Switchgear Types 8DJ and 8DHfor Secondary Distribution Systemsup to 24 kV (General Part),Gas-InsulatedMedium-VoltageSwitchgearCatalog HA 40.12005Supersedes:Catalog HA40.1 20022 Siemens HA40.1 2005Switchgear Types 8DJ and 8DH for Secondary Distribution Systems up to 24 kV (General Part), Gas-InsulatedApplication ContentsPage8DJ secondary distribution switchgear and 8DH switchgearare metal-enclosed, SF6-insulated switchgear types for indoorinstallation 8DJ switchgear as non-extendable secondary distributionswitchgear in block-type construction 8DH switchgear as a modular and extendable switchgear inpanel-type constructionTypical uses8DJ/8DH switchgear types are used for secondary distributionsystems, such as Substations, customer transfer substations and distributionsubstations used by power supply and public utilities Industrial plantsTypical examples include: Wind power stations High-rise buildings Airports Lignite open-cast mines Underground stations Sewage treatment plants Port facilities Traction power supply systems Automobile industry Petroleum industry Chemical industry Cement industryR-HA40-002epsR-HA40-001epsR-HA40-004eps Siemens AG 2005FeaturesApplicationFeatures 2Product Range8DJ secondary distribution switchgear 38DH switchgear 3RequirementsFeatures, typical application 4 and 5Technical DataElectrical data 5 to 7Switchgear installation, shipping data 8Design and Mode of OperationPanel design 9ComponentsThree-position switch-disconnector 10 and 11Operating mechanisms 11 to 13HV HRC fuse assembly 14 and 15Indicating and measuring equipment 16 to 18Interlocks, locking devices 19Cable connections 20 to 28StandardsStandards, specifications, guidelines 29 to 31Notes31For further information, please refer toCatalog HA 45.11: 8DJ10 Secondary DistributionSwitchgearCatalog HA 45.31: 8DJ20 Secondary DistributionSwitchgearCatalog HA 41.11: 8DH10 SwitchgearSiemens HA40.1 2005 3Switchgear Types 8DJ and 8DH for Secondary Distribution Systems up to 24 kV (General Part), Gas-Insulated8DJ secondary distribution switchgearin block-type construction, non-extendableProduct Range8DH switchgear in panel-typeconstruction, extendable and modularR-HA45-119bepsR-HA45-100bepsR-HA40-006epsR-HA40-004epsR-HA40-005epsR-HA40-007eps8DJ20 switchgear Overall heights 1200,1400 and 1760 mm High cable connection For cable T-plugs Detachable lever mechan. Option: rotary operatingmechanism Option: f. outdoor enclos.Typical uses Substations with controlaisles Compact substations,substations by pavements Tower base substations 7.2 to 24 kV Up to 25 kA8DJ10 switchgear Overall heights1360 and 1650 mm For cable T-plugs Extremely narrowdesign Block versionsup to 6 versions Detachable levermechanism On request: rotaryoperating mechanismTypical uses Substations withcontrol aisles Compact substations Tower substations/basement substations 7.2 to 24 kV Up to 25 kAExample:scheme 10 (width 710 mm)Example:scheme 10 (width 1060 mm)8DJ30 switchgear Special versionup to 12 kV Overall heights1200 and 1700 mm Compact design Conventional cableconnection Detachable levermechanism Option: for straightcable plugsTypical uses Compact substationswith minimal dimen-sions Up to 12 kV Up to 25 kAExample:transfer substationwith a 20 kV infeedExample:scheme 10 (width 920 mm)8DH10 switchgear Overall height 1400 mm,with low-voltage compartment 2000 mm Circuit-breaker panels Switch-disconnector panelswith/without HV HRC fuses Metering panels Bus sectionalizer panels (coupling) For cable T-plugs Detachable lever mechanism No gas work during assemblyor extension on-siteTypical uses Utilities customer transfer