PRODUCT SELECTION MANUAL

COMPANY PROFILE

Gonghong Electrical Appliance Co.，Ltd.was established in 20o8,located in Power Technology Innovation Zone D,Weibalu,Economic Development Zone，Yueqing City，Zhejiang Province.Covering an areaofapproximately 3 0 { \ m u } , the company holdsa registeredcapitalof \yen 101.8 million.It currently owns 2 inventionpatents,18utilitymodel&designpatents,1 software copyright，and 68 3C certifications. Specializing in R&D,production,and sales of high-tech electrical products,intelligent networked cabinets, smart environmental monitoring systems,container energy storage power stations,photovoltaic solar equipment,State Grid-standardized intelligent devices,and high/low voltage switchgear,it standsas anadvanced enterprise in the electrical industry. Key clients include State Grid,China Southern Power Grid, and renowned domestic/foreign enterprises,with onestop service provided.

Upholding technological advancement,innovative concepts,and strict internal management, the company hasestablished a modern corporate governance system and comprehensivequalityassurance framework.After overa decade of innovation,it has been certified as a National High-Tech Enterprise and National Safety Standardization Enterprise,pioneering the adoption of ISO9001:2015 (Quality Management)，ISO14001:2015 (Environmental Management)，and ISO45001:2018 (Occupational Health & Safety) systems.Since 2016,it hasbeenawarded the "Trustworthy Enterprise"title.In recent years,sales output,revenue,tax contributions, total assets,and profits have shown sustained growth. With standardized management and scale expansion, the company has implemented anadvanced ERP system for(refined management）and introduced international-grade CNC shears,multi-station punching machines，bending equipment，busbar processing systems,and intelligent testing devices to optimize operational efficiency.

Guided by the principle of "Quality Priority,Unity& Pragmatism,Innovation & Efficiency,"the company has gained industry-wide recogni

QUALIFICATION certificate

HighVoltageSwitchgear

KYN61-40.5□ RemovableAC Metal-clad Switchgear -001
KYN28-12 Removable AC Metal-clad Switchgear -005
KYN28A-24(Z) RemovableAC Metal-clad Switchgear -009
XGN□-12(Z) Fixed Metal-clad Switchgear -011
XGN66-12AC Fixed Metal-clad Switchgear --015
XGN68-12 IndoorAC Prefabricated Metal-clad Switchgear -019
HXGN15-12(F)、HXGN15-12(F·R) HXGN15-12(F·R) 023
Prefabricated AC Fixed Metal-clad Switchgear
XGN15-24 High Voltage SF6 Ring Main Unit Switchgear 025
HXGN□-12(□.R)/□ Prefabricated (Fixed) Metal Enclosed 027
Ring Main UnitSwitchgear
HXGN17-12 Fixed Metal-clad Switchgear 031
RM6-12 Fully Enclosed Common Box Type Inflatable Cabinet---- 035
BSD-40.5KV 1250A-2500A Gas-insulated Switchgear(C-GlS） ---- 039
BSDRM-40.5 Indoor High Voltage Gas-insulated Ring Main Unit (RMU)---- 040
HXGN□-40.5 High Voltage Vacuum Ring Main Unit Switchgear --- 041
BSDXGN□-12 Solid Insulated Ring Main Unit Switchgear - - 045
TBB□-10 High Voltage Reactive Power Automatic/On-site 047
Compensation Device
XGN-12 Outdoor Ring Main Unit (Cable Distribution Box) 049
YBQ-12 Smart Integrated Substation (European Type) 052
ZBW-12 Intelligent Integrated Substation (American Type) 055
GH-Photovoltaic Prefabrication Chamber 058
YBW□-40.5/0.315\~0.69(PV)Photovoltaic Prefabricated Substation (Container-type) 060
ZGS11-Z.TSeries Solar On-Site Boosting Substation 061
ZGSD-F/35 SeriesAmerican-style Wind Power Generation Prefabricated Substation 063

B Cable Distribution Box

C Prefabricated Substation

PRODUCT CATALOGS

D丨Low Voltage Switchgear

MNS Low Voltage Withdrawable Switchgear 065
GCS Low Voltage Withdrawable Switchgear 069
GCK Low Voltage Withdrawable Switchgear 074
GGD Low Voltage Fixed Switchgear 076
GGD Solar Grid Connection Cabinet 080
GGJ Indoor High VoltageGas InsulatedRingMain UnitSwitchgear 082
XL-21Floor-standing Power Distribution Cabinet (Up to 630A) 084
GZDW Inteligent High-Frequency DC Control Panel/Microcomputer-controlled DC Power Cabinet 086
JPSeries Comprehensive Distribution Box (Compensation,Control,Terminal,Lighting) 088
GHSeries Photovoltaic Grid-Connected Distribution Box 090
GH-AC/PVPhotovoltaic AC/DC CombinerBox 091
Electric Energy Meter Box (Stainless Steel/Metal PowderCoating /Glass Fiber 093
Reinforced Plastic (SMC)/Transparent Polycarbonate (PC)

E|Transformer series

S11-M-30\~25o0/10Three-phaseol-immersed non-excitationvoltage regulation fullysealeddistribution transformer 094
S11-M-50\~2500/20(10) Fully sealed distribution transformers 096
SZ11-00\~20o0/10 Three-phase oil-immersed on-load voltage regulation and distribution transformer 098
S13-M-30\~25o0/10 Three-phase planar coil core fully sealed distribution transformer 100
S13-M.R-30\~2500/10 Three-dimensional coil core transformer 102
S20-M-30\~25o0/10Three-phase oil-immersed non-excitation voltage regulation fullysealed distribution transformer 104
S20-M-50\~2500/20(10) Fully sealed distribution transformers 106
S22-M-30\~25oo/10hre-phaseoil-immersednon-excitationvoltageregulationfullysealeddistributiontransformer-108
S22-M-50\~2500/20(10)Fully sealed distribution transformers 110
SBH15-M-30\~2500/10 Amorphous alloy distribution transformers 112
SCBH15-100\~2500/10 Amorphous alloy dry transformer 114
SC(B)10-30\~2500/10 Epoxy resin cast dry type distribution transformer 116
SCB11-30\~2500/10 Epoxy resin cast dry type distribution transformer- 118

SPECIFICATION

KYN61-40.5RemovableACMetal-cladswitchgear(ereinafterreferedtoas"switchgear"）ischaracterizedbytheconfigurationof ZN85-40.5,VDVBfulysulatedacuumcicuitbreakersandspringoperatingmechanismsinsideheabinet.ecabinetis assembledwithauminum-zincplatesmprovingtheprecisionofthetroley'soordinationwiththecabinet.Thetroleymovmentis convenientndthreistronginterchangeabiltyeppeaanceisestheticallpleasingsolutionismprehensivedthe usage issafe and reliable.

This product is used in 35kV three-phase AC 5 0 H z power systems,serving asa distribution room for receiving and distributing electricalenergyinowerlantsubstationsnddustrialandiningterprises.Iaontrolprotectioandoring functions.ThisproductcomplieswithGB3906"335kVAC Metal-EnclosedSwitchgear"IEC60694&GB/T11022"TheCommon TechnicallausesofHigh-VoltageSwitchgearandcontrolgearStandard"DL/404"TechnicalSpecificationsforOrderingACHighVoltage Switchgear,"and IEC62271-200 "1\~52kVAC Metal-Enclosed Switchgearand controlgear standard."

