and harmonicsInfluencefactor.

Thfolowngeratioaaefomonthecotrlleaneystemckadstntlalaafeltee linteratrthatargraratqriatadisqd

·Programminginterfacefunction

Anintefattralifuitft measuremtwinthdsytemckprttiohaactristiccuehmmrytimncati communicationbaudrate,andetc.

Commuicatwrftiolalafinelintrllnlrovidstadarinte ensuresdatatranisnthruMdurProfiusrDevceetprtocolstmethefourmterquiremetsindifere monitoring systems.

·Testfunction

Thetestfunctionofferstwotypes:instantaneoustrippingsimulationtest andnon-trippingsimulationtest:

(stantaneustrippinmlatiotettantaneustrippingestcanerfdnthircuitbreakiththeactin (2)inherenttothecircuit breakertobedisplayed afterthe actiontime.

(3)Nn-trilatotltsilaiotetefothsttrgtsturtstlat (4)underthetestcurrent,andfaultcategoryofthesimulationtestwillediplayedinturafterthtestiscomleed

·Self-diagnosisfunction

Diagnose and alarm whenfaults occurinthe controlleritself.

·Fault clockfunction (optional)

Recordtthuithdtwhthfauwi records.

·Historical data recordingfunction(optional)

erdq Load monitoring protectionfunction

Ladmonitorinistontroldiffrentldsofthecircuitbreakertnurethewerupplytthemaladsmuhaspoid monitorincaeusdfrprelamngandbrachldconrolhecontrolraneprgramdtptwaiialtat for load monitoring.

·MCR ON-OFF and over-limit trip function (optional)

ON-OFFsthattweridisredfaltstatfrethirreduratthatl generatedulinandthecontrolestheircuitbreakeitataeusthhananlgcircuithistonlwrk the momentofclosing (within 100ms).

Over-itriiathatwtuierlatiothrtcuitrteenluuallt ultmaturefthiritattlwillinaaleatbearnanlrt not subject to instantaneous settings.

·Communicationprotocol IncludesaninternalModbus-RTU,andcanbetransferredtoProfibus-DPorDeviceNetthroughanexternalmodule.

HUW9 Air Circuit Breaker

Functions andFeatures

Installationandwiring

Outline and mounting dimensions of HuW9-1600 fixed type circuit breakers

In (A)	a(mm)
≤1000	10
≥1250	15

HUW9 AirCircuitBreaker

Functions andFeatures

Outline and mounting dimensions of Huw9-1600draw-outtype circuit breakers (choose either inner oroutermounting dimensionsfor fastening

In (A)	a(mm)
≤1000	10
≥1250	15

HUW9 Air Circuit Breaker

Functions andFeatures

Outline and mounting dimensions of HuW9-2000 and HUW9-2500 fixed type circuit breaker

$1\mathsf{n m}=2000\mathsf{A} Horizontal wiring and mounting dimensions$

1\mathsf{n m}=2000\mathsf{A} Horizontal wiring and mounting dimensions

1\mathsf{n m}=2000\mathsf{A} Extendedbusbar 11\mathsf{m}=2500\mathsf{A} Horizontalconnectiondimensions

Cabinet door cutout dimensions for HUW9-1600 fixed type

In (A)	a(mm)
630、800	10
1000、1250、1600	15
2000、2500	20

HUW9 AirCircuitBreaker

Functions andFeatures

Outline and mounting dimensions of HUW9-2000 and HUW9-2500 draw-out type circuit breakers (chooseeitherinneroroutermounting dimensionsforfastening)

K directionHorizontal wiring andmounting dimensions

Cabinet door cutout dimensions for HUW9-1600 draw-out type

Horizontal wiringand mountingdimensions

Inm=20ooAHorizontal connectiondimensions

Inm=20ooAExtendedbusbarHorizontal connectiondimensions

Inm=2500AHorizontal connection dimensions

In (A)	a(mm)
630、800	10
1000、1250、1600	15
2000、2500	20

HUW9 Air Circuit Breaker

Functions andFeatures

Cabinet door cutout dimensionsforHuW9-1600fixed type

HUW9 AirCircuitBreaker

Functions andFeatures

Outline and mounting dimensions of Uw9320 and UW9400 raw-outtype circuit breakers (choose either inner or outer mounting dimensions for fastening)

