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TBS | Catalogue 2010/2011
Transient voltage andlightning protection systems
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Welcome to Customer Service
Service telephone: +49 (0)2373 89-1500
Telefax for enquiries: +49 (0)2373 89-7777
Telefax for orders: +49 (0)2373 89-7755
E-mail: [email protected]
Internet: www.obo.de
Use the direct line to OBO Cus-tomer Service! On the Service Hot-line +49 (0)2373 89-1500, we areavailable every day from 7.30 am -to 5.00 p.m. for any questionsabout the OBO product range forelectrical installations. The newlystructured OBO Customer Servicecan offer you the full service:
• Competent contacts from yourregion
• All the information on the OBOproduct range
• Knowledgeable advice on spe-cial application topics
• Quick, direct access to all thetechnical data of the OBOproducts – we also want toprovide the best in customerrelations!
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Contents
Planning aids 5
Surge protection energy technology, arrestor, Type 1 117
Surge protection energy technology, arrestor, Type 1+2 127
Surge protection energy technology, arrestor, Type 2 151
Surge protection energy technology, arrestor, Type 2+3 175
Surge protection energy technology, arrestor, Type 3 187
Sure protection, photovoltaics 199
Data and information technology 213
Protection and spark gaps 249
Measuring and test systems 253
Equipotential bonding systems 257
Earthing systems 269
Interception and arrestor systems 287
Directories 337
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OBO TBS seminars: First-handknowledgeWith a comprehensive programmeof training courses and seminarson the subject of surge voltageand lightning protection systems,OBO is able to support its cus-tomers with specialist knowledgefrom a single source. Alongsidethe basic theoretical principles, theprogramme also deals with practi-cal implementation in everyday ap-plications. Special calculation andapplication examples round off thecomprehensive programme ofknowledge transfer.
Invitations to tender, product in-formation and datasheetsWe can make life easier for you:With our comprehensive selectionof materials designed for practicalapplications, which provide youwith effective support with theplanning and calculation of aproject. These include: • Invitations to tender• Product information• Information sheets• DatasheetsThese documents are continuallyupdated and can be downloadedat no charge at any time from theInternet download area atwww.obo.de.
Invitations to tender on the Inter-net at www.ausschreiben.deMore than 10,000 entries from theKTS, BSS, TBS, LFS, EGS andUFS ranges can be called up freeof charge. Regular updates andexpansions mean that you alwayshave a comprehensive overview ofthe OBO products. All the currentfile formats – PDF, DOC, GAEB,HTML, TEXT, XML, ÖNORM – areavailable.www.ausschreiben.de
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Contents, planning aids
Basic principles of surge voltage protection 6
Surge protection energy technology 19
Sure protection, photovoltaics 27
Surge protection of data and information technology 39
Protection and spark gaps 59
Measuring and test systems 63
Equipotential bonding systems 67
Earthing systems 71
Interception and arrestor systems 77
Additional information 108
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Minor cause, major effect: Damage caused by surge voltages
Our dependency on electrical andelectronic equipment continues toincrease, in both our professionaland private lives. Data networks incompanies, for auxiliary equipmentin hospitals and fire departmentsfor example, are vital for the realtime transfer of information thathas long since been indispens-able. Sensitive databases, e.g. inbanks or media publishers, needreliable transmission paths. It isnot only lightning strikes that posea latent threat to these systems.More and more frequently, today'selectronic aids are damaged bysurges caused by remote lightningdischarges or switching operationsin large electrical systems. Duringthunderstorms, too, high volumesof energy are instantaneously re-leased. These voltage peaks canpenetrate a building through all -manner of conductive connectionsand cause enormous damage.
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What are the consequences ofdamage caused by surges in ourdaily lives?The most obvious one is the de-struction of electrical equipment. Inprivate households, these arespecifically: • TV/entertainment systems• Telephone system• Computer systems, stereo sys-
tems• Kitchen appliances• Monitoring systems• Fire alarm systemsThe failure of such equipment cer-tainly incurs great expense. Whathappens when the following sufferoutage times/ and the possibleconsequential damage: • Computers (loss of data),• Heating/hot water systems,• Lift, garage door and roller
shutter drives,• Triggering or destruction of
fire/burglar alarm systems(costs from a false alarm)?
A vital topic perhaps, particularly in
office buildings, because:• Can work continue in your
company without a centralcomputer/server?