substations Industrial distribution systems Distribution substations Feeder currents up to 630 A Busbar currents up to 1250 A 7.2 to 24 kV Up to 25 kAR-HA40-010cepsR-HA41-013beps4 Siemens HA40.1 2005Siemens HA40.1 2005 5Switchgear Types 8DJ and 8DH for Secondary Distribution Systems up to 24 kV (General Part), Gas-InsulatedElectrical dataOverviewRated voltage 7.2 to 24 kVRated lightning Up to 125 kVimpulse withstandvoltageRated short-time Up to 25 kAwithstand currentRated normal Up to 630 Acurrent of feedersRated normal Up to 1250 A 1)current of busbar Up to 630 A 2)Rated short-circuit Up to 63 kAmaking currentFor further technical data refer to pages 6 to 81) For 8DH switchgear2) For 8DJ secondary distribution switchgearR-HA40-013epsUtilities customertransfer substationUtilities distributionsubstation, industrial plantR-HA40-056epsR-HA40-055epsFurther utilities substationsTechnical Data6 Siemens HA40.1 2005Switchgear Types 8DJ and 8DH for Secondary Distribution Systems up to 24 kV (General Part), Gas-InsulatedElectrical data of the switchgear*The rated normal currents apply toambient temperatures of max. 40 C.The 24-hour mean value is max. 35 C(acc. to IEC 60 694 / VDE 0670-1000,standards see page 29).Technical Data8DJ10 secondary distribution switchgearRated insulationlevelRated voltage UrkV 7.2 12 15 17.5 24Rated short-duration power-frequency kVwithstand voltage Ud20 28 36 38 50Rated lightning impulse withstand volt. UpkV 60 75 95 95 125Rated frequencyfr50/60 HzRated normalcurrent Ir*for feeders up to 400 A or up to 630 Afor busbar up to 630 ARated short-timewithstandcurrent Ikfor switchgear with tk = 1 s up to kA 25 25 25 25 20for switchgear with tk = 3 s (option) kA 20 20 20 20 20Rated peak withstand current Ipup to kA 63 63 63 63 50Rated short-circuit making current Imaup to kA 63 63 63 63 50Ambient temperature T 40 up to +70 oC8DJ20 secondary distribution switchgearRated insulationlevelRated voltage UrkV 7.2 12 15 17.5 24Rated short-duration power-frequency kVwithstand voltage Ud20 28 36 38 50Rated lightning impulse withstand volt. UpkV 60 75 95 95 125Rated frequency fr50/60 HzRated normalcurrent Ir*for feeders up to 400 A or up to 630 Afor busbar up to 630 ARated short-timewithstandcurrent Ikfor switchgear with tk = 1 s up to kA 25 25 25 25 20for switchgear with tk = 3 s (option) kA 20 20 20 20 20Rated peak withstand current Ipup to kA 63 63 63 63 50Rated short-circuit making current Imaup to kA 63 63 63 63 50Ambient temperature T 40 up to +70 oC8DJ30 secondary distribution switchgearRated insulationlevelRated voltage UrkV 7.2 12Rated short-duration power-frequency kVwithstand voltage Ud20 28Rated lightning impulse withstand volt. UpkV 60 75Rated frequency fr50/60 HzRated normalcurrent Ir*for feeders up to A 630 630for busbar up to A 630 630Rated short-time withstand current Ikup to kAfor switchgear with tk = 1 s25 20Rated peak withstand current Ipup to kA 63 50Rated short-circuit making current Imaup to kA 63 50Ambient temperature T 40 up to +70 oC8DH10 switchgearRated insulationlevelRated voltage UrkV 7.2 12 15 17.5 24Rated short-duration power-frequency kVwithstand voltage Ud20 28 36 38 50Rated lightning impulse withstand volt. UpkV 60 75 95 95 125Rated frequencyfr50/60 HzRated normalcurrent Ir*for feeders up to 400 A or up to 630 Afor busbar up to 630 A or up to 1250 ARated short-timewithstandcurrent Ikfor switchgear with tk = 1 s up to kA 20 25 20 25 20 25 20 25 20for switchgear with tk = 3 s (option) kA 20 20 20 20 20Rated peak withstand current Ipup to kA 50 63 50 63 50 63 50 63 50Rated short-circuit making current Imaup to kA 50 63 50 63 50 