K direction Horizontal wiring and mounting dimensions

Inside the cabinet door

Horizontal wiring and mounting dimensions

11171=3200A Horizontal connectiondimensions

1n m=3200 ExtendedbusbarHorizontal connectiondimensions

Inm=40ooAHorizontalconnectiondimensions

Cabinet doorcutout dimensions for Huw9-1600 draw-out type

In (A)	a(mm)
2000、2500	20
3200、4000	30

HUW9AirCircuitBreaker

Functions andFeatures

Outline and mounting dimensions of HuW9-6300 withdrawabletypecircuit breakers (choose either inner or outer mounting dimensions for fastening)

Horizontalconnectiondimensions

3P Horizontal wiring and mounting dimensions

In(A)	a(mm)
4000、5000	20
6300	30

HUW9AirCircuitBreaker

Functions andFeatures

Secondarycircuitwiringdiagram

hewitdhdhllriaretrerestzati cannot be madeforthedashed lines.

2)fthtrl operators,aredifferent,differentpowersourcesshould beconnectedtothem.

3)Theundervltagerelasisdirectlyconctedtothencmingteminalofthemaincircuit,withthemaxmumworkingvoltagt excedinitrtaWhthrinltanthmiruitshhethattrtatrafo needed to dropthe workingvoltagedownto its rated workingvoltage before putinto use;

)Thecassettethree-positionindicationfunctionisonlyavailableforwithdrawablecircuitbreakers.

WithDCasthewrnerofthtlientntrolleistoecthpwedleptinaladthncnecthtie ontroller #1 and #2.

HUw9AirCircuitBreaker

Functions andFeatures

Secondary circuit wiring diagram terminalfunctions of 2Mand 3Mintelligent controllers

Terminal No.	Function description	Note
1、2	Auxiliarypowerinput:AC230V,AC400V,DC220V,DC110V
3、 4、 5	Fault tripping auxiliarycontact and contactcapacity:AC25ov,3A
6、7	Circuit breakerstatusauxiliary contact(NC)and contactcapacity:AC250V,3A
8、9	Circuit breakerstatus auxiliary contact(NO)and contact capacity:AC250V,3A
20	Ground (PE)
21、22、23、24	Voltage signal measurement:21toN,22toA,23toB,24toC	Optional function
25、26	Externaltransformerinputterminal (earth leakage transformer,neutral line transformer,ground current transformer)	Optional function and accessory
27、28	Undervoltagerelease	Optional accessory
29、30	Shunt release
31、32	Closingelectromagnet
33、34、35	Motoroperator
36～..	DF1 auxiliary switch wiring terminal

Secondary circuit wiring diagramterminalfunctionsof Mic5.0intelligent controllers

Terminal No.	Function description	Note
1、2	Auxiliary powerinput:AC230V,AC400V,DC220V,DC110V
3、4、5	Fault trip auxiliary contact and contact capacity:AC250V,3A
6、7	Circuitbreakerstatus auxiliary contact(NC)and contactcapacity:AC250V,3A
8、9	Circuit breakerstatus auxiliarycontact(NO)andcontactcapacity:AC250V,3A
10、11	Communicationinterfaceoutput,10 connected toA,11connectedtoB	Modbusprotocolbydefault
12~19	Signalinput and output, 12 and 13 are D01; 14, 15 are D02; 16, 17 are D03; 18, 19 are D04	Set tofunctional requirements
20	Ground (PE)
21、22、23、 24	Voltage signal measurement:21toN,22toA,23toB,24to
25、26	Extemaltransfomerinput(earthleakagetransfomer,neutralinetransformer,groundcurent transfommer)
27、28	Undervoltage release
29、30	Shunt release	Optional accessory
31、32	Closing electromagnet
33、34、35	Motoroperator
36~..	DF1auxiliary switchwiringtemminal