• Was all the important databacked up "in time"?
Growing sums of damageCurrent statistics and estimates ofinsurance companies show: Dam-age levels caused by surges − ex-cluding consequential or outagecosts − long since reached drasticlevels due to the growing depen-dency on electronic "aids". It's nosurprise, then, that property insur-ers are checking more and moreclaims and stipulating the use ofdevices to protect against surges.Information on protection mea-sures is contained, e.g. in DirectiveVDS 2010.
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Creation of lightning discharges
Creation of lightning discharges: 1 = approx. 6,000 m, approx. −30 °C, 2 = approx. 15,000 m, approx. −70 °C
Discharge typesSome 90% of all lightning dis-charges between a cloud and the -ground are negative cloud-earthstrikes. The lightning begins in anegatively charged area of thecloud and spreads to the positivelycharged surface of the earth. Addi-tional discharges are divided into: • Negative earth-cloud strikes• Positive cloud-earth strikes• Positive earth-cloud strikes.The most common discharges ac-tually occur within a cloud or be-tween different clouds.
Creation of lightning dischargesWhen warm, damp air massesrise, the air humidity condensesand ice crystals are formed at -great heights. Storm fronts can oc-cur when the clouds expand toheights of up to 15,000 m. Thestrong upwind of up to 100 kilo-metres per hour causes the lightice crystals to enter the higherarea and the sleet particles enterthe lower area. Knocks and frictioncause electrical discharge.
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Load distributionTypical load distribution:• Positive at the top, negative in
the centre and weakly positiveat the bottom.
• Positive charges can also befound in the area near the -ground.
• The field strength required totrigger lightning is dependenton the insulating ability of theair and is between 0.5 and 10kV/cm.
Charge distribution: 1 = approx. 6,000 m, 2 = Electrical field
Negative and positive charges: 1 = Sleet, 2 = Ice crystals
Negative and positive chargesStudies have proved that the sleetfalling down (area warmer than−15 °C) has a negative chargeand the ice crystals being thrownupwards (area colder than −15°C) has a positive charge. Thelight ice crystals are carried intothe upper areas of the cloud bythe upwind and the sleet falls tothe central areas of the cloud. Thisdivided the clouds into the threeareas: • Top: Positively charged zone• Centre: Weakly negative
charged zone• Bottom: Weakly positive
charged zoneThis separation of charges forms avoltage in the cloud.
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What are transient surges?
Transient surge voltages: 1 = Voltage drops/short interruptions, 2 = Harmonic waves due to slow and fast voltage changes, 3 = Temporary voltage in-creases, 4 = Switching surges, 5 = Lightning surges
Transient surge voltages are briefvoltage peaks lasting microsec-onds, which may be a multiple ofthe attached mains nominal volt-age.
The largest voltage peaks in thelow-voltage consumer network arecaused by lightning discharges.The high energy content of light-ning surges when a direct strikehits the external lightning protec-tion system or a low-voltage open-wire line usually causes − withoutinternal lightning and surge protec-tion − total outage of the connect-ed consumers and damage to theinsulation. Yet induced voltagepeaks in building installations and
energy or data cable supply ca-bles can also reach many timesthe nominal operating voltage.Switching surges, too, which infact do not cause such high volt-age peaks as lightning dischargesbut occur much more frequently,can result in immediate systemfailure. As a rule, switching surgesamount to twice to three times theoperating voltage, lightning surges,on the other hand, can sometimesreach 20 times the nominal volt-age value and transport a high en-ergy content. Often, failures occuronly after a time delay as the ag-ing process of electronic compo-nents in the affected devices trig-gered by smaller transient surges
causes insidious damage. A num-ber of different protection mea-sures are required. These dependon the exact cause and/or impactpoint of the lightning discharge.
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What pulse forms are there?
Pulse types and their characteristics: Yellow = pulse shape 1, direct lightning strike, 10/350 µs simulated lightning pulse, red = pulse shape 2, remotelightning strike or switching operation, 8/20 µs simulated lightning pulse (Surge)
High lightning currents can flow tothe ground during a storm. If abuilding with external lightning pro-tection receives a direct hit, a volt-age drop occurs on the earthingresistor of the lightning protectionequipotential bonding system,which represents a surge voltageagainst the distant environment.This rise in potential poses a threatto the electrical systems (e.g. volt-age supply, telephone systems,cable TV, control cables, etc.) thatare routed into the building.Suitable test currents for testingdifferent lightning and surge pro-tectors have been defined in na-tional and international standards.
