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siemens.com/mediumvoltage

Totally Integrated Power

Reliable Solutionfor Power DistributionAir-Insulated Medium-Voltage Switchgear: Cost-Efficient, Sustainable and Safe


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Contents

Air-insulated medium-voltage switchgear from Siemens 3

The powerful centerpiece of your medium-voltage grid 4

A class of itself 6

Portfolio overview 10

Selection matrix 11

NXAIR family 12

8BT family 13

NXAIR S family 14

NXAIR, 8BK80 switchgear 15

GM family 16

SIMOVAC-NAR, SIMOVAC-AR switchgear 17


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A reliable, highly available, and flexible power supply for indus-

trial plants as well as for buildings and facilities forms the basisfor both industrial processes and infrastructure solutions. Thesolution from Siemens is Totally Integrated Power (TIP), our com-prehensive power supply portfolio with software and hardwareproducts, complete systems for power supply across all voltagelevels, as well as energy management solutions. TIP is closelyconnected with the industrial and building automation systems,enabling integration into the companys IT systems. In this way,it is possible to fully exploit the entire optimization potential ofan integrated solution. TIP satisfies even the highest require-ments of supply-critical plants. Our portfolio is completed bycomprehensive support throughout the entire lifecycle, fromplanning to maintenance.

Totally Integrated Power (TIP) we bring power to the point.

Proven technology fordemanding tasks

Cost-efficiency

Due to modular design anduse of maintenance-freecircuit-breakers

Security High personal and operationalsafety due to interlocks andreliable components

Flexibility The suitable function for everyrequirement

Reliability Highest level of service conti-nuity in power supply due tomaintenance-free design and along service life

Everything from a singlesourceFrom planning and installationto commissioning and after-sales service

ConsistencySimple system integrationtogether with transformers,low-voltage switchboards andautomation systems bySiemens


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Flexibility, reliability, maximum personal

safety, and low costs for operation andmaintenance: Air-insulated medium-volt-age switchgear from Siemens is the idealsystem for the primary distribution level inindustry, for infrastructure solutions andfor utilities.

As a globally leading technology company,we are also fostering the development ofair-insulated switchgear today, offering allswitchgear with type tests according toIEC 62271-200, ANSI/IEEE C37.20.2, IS (In-dia) and/or GB/DL (China). Environmentallycompatible, sustainable and especiallysafe, this switchgear can be easily inte-grated in higher-level control and protec-tion or energy management systems, or inSmart Grids.

The powerful centerpieceof your medium-voltage grid

Security for utilitiesOur air-insulated medium-voltage switchgear combineshigh personal and operational safety with excellent costef ciency: Maintenance-free vacuum circuit-breakers and

easily replaceable withdrawable parts reduce downtimesand increase availability. We produce our switchgearworldwide at various locations also close to you. Thus,we can integrate local know-how into our switchgearaccording to the different requirements from country tocountry.

Cost ef ciency for the chemical industryUninterrupted power supply, also under aggressiveatmosphere, is indispensable for the chemical industry toguarantee stable processes. This is a task for our reliableair-insulated medium-voltage switchgear. The advantage:Secure supply of large consumers and low-voltage

switchboards ensures long-term system availability andsecurity of investment throughout the entire life cycle.

High availability for the automobile industryGlobally operating automobile manufacturers need highly

exible, pro table and maximally available productionlines, as every minute of standstill of the belt causes highcosts. Therefore, a reliable power distribution is crucial forsuccess. For our air-insulated medium-voltage switchgear,maintenance-free vacuum circuit-breakers and mainte-nance intervals of more than ten years provide optimumavailability values.


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In addition, modular design and standardized elementsllow for the quick replacement of individual componentsas well as easy extension, for example during the modern-ization f your production.

Secure supply in the data centerData centers belong to the largest energy consumersworldwide. For this purpose, maximum availability isrequired and therefore reliable power supply around theclock. Faults or breakdowns for sure mean interruptions ofoperation and data loss as well as unforeseeable

nancial consequences. Our well-proven air-insulatedmedium-voltage switchgear provides a secure and reliablesupply of your data center, allowing integration in moderninfrastructure thanks to its compact design.