AMBIENTCONDITION

AmbientAirTemperature: - 1 5 ^ { \circ } C to + 4 0 ^ { \circ } \mathsf { C } 业

Altitude: 2 5 0 0 { m } andbelow.

Humidity Conditions: Daily average not exceeding 9 5 % ,daily average water vapor pressure not exceeding 2.2kPa; monthly average not exceeding 90 % ,monthly average water vapor pressure not exceeding 1 . 8 \mathsf { k P a } .Seismic Intensity:Not exceeding 8 degrees. Noobvious polltionfromcorrosiveorflammablegases.Note:Whenoperatingoutside theabove normalconditions,userscan negotiate with the company.

KYN61-40.5 RemovableACMetal-cladSwitchgear

TECHNICALSPECIFICATION

STRUCTURALFEATURE

Thisproductisdividedintotwomainparts:enclosureandtrollyTheenclosureismadeofbentsteelplates,ssembledwithbolts afterspraycoating.Itcanbedividedintosmallbusbarcompartment,relayandinstrumentcompartment,trolleycompartment, cablecompartment,andbusbarcompartmentbasedonfunctionalfeatures,eachseparatedbygrounded metalpartitions.The protection levelofthecabinetshellisIP4X;when the trolleycompartmentdoorisopen,theprotection levelis IP2X.

Theswitchgearincludescableinlet/outletoverheadlineinlet/outletbusbarinterconnectionisolation,volagetrasfors, surgearresters,ndothermaincircuitshemes.Thebusbaradoptscompositeinsulation,withinsulationsleevesmadeofflameretardant material injection moldingforphase-to-phaseandconnection heads.Adjacentcabinetsareseparated by busbar sleeves,whichefectivelypreventsaccidents fromspreadingandprovidesauxiliarysupport tothemainbusbar.Thecable compartment is equipped with a grounding switch,overvoltage protection device,etc.

Metalgatesareinstaledinfrontoftecontactbox.Theupperandlowergatesautomaticallyopenduring the movementofthe troleyfromthedisconnect/testpositiontotheworkingpositionndautomaticalllosewhenthetrollymovesinteosite direction,effectivelyisolatinghigholtage.Mechanicalinterlocksareusedetweenthemainswitch,trolleygroundingswitch， and cabinet door,meeting the "Five Prevention"functional requirements.

Thecircuitbreakertrolleyadoptsascrewroddrivemechanism,surpassingtheclutch.Thescrewandnutdrive mechanismmakes thetrolleymoveeasilybetweenthetestpositionandtheworkingposition.Theself-lockingfeatureofthescrewandnutensures thatthetrollyisreliablyockedintheworkingpositionpreventingacidentscausedbythemovementofthetrolleyduetoelectric power.Theclutch operateswhen thetroley moves back tothetestpositionandwhen itarrivesat the working position, disconnectingtheoperatingshaftfromthescrewshaftandalowingittootatefreelypreventingmisoperationanddamagetothe drive mechanism.Othertrolleysusealeverdrive mechanism.Thereisapositioning and locking mechanism inthetestand working positions.

The outline dimensions of the cabinetare:Width x Depth x Height(mm): 1 4 0 0 x 2 8 0 0 ( 3 0 0 0 ) x 2 6 0 0 . （20

TECHNICALPARAMETERS

A.BusbarCompartment
B.Trolley Compartment
C.Cable Compartment
D.Relay and Instrument Compartment
1.Suspension Ring
2.Main Busbar
3.Small Busbar Compartment Cover Ring
4.Instrument Compartment Door
5.Branch Busbar
6.Busbar Sleeve
7.Contact Box
8.Analog Busbar Coil
9.Nameplate
10.Lighting Lamp
11.Trolley Compartment Door
12.Current Transformer
13. Hinge
14.Insulator
15.Zinc Oxide Surge Arrester
16.Insulation Partition
17.Grounding Switch
18.Live Gate Assembly
19.VacuumCircuitBreakerTrolley
20.Small Busbar Terminal Compartment

KYN61-40.5 RemovableACMetal-cladSwitchgear

SWITCHGEARMAINCIRCUITSCHEMEDIAGRAM

SPECIFICATION

TheKYN28-12(GZS1)RemovableACMetal-cladSwitchgearereinafterreferrdtoas"switchgear"）issuitableforthree-phaseAC 5oHzpowerstem.Itisusedfoceiingnddtributingeectricalerndontrolingrotectingndmoitoingi newlyintroducedhigh-curent,high-breakingswitchgearcanalsobeusedindependentlyforhighvoltagegeeratoroutlets.This productcomplieswiththestandards:GB3906"3\~35kVACMetal-EnclosedSwitchgear"IEC60694&GBT1022"CommonTechnical RequirementsforHighVoltageSwitchgearandControlEquipmentStandards,"IEC62271-2O0"AC Metal-EnclosedSwitchgearand Control Equipment with Rated Voltages Above 1 ~ \mathsf { k V } up to and Including 5 2 k \mathsf { V } . ^ { \ast } （204号

AMBIENTCONDITION

AmbientAirTemperature:Maximumtemperature + 4 0 ^ { \circ } \mathsf { C } Minimumtemperature . 1 5 ^ { \circ } \mathsf { C }

Humidity Conditions:Daily average relative humidity: <= 9 5 % ，Daily average water vapor pressure does not exceed 2.2kPa，Monthly average relative humidity: <= 9 0 % ，Monthly average watervapor pressure does not exceed 1.8kPa

Altitude: 2 5 0 0 { m } andbelow

Seismic Intensity:Not exceeding8 degrees

Theambientairsouldotbeubjectorosieofammablees,team,orherobviouspoltionNoplaeswithostate vibrations.lfusedbeyondtheormalconditionsspecifiedinGB39o6,itshouldbenegotiatedbetweentheuserandthemanfacture

KYN28-12 RemovableACMetal-cladSwitchgear

TECHNICALSPECIFICATION

STRUCTURALFEATURE

1.Switchgear structure (Refer to the diagram below).
2.All-metal assembly,modularassembly structure.
3.Thecabinetusesimportedcoatedaluminum-zincthinsteelplate,processedwithFMSflexibleprocessingsystem,andadopts advancedmultiplefoldingtechnology.ltisconnectedwithighstrengthboltsandrivetnuts,providinghighprecisionion resistance,light weight,high strength,and strong versatility.
4.Itcanbeequippedwithdomesticall produced ZN63A-12(VS1)seriesorimportedIVD4seriesvacuum circuit breakers,which arewidelyapplicable,highlyreliable,and maintenance-free.
5.Thehandcarthasworkingandtestingpositions,eachwithpositioninganddisplaydevices,ensuringsafetyandreliability. 6.Interchangeable with vehicles of the same specifications,exhibiting strong interchangeability.
7.The handcartis transported bya dedicated carrier,making the operation convenientand flexible.
8.The cable compartment can accommodate up to 9 single-core cables.
9.Reliable mechanicaland electrical interlocking devices,fully meeting the"Five Preventions"requirements.
10.Pressure relief channels are provided inallhigh-voltage compartments to ensure personal safety.
11.The front dooris equipped with observation windows to observe the working status ofinternal components.