Direct lightning strike: Pulseshape 1Lightning currents that can occurduring a direct lightning strike canbe imitated with the surge currentof wave form 10/350 µs. The light-ning test current imitates both thefast rise and the high energy con-tent of natural lightning. Lightningcurrent arrestor Type 1 and exter-nal lightning protection compo-nents are tested using this current.
Remote lightning strikes orswitching operations: Pulseshape 2The surges created by remotelightning strikes and switching op-erations are imitated with test im-pulse 8/20 µs. The energy contentof this impulse is significantly low-er than the lighting test current ofsurge current wave 10/350 µs.Surge arrestor Type 2 and Type 3are impacted with this test im-pulse.
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Causes of lightning currents
Direct lightning strike into a low-voltage open-wire lineA direct lightning strike into a low-voltage open wire line or data ca-ble can couple high partial lightingcurrents in an adjacent building.Electrical equipment in buildings atthe end of the low-voltage open-wire line are at particular risk ofdamage caused by surges.
Threat value: Up to 100 kA(10/350)
Direct lightning strike into abuildingIf a lightning strike hits the externallightning protection system orearthed roof structures capable ofcarrying lightning current (e.g. roofaerial), then the lightning energycan be arrested to the ground inadvance. However, a lightning pro-tection system on its own is notenough: Due to its impedance, thebuilding's entire earthing system israised to a high potential. This po-tential increase causes the light-ning current to spilt over the build-ing's earthing system and alsoover the power supply systemsand data cables to the adjacentearthing systems (adjacent build-ing, low-voltage transformer).
Threat value: Up to 200 kA(10/350)
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Causes of surges
Coupling of surges through localor remote lightning strikeEven if lightning protection andsurge protection measures are al-ready installed: A local lightningstrike creates additional high mag-netic fields, which in turn inducehigh voltage peaks in line systems.Inductive or galvanic coupling cancause damage within a radius ofup to 2 km around the lightningimpact point.
Threat value: Several kA (8/20)
Switching surges in the low-volt-age systemSwitching surges are caused byswitch-on and switch-off opera-tions, by switching inductive andcapacitive loads and by interrupt-ing short-circuit currents. Particu-larly when production plants, light-ing systems or transformers areswitched off, electrical equipmentlocated in close proximity can bedamaged.
Threat value: Several kA (8/20)
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Gradual surge reduction with lightning protection zones
Lightning protection zone con-ceptThe lightning protection zone con-cept described in internationalstandard IEC 62305-4 (DIN VDE0185 Part 4) has proved to bepractical and efficient. This con-cept is based on the principle of -gradually reducing surges to asafe level before they reach theterminal device and cause dam-age. In order to achieve this situa-tion, a building's entire energy net-work is split into lightning protec-tion zones (LPZ = Lightning Protec-tion Zone). Installed at each transi-
tion from one zone to another is asurge arrestor for equipotentialbonding. These arrestors corre-spond to the requirement class inquestion.
Lightning protection zone
LPZ 0 A Unprotected zone outside the building. Direct lightning impacts, no shielding against electromagnetic interferencepulses LEMP (Lightning Electromagnetic Pulse)
LPZ 0 B Zone protected by external lightning protection system. No shielding against LEMP.
LPZ 1 Zone inside the building. Low partial lightning energies possible.
LPZ 2 Zone inside the building. Low surges possible.
LPZ 3 Zone inside the building (can also be the metal housing of a consumer). No interference pulses through LEMP orsurges present.
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Zone transitions and protective devices
Benefits of the lightning protec-tion zone concept• Minimisation of the couplings
into other cable systemsthrough arresting the energy-rich, dangerous lightning cur-rents directly at the point thecables enter the building.
• Malfunction prevention with -magnetic fields.
• Economic, well-plannable indi-vidual protection concept fornew and old buildings and re-constructions.