Hardest conditions in the oil and gas industry

The global demand for oil and gas continues increasing,but new deposits are found more and more in rough,harsh regions of the Arctic Zone or in deep sea. Offshoreplatforms require vibration- and shock-tested switchgearwith a high degree of protection. Therefore, the require-ments on power supply are even higher. Thanks to themaintenance-free vacuum circuit-breakers and contactorsand the modular, solid design, air-insulated medium-volt-age switchgear from Siemens is an important componentfor smooth and cost-ef cient operation without expensivedowntimes.

Cost-ef cient production processes in miningapplications or in the metal industryAlso in mining applications and in the metal industry, safeand reliable, highly available power supply is indispens-

able: High currents, e.g. for the supply of electric arcfurnaces, and a large number of operating cycles aretypical. Our especially safe air-insulated medium-voltageswitchgear meets these requirements with its mainte-nance-free switching devices, also used as increased-frequency circuit-breakers with a large number of operat-ing cycles, and the maintenance-friendly withdrawabledesign as well as a high short-time withstand current.

Reliable in the paper and pulp industryIncreasing cost pressure in aggressive competition,highest demands on quality and availability powersupply in the paper industry must reliably accomplish

complex tasks. Air-insulated switchgear from Siemenssupports you in this, delivering electricity in the range of ahundred megawatt hours safely, reliably and cost-ef -ciently to the different consumers at peak load.

In other branches such as the food and beverage industry,air-insulated switchgear from Siemens puts energy underyour control. Allow yourself to be convinced of thebene ts of air-insulated medium-voltage switchgear.


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At a time of growing cost and performance pressure it is even moreimportant to decide on the right technology, above all because switchgearrepresents an investment for the next decades.

Therefore, the profile of our air-insulated medium-voltage switchgearis clear: A maximum degree of safety, reliability and availability. In this

way, our well-proven technology enables cost-efficient and reliableoperation, and also fully exploits its strengths regarding sustainability,because air-insulated switchgear is environmentally neutral.

A class of itself


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Impressive advantagesSecurity of operationAir-insulated switchgear from Siemens is type-tested andful lls the standards IEC 62271-200 and/or ANSI/IEEE, IS orGB/DL. Most modern production processes and qualitystandards provide for reliable operation of the switchgear.

For us, optimum security of operation starts with functionssuch as the veri cation of the making and breakingcapacity of the circuit-breaker and earthing switch inte-grated in the panel, and even with the veri cation of thecon nement of an internal arc to the respective compart -ment, depending on the switchgear type.

Measures taken to meet the requirements regarding theoptimum degree of protection, as well as a modular designand the use of standardized components allow for uninter-rupted operation and a sustainable increase of productivity.

Personal safetyEvery air-insulated switchgear from Siemens for the IECmarket is approved with internal arc classi cation IAC A

FLR, and with loss of service continuity category LSC 2B orLSC 2A depending on the switchgear type, as well as withpartition class PM. According to ANSI/IEEE, the comparableclassi cations metal clad and arc fault tested areguaranteed for this switchgear. This makes it suitable foruniversal installation, satisfying the highest requirementsregarding personal safety.

The safety concept is completed with a comprehensivelogical mechanical interlocking system which protectsagainst maloperation. All switching operations are possibleonly with closed high-voltage door, on which unambiguousposition indicators and control elements support safeoperation.

In this way, air-insulated switchgear from Siemens offers awell-proven, safe design with vacuum circuit-breakers orcontactors and racking of the switching-device truck withclosed high-voltage door, as well as a high degree ofstandard protection, metal enclosure and earthed shuttersand partitions.

Cost-ef cientA service life of more than 30 years not only optimizes theenergy balance, but also makes our air-insulated switch-gear a cost-ef cient investment. The compact design of ourair-insulated medium-voltage switchgear and the use ofthe vacuum switching devices pays off twice for you. Onthe one hand, building costs are reduced due to minimumspace requirements, and on the other hand, the mainte-nance-free design of the switching devices enables largelycontinuous operation without expensive downtimes.

In addition, the modular and withdrawable design of ourswitchgear accelerates repairs, e.g. by means of withdraw-able vacuum circuit-breakers or vacuum contactors.Well-accessible cable connections reduce the assemblytimes and save installation costs. Cable testing can be doneeasily and quickly without isolating the busbar.