Structure drawing

A.Buscompartment
B.Circuit breaker handcart compartment
C.Cable compartment
D.Metering compartment
1. Shell
2.Branch busbar
3.Busbar bushing
4.Main busbar
5.Static contact device
6.Contact box
7 current transformers
8.Earthing switch
9.Cable

10.Lightningarrester
11.Earthing busbar
12.Loading and unloading partition
13.Partition (valve)
14.Secondary plug
15.Circuit breaker handcart
16.Heating device
17.Detachable horizontal partition
18.Earthingswitchoperatingmechanism
19.Bottom plate
20.Pressure relief device
21.Control wire trough
Schematicdiagramofswitchgearstructure

OUTLINEDIMENSIONS

KYN28-12 RemovableACMetal-cladSwitchgear

(mm)

INSTALLATIONDIMENSIONS

SPECIFICATION

KYN28A-24(Z)typeremovableACMetal-cladSwitchgear(hereinafterreferedtoastheswitchgear)issuitableforpowersystemwith aratedvoltageof24ndfrequencyof5OHltismainlysedinpowerplntssubstationsndustrialandminingeterpisnd high-risebuildingstoeceiveandistributetworkelectricaleergyndtoontrol,rotectndmonitorcicuits.isigear meetstherequirementsofstandardssuchasGB3906"3\~35kVACMetal-EnclosedSwitchgear"DL404"TechnicalSpecificationsfor IndoorACSwitchgear"andIEC62271-200"ACMetal-EnclosedSwitchgearandControlEquipmentwithRatedVoltageabove1kVup to 5 2 { k V } _ { \prime } ^ { \ast } andithasfunctions toprevent misoperationof circuit breakers,preventthehandcartfrom pushingandpulingwith the load,preventtheliveclosingofthegroundingswitch，preventthegroundingswitchfromsupplyingpowerinthegrounding position,and prevent accidental entry into live intervals (referred to as the "Five Protections").

AMBIENTCONDITION

Altitude doesnot exceed 2500 meters

The upper limit of ambient temperature is + 4 0 ^ { \circ } \mathsf { C } ,and the lower limit is - 1 0 ^ { \circ } C （20
Theaverage relative humidity is not greater than 9 5 % onadaily basisand not greater than 9 0 % on a monthly basis
Theairshouldefreeofconductivedustandgasesthatcancorodemetalanddamageinsulation.Thereshouldbenofire,explosion hazards,severe pollution,or intense vibration
Note:Whentheaboveenvironmentalconditionsareotmet,itshouldbespecifiedathetimeoforderingandmanufacturedaccording to special requirements.

KYN28A-24 RemovableACMetal-cladSwitchgear

MODELIMPLICATION

SwitchgearStructure Description

Theswitchgearconsistsofafixedcabinetandaremovablepart(referedtoasahandcart).Theoutershelloftheswitchgearand the partition of each functional unit are made of 2 \mathsf {mm } aluminum-zinc-plated aluminum sheets imported from abroad.The protectionleveloftheswitchgearoutershelisIP4X.Theprotectionlevelwhenthecircuitbreakerroomdoorisopen isP2X. The KYN28A-24(Z)switchgearcanbeequippedwithVD4-24,VS1-24,andothermodelsofvacuumcircuitbreakerhandcart.The switchgearcanbeinstalledasadoublecabinetsidebyside,i.e.，instaledasaback-to-backorface-to-facedouble-row arangement.Since theinstalltionandcommissioningoftheswitchgeararecarriedoutfromthefront,teswitchgearcan be installed close to the wall to save floor spaceand improve the installation flexibility.

SPECIFICATION

XGN-12(Z)FiedMetadwitchgear(eferedtos"switchgear"）lissitablefrratedvlagesof3.6\~2kVOzdted currentsof630A\~3150Athree-phaseACsinglebus，doublebus,andsinglebuswith bypassystems,servingthepurposeof receivingandistrbutingectricalgItantteirementsfrostysofwerplantsbstatiosddstrial enterprises.ThisproductcomplieswiththenationalstandardsGB3906"335kVACMetal-EnclosedSwitchgear"IEC62271-200"AC Metal-EnclosedSwitchgearandontrolqpmentandDU,DU44sandardschevingthe"Fiverotections"terloing requirements.

AMBIENTCONDITION

Surrounding air temperature: - 1 5 ^ { \circ } C to + 4 0 ^ { \circ } \mathsf { C }

Altitude: 2 5 0 0 \mathsf { m } andbelow.

Humidityconditions:Dailyaveragenot greaterthan 9 5 % ,averagevaporpressurenotexceeding2.2kPa;monthlyaveragenot greater than 90 % ,monthly average vapor pressure not exceeding 1 . 8 \mathsf { k P a } .Seismic intensity:Not exceeding 8 degrees. No obvious pollution,such as corrosive or combustible gases
Note:Consultation with the company is required forspecial requirements.

TECHNICALSPECIFICATION

STRUCTURALFEATURES

TheXGN-12switchgearisametal-cladPrefabricatedstructurewiththeframeweldedfromanglesteel.Thecabinetisdivided into compartmentssuchasthecircuitbreakerroom,busbarroom,cableroom,andrelayroom,separatedbysteelplates. Circuit Breaker Room:Locatedatthefrontlowerpartofthecabinet,itincludesthecircuit breaker'soperating mechanismand connecting rods.The pressure release channel is provided for internal arc events.
BusbarRoom:Positionedattherearupperpartof thecabinet,itfeaturesbusbarsarrangedinazigzag shape,supported by ceramic insulators.
CableRoom:Locatedattherearlowerpart,itmayincludeavoltage monitoringdevice.Cablefixing isdoneonsupports. Relay Room:Positionedat thefrontupperpart,itaccommodates mounting plates forvariousrelays,terminalracks,and secondary components.

Theoperatingmechanismofthecircuitbreakerisinstalledontheleftsideofthefrontabovewhichistheoperationand interlockingmechanismoftheisolationswitch.Theswitchcabinetismaintainedonbothsides.Thefrontisusedtorepair the secondaryelementsoftherelayroom,maintaintheoperatingmechanism,mechanicalinterlockingandtransmissionparts,nd repairthecircuitbreaker.Themainbusbarandcableterminalsarerepairedlaterandlightingisinstalldinthecircuitreaker room.Thereisagroundingcopperbusbarparaleltothecabinet widthdirectionbelowthefrontdoor,withacross-sectionof 4 x （20 4 0 \mathsf {mm } ：

Mechanicalinterlockingisused topreventloadsharingofsolationswitches,accidentalopeningandclosingofcircuitbreakers, andaccidentalentryintolivecompartments;Preventliveclosingofgroundingswitch;Topreventthegroundingknifefromclosing， the switchgear adopts corresponding mechanicalinterlocking,and the action principle of mechanical ntarlA fAllAun

Mechanical Interlocking Operation:

Power-Off Operation (Run-Maintenance):

1.Theswitchgearisintheworkingposition,withcircuitbreakersandisolatingswitchesclosed.Thesmallhandleisintheworking position.
2.Firstly,theicuitbreakerisopened,andthentheallandleisovedtothe"DisconnectionLock"positionerating handleisinsertedintothelowerisolatingswitchoperationhole,puleddown,andmovedtothelowerdisconnectionposition. 3.The handleisremoved,insertedintotheupperisolatingswitchoperation hole,pulleddown,andmoved totheupper disconnection position.
4.Thehandleisremoved,insertedintothegroundingswitchoperationhole,pushedupndmovedtothegroundingposition 5.The smallhandle is moved to the "Maintenance"position.