Type classes of the surge protec-tion devicesOBO surge protection devices areclassified in accordance with DINEN 61643-11 into three type class-es − Type 1, Type 2 and Type 3(previously B, C and D). Thesestandards contain building regula-tions, requirements and tests forsurge arrestors used in AC net-works with nominal voltages of upto 1,000 V and nominal frequen-cies of between 50 and 60 Hz.This classification enables ar-restors to be matched to differentrequirements with regard to loca-tion, protection level and current-carrying capacity. The table belowprovides an overview of the zonetransitions. It also shows whichOBO surge protectors are to be in-stalled in the energy supply net-work and their respective function.
Zone transitions
Zone tran-sition LPZ0 B to LPZ1
Protection device for lightning protection equipotential bonding in accordance with DIN VDE 0185-3 for direct orclose lightning strikes.• Devices: Type 1 (Class I, requirements class B), e. g. MC50-B VDE• Max. protection level according to standard: 4 kV• Installation e.g. in the main distributor/at building entry
Zone tran-sition LPZ1 to LPZ 2
Protection device for surge protection to DIN VDE 0100-443 for surge voltages arriving through the supply networkdue to remote strikes or switching operations.• Devices: Type 2 (Class II, requirements class C), e.g. V20-C• Max. protection level according to standard: 2.5 kV• Installation e.g. in the power distributor, subdistributor
Zone tran-sition LPZ2 to LPZ 3
Protection device, intended for surge protection of portable consumers at sockets and power supplies• Devices: Type 3 (Class III, requirements class D), e.g. FineController FC-D• Max. protection level according to standard: 1.5 kV• Installation e.g. on end consumer
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BET − testing centre for lightning protection, electrical engineering andsupport systems
Lightning current test
BET with countless tasksIf only lightning current, environ-mental and electrical testing waspossible at BET up to now, theBET Test Centre is now a compe-tent partner for testing of cablesupport systems. This combinationhas made it necessary to revisethe meaning of the name. If BETpreviously stood for "Blitzschutz-und EMV-Technologiezentrum"(Lightning protection and EMCtechnology centre), since 2009these letters have meant BET Testcentre for lightning protection,electrical engineering and supportsystems.
Test generator for lightning cur-rent testsThe test generator, planned in1994 and built in 1996, allows theexecution of lightning current testsof up to 200 kA. The generatorwas planned and constructed inconjunction with the Soest Techni-cal College. Due to the intensive
planning and scientific consultationrequired in the construction of thetesting system, this system hasworked without fault for 12 yearsand still meets the current stan-dard testing requirements.The main load of the test genera-tor is generated by the testing ofproducts from the TBS productunit. Here, tests to accompany de-velopment are carried out on newdevelopments, modifications of ex-isting OBO products and alsocomparison tests on competingproducts. These include lightningprotection components, surge pro-tection devices and lightning cur-rent arrestors. Tests of lightningprotection components are carriedout according to DIN EN 50164-1,those for spark gaps according toDIN EN 50164-3 and those forlightning and surge protection de-vices according to DIN EN 61643-11. This is just a small portion ofthe testing standards used fortests in the BET Test Centre.
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Lightning current generator Salt spray trough Load test
Testing types for lightning andsurge protectionBoth lightning current tests andsurge voltage tests can be carriedout at up to 20 kV. A hybrid gener-ator is used for these tests, whichwas also developed as part of acooperation with the Soest Techni-cal College. EMC testing of cablesupport systems can also be car-ried out using this test generator.All kinds of cable routing and ca-ble support systems of up to 8 mlength can be tested without anydifficulties. Tests for electrical con-ductivity according to DIN EN61537 are also carried out.
Simulation of real environmentalconditionsTo carry out standardised tests oncomponents intended for externaluse, they must be pretreated un-der real environmental conditions.This takes place in a salt spraytrough and a sulphur dioxide test-ing chamber. Depending on thetest, the test length and the con-centration of the salt spray or sul-phur dioxide in the testing cham-bers may vary. This means that itis possible to conduct tests ac-cording to IEC 60068-2-52, ISO7253, ISO 9227 and EN ISO6988.
Testing cable support systemsThe well-known KTS testing sys-tem, newly installed in the BETTest Centre, allows the investiga-tion of the load capacities of anycable support system manufac-tured by OBO. The basis for this isDIN EN 61537 and VDE 0639.In the BET Test Centre, OBO Bet-termann has a testing departmentin which products can be testedaccording to standards, even dur-ing the development phase.