ReliableIntelligent

Cost ef cient

Sustainable

CompactPersonal safety

Security of operation

Security of operationSustainable

Intelligent

Personal safety

S u s t a i n a b l e

Sustainable

C o m p a c t

Personal safetyIntelligent

Compact

Cost ef cientSecurity of operation

Cost efficient

Intelligent Cost efficientSustainable

Personal safety

S e c u r i t y o f o p e r a t i o n

Sustainable

Intelligent

Personal safety

Security of operation C o m p a c t

Compact


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IntelligentToday, medium-voltage switchgear must not just offer safeand reliable power distribution. In times of energy ef cien -cy and Smart Grids, it also has the task to acquire andtransmit measured values and data about actual statesfrom the panel level, in order to enable their evaluation in ahigher-level control center.

For this purpose, our switchgear can be equipped withbuilt-in telecontrol units; integration in control andprotection systems and Smart Grids can be implementedvia several protocols (such as IEC 61850, PROFIBUS,MODBUS, DNP).

Depending on the level of the Smart Grid functionality,more bene ts result, such as high availability, fast localiza -tion of faults, early detection of overload situations, safeoperational management. Moreover, load characteristicscan be recorded and used for optimal planning of gridexpansions.

SustainableThe great advantage of air-insulated medium-voltageswitchgear: The insulating medium air is available alwaysand everywhere, without further technical efforts, such as

for example gas pressure monitoring.This switchgear concept has been well-proven for decades,and represents the most environmentally compatiblesolution for medium-voltage switchgear: If there is no needto use special insulation gases, those cannot escape either;not to mention the contribution to the greenhouse effect.

ReliableDevelopment and production of our air-insulated medium-voltage switchgear is done worldwide based on the samehigh quality and environmental standards. Thereby, ourcustomers bene t from the most modern tools in develop -ment and production, which allow for maximum qualityand reliability of the systems.

An example for this is the consequent use of 3D-CADsoftware, which transfers your data directly from thepurchase order through the design department to theproduction, in order to become a switchgear ready foroperation within a short time.

Of course, the high quality of our air-insulated switchgearis ensured in our highly-modern, accredited testing andexperimental laboratories. Besides type and routine tests ofthe individual type series, a quality assurance systemaccording to DIN EN ISO 9001, 12001 and 14001 accompa -nies the process. Our testing laboratories range among thelargest in the world, and have the status of independenttesting institutes because of their af liation to PEHLA andDAR.


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Local creation of value country-speci c exibilityOur air-insulated medium-voltage switchgear type series isdeveloped and manufactured by international teams inthe different regions of the world, with a regular ex-change of information. In this way we do not onlysafeguard the local know-how for the different require-ments from country to country, but also the transfer ofexperiences from other locations.

All production processes are documented in a comprehen-sible way in order to reach the quality level our customerscan expect in a fast, secure and reproducible way.

Reliable support on siteOur experts support you worldwide, and advise you, asour customer, to develop optimum solutions for yourpower distribution grid. In this context you will bene t, forexample, not only from our know-how in project manage-ment and our nancial services, but also from ourexperienced customer account managers, who considerall relevant aspects to the topics safety, logistics andenvironmental protection in their quotation.

Especially in the planning phase, our experts from TotallyIntegrated Power (TIP) will accompany you with profes-sional consulting, software tools, speci cation texts andplanning manuals.


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Portfolio overview Your region, your requirements and the matching solution from Siemens.

At the same time, our matrix is your guide to the right air-insulated medium-voltage switch-gear from Siemens. In accordance with the relevant IEC, GB/DL or ANSI standards you willfind the suitable offer to your requirements at one glance by selecting the appropriate com-bination of busbar system, as well as the basic electrical parameters.