Power-On Operation (Maintenance-- Run):

1.After completing maintenance,close the rear door,remove the key,and close the front door.
2.Movethesmallhandlefromthe"Maintenance"positiontothe"DisconnectionLock"position.Thefrontdoorisnowlocked,and the circuit breakercannot close.
3.Insertheoperatinghandleinto thegroundingswitchoperationhole,pulldown,and move tothedisconnectionposition. 4.Removethehandle,insertitintotheupperisolatingswitchoperationhole,pushupandmovetotheupperconnectioposition. 5.Removethehandle,insertitintothelowerisolatingswitchoperationhole,pushupandmovetothelowerconnectionposition. 6.Remove the handle,move the smallhandle to the working position,and nowthe circuit breakercan be closed.
Product Dimensions and Structural Diagram (Refer to Figures 1,2,3):
(Providea detailed description orattach diagrams foravisual representation.)

EXTERIORINSTALLATIONDIMENSIONS

1.Main Body Structure 2.Door Grounding Wire 3.Secondary Cable Installation 4.Rear Door Interlocking Iron Assembly 10 5.Lighting Lamp 6.Supporting Insulator 7.Overhead Line Assembly 8.Busbar compartment Assembly 9.Relay compartment Assembly 10.Front Door ComponentAssembly 11.Drive Assembly for Disconnecting 14 Switch with Grounding Knife 15 12.Operating Interlocking Mechanism 13.Drive Assembly for Lower Disconnecting Switch 14.Current Transformer Assembly 16 15.Vacuum Circuit Breaker Drive Assembly (Electric Operation) 350 1200 16.Earthing Busbar Assembly

Figure1:XGN□-12(Z) External Dimensionsand Structural Diagram

SPECIFICATION

XGN66-12ACFixedMetal-cladSwitchgearisanewgenerationofhig-voltageelectricalcompletesetproducts.Itcomplieswiththe nationalstandardGB3906"10-35KVACMetal-EnclosedSwitchgear"andthepowerindustrystandardDLT404-1997"Technical ConditionsforIndoorACHigh-VltageSwitchgearOrders."ItalsometstheinternationalstandardIEC6271-20o"ACMetalEnclosedSwitchgearandControlEquipmentAbove1kVandBelow52kV."Ithasthefive-prevention"interlockingfunction.This productabsorbsadvancedforeigntechnologyandisdesignedanddevelopedtoaddress thehighaccidentrateandlargevolume issues of similar existing switchgear inoperation in China.It has theadvantages of smallsize,occupying only 5 0 % of the volume of ordinaryswitchgearThecircuitbreakerisreliableandhasgoodperformance,andthefive-prevention"interlockingmechanismis reliable and simple.

AMBIENTCONDITION

AmbientAir Humidity:Upper limit + 4 0 ^ { \circ } \mathsf { C } ,lower limit * 1 0 ^ { \circ } \mathsf { C }
Altitude:Maximum installation altitude of the equipment is 1 0 0 0 \mathsf { m } #
Temperature:Daily average relative humidity not exceeding 9 5 % ,monthly average relative temperature not exceeding 90 % Seismic:Seismic intensity not exceeding 8 degrees
Surrounding air should not be significantly polluted by corrosive or combustible gases,steam,etc.
No severe pollution and frequent severe vibration in the area.

XGN66-12 ACFixedMetal-cladSwitchgear

MODELIMPLICATION
XGN66-12/ Primary Scheme Number RatedVoltage Design Serial Number -Indoor "Fixed"Type "Box-Type"Switchgear

MAINUSESANDAPPLICABLESCOPE

XGN66-12Prefabricated (indoor)AC metal-enclosed switchgear is suitable for 3.6-12kV three-phase AC 5 0 H z single-bus segmentedindoorcompletesets.Itservesasthereceivinganddistributingelectricalenergyandhas functions suchas controling，protecting,andmonitoringheircuit.Itcanbesedinrioustypesofpowerplants,ubstations,dustrialnd miningenterprises,high-risebuildings,andcanalsobecombinedwithingnetworkcabinetsforopeningandclosingstations.

TECHNICALSPECIFICATION

Circuit Breaker technical specification

XGN66-12 ACFixedMetal-clad Switchgear

PRODUCTSTRUCTURE

Theswitchgearisametal-clad prefabricatedstructure,asshowninFigure1.Theframeof thecabinetisassembled frombent steelplates.Theinteriorof thecabinetisdividedintoacircuitbreakerchamber,amainbuschamber,acablechamberanda secondaryelement chamber.

Thetopoftheswitchgearisthebuschamberwiththesecondaryelementchamberinfront.Themiddleofthecabinetisthecircuit breakerchamber,andontherightside,thereareinterlockmechanismsforisolatingswitchesandgroundingswitches.Terearis equippedwithcurenttransformersandlightingdevices,andthelowerpartof thecabinetisthecablechamber,wheresurge arresters can be installed.

INTERLOCKINGMECHANISMINSIDETHECABINET

Topreventtheisolatedswitchesfromcarryingloads,topreventacidentalclosureofthecircuitbreaker,toavoidenteringlive intervals,andtopreventgroundingwithelectricitytheswitchgearadoptsorrespondingmechanicalinterlocks.Theerating procedures for the mechanical interlocks are as follows:

1.Power-off Operation (Maintenance):

Theswitchgearisintheworkingposition,withtheupperandlowerisolationswitchesandcircuitbreakerintheclosedstate,and thefrontand rear doors are closed and locked.The doorlock handle isin the working position.

Firstdisconectteuitbreakertmoethdorlockandletotdisoctandlock"positioAttsintteiit breakercannotbeclosed.Inserttheoperating handleintotheisolationswitchoperation hole，rotatecounterclockwise, sequentialloperatethelowerisolationswitchtoteopenposition,theupperisolationswitchtotheopenposition,andteupper andlowergroundingswitches totheclosed position.Then,removetheoperating handle.Movethedoorlock handleto the "maintenance"positiontoopen thefrontandreardoors.Aftercompletingthepower-offoperation,maintenancepersonnelcan perform maintenance and inspection on the circuit breaker and cable room.

2.Power-on Operation (Operation):

lf maintenance is complete and power needs to be supplied,the operating procedure isas follows:

Closeandlockthefrontandreardoors.Movethedoorlockhandlefromthe"maintenance"positiontothe"disconnectandlock" position.Atthispoint,thefrontdoorislocked,andthecircuitbreakercannotbeclosed.Inserttheoperatinghandleintothe isolationswitchoperationholeinthespecifieddirection,otateclockwise,sequentillyoperatetheupperandlowergrounding switchestotheopenposition,theupperisolationswitchtotheclosedposition,andthelowerisolationswitchtothelosed position.Then,removetheoperatinghandle.Movethedorlockhandletothe"working"position,andnowthecircuitbreakercan be closed.

INTERLOCKINGBETWEENCABINETS

Interlocksbetweencabinetscanbeaddedaccordingtotherequirementsofthelinescheme,includingelectricalinterlocksand program locks.