HUW9 Air CircuitBreaker

Functions andFeatures

Wiring diagram symbol description

Symbol	C	Note	Symbol	Description	Note
HUW9	HUW9series universal circuit breaker		PE	Ground wire
S1~S7	Signal light	User-supplied	L(+),N(-)	Control power supply
TA	Currentransformer		A, B, C,N	(For DC,Lis positive and N is negative) Main circuit’ sphase line
SAL	Micro switch		Df1	Auxiliary switch	Type can be selected
SB1	Opening button	User-supplied	DF2	Cassettethree-position	Optional accessory
SB2	Closing button	User-supplied	ST powermodule	electricalindicationswitch DC24V power supply is available	Optional accessory
X	Closing electromagnet		St201	Relaymodule	Optional accessory
F	Shunt release	Optional accessory Protocol converter		Exceptthe Modbus protocol,	Optional accessory
Q	Undervoltagerelease			other protocols need to be configured
M	Motoroperator
SA	Motoroperator’s limit switch

HUW9AirCircuitBreaker Functions andFeatures

HUw9 Air CircuitBreaker

Functions andFeatures

Accessoryfunctionsandfeatures

1600A frame closing electromagnet

2000A frame and above closing electromagnet

1600Aframe shuntrelease

Closing electromagnet

Whenthe circuit breakerisfully charged and in the normalopened state,theclosing electromagnetcanbeusedtoremotelycontrolthequickclosingofthecircuitbreaker

Working voltage Us	AC230	AC400	DC220V	DC110V
Working voltage range	(85~110)%Us
Starting current	1.3A	0.7A	1.3A	2.5A
Circuit breaker response time	≤60ms

2000A frame and above undervoltagerelease

Shuntrelease

Whenthecircuit breakerisinthe closed state,the shuntrelease can be used toremotely controlthequickopeningofthecircuitbreaker

Working voltage Us	AC230	AC400	DC220V	DC110V
Workingvoltage range	(70~110)%Us
Starting current	1.3A	0.7A	1.3A	2.5A
Circuit breakerresponse time	≤30ms

Undervoltagerelease

The circuit breakercannot be closed whentheundervoltage release is not powered;for 2500A frame and above,two types are available forthe undervoltage release:Assisteddrawn(without delayfunction) and self-drawn;

Working voltage Ue	AC230	AC400
Opening voltage range	(35~70)%Ue
Reliable closingvoltage range	(85~110)%Ue
No-closing voltage range	≤35%Ue
Power loss	20VA
Delay tripping time	Instantaneous、0.5s、1s、3s、5s

Note1:Within1/2ofthe delaytripping time,the circuit breakercannotbe opened when the workingvoltagerecoverstomorethan 85% ofUe;
Note 2: In areas prone to lightning and power grids with unstable power supply voltage,it is recommendedtousetheundervoltagerelease withtimedelay,topreventthecircuit breaker from opening due to short time voltage drop;
Note 3: Maximum delay time forthe undervoltage delay tripping time is 10s,and maximum delaytimeforthe zero-voltage delaytrippingtimeis 5s(consult withthemanufacturer upon ordering).

HUW9 Air Circuit Breaker

Functions andFeatures

Inter-phase partition

The inter-phasepartitionisvertically mounted betweenthe wiring busbarsofeach phase of the circuit breaker,to enhance theinsulation capacity ofthe circuit breakerbetween phases

1600A frame charging motor

2000A frame and above charging motor

Charging motor

The charging motorenables the circuit breakerto be charged electrically.Automatic charging operation willbe conducted afterthe circuit breakeris closed, allowingthe circuit breakertobe closed again right afterit is opened.

1600Aframe auxiliaryswitch

2000A frame and above auxiliary switch

Working voltage Us	AC230	AC400	DC220V	DC110V

Working voltage range	(85~110)%Us
Charging time 1600 frame power loss	≤7s (Cyclical period: ≤1 time/min)
2000/2500 frame power loss	75VA 85VA		75W 85W

3200/4000 frame power loss 6300 frame power loss	110VA 150VA		110W 150W

Note:Manual chargingoperationcan also be performed during the maintenance ofthecircuit breaker.