10

Secondarydistribution level

Primarydistribution level

Transmission level, generation level, high-voltage grid

Low-voltage grid

M e d i u m - v

o l t a g e g r i d


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Selection matrix Electrical data (max.) Page

Standard Dis tribution level Busbarsystem

Switchgeartype

Ur

[kV]

Ik

[kA]

Ibusbar Ifeeder

7.2 12 15 17.5 24 27.5 36 40.5 20 25 31.5 40 50 63[A] [A]

IEC Primarydistribution level

Single NXAIR 4000 4000 12

NXAIR 4000 4000 12

NXAIR 2500 2500 12

8BT1 2000 2000 13

8BT2 3150 3150 13

IEC, IS NXAIR 4000 4000 15

8BK80 3150 2500 15


Double NXAIR 4000 4000 12

IEC,GB/DL


Single NXAIR S 4000 4000 14

3150 3150 14

3150 2500 14

Selection matrix Electrical data (max.) Page

Standard Distributionlevel

Busbarsystem

Switchgeartype

Ur[kV]

Ik[kA]

Ibusbar

[A]

Ifeeder

[A]

7.2 13.8 15.0 27.6 38 40.5 20 25 31.5 40 50 63

ANSI/IEEE Primarydistributionlevel

Single GM-SG 4000 4000 16

GM38 2500 2500 16

SIMOVAC 4000 720 17


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Circuit-breaker panel Circuit-breaker panel Circuit-breaker panel

NXAIR 17.5 kV, 40 kA NXAIR 17.5 kV, 50 kA NXAIR 24 kV, 25 kA

NXAIR familyHigh-end technology in best form

Technical features NXAIR NXAIR NXAIR

Rated values up to 17.5 kV, 40 kA, 3 s 17.5 kV, 50 kA, 3 s 24 kV, 25 kA, 3 s

Busbar current up to 4000 A 4000 A 2500 A

Feeder current up to 4000 A 4000 A 2500 A

Busbars Single busbar Single busbar Single anddouble busbar

Insulation Air-insulated

Type of switchgear Factory-assembled, type-tested, metal-enclosedswitchgear according to IEC 62271-200Modular and extendable

Classi cation according to IEC 62271-200

Partition class PM

Loss of service continuitycategory

LSC 2B

Accessibility to compartments Busbar compartment: Tool-based

Switching-devicecompartment:

Interlock-controlled

Cable compartment: Interlock-controlled or tool-based

Internal arc classi cation IAC A FLR 40 kA, 1 s IAC A FLR 50 kA, 1 s IAC A FLR 25 kA, 1 s

Dimensions

Panel width 435 mm, 600 mm,800 mm, 1000 mm

435 mm, 800 mm,1000 mm

800 mm, 1000 mm

Panel height 2300 mm 2500 mm 2560 mm

Panel depth 1350 mm, 1400 mm,1500 mm, 1540 mm

1650 mm 1600 mm

For further information, see catalog HA 25.71

Product range (in excerpts)


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8BT familyCompact design and simple construction

Technical features 8BT1 8BT2

Rated values up to 24 kV, 25 kA, 3 s 36 kV, 31.5 kA, 3 s

Busbar current up to 2000 A 3150 A

Feeder current up to 2000 A 3150 A

Busbars Single busbar




Partition class PM / PI1) PM

Loss of s ervice continuitycategory

LSC 2A LSC 2B




Cable compartmentfrom the front:


Internal arc classi cation IAC A FLR 25 kA, 1 s IAC A FLR 31.5 kA, 1 s

Dimensions

Panel width 600 mm, 800 mm, 1000 mm 1200 mm

Panel height 2300 mm 2400 mm

Panel depth 1410 mm 2450 mm (FL), 2700 mm (FLR)

For further information, see catalog 8BT1, HA 26.31, and catalog 8BT2, HA 26.41

8BT2

8BT1

Circuit-breaker panel Switch-disconnector panel Circuit-breaker panel

8BT1 24 kV, 25 kA 8BT2 36 kV, 31.5 kA


1) PI for switch-disconnector panel


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Circuit-breaker panel Circuit-breaker panel Circuit-breaker panel

NXAIR S 12 kV, 40 kA NXAIR S 24 kV, 31.5 kA NXAIR S 40,5 kV, 31.5 kA

Technical features NXAIR S NXAIR S NXAIR S

Rated values up to 12 kV, 40 kA, 4 s 24 kV, 31.5 kA, 4 s 40,5 kV, 31.5 kA, 4 s

Busbar current up to 4000 A 3150 A 3150 A

Feeder current up to 4000 A 3150 A 2500 A



Type of switchgear According to GB 3906-2006, DL 404Modular and extendable

Classi cation according to GB 3906-2006, DL 404, IEC 62271-200

Partition class PM

Loss of service continuitycategory

LSC 2B




Cable compartment: Interlock-controlled ortool-based

Internal arc classi cation IAC A FLR 40 kA, 1 s IAC A FLR 31.5 kA, 1 s IAC A FLR 31.5 kA, 1 s