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Contents, lightning and surge protection, photovoltaics
Standards, photovoltaics 28
Statutory requirements and insurance requirements 29
Sunny outlooks − photovoltaics 30
Lightning protection equipotential bonding system and sepa-ration distance
31
Rolling sphere method 32
Protective angle method 33
Cable routing, cable support and fire protection systems 34
Installation principle, housing 35
Installation principle, industrial and commercial building 36
Installation principle, outdoor system 37
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Standards, photovoltaics
Various standards must be com-plied with when erecting a photo-voltaic system. You can find the -most important European regula-tions here. DIN EN 62305-1(IEC 62305-1:2006):2006-10Protection against lightning − Part1: General principles
DIN EN 62305-2(IEC 62305-2:2006):2006-10Protection against lightning − Part2: Risk management
DIN EN 62305-3(IEC 62305-3:2006):2006-10Protection against lightning − Part3: Physical damage to structuresand life hazard
DIN EN 62305-4(IEC 62305-4:2006):2006Protection against lightning − Part4: Electrical and electronic sys-tems within structure
DIN EN 62305-3 Bbl 5(VDE 0185-305-3 Bbl 5):2009-10Protection against lightning − Part3: Physical damage to structuresand life hazard − Supplement 5:Lightning and surge voltage pro-tection for photovoltaic power sup-ply systems
DIN EN 61643-11(IEC 61643-1)Low-voltage surge protective de-vices − Part 11: Surge protectivedevices connected to low-voltagepower systems
DIN VDE 0100-534(IEC 60364-5-534)Part 5-53: Selection and erectionof electrical equipment − isolation,switching and control − Clause534: Devices for protectionagainst surge voltages
DIN VDE 0100-443(IEC 60364-4-44)low-voltage electrical installations −Part 4-44: Protection for safety −protection against voltage distur-bances and electromagnetic dis-turbances − Clause 443: Protec-tion against surge voltages of at-mospheric origin or due to switch-ing
VDE 0100-712(IEC 60364-7-712):2006-06Requirements for solar photovolta-ic (PV) power supply systems
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Statutory requirements and insurance requirements
Besides the current standards,the general statutory conditionsand the requirements of the in-surance companies must be tak-en into account. Please also ob-serve the appropriate local legalrequirements.
Statutory requirementsState construction regulations(LBO): Irrespective of a PV system,certain buildings require an exter-nal lightning protection system.Buildings requiring lightning pro-tection by law include high-risebuildings, hospitals, schoolsand meeting places.
Insurance requirements: VdS di-rective 2010 for risk-orientatedlightning and surge voltage pro-tectionPV systems larger than 10 kW re-quire a lightning protection systemof class III and internal surge pro-tection. Freestanding PV systems requiresurge protection measures andequipotential bonding.
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Sunny outlooks − Photovolatic solutions from OBO
Nowadays, the solar sector is abooming part of the electrical in-dustry. Because every investorsees a correlation between sys-tem function and claw-back time,protection against lightning andsurge voltages plays a key role. Protection of the converterThe current inverter is the heart ofthe plant and seriously exposed tocouplings from surge impulses.The couplings can be dampenedusing lightning protection, earthing,equipotential bonding and shield-ing measures and through correctcable routing. Damage to photo-voltaic systems can have variouscauses:
Damage from galvanic couplingPartial lightning currents flowthrough parts of the PV systemand generated voltages of severalhundred thousand volts.
Damage through magnetic fieldcouplingLightning currents couple surgesthrough magnetic induction. Dis-tance reduces the coupling.
Damage through electrical fieldcouplingSurges through the electrical fieldof the lightning current. Comparedto the magnetic field coupling, thecouplings are very small.
Lightning protection for PV pow-er supply systemsA lightning protection system ofprotection class III meets the nor-mal requirements for PV systemsin DIN EN 62305-3, Supplement 5(VDE 0185-305-3 Supplement 5):2009. In addition, a lightning pro-tection class calculation can be -made according to DIN EN 62305(IEC 62305).
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Lightning protection equipotential bonding system and separation dis-tance
Figure 1: Separating distance (s) between the lightning protection system and cable support sys-tem
Figure 2: Separation distance (s) between thePV and the lightning protection system
Important measuresThe following points must be takeninto account in order to ensurecomprehensive protection of thePV system:• The local earthing (EBS) must
be connected to the mainequipotential bonding systems(MEBS).
• Equipotential bonding conduc-tors must be routed closelyand in parallel to the DC ca-bles.