LAYOUTSCHEMATIC

Figure 1:Switchgear Layout Schematic drawing

1.Cabinet door 9.Bolt 17.Vacuum
circuit breaker
2.Lighting lamp 10.Gasket 18.Bolt
3.Observation window 11.Gasket 19.Sensor
4.Operating mechanism 12.Nut 20.Bolt
5.Small door panel 13.lsolation switch 21.Gasket
6.Instrument door 14.Pull rod 22.Gasket
7.Cabinet eyebrow 15.Rear panel 23.Skeleton
8.Busbar through 16.Current transformer 24.Surge arrester
-wall sleeve

SPECIFICATION

TheXGN68-12indoorACPrefabricatedmetal-cladswitchgearreferredtoastheswitchgear)isanewtypeofcompactindoorpower distributionequipment.TheswitchgearemploysZN10-12vacuumcircuitbreakersandFZN58-12vacuumloadswitches,both utlizingvacuumarc-extinguishingchamberepoxyresinsolid-sealedtechnology.Itfeaturesanaestheticallpleasingappearance excelentinsulatioperformanceandconvenietoeration.Thecabinetadoptsapatenteddesignofotaryfusestructurelowing forapullouttypefusereplacementmakingitexceptionallyconvenient.TheXGN68-12switchgearhasthesmalestdimensions amongair-insulatedcabinets，metingenvironmentalrequirementsforurbanusersandresidentialareas.Itocupiestheleast amount of space,making the XGN68-12 switchgear the most ideal choice.

AMBIENTCONDITION

The ambient air temperature is not higher than + 4 0 % and not lower than - 2 5 ^ { \circ } \mathbf { C }
Relative humidity at its highest:dailyaverage not exceeding 9 5 % ,monthly average not exceeding 9 0 %
The air should be clean,freefrom corrosive orflammable gases,and no obvious pollutionsuch as water vapor.
Noseverecontaminationandfrequentseverevibrations;theverticalinstalationinclinationshouldnotexceed5degreesAltitude does not exceed 2 0 0 0 \mathsf { m }
Whenused beyond thespecifiednormal environmentalconditions，consultationisrequiredbetween theuserand the manufacturer.

XGN68-12 IndoorACPrefabricated Metal-clad Switchgea

MODELIMPLICATION

MAINSPECIFICATION

TheXGN68-12seriesproductsarecategorizedintoloadswitchgear,circuitbreakercabinet,andloadswitch-fusecombination electricalcabinetbasedonthetypeofinstalledmainswitchgearequipment.Theyareclasifiedinto twooperatingmodes:manual spring energy storage operationand electricoperation,basedonthe operating mechanism's methodofoperation.

TECHNICALSPECIFICATION

XGN68-12 IndoorACPrefabricated Metal-cladSwitchgea

KEYSTRUCTURALFEATURES

Figure1:PrefabricatedACHighVoltageMetal-cladSwitchgear (Equipped with Fuse Combination Electrical Appliances)

1.Frame
2.Load break Switch
3.RearPanel
4.Mounting Rail
5.Static Contact Seat Mounting Beam
6.Fuse Box
7.Earthing Switch
8.Base Plate
9.Instrument Box
10.Cover
11.Mechanism Door
12.lnstrument Door
13.Opening Button
14.Close Button
15.lsolation Operation Hole
16.Observation Window
17.Mimic Panel
18.Lighting Lamp
19.Operating Mechanism Close Indicator
20.Charged Display
21.Operating Instruction
22.Earthing Switch Operation Hole
23.Bottom Door

Thisproductusesathrephasevacuumbodywithalongitudinallrranged,irinsulateddesign,withcabinetwidthofonly 5 0 0 \mathsf {mm } ,significantlyreducing theoverallvolumeof theswitchgear.ltemploysapatenteddesignwitharotatingdrawer-type fuse structur,providingvisible isolationcontacts.Additionall,thefixedfuse structure"drawer"canbepulledoutforsafeand convenient fusereplacement.The switchgear is equipped with FZ(R)N58-12 vacuum load switch fuse combination electrical appliances.Theswitch's threephasesuseavacuumarc-extinguishing,epoxyresinpole-sealedstructure,whichiscompact, lightweight,easytooperate,andreliable.Thefuseadoptsastriker-typestructurewithsingle-phaseshort-circuitthree-phase interlocking and trip-free function.The entire setof products is both economical and safe.

Figure2:PrefabricatedAC High Voltage Metal-clad Switchgear (Equipped with Vacuum Circuit Breakeror Load Switch)

Thisproduct'sthre-phasevacuumbodyalsousesalongitudinallarranged,air-insulateddesign,withacabinetwidthofonly 4 0 0 \mathsf {mm } .Itusesanisolationswitchforisolating thepowersuplyfeaturingaclearlyvisibledisconnectionTheswitchgearcanbe equippedwith FZN58-12 vacuum load switches or ZN100-12 vacuumcircuit breakers.Bothswitchesuseavacuumarcextinguishing,epoxyresinpole-sealed structure,whichiscompact,lightweight,easytooperate,andreliable.

SPECIFICATION

HXGN15-1(F),HG5-(FPreabricaedfidACetal-adswitchearrenaftereferedts"sitchgear)sdtd voltageof12kVratedcurentof630Aandbelowintheringnetworkpowersupplyrradialpowersuppysystem.Itisparticularly suitableforinstalationinprefabricatedsubstationsascontrolandprotectionequipmentforpowersystems.Theproductiseqipped withtheFLN36-12DtypeSF6loadswitchorFLRN36-12Dtypeloadswitchandfusecombinationelectricalapplianceswith insulated enclosure.Itfaturessmallsize,lightweighteasyoperation,lightoperatingforce,eliableinterlockingandmaintenancefree characteristics.Itisanewgenerationofhigh-voltageswitchgearneededforurbanpowergridrenovationandconstruction.This productcomplieswithGB3906(3\~35kVACMetal-EnclosedSwitchgear")，GB/T11022("CommonTechnicalRequirementsforHig VoltageSwitchgearandontrolEquipmentStandards"),C6227-(ACMetal-EnclosedSwitchgearandontrolquipti RatedVoltageAbove1kVupto50kV),andDL/T404("TechnicalConditionsforIndoorACHighVoltageSwitchgearOrderRejection") standards.

AMBIENTCONDITION

Ambient air temperature: - 1 5 9 0 to + 4 0 ^ { \circ } C #

Altitude: 2 5 0 0 { m } andbelow

Humidity conditions:

Dailyaverage not exceeding 9 5 % ,dailyaverage vapor pressurenot exceeding2.2kPa Monthlyaveragenotexceeding 9 0 % ,monthlyaverage vapor pressure notexceeding1.8kPa.
Seismic intensity:Not exceeding 8 degrees.
Locations without obvious pollution,such as corrosive or flammable gases.
Note:Whenexceeding the normaloperating conditions mentioned above,userscannegotiate with the company.

HXGN15-12[F]、 HXGN15-12[F·R) PrefabricatedFixedACMetal-cladSwitchgear)

MODELIMPLICATION

STRUCTURE

Theswitchgearconsistsofacabinet,mainswitch(SF6loadswitchorcombinationelectricalappliances),groundingswitch,meter room,busbars,and other electrical and auxiliary components.

Thecabinetisassembledfromaluminum-zincsteelplatesthrough modularization.Apressurereliefchannelisprovided behinc thecabinettoprotectoperatorsincaseof internal faults.