Dimensions

Panel width 650 mm, 800 mm,1000 mm

1000 mm 1200 mm, 1400 mm

Panel height 2200 mm 2620 mm 2800 mm, 3010 mm

Panel depth 1350 mm, 1500 mm 1810 mm 2650 mm

For further information, see catalog 1719-D909007-0213X for NXAIR S 12 kV,1735-D909014-06131 for NX AIR S 24 kV

NXAIR S familyHigh-end technology in best form for the Chinese market


NXAIR S 12 kV

NXAIR S 24 kV


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NXAIR, 8BK80 switchgearDesigned for local applications

8BK80

NXAIR

Circuit-breaker panel Circuit-breaker panel

NXAIR 12 kV, 40 kA 8BK80 36 kV, 31.5 kA


Technical features NXAIR 8BK80








Partition class PM

Loss of s ervice continuitycategory

LSC 2B




Cable compartment: Tool-based

Internal arc classi cation IAC A FLR 40 kA, 1 s IAC A FLR 31.5 kA, 0.1 s

Dimensions

Panel width 600 mm, 800 mm,1000 mm

1000 mm

Panel height 2300 mm 1700 mm

Panel depth 1350 mm,1500 mm,

1540 mm

2620 mm

For further information see catalogs NXAIR and 8BK80


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GM familyFlexibility is their strength

GM38

GM-SG

Circuit-breaker panel Circuit-breaker panel

GM-SG 15 kV, 63 kA GM38 38 kV, 31.5 kA


Technical features GM-SG GM38






Type of switchgear Factory-assembled, type-tested, metal-enclosedswitchgear according to ANSI/IEEE C 37.20.7Modular and extendable

Classi cation according to ANSI / IEEE C 37.20.7

Internal arc classi cation Resistant to internal arcing Resistant to internal arcing

Dimensions

Panel width 914 mm (36.0) 1219 mm (48.0)

Panel height 2419 mm (95.3) 2794 mm (110.0)

Panel depth 2507 mm (98.7) 3302 mm (130.0)

For further information, see catalog GM38, IC0001-F320-A131-X-4A00 andcatalog GM-SG IC1000-F320-A101-X-4A00


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SIMOVAC-NAR*, SIMOVAC-AR*Medium-voltage motor control center

SIMOVAC

Contactor panel

SIMOVAC 13.8 kV, 63 kA


Technical features SIMOVAC-NAR SIMOVAC-AR

Rated values up to 13.8 kV, 63 kA, 2 s 13.8 kV, 63 kA, 2 s



Busbars

Insulation

Type of switchgear Factory-assembled, type-tested, metal-enclosedswitchgear according to ANSI/IEEE C 37.20.7Modular and extendable as individual panels

Classi cation according to ANSI / IEEE C 37.20.7

Internal arc classi cation Not resistant to internal arcing Type 2B

Dimensions

Panel width 915 mm (36) 914 mm (36)

Panel height 2286 mm (90.0) 2845 mm (112)

Panel depth 762 mm (30.0) 1029 mm ( 40.5)

For further information, see catalog SIMOVAC, IC1000-F320-A144-V2-4A00

* NAR = Non Arc Fault testedAR = Arc Fault tested


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2015 Siemens. All rights reserved. The information provided in this brochure containsdescriptions or characteristics of performance whichin case of actual use do not always apply as describedor which may change as a result of further developmentof the products. An obligation to provide the respectivecharacteristics shall only exist if expressly agreed in theterms of contract.

Siemens AGEnergy Management Medium Voltage & SystemsMozartstr. 31 C 91052 Erlangen, Germany

www.siemens.com/mediumvoltage

For more information,please contact our

Customer Support Center.Phone: +49 180 524 7000 Fax: +49 180 524 2471(Charges depending on provider)

E-mail: [email protected]

Order No.: EMMS-B10008-00-7600 Printed in Germany07.15 2.0 |1400/68203Subject to change

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