• Data cables must be includedin the protection concept.
Table 1 provides an overview ofthe protective measures.
Separation distanceAccording to DIN EN 62305, thelightning protection system mustbe erected at a separation dis-tance (s) from the parts of the PVsystem. Usually, a separation dis-tance (s) (= safety distance) of0.5 m to 1 m is sufficient.
Table 1: Overview of the protective measures
External lightningprotection available Measure
Separation spacing accordingto DIN EN 62305 maintained
Equipoten-tial bonding
Surge pro-tection
YesAdjusting the lightning protection sys-tem according to DIN EN 62305
Yes min. 6 mm²DC: Type 2AC: Type 1
YesAdjusting the lightning protection sys-tem according to DIN EN 62305
Nomin. 16 mm² DC: Type 1
AC: Type 1
NoTesting of the requirements: Stateconstruction regulations, VdS 2010,risk analysis, etc.
- min. 6 mm²DC: Type 2AC: Type 2
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Rolling sphere method
Figure 1: Planning method: Rolling sphere (R), rolling sphere method and penetration depth (p)and spacing of the interception rods (d)
The methodAs a geometric electric model, thelightning globe method isa method of testing the protectionarea against a direct lightningstrike. An actual globe is unrolledon a model of the system, in whichall the contact points representpoints of direct lightning strikes.
Protect photovoltaic systemswith several interception rodsIf you use several interception rodsto protect an object, you must takeinto consideration the penetrationdepth between them. Table 2 pro-vides an overview of this.
Table 2: Penetration depth by lightning protection class according to VDE 0185-305
Distance of in-terception sys-tem (d) in m
Penetration depth, light-ning protection class ILightning protectionsphere: R=20 m
Penetration depth, light-ning protection class IILightning protectionsphere: R=30 m
Penetration depth, light-ning protection class IIILightning protectionsphere: R=45 m
Penetration depth, light-ning protection class IVLightning protectionsphere: R=60 m
2 0.03 0.02 0.01 0.01
3 0.06 0.04 0.03 0.02
4 0.10 0.07 0.04 0.04
5 0.16 0.10 0.07 0.05
10 0.64 0.42 0.28 0.21
15 1.46 0.96 0.63 0.47
20 2.68 1.72 1.13 0.84
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Protective angle method
Figure 2: α° = Lightning protection angle Figure 4: 1 = ± = Lightning protection angle, 2= Parapet height, 3 = Lightning protectionclass
Figure 3: Protection angle (α), parapet cable
The methodThe protection angle method canbe used for interception rods,parapet cables and buildings. Thearea protected against a directlightning strike is dependent onthe protection class and the heightof the interception unit.
ExampleA 10 m high parapet interceptioncable offers a protection angle of60°. The separation distance be-tween the PV and the lightningprotection systems must be main-tained.
Step 1: Test the separation dis-tanceIf the required separation distancecannot be maintained, thenthe metallic parts must be inter-connected in order to deal withlightning currents.
Step 2: Check protective mea-sures according to table 1Example: Lightning current ar-restors (Type 1) for lightning pro-tection equipotential bonding areused on the DC and the AC side.
Step 3: Inclusion of data cablesData cables must be included inthe protection concept.
Step 4: Provision of equipotentialbondingLocal equipotential bonding shouldbe provided on the inverter.
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Cable routing, cable support and fire protection systems
Figure 5: Separation distance (s) between cable duct and lightning interception unit
Cable routing• Close, parallel cable rout-
ing minimised coupling.• Cables, shielded to carry light-
ning current, divides up thelightning current.
• Interceptor and arrestor ca-bles must be routed at a sepa-ration distance to PV systems(Figure 5).
Cable support systems• Metallic cable trays minimise
couplings.• Closed systems with lids re-
duce the UV load of the cablesin outdoor loads.
• The separation distanceshould be maintained betweenthe cables of the PV systemand the lightning protectionsystem.
Fire protection systems• Public buildings have very high
fire protection requirements.• OBO insulation systems can
offer the proper protectionagainst the spread of fire,smoke and heat.
• OBO fire protection systemscan offer cable routing withtested safety, especially inemergency and escape routes.