Auxiliary switch

Typeby default:Changeover4NO/4NC Othertypes:Independent4NO/4NC,changeover6NO/6NC,independent6NO/6NC

Rated working voltage	AC230	AC400	DC220V	DC110V
Conventional thermal current	6A
Rated control capacity	300VA		60W

Key lock

Method 1: One power supply and one load Circuit diagramPossible operation mode

Key lock

To unlockthe circuit breaker:The key can be inserted to the lock when the gap on the key matches the red-dot position on the lock.Turn the key clockwise to the rightmost position, which is now in the unlocked state.At thistime,thekeycannot be pulled out directly,and thecircuitbreakercanbe closed;

To lockthecircuit breaker:First presstheopening button ofthecircuit breaker,and then turn thekey counterclockwise totheleftmost positionto remove thekey.Atthistime,the circuit breakercannot be closed.

Note 1:The power supply modes listed below are only forreference.The interlock can be installed accordingto the actual powersupply system needs on site.Orconsult with the manufacturer.Onelock and one key:A circuit breakerisequipped with onelock and one key,and the circuit breakeris not allowed to close wheninthelocked state Note 1:

QF:HuW9 circuit breaker;0:Circuit breakeris opened;1:Circuit breakeris closed

HUw9 AirCircuitBreaker

Functions andFeatures

Circuit diagramPossible operationmode

Method 2: Two power supplies and one load interlock
Method 3:Two power supplies and two load interlocks
Method 4:Three power supplies and one load interlock
Circuit diagramPossible operation mode

Twolocks and onekey:Two circuit breakers are equipped with twoidentical locks andonekey,andonlyonecircuitbreakerisallowedtoclose

Threelocks and twokeys:Three circuit breakers are equippedwiththreeidentical locks and twokeys,and onlya maximum oftwo circuit breakers are allowed to close

Threelocks and one key:Three circuit breakers are equipped with threeidentical locksand onekey,andonly one circuit breakeris allowed to close

Escutcheon ^+ sealing ring

Theescutcheon andsealingringaremounted onthe doorofthepower distribution cabinet wherethecircuit breakerisinstalled,to offerthesealing function and beautiful outlook,and featureIP 40 protectionlevel.

Cassette operatingpadlock

Whenthebasicdeviceofthewithdrawablecircuitbreakerisinthe “Disconnected” position, pull out the clamping board and lock it with a padlock. After locking,the basic device cannot be racked into the “Test” or “Connected” position.(Padlock is supplied by users)

Relaymodule

Input voltage:DC24V

Contactcapacity:10A/AC250V,10A/DC28V.
Arelay moduleis neededforconversionandcontroliftheload capacityislarge when controllingtheopeningand closingofthe circuitbreaker.A 35mm standard rail is used for mounting.

HUW9AirCircuitBreaker

Functions andFeatures

Position-door interlock

Position-doorinterlock

The cabinet doorisforbiddento open whenthewithdrawable circuit breaker’s basic device isin the"Test"or"Connected" position.The cabinet door is allowed to open when the basic device in the"Disconnected"position.

RCD zero-sequence currentTransformer

RCDzero-sequencecurrenttransformer

Anexternalzero-sequencecurrenttransformerisrequiredwhenresidualcurrent typeis used forthe ground protection.The vectorsum ofeach phase currentis used asthe signal sampling method,whichis suitableforprotecting smaller currents.

Mountingpositionschematicdiagramofearthleakageprotectiontransformersindiferent groundingsystems

Mountingposition schematicdiagram of RCD transformerinTTsystems

MountingpositionschematicdiagramofRCD transformerinTN-C-Ssystems <br>Mounting positionschematic diagram of RCD transformerinTN-S systems

HUW9 Air CircuitBreaker

Functions andFeatures

Mechanicalinterlock

Steel cableinterlockingis used fortwo circuit breakers placed sideby side,or connectingrodinterlockingis used fortwo circuit breakers placed in stack.

