ZN63 VCB
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
Product description
Application range
The HV1-12 indoor highvoltage vacuum circuit breaker serves in the three-phase AC power systemforrated voltage of 12KV and rated frequency of50HZto switch various kinds of loads infrequent operation places and can be used to protect and control electricalequipment in theindustrialand mineralenterprises,power plants and substations aswell.
Product swithmultiplebreaking and fast reclosing capabilities canbe frequently operated. The product is designed tobe the front and rearassembly structure,which canbe used as a fixed installation unit, as well as a separate handcart, with reliableinterlockingfunction.
Standard:GB/T1984、JB/T3855
Model and meaning
Normalworkingconditions
1.Ambient temperature: -15°\mathsf{C} ~+40°{\mathsf C} (allow to Storage and transport in *30°\mathsf C
2.Relative humidity:Daily average <=slant95% Monthlyaverage 90%
aturatedwatervaporpressure:Dailyaverage 2.2x10 -3MPa;Monthly average1.8×10-3MPa
3.Altitude:1000m
4.Earthquake intensity: 8
5. Mounting category
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
Maintechnicalparameter
The main technical parameters of the circuit breaker are shown in Table 1.
Note:
| Name Rated voltage | Unit | Data | |||
| 12 | |||||
| Rated short-time powerfrequencywithstandvoltage(1min) | KV | ||||
| Rated lightningimpulsewithstandvoltage(peak) | 42 75 | ||||
| Rated current | A | 630、1250 | 630、1250 | 2300 12500 13150 | 150、350、 00 |
| Ratedshort-circuit breakingcurrent | KV | 20 | 25 | 31.5 | 40 |
| Ratedshort-circuiton-offcurrent(peak) | 50 | 63 | 80 | 100 | |
| Rated stable current(peak) | 50 | 63 | 80 | 100 | |
| Ratedthermalstablecurrent(effectivevalue) | 20 | 25 | 31.5 | 40 | |
| Ratedshort-circuitcurrentbreakingtimes | 次 | 50 30 | |||
| Rated thermalstabilitytime | S | 4 | |||
| Rated operatingsequence | Split-0.3s-Total score-180s-merge | ||||
| Mechanicallife | 次 | 10000 | |||
| Ratedsinglecapacitorbankbreakingcurrent | A | 630 | |||
| Rated back-to-backcapacitorbankbreakingcurrent | 400 | ||||
The mechanical characteristic parameters of the circuit breaker are shown in Table 2.
| Name | Unit | Data | ||||
| Distancebetween opencontacts | mm | 11±1 | ||||
| Over-travelofthecontact | mm | 3.5±0.5 | ||||
| Three-phase opening,closing diferent period | ms | ≤2 | ||||
| Closing contact bouncetime | ms | ≤2(1600A及以下),≤3(2000A及以上) | ||||
| Average closing speed | m/s | 0.4~0.8 | ||||
| Average opening speed(contactjust divided into6mm) | ||||||
| Closing time (rated operating voltage) | ||||||
| Opening time (rated operating voltage) | 30~70 ms 20~50 | ≤35(2000A) ≤25(2500及以上) | ||||
| Loop DCresistance per phase | ≤50(630A) ≤45(1250~1600A) | |||||
| Rated short-circuit breaking current | 200kA 25kA | 31.5kA | ||||
| Contact pressureofclosingcontact | KA N | 2000±200 | 2200±200 | 3100±200 | 40kA 4500±200 | |
| Phase distance | mm | 210 | 275 | |||
| Movingcontact,fixedcontact allowsthecumulativewearofthethickness | mm | ≤3 | ||||
ZN63 Series indoor high voltage vacuum circuit breaker
FunctionsandFeatures
Energy storage motor
This product usesaermanent magnet single-phaseDCmotor,andequippedwithaspecialeducer;Thespeedchange gea thereduceris sealed intheboxfilled withgrease,and the output speed is 155r/{min} .Thetechnicalparametersofthemotorare shown in Table3
| Rated voltage (v) | Power(W) | Normal operating voltage range(v) | Rated voltage storage time(s) |
| AC/DC220、DC110 | 90 | (85%~110%)Ue | 19 |
Operatingmechanismelectromagnetandreleasetechnicalparameters