Thebusbarroom'sbusbariscoveredwithinsulationanddirectlyconnectedtothewiring terminalsoftheloadswitch.The three phasebusbarsarearrangedverticalyllowingthesitchgeartoasilyexpandedonothsidesandfacilitatinglayoutanges. Themeterroomislocatedatthetopoftheswitchgearandcanaccommodateammeters,voltmeters,indicators,andelectric operating mechanisms.

TECHNICALSPECIFICATION

TheXGN15-24AChighvoltageSF6ringmainunitswitchgear(ereinafterreferedtoas"ringnetworkcabinet"）isanewgeneation ofhigh-voltageelectricalproductsdevelopedbyourcompanybasedonadvancedforeigntechnologyandinaccordancewiththe requiremntsofdomestichouseholdapliancesandcitynetworktransformation.Afterrigoroustypetestingandlong-termtrial operationassssmentsalltechnicalperformanceindicatorsmeetnationalsandards.Themainswitchoperatingmechnismand componentsofthenitabinetusetheF36-24F6witchgearprodcedidependentlyyurompanywithanualdeectric operationmodes.Theswitchgearismadeofaluminum-zincplatesprocesedbyCNCmachinetoolsandriveted.Ithasreliable mechanicalinterlockingandanti-misoperationfunctions.Thisproducthassignificantfeaturessuchassmallsize,lightweight beautifulappiongiteidle.Isded andminingeterprises，ighseiingssidentialommunitieshools,tc,for24kVpowerdistributionsemintwok powersupplyand terminal distribution.

TheringmainunitswitchgearisequippedwithSF6loadbreakswitchorSF6loadbreakswitchandfusecombination electricalapliaceichaodeaktedloadrentosettdorticitetndreakthor no-load current.The combination electrical applianceswith fuses can break the 3 1 . 5 { \mathsf { k A } } short-circuit current in one operation, playinga control and protectionrole in the power system.

AMBIENTCONDITION

Altitude:Not exceeding 2 5 0 0 { m } 业

Ambienttemperature:Upper limit + 4 0 ^ { \circ } C ，lowerlimit - 5 9 美
Relative humidity:Daily average not exceeding 8 5 % ( + 2 5 ^ { \circ } \mathsf { C } )
Seismic intensity:No severe vibration,shaking,orverticalinclination exceeding 5 degrees.
Environmental condition: No explosive hazard locations.
Note:Whenexceeding the normaloperatingconditionsmentionedabove,userscannegotiatewiththe manufacturerto determine.

XGN15-24 High Voltage SF6 Ring MainUnitSwitchgear

SWITCHGEARSTRUCTURE

Note:The XGN15-24 single-unit SF6 ring main unit switchgear consists of the following 4 parts: ① Busbar compartment② Main switch ③ Cable compartment④ Operating mechanism,interlocking mechanism,and low-voltage control.

1.BusbarCompartment:Thebusbarcompartmentisarrngedatthetopofthecabinet.Inthebusbarcompartment,themair busbars are connected together,spanning the entire row of switchgear.

2.LoadBreakSwitch:TheswitchgearisequippedwithanSF6loadbreakswitch(FLN36orFLN56).Thehousingoftheloadbreak switchiscastwithepoxyresin,filldwithSF6gasasinsulationmedium,andhasobservationholesontheshellTheswithgear canbeequipped withan SF6gasdensity meteroragasdensity monitor withanalarmcontactaccording tocustomer requirements.

3.CableCompartment:Theloadswitchgearhasaspaciouscablecompartmentmainlyusedforcableconnections.This allows single-coreorthree-corecablestobeconnectedwiththesimplestunshieldedcable heads.Adequatespacecanalso accommodatecomponentssuchassurgearrsters,curent transformers,anddownstream grounding switches.According to standarddesign,thecabinetdoorhasobservationwindowsandasafety interlock device.Thecablecompartmentflooris equipped withasealing coverandappropriatelysizedcableclamps withsupportframes.Thecablecompartmentflooand the door frame can be removed for easy cable installation.

4.OperatingMechanism,InterlockingMechanism,andLow-voltageControlCompartment:Thelow-voltagecompartmentwith interlockingalsoservesasacontrolpanel.Thelow-voltagecompartmentisequippedwithaspringoperatingmechanismwitha positionidicatorandamechanicalinterlockdevice.Itcanalsobeequppedwithauxiliarycontacts,tripoils,emergencytrip mechanisms,capacitivelivedisplays,keylocks,andelectricoperatingdevices.Theentireupperunitcanbereplaced.

ADVANTAGES

The XGN15-24 single-unit ring network switchgear produced by our company is made of aluminum-zincplates processed by CNC machine toolsand riveted,making it moreaesthetically pleasing,more robust,and morestable in performance comparedto traditional products fromother enterprises.SF6 ring network cabinets have many advantages,including small size (width 5 0 0 \mathsf {mm } x height 2 0 0 0 x depth 1 2 0 0 \mathsf {mm } ),simple structure, maintenance-free,reasonable price,andmore,making ithighly favored in themarket.Our products have beenwidelyused and operated safely in Jiangsu.

Prefabricated(Fixed) HXGN□-12[.R/□ Metal Enclosed Ring MainUnitSwitchgear

SPECIFICATION

TheHXGNO-12(.R)/口typePrefabricated(fixed)metal-cladringmainunit switchgear(referedtoasringnetworkcabinet) isa newtypeof high-voltageswitchgear producedfortheneedsofurbanpowergrid transformationandconstructionItis used in thepowersupplysystem tointerruptloadcurentsandcloseshort-circuitcurents.Thisringmainunit switchgearisequipped withaVacumload break switch,andtheoperating mechanismisaspring-operatedmechanismthatcan bemanuallyor electricallyoperated.Theswitchanddisconnectingknifeareusedfortheoperationmechanism.Thisringmainunit switchgear has strong completenes,smalsize,no fire,and explosion hazards,and reliable "five-protection"functions.

MODELIMPLICATION

HXGN口-12（口.R/口) Prefabricated (Fixed) Metal Enclosed Ring MainUnitSwitchgearr

AMBIENTCONDITION

Ambientair temperature: - 2 5 ^ { \circ } C to + 4 0 ^ { \circ } \mathsf C

Altitude: 2 5 0 0 { m } andbelow.

Humidity conditions:Daily average not greater than 9 5 % , vapor pressure daily average notexceeding 2.2kPa.
Monthly average not greater than 90 % ,vapor pressure monthly average not exceeding 1.8kPa.
Seismicintensity:Not exceeding 8degrees; noobvious pollution from corrosive or flammable gases.
Note:When exceeding the normaloperating conditions mentioned above,users can negotiate with the company.

APPLICATIONRANGE

The ring main unit switchgear is suitable for 10kVAC, 5 0 H z distribution systems.It is widely used in urban power grid construction andrenovationprojects,ndustrialandminingenterprises,high-risebuildingsndpublicfacilities.Itservesasaingmainunit powersupplyunitandterminalquipment,playingaroleinthedistribution,ontrol,andprotectionoflectricalequipmenttan alsobeinstalledinprefabricatedsubstations.Thisringmainunitswitchgearcomplieswith IEC420"High-voltageACloadswitch andfusecombination electricalappliances"and GB3906-91"3-35kVAC metal-enclosed switchgear"regulations.