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35OBOTBS
Installation principle, housing
System components
1 Intercepting device and arrestor system
2 Surge arrestor for AC energy technology
3 Surge arrestor for data technology
4 Lightning current and surge arrestor for DC photovoltaic systems
5 Equipotential bonding system
6 Arresting cable to earthing system
7 Cable routing system
8 Installation solutions
9 Construction fire protection
PV systems are an interesting in-vestment for private investors.However, amortisation of the PVsystem may be delayed throughdamages and lack of income.Proper installation and cable rout-ing as well as lightning and surgeprotection measures increase theavailability of the system.
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Installation principle, industrial and commercial building
System components
1 Intercepting device and arrestor system
2 Surge arrestor for AC energy technology
3 Surge arrestor for data technology
4 Lightning current and surge arrestor for DC photovoltaic systems
5 Equipotential bonding system
6 Earthing system
7 Cable routing system
8 Installation solutions
9 Construction fire protection
PV systems are a very interestinginvestment for commercial in-vestors. For systems > 10 kW, in-surers require an external lightningprotection system of Class III toDIN EN 62305 (IEC 62305) withsurge protection and equipotentialbonding measures. Proper installa-tion and cable routing as well aslightning and surge protec-tion measures increase the avail-ability of the system and guaranteethe income of the PV system.
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37OBOTBS
Installation principle, outdoor system
System components
1 Intercepting device and arrestor system
2 Surge arrestor for data technology
3 Lightning current and surge arrestor for DC photovoltaic systems
4 Equipotential bonding system
5 Earthing system
6 Cable routing system
7 Installation solutions
In freestanding systems, deepearthers down to the depth of thepermafrost are ineffective. A lowearthing resistance (less than 10Ω, measured as a low frequency)is recommended. With earthingsystems, a loop size of 20 m x20 m up to 40 m x 40 m hasproved effective. The metallic sup-porting tables and frames must beinterconnected. In addition, surgeprotection devices must be used.
Additi
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108 OBO TBS
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Test marks
Lightning current-tested
Lightning current-tested, Class H (100 kA)
ELEKTROTECHNICKÝ ZKUŠEBNÌ ÚSTAV, Czech Republic
ATEX certificate for explosive areas
Russia, GOST The State Committee for Standards
KEMA-KEUR, Netherlands
MIndication of metric products
MAGYAR ELEKTROTECHNIKAI ELLENŐRZŐ INTÉZET Budapest, Hungary
Österreichischer Verband für Elektrotechnik, Austria
Underwriters Laboratories Inc., USA
Eidgenössisches Starkstrominspektorat, Switzerland
Underwriters Laboratories Inc., USA
Verband der Elektrotechnik, Elektronik, Informationstechnik e.V., Germany
German Association of Electricians, tested safety
5-year warranty
Halogen-free; without chlorine, fluorine and bromine
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Pictogram explanation
Lightning protection classesProtection device to DIN EN 61643-11 or IEC 61643-11
Combination protection device made of Type 1 and Type 2
Protection device to DIN EN 61643-11 or IEC 61643-11
Protection device to DIN EN 61643-11 or IEC 61643-11
Protection device to DIN EN 61643-11 or IEC 61643-11
Lightning protection zone
Transition from LPZ 0 to LPZ 1
Transition from LPZ 0 to LPZ 2
Transition from LPZ 0 to LPZ 3
Transition from LPZ 1 to LPZ 2
Transition from LPZ 1 to LPZ 3
Transition from LPZ 2 to LPZ 3
Applications
Remote signalling
Remote signalling with fuse monitoring
Acoustic signalling
Integrated Service Digital Network, ISDN applications
Digital Subscriber Line, DSL applications
Analogue telecommunication
Category 5 TwisterPair
Channel Performance to American EIA/TIA standard
Measuring, controlling and regulating systems
TV applications
SAT-TV applications
Multibase base
LifeControl
Intrinsically safe protection device for areas with a risk ofexplosionsChannel Performance to ISO / IEC 11801
Power over Ethernet
230/400 V-system
Protection rating IP 54
Protection rating IP 65
MetalsAluminium
Stainless steel, 1.4301
Stainless steel, 1.4401
Stainless steel, 1.4404
Stainless steel, 1.4571
Copper
Brass
Steel
Cast iron
Die-cast zinc
Plastics
Fibreglass-reinforced plastic GFK
P Petrolatum
Polyamide
Polycarbonate
Polyethylene
Polypropylene
Polystyrene
Surfaces
Strip-galvanised
Hot-dip galvanised
Electro-galvanised
Hot-dip galvanised
Copper-plated
Nickel-plated
Galvanised, Deltatone 500
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Metallic materials
Alu Aluminium—
VA (1.4301) Stainless steel, 1.4301—
VA (1.4401) Stainless steel, 1.4401—
VA (1.4404) Stainless steel, 1.4404—
VA (1.4571) Stainless steel, 1.4571—
Cu Copper—
CuZn Brass—
St Steel—
TG Cast iron—Electrogalvanised
Zn Die-cast zinc—
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111OBOTBS
Plastic materials
GFK Fibreglass-reinforced plastic GFK—Temperature resistance:-50 to 130 °C.Resistant toHigh chemical resistanceCorrosion resistanceUV light resistance
PETR Petrolatum—
PA Polyamide—Temperature resistance:permanently up to approx. 90 °C, briefly up to about 130 °Cand to about minus 40 °C*. Chem. resistance generally as for polyethylene.Resistant toPetrol, benzene, diesel oil, acetone, solvents for paints and lacquers,oils and greases.Unstable withBleach, most acids, chlorine.Low in air-humid conditions; only with some aqueous salt solutions. Highly desiccated parts (high temperature and extremely low airhumidity) are highly sensitive to fuels and various solvents.