| Closing electromagnet | Opening electromagnet | Latching electromagnet | Over-current release | |||||
| Rated voltage (V) | AC/DC220 | DC110 | AC/DC220 | DC110 | AC/DC220 | DC110 | AC/DC220 | DC110 |
| Power(W) | 242 | 242 | 151 | 151 | 3.2 | 3.2 | 1.0 | 1.0 |
| Rated current (A) | 1.1 | 2.2 | 0.7 | 1.3 | 0.029 | 0.029 | 0.009 | 0.009 |
| Normal operating voltage range(Ue) | 85%~110% | 65%~120% | 65%~110% | 85%~110% | ||||
The matchingsizeofthe plumcontact andthefixed contact(providedbytheuser)areshownintable5
| Rated current (A) | 630 | 1250 | 1600 | 2000 | 2500 | 4000 |
| Outsidediameteroffixed contact D2 | Φ35 | Φ49 | Φ55 | Φ79 | Φ109 | Φ109 |
| OutsidediameterofplumcontactD3 | Φ74 | Φ87 | Φ94 | Φ128 | Φ158 | Φ158 |
| Numberofcontact pieces ofthe plum contact(pieces) | 24 | 30 | 36 | 48 | 64 | 82 |
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
Overallandmountingdimension
1、OverallandmountingdimensionofHandcarttype:630-1250A( \mathsf{.650mm} cabinet)
ZN63 Series indoor high voltage vacuum circuit breaker
Functions andFeatures
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
5、Overalland mountingdimensionoffixed type:1600-3150A( *1000\mathsf{mm} cabinet)
| Rated current (A) | 1600 | 2000 | 2500 | 3150 |
| Rated short-circuit breakingcurrent (kA) | 31.5, 40 | |||
ZN63 Series indoor high voltage vacuum circuit breaker
Functions andFeatures
6、Overalland mountingdimensionoffixed type:1600-4000A (1000mm cabinet)
| Ratedcurrent (A) | 1600 | 2000 | 2500 | 3150 | 4000 |
| Ratedshort-circuit breakingcurrent (kA) | 31.5,40 | ||||
| B (mm) | 622 | 676 | |||
7、Overall and mounting dimension of Handcarttype:630-1250A (800mm cabinet)
ZN63 Series indoor high voltage vacuum circuit breaker
FunctionsandFeatures
9、Overallandmountingdimensionofhandcartfixedtype:1600-4000A *1000\mathsf{mm} cabinet)
| Rated current (A) | 1600 | 2000 | 2500 | 3150 | 4000 |
| Rated short-circuit breaking current (kA) | 31.5, 40 | ||||
| A (mm) | 698 | 725 | |||
| B (mm) | 708 | 735 | |||
| C(mm) | 129 | 159 | |||
| E(mm) | 721 | ||||
Note:
1)Whentheratedcurrentismorethan2500A, a radiatorshould be equipped; 2)Whentheratedcurrentreaches40o0A, the switch cabinet should be equipped withaforced coolingdevice.
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
10、Overall and mounting dimension ofordinary handcarttype:1600-4000A (1000mm cabinet)
ZN63 Series indoor high voltage vacuum circuit breaker Functions and Features
SecondarySchemeSchematicDiagram
HQ: Closing coil
TQ:Openingcoil
RO-R1:Resistance
M:Energy-storage motor
S9:Auxiliary switch (switched at work position)
S8:Auxiliary switch(switchedattest position)
SP4: Limit switch
SP1-SP3:Limitswitch(switchedafterenergystorageoftheclosingspring)
HK:Auxiliary switch (switched during ON/OFF operations)
V1-V4:Rectifier
Y1: Locked electromagnet coil(optional)
KO:Anti-jump relay (optional)
Y7-Y9: Indirect over-curent release [optional]
L1-L10:Jumpercable
Option wiring configuration:
| Jumabee | a-b | g-h 12 | e- | -5 | b-c | 18 -j | ||||
| With wire jump | With lock | √ | √ | / | / | / | / | |||
| Without lock | — | √ | √ | √ | ||||||
| Withoutwire jump | With lock | √ | √ | √ | √ | |||||
| Without lock | / | √ | √ | √ | √ | / | ||||
Selection of operating powersupply
| Jumper opertiupply cable | ml L10 |
| AC/DC220V | |
| DC110V | √ |
Note:
1. ^{*}/{}^{p} means disconnection, and {}^{u}{√(\mathbf{\Omega)}}^{v} meansconnection
2.Thecircuitreakerisatthetestpositionpenedandatthenon-energy-storagestae
3.The polarities marked inthe dashed boxshallbethesame duringthe DCpoweroperation.