63 50 63 50Ambienttemperature Twithout secondary equipment 40 up to +70 oCwith secondary equipment 5 up to +55 oCPressure values at 20 CRatedfilling pressure prefor insulation1500 hPa(absolute)Minimumoperating pressure pmefor insulation1300 hPa(absolute)Filling pressureSiemens HA40.1 2005 7Switchgear Types 8DJ and 8DH for Secondary Distribution Systems up to 24 kV (General Part), Gas-Insulated1) Depending on the HV HRCfuse link2) Depending on the cut-offcurrent of the HV HRC fuse* Higher values of electrical data available upon request.The rated values of the switchgear are decisive inaccordance with the relevant switchgear type.See relevant product catalogs.** Indications in parenthesis acc. to previous standards.Three-position switch-disconnectorRated voltage UrkV 7.2 12 15 17.5 24Rated insulation levelRated short-duration power-frequency withstand volt. UdkV 20 28 36 38 50Rated lightning impulse withstand voltage UwkV 60 75 95 95 125Rated frequency frHz 50/60 50/60 50/60 50/60 50/60Rated normalcurrent forring-main feeders IrA 400, 630 400, 630 400, 630 400, 630 400, 630transformer feeders 1)IrA 200 200 200 200 200Rated short-timewithstand currentfor switchgear with tk = 1 s Ikup to kA 25 25 25 25 20for switchgear with tk = 3 s IkkA 20 20 20 20 20Rated peak withstand current Ipup to kA 63 63 63 63 50Rated short-circuitmaking current fortransformer feeders 2)ImakA 25 25 25 25 25ring-main feeders Imaup to kA 63 63 63 63 50Mechanical stability (class M1) No. of operating cycles 1000 1000 1000 1000 1000Switching capacity of general-purpose switches (class E3)Test duty 1Rated mainly activefor 100 switching operations I1A 630 630 630 630 630load breaking currentfor 20 switching operations I1A 31.5 31.5 31.5 31.5 31.5Test duty 2a Rated closed-loop breaking current I2aA 630 630 630 630 630Test duty 3 Rated transformer breaking current I3A 40 40 40 40 40Test duty 4a Rated cable-charging breaking current I4a (ICor I6)** A 68 68 68 68 68Test duty 4b Rated line-charging breaking current I4bA 68 68 68 68 68Test duty 5 Rated short-circuit making current Imaup to kA 63 63 63 63 50Test duty 6a Rated earth-fault breaking current I6a (Ie)** A 60 60 60 60 60Test duty 6b Rated cable-charging breaking current and line- I6bAcharging breaking current under earth-fault conditions (HJ 3vICL)**35 35 35 35 35 Cable-charging breaking current under IL+ HJ 3vICLAearth-fault conditions with superimposed load current630+50 630+50 630+50 630+50 630+50Switching capacity for switch-disconnector / fuse combinationRated transfer current I4A 1150 1150 830 830 830Make-proof earthing switch (earthing function of the three-position switch-disconnector)Rated voltage UrkV 7.2 12 15 17.5 24Rated short-circuit making current Imaup to kA 63 63 63 63 50Rated short-time withstand current Ikup to kA 25 25 25 25 203AH5 vacuum circuit-breakerRated voltage UrkV 7.2 12 15 17.5 24Rated insulationlevelRated short-duration power-frequency withstand volt. UdkV 20 28 36 38 50Rated lightning impulse withstand voltage UpkV 60 75 95 95 125Rated frequency frHz 50/60 50/60 50/60 50/60 50/60Rated normal current of feeders IrA 400, 630 400, 630 400, 630 400, 630 400, 630Rated short-time withstand current Ikup to kA 25 25 25 25 20Rated short-circuit duration tks 3 3 3 3 3Rated peak withstand current Ipup to kA 63 63 63 63 50Rated short-circuit breaking current Iscup to kA 25 25 25 25 20Rated short-circuit making current Imaup to kA 63 63 63 63 50Electrical service life at rated normal current 10000 operating cyclesElectrical data* of the switching devices (for standards refer to page 29)Technical DataHA40-2010b eps