TECHNICALSPECIFICATION

RINGMAINUNITPOWERSUPPLYPRINCIPLE

Ring mainunitpowersupplygenerallyconsistsofthreebasicunits(seeFigure1).Theincomingandoutgoing linecabinetsactas ringmainunits.Whenanylinefails,itcanbeisolatedintime,andanotherunitensuresthecontinuousoperationoftheuser transformer branch.Theuserloopring mainunit switchgearplaysaprotectiveandisolatingrolefor transformers,making maintenanceand inspectioneasier.Theringmainunit switchgearcanbeextendedarbitrarilyandcanbecomposedof various combinations according to user requirements,realizing any combination scheme ofany substation.

STRUCTURALFEATURES

Functional Unit

TheringmainunitswitchgearismainlyequippedwithFZN21-12/630 two-positionvacuum load break switch,with themain schemes being the incoming cabinetand outgoing cabinet.

A.Incoming Cabinet Scheme:

ThecabinetisequippedwithoneFZN21-12/630two-positionvacuumloadswitch,andthecabinetcan flexiblyaccommodate CT, PT.ThemaincircuitisequippedwithaFZN21-12/630vacuumloadswitchandanisolatingknife,achieving theconnectionofthe busand isolating two positions separately.

B.Outgoing Cabinet Scheme:

ThecabinetisequippedwithoneFZRN21-12/T125-31.5loadswitchandfuse-typecombinationelectricalapplianceand the cabinetcanflexiblyassembleCT,PTndZnOsurgearester.Thefuse-typecombinationelectricalcabinethasafusewitha striker,andintheeventofasortcircuit,thestrikerhitstetrippingmechanism,acievingfastdisconectionandeffectively protecting electrical equipment.

C."Five-protection"Interlocking Function

a.Power-onoperation:Onlywhenthecabinetdoorisclosedandsecured,andthegroundingswitchisoperatedtothe"open bosition,can theload switchbeoperatedto theclosingposition.

b.Power-offoperation:Whentheloadswitchisinthoenpostion,thegroundingswitchcanbeosedandwhenthegroundin switchisinthe closed position,the insulated partitionis inserted into place before opening thecabinetdoor.

Thevacumarcchamberhasareliableinterlockwiththeisolatingknifeandtheisolatingknifeisinterlockedwiththeearthin nife,andinterlockedwiththecabinetdoor,and theinsulated partitionhasan interlockwiththecabinetdoor.

l.Mechanicalinterlockingcanbeachievedbetweentwoincominglinecabinets,betweentheincomingcabinetandtheisolating :abinet,and mechanical interlocking between them.

STRUCTURALANDPERFORMANCECHARACTERISTICS

Theoutershelloftheringnetworkcabinetconsistsofabasicframeworktopplate,afrontpanel,andsidepanelsinlosed structure.Thetopoftheringmainunitswitchgearisthebuschamber,andinfrontofthebuschamberistheinstrumentchamber. Thetwochambersare separatedbysteelplates.Theupperpartofthecabinethastheloadswitchchamber,andthemiddleand lowerpartshouse thecablein-outlinesandothercomponents.Themainequipmentin theringmainunitswitchgearincludesa vacuumloadbreakswitch,adisconnectswitch(oradisconnectingswitchwithafuseisolatingknife)anarthingswithsurge aresters,operatingmechanisms,interlockingmechanisms,and measurementandmeteringcircuits,amongothers.(Referto Figure 2)

1.Earthing Switch
2.OperatingMechanism
3.Through-wall Sleeve
4.Insulator
5.Fuse(Isolating Knife)
6.OperatingMotor
7.Load Break Switch
8.Current Transformer

Figure2:HXGN□-12(口.R)/口Structural Diagram

OUTLINEDIMENSIONSAND INSTALLATIONSIZES

Figure3:HXGN口-12(□.R)/□Outline Dimension Diagram

Figure4:RingMainUnitSwitchgearGround Fixing Dimension Diagram

HXGN17-12 Type FixedMetal-clad Switchgear

SPECIFICATION

HXGN17-12refabricatedfixedmetal-enclosedringetworkhigh-vlageswitchgear(eferredtoasingmainunitwitcgear), isanAChigh-voltageelectricaldevicewitha ratedvoltage of 1 2 k V andarated frequencyof 5 0 H z . It isprimarily used in threephaseACringetworks,teinaldistribtiontworksndidustrialeletricaleipmentfortceptanceistrbiod otherfunctions.It is lalso suitable for installation in Prefabricated substations.

MODELIMPLICATION

HXGN17-12

TypeFixedMetal-cladSwitchgear

AMBIENTCONDITION

Ambient Temperature: - 1 5 ^ { \circ } C to + 4 0 ^ { \circ } C

Altitude: 2 5 0 0 { m } andbelow.

Humidity:

Dailyaveragenot greater than 9 5 % ,dailyaverage vapor pressure not exceeding 2.2kPa.
Monthlyaveragenot greater than 9 0 % monthly average vaporpressure notexceeding 1.8kPa.
Seismic Intensity:Not exceeding 8 degrees.
No significant pollution from corrosive or flammable gases,etc.
Note:Users can negotiate with thecompany for conditions beyond the normal operating conditions.

TECHNICALSPECIFICATION

Foundation Construction Drawing

PACKAGING AND STORAGE

1.TheswitchgearispackagedinasinglewoodenboxatthefactoryDuring transportation,avoidtipping,inversion,and severevibration.When moving,donotpushorpulldirectlyontheground;ifthereisnoliftingdevice,cylindricalobjects can be placed under the packaging box to slide it to the installation position.
2.Prevent the switchgear from being exposed to rain or dampness.
3.Theswitchgearshouldbestoredinawellventilated place,freefromharmfulgases.Itshouldnotbestoredin thesame warehouse as chemicals,acids,and alkalis. Acceptance:
1.Beforeopeningthe box,check foranydamagetothepackaging.Whenunpacking,takecare toprotecttheproduct.
2.Performanexternalinspectionofthecabinetand checkiftheinternalcomponentsaredamagedandifaccessories match the packing list.
3.Check if the accompanying documents are secure: a.Product user manual and component manuals b.Factory test report c.Product certificate of compliance d.Packing list e.Secondary wiring diagram.

HXGN17-12 TypeFixedMetal-cladSwitchgear

INSTALLATIONANDCOMMISSIONING

1.Place the switchgear on the installation base,arrangeit neatly,and secure it with fasteners.
2.Wheninstallingthemainbusbar,openthebusbarchamberforinstallation.Thecontactsurfaceofthebusbarshouldbe flatand free from impurities.
3.Ensure reliable grounding of the switchgear and performa circuit check on the grounding.
4.Follow the switchgear user manual and component manuals for commissioning.
5.Afterinstallationandcommisioning,operateeachswitchcomponentandanti-misoperationmechanismfive times.lf no abnormalities are found,the mechanical operation of the switch is considered normal.

OPERATIONANDFAULTHANDLING

1.Pre-energization Inspection:

Conductacomprehensiveinspectionoftheelectricalperformance,insulationlevel,andorectwiingofallomponents inside the switchgear before energizing.Only proceed if everything is normal.

2.Normal Operating State:

Innormaloperation,whetherit'stheincomingoroutgoingswitchgear,theloadswitchshouldbeintheclosedposition thegroundingknifeshouldbeintheopenposition,andthecabinetshouldbeintheclosedandlocked state.