Steel cable interlocking or connecting rod interlocking of two circuit breakers

Note1:The transition arc at the steel cable interlock bending point is not less than {\mathsf{R120mm}} Note2:Onecircuitbreaercaeremvedfrmthelevr-threnterlockinschm,whichswthever-twonterlockingch;

HUw9 Air Circuit Breaker

Functions andFeatures

Mechanical interlocking cutout positions and dimensions(applicable forcircuit breakers mountingupto down)

Circuitbreakermaintenance

Thepurposesofcircuitbreakermaintenanceareasfollows: ·Monitortheoperatingstatusofthecircuitbreaker,todetermine whetheritisinthenormaloperatingstate; ·Predict and diagnosethe potential faults and mal-functions ofthecircuit breakerand clearthem; ·Beneficialforensuring trouble-free operationofthe circuit breaker during its life cycle.

The circuit breakerneedstobemaintained underthefollowing conditions

·Electricalfaults duetoinsulationfailure causedbyremainingforeignmatterorexcessive dust;
·Operationalfaultsandshortediecausedbyjammedpartsduetolackofmaintenanceonthecircuitbreakersinternalmechanism forlongtime,orlack of regularlubricationtothe rotating and sliding parts;
·Controlcircuitfailure,ncorrectelectricalsignalfedbackorfailedelectricalinterlockingduetopoorcontact;
·Duringlngtmperatinfthecircuitbreakerrelvantmeasurehoulbetakenifthecircuitbreakerisaffctedbyhih tmperatidittatstntifdintfailreei circuit breakerorcause it to malfunction;
·When the circuit breakertripsoran alarm accident occurs.

Whatismaintainedonthecircuitbreaker?

MakesuretenthircuitbreakfreconutinintenaneFrwithdrawalrcuitreaerthbasievicehu racked intotheDisconnected position.Verifythatthe incomingandoutgoingendsandthecontrolcircuitarenotenergized. Checkwhthrthedust,dirt,dwaterletnthircitbreefaneeleitwithdhafst it is necessaryto drythe device;
·Checkwhetherthesecondarywiringterminalsconductorsareingoodcontact,andthecrewsareloosenedoroxidized; ·Checkwhetherthefixingscrewsarelsenedoroxidizedinthemaincircuitofthecircuitbreakerandthesufaceoftheconuctiv copperbarisseverelydiscolored.There should beno discoloration onthe contactsurface;
Checkwitha50Vmeggerandmaesurethatthenulationesistancebetweenthemaincircuitfeachphaseofthecircuitbreke and betweenthedisconnected incomingandoutgoingwiringsofthecircuit breakershould notbelessthan50MQ;
·Manualharineninndlinfthiuitbreakrecaidourmalyanladtofaendtheithrawalty circuit breakerscan beracked in and out normally.
·Conductgularmaintenanceonthecircuitbreakergnceeverymnths),fortimelytroleshotingincasefanyfaults;e andopentheciruibreefivetiforeputtingintperatinafemantnance,tnurethattheircitbrentt system is in good contact