ZN63 Series indoor high voltage vacuum circuit breaker Functions andFeatures
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
Secondary Scheme SchematicDiagram for Handcarttypescheme (1oNO and 10NC)
| Code | Name | specicatons |
| HQ | Closing coil | |
| TQ | Tripping coil | |
| M | Energy storagemotor | |
| RO | Resistor | |
| S8 | Auxiliary switch (switches whenthe carriage is the test position) | |
| S9 | Auxiliary switch(switcheswhenthecarriageisintheworkingposition) | |
| SP5 | Closinglocksolenoidmicroswitch | |
| 1S2~4S2 | Microswitch | |
| DL | uxiliary switch | |
| 1U~4U | Bridgerectifier(cancels 2U~4U when DC) | |
| K1 | Closinglockcoil | |
| KO | Anti-jump relay | |
| Y7~Y9 | Overcurrent | |
| X | Aviationplug | 58Core |
| L1~L10 | Connecting wire | |
| PCB | Circuit board | A/BPlug-in module wit pluggable connectior |
Option wiring configuration, ^{*}/{}^{*} means disconnection, and {}^{u}{N}^{v}
| Jumpe! | a-b | g-h | e- | # | ||||||
| Confguaperstate | ||||||||||
| With wire jump | With lock | √ | √ | — | — | / | V | |||
| Without lock | / | — | √ | √ | ||||||
| Withoutwire jump | With lock | √ | √ | √ | — | — | / | |||
| Without lock | — | — | / | √ | √ | √ | √ | |||
Selectionofoperatingpowerupply
| Jumpe | |
| AC/DC220V | |
| AC/DC110V | √ |
Note:
1K1Y7Y8Y9K10 (optional)
2.Thecircuitbreakerisatthetestposition,isopened atthenon-energy-storagestate 3.1.5mm2 wire diameterisselected forenergy storage loop and overcurrent loop;
2.5\mathsf{mm}2 wire diameter is selected forthe ground wire.
Use 1mm2 wire diameter for other control cables.
4.The polarities marked inthe dashed boxshall be the same duringthe DC power operation.
ZN63 Series indoor high voltage vacuum circuit breaker FunctionsandFeatures
OrderingTechnicalConfirmationForm
| Company name:: Contact information: Tel: Quantity:(Pcs) | |||
| functionaion | product model | ZN6312 | remark |
| standard features (mandatory) | Rated current(A) | 63012501600 2000250031504000 | |
| Rated short circuit breaking current (kA) | 202531.540 | ||
| Phase distance(mm)/ Inter-electrodedistance(mm) | 150/275(650mm柜)210/275275/310 | ||
| Stored energy(V) | AC/DC220DC110DC48 | ||
| OFF | AC/DC220DC110DC48 | ||
| ON | AC/DC220DC110DC48 | ||
| Vacuum Interrupter | Solid seal pole Insulating cylinder(Ceramic type)(standard) | ||
| cart groundingform | Ground terminal (standard) grounding contact grounding clip | Suitable for handcart type | |
| Contact of auxiliary switch|8NO8NC(standard)10NO10NC | |||
| Installation Method | handcart typeFixed type | ||
| standard | Closing and locking(V) | AC/DC220DC110DC48 | |
| Anti-bounce function | YES 口NO | ||
| Undervoltage trip device(M)AC/DC220DC110DC48 | Aamnaitoeruretis | ||
| Overcurrent device | 2个5A2个3.5A3个5A3个3.5A | ||
| Program lock | Two lock and one key Three locks and two keys | ||
| Handcart (Optional) | Electric chassis cart | AC/DC220DC110 | |
| Chassislock | AC/DC220DC110DC48 | ||
| Program lock of chassis | Two lock and one keyThree locks and two keys | ||
| Cabinet door interlock | Locking function Without lock function | ||
| Fixed type (Optional) | Mechanic interlocking | Left extension length__ Rightextension length___ (Standard: 50mm) | |
| Mechanism spindle | Leftextension length_ Right extension length__ (Standard: 45mm)No option means no extension | ||
| Special Options | Racking Handle extensiolengthen_-_ (initial length : 80mm) | The handle part does not count | |
| Secondary terminal installation | left alignedRight alignedCentering (standard) | Suitable for fixed type | |
| Cirtofracitance | Suitable for handcart type | Suitable for insulating cylinder | |