3.Fault Handling:

Fortroubleshootingintheincomingswitchgearcutofftheincomingpoweropentheloadswitch,checkthelivedisplay on the cabinet,and,afterconfirming no issues,closethegrounding knifeandopen the doorforinspection. Fortroubleshootingintheoutgoingswitchgeardisconnecttheloadswitchinthecabinet,closethegroundingkifeand open the front door for inspection.At this time,the main busbar is live.

SPECIFICATION

RM6-12FullyEnclosedCommon BoxTypeInflatableCabinetisamodularunitthatcanbecombinedfordiferentpurposes.It consistslofixedunitsandexpandableunits,meeting theflexibleneedsofcompactswitchgearinvarioussubstations.TheRM6- 12isafullysealedsystemwithallivepartsand swichesenclosedinastainless steel shell.Theentireswitchgearoperates independentlyofxtealironmentalonditionssuringreliabilityersoalsfetyndmintenancefreeatioe useofexpandablebusbarsallwsforanycombination,achievingfullmodularityTheexpandablebusbarsfeaturesafesulation andshieldingensuringhighreliablityandsafetyTheRM6-12alsoprovidesaTV-likeautomationsolutionintroducingthe conceptofinteligent switchesandminimizingon-site installationandcommissoningwork.TheRM6-12isavailableinnonexpandablestandardconfigurationandexpandablestandardconfiguration,oferingexceptionalflexibilityduetoitsfulland semi-modularcombinationsandinherentexpandability.TheRM6-12iscomplieswithGBstandardsandhasadesignlifeofover 30 years under indoor conditions ( 2 0 ^ { \circ } \mathsf { C } )

MODELIMPLICATION

RM6-12 Fully Enclosed Common Box TypeInflatableCabinet

OPERATIONANDFAULTHANDLING

SF6 gas is used as the arc extinguishing and insulating medium.

Theswitchgearfeaturesafullsealedandinsulatedstructure,withbusbars,switches,andlivepartscompletelyenclosedina ;tainlesssteelshell.

ThecompartmentsarefiledwithSF6gasat1.4bar，achievinganIP67protection level.Theentireswitchdeviceremains unafected byexternalenvironmentalconditions,ensuring normaloperationeveninextremesituations,makingtheproduct maintenance-free for its lifetime.

Theswitchgearhasacomprehensive"five-prevention"interlockdevice topreventoperationalerrors thatcouldcausepersonel andequipmentfailures.Allswitchgearincdesareliablesfetypressurereliefchanel,ensuringthoperator'spersonalsafety even in extreme situations.

「wo types of switchgear are available: fixed unit combination and expandable unit combination.

Theswitchgeartypicallyasfront-lineentrybutside-lineorsde-expansioncanbeachievedbasedondiferentintalation positions.

Thecompact sizeof thecabinetfacilitates instalationinconfined spacesand adverseenvironmentalconditions.

Theswitchgearcanbeconfiguredwithelectric,remotecontrol,nddetectiondevices basedonuserrequirements

TECHNICALSPECIFICATION

PERFORMANCESPECIFICATIONS

SF6 gas pressure:Absolute pressure below 2 0 ^ { \circ } \mathsf { C } is 1.4 bar.
Annual gas leakage rate: 0 . 2 % peryear.
Protection level: IP67;Stainless steel thickness of the gas chamber is 3 . 0 \mathsf {mm }
Normal operating environmental conditions: Maximum temperature 4 0 ^ { \circ } \mathsf { C } ,minimum temperature \angle 4 0 ^ { \circ } \mathsf { C } ；Maximumaveragerelative humidity <= 9 5 % ,altitude \mathtt { s 2 5 0 0 } meters.
Busbars:Busbars inside the switchgearare 4 0 0 m / { { m } } { { m } } ^ { 2 } { { C u } } ,and the grounding busbaris 1 5 0 {mm } ^ { 2 } { C u }
Color:Frontpaneloftheswitchgearis RAL7012,side panels,andfrontcoverofthecablecompartmentareRAL7035. Compliance with Standards:GB/T11022，GB3906，GB1985，GB16926，GB38041，GB1984，GB3309，IEC60056，IEC60129， IEC60256,IEC60298,IEC60420,IEC60694.

RM6-12 FullyEnclosed Common Box TypeInflatableCabinet

ORDERING INFORMATION(SPECIFYWHENORDERING)

1.Maincircuitshemenumberpurpose,single-linesystemdiagram,layoutdiagram,anddistributionroomfloorplanetc 2.Auxiliary circuit wiring schematic,terminal arrangement diagram.
3.Models,specifications,and quantities of electrical components inside the switchgear.
4.Requirementsforontrol,measurementandprotectionfunctionsoftheswithgearaswellasotherinterlocksand automaticdevices.
5.Ifbusbarbridgingisneededbetweenswitchgearorincomingcabinets,providespecificdatasuchastheratedcurrentcarrying capacity,span,heightabove ground,etc.
6.Specify the types and quantities of accessories and spare parts needed.
7.Providedetailedexplanationsiftheswitchgearwillbeusedinspecialenvironmentalconditionswhenplacingtheorder.

Pressure Indicator

GH-40.5KV1250A-2500A Switinsular(C-GIs)

SPECIFICATION

BSD-40.5KV 1250A-2500A Gas-insulated Switchgear (C-GIS) is atype of gas-insulated metal-enclosed switchgear designed for use in 4 0 . 5 1 { x V } power distribution systems.It incorporates insulation technology for low-pressure gases,aswell as heat dissipation,sealing,vacuum interrupter technology,and a new type ofinsulationjoint technology. All high-voltage componentsare fully enclosed,withreserved ports for leads, extensions,testing,andmore.Theequipmentisequippedwith various sensors for voltage，current,position,and density (pressure).It combines modern digital andsoftware technologies to achieve product status monitoringand intelligence.

TECHNICALSPECIFICATION

SPECIFICATION

BSDRM-40.5 Indoor High Voltage Gas-insulated Ring Main Unitisused for ringnetwork powersupplyordual radiation powersupplyin40.5KV power lines.Itcanchange theoriginal single radiation power supply mode.Whena fault occurs in theline,it can promptly restore powerto the transformer circuit,greatlyimprovingthe reliabilityand utilizationof powersupply.At the same time,the ringmainunit issafe to use，unaffected by the weather,easy to install,requires minimalmaintenance，saves space,and is suitable for installation inPrefabricated substations.Itis designed for 40.5KV power lines,providing ring network power supply or dual radiation power supply. Itcan change the original single radiation power supply mode. In the event of a line fault,it can promptly restore power to the transformer circuit, significantlyimprovingthereliabilityandutilizationofpower supply.Theringmainunitissafetouse,unaffectedbythe weather，easytoinstallrequiresminimalmaintenance,saves space,and issuitable for installation in Prefabricated

TECHNICALSPECIFICATION

SPECIFICATION

HXGN-40.5isaPrefabricatedfixedACmetal-cladswitchgeardesignedinaccordancewithGB3906-91"3\~35kVACMetalEnclosedSwitchgear"ItsenclosurecomplieswiththeIP2Xprotectionlevelspecified inGB4208-92.Thisswitchgearisacomplete set of indoordevices for three-phase AC 5 0 H z singlebusand bus-side bypasssystems,serving to receiveand distribute 35KV network electrical energy.

MODELIMPLICATION