HUW9AirCircuitBreaker

Functions andFeatures

Orderinginstructions

Product mode		HUW9-1600		HUW9-2000	HUW9-2500	HUW9-3200	HUW9-4000	HUW9-6300
Rated current		200400630800 10001250		630 □800 1000 125016002000	2500	20002500 3200	4000	40005000 6300
No. of poles Mounting method	3 P 4 P
Fixed type Withdrawable type
Intelligent centroler	Type		2M (Economy type)）口3M (Ordinary type) 2H (smart type, digital display)					3H (smart type, LCD display )
	Rated voltage		AC230V AC400V DC220V DC110V DC24V
	Protection		Factory default settings:Ir=1ln, Tr=15s;fixed time Isd=8lr, Tsd=0.4s; inverse time Is= 4lr; li=12ln; Ig is OFF{default value Ig=In,inverse time shear coefficient k =OFF,Tg=0.4s}
			Long delay. Ir= In (select a value from 0.4 to1.0, or OFF) protectionlr Tr(1.5lr)=s(select a value from 15,30,60,..,960)
	peramer		short-circueley	Isd= Ir (select a value from 1.5 to 15, or OFF) Fixed time Tsd = s(select a value from 0.1 to 0.4);
			protectionIsd	li= In(select a value from 1.0 to 20,or OFF),with the maximum of 100kA
			Ground protectionlg	Ig= In (select a value from 0.2to 1.0, or OFF) Tg= s (select a value from 0.1 to 1.0) Inverse time shear coefficient k= (select a value from 1.5 to 6,or OFF)
	Optional function		Voltage me surementFrequencymeasurementVoltage unbalance rate measurementPhase sequence detection Power measurementPowerfactormeasurementTemperature control monitoring Electricenergy measurement Zone interlock(ZSI)functionHarmonics measurementOvervoltage protectionUndervoltage protection Voltageunbalance protectionOverfrequencyprotectionUnderfrequencyprotectionPhasesequence protection ReversepowerprotectionDemand protectionDemandmeasurement(current,powerResidualoperatincurrent protectir Load monitoring function Neutral line protection Dl input function DO output function
	Accessories equippedas Charging motor standard	electrosiagnet	Communicationfunction:Modbusprotocol(Mic5.0standardconfiguration）Internetof thingsfunction(wifGPRS)
		Shunt release		AC230V AC400V AC230V AC400V	DC220V DC220V	DC110V DC110V

AC230V Auxiliary switch			AC400V DC220V DC110V Changeover 4NO/4NCIndependent 4NO/4NCChangeover 6NO/6NCIndependent 6NO/6NC Special type
		Eseutcheon,+		)Note:HUW9-1600 device can be equipped with Changeover4NO/4NC or Changeover6NO/6NC)
		Uundervotage	Fixed typeWithdrawable type
			Self-drawn AC230V AC400V					Assisted drawn (by default)
	Optional		Self-drawn 0.5s 1s 3s 5s					Assisted drawn (by default)
	accessories Key lock		One circuit breaker with one lock and one key Three circuit breakers with three locks and twokeys					Two circuit breakers with two locks and one key Special form (customized according to user requirements)
	imtecharkiag		Two circuit breakers Lever interlocking (up-down interlocking) Steel cable interlocking
Dualtpower		Leakage current transformerN-phase current transformerGround current transformerPoweradapter Door interlocking Relay module Protocol conversion module (Profibus-DP, Device Net)

Note1:Please consult with themanufacturerbefore orderingif any specialrequirements tThsttdacrifaadtaduratftii which should be calculated separately. Note 3:A mechanical interlockmust beselected as well whena dual-powercontroller isselected.

HUW9 ACB PRODUCT CATALOG

HUw9 Air Circuit Breaker

Structuredescription

Circuitbreakerdescription

HUw9 Air CircuitBreaker

HUW9 AirCircuitBreaker

Productdescription

Features

Normal operating conditions

Classifications

HUW9 AirCircuitBreaker

Technical data

HUW9Air Circuit Breaker

Controllerpanelstructure

HUW9AirCircuitBreaker

2M: Digital display

HUW9 Air CircuitBreaker

3Mtype(LCD display) 3H type (communication)

HUW9AirCircuitBreaker

HUW9 AirCircuitBreaker

Function description

HUW9 Air Circuit Breaker

Installationandwiring

HUW9 AirCircuitBreaker

HUW9 Air Circuit Breaker

HUW9 AirCircuitBreaker

HUW9 Air Circuit Breaker

HUW9 AirCircuitBreaker

HUW9AirCircuitBreaker

HUW9AirCircuitBreaker

Secondarycircuitwiringdiagram

HUw9AirCircuitBreaker

HUW9 Air CircuitBreaker

HUw9 Air CircuitBreaker

Accessoryfunctionsandfeatures

Closing electromagnet

Shuntrelease

HUW9 Air Circuit Breaker

HUw9 AirCircuitBreaker

HUW9AirCircuitBreaker

RCDzero-sequencecurrenttransformer

HUW9 Air CircuitBreaker

HUw9 Air Circuit Breaker

HUW9AirCircuitBreaker

Orderinginstructions

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