PC Polycarbonate—Temperature resistance:permanently up to approx. 110 °C (in water 60 °C), briefly up to 125°C, and to below minus 35 °C.Resistant toPetrol, turpentine, most weak acids.Unstable withAcetone, benzene, chlorine, methylene chloride, most concentratedacids.Relatively low.Media which can cause tension cracking include benzene, aromatichydrocarbons, methanol, butanol, acetone, terpentine.
PE Polyethylene—Temperature resistance:hard types permanently up to about 90 °C, briefly up to about 105 °C,soft types permanently up to about 80 °C, briefly up to about 100 °Cand to about minus 40 °C*.Resistant toAlkalis and inorganic acids.Conditionally resistant toAcetone, organic acids, petrol, benzene, diesel oil, most oils.Unstable withChlorine, hydrocarbons, oxidising acids.Relatively high.Stress cracks can be caused by, among others, acetone, variousalcohols, formic acid, ethanol, petrol, benzene, butyric acid, acetic acid,formaldehyde, various oils, petroleum, propanol, nitric acid,hydrochloric acid, sulphuric acid, soap solutions, turpentine,trichloroethylene, citric acid.
PP Polypropylene—Temperature resistance:permanently up to approx. 90 °C, briefly up to about 110 °Cand to about minus 30 °C*. Chem. resistance generally as for polyethylene.Resistant toAlkalis and inorganic acids.Conditionally resistant toAcetone, organic acids, petrol, benzene, diesel oil, most oilsUnstable withChlorine, hydrocarbons, oxidising acids.Low, only with some acids such as chromic acid, hydrofluoric acid andhydrochloric acid, as well as nitrogen oxide.
PC Polystyrene—
*The minus values apply only for parts in the quiescent condition withno severe impact stress.There is no plastic that is resistant to every chemical. The agents listedare only a small selection. Plastic parts are especially at risk in thepresence of chemicals and high temperatures. Stress cracks mayoccur. If in doubt, please consult us and/or ask for a detailed chemicalresistance table.Stress crack formation: stress cracks may occur if plastic parts undertension are exposed to chemicals at the same time. Parts made ofpolystyrene and polyethylene are particularly susceptible. Stress cracksmay even be caused by agents to which the plastic in question isresistant in the absence of stress. Typical examples of parts underconstant stress when used as intended: grip clips, intermediatesupports of cable glands, ribbon clips.
Temperature resistance:Because of its relatively high sensitivity to the effects of chemicals, itsuse is not recommended at temperatures above normal roomtemperature, about 25 °C.Resistance to cold: to about minus 40 °C*.Resistant toAlkalis, most acids, alcohol.Conditionally resistant toOils and greases.Unstable withButyric acid, concentrated nitric acid, concentrated acetic acid,acetone, ether, petrol and benzene, solvents for paints and lacquers,chlorine, diesel fuel.Relatively high. Stress cracks can be caused by, among other things, acetone, ether,petrol, cyclohexane, heptane, methanol, propanol and the softenersused in some PVC cable mixes.
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Tested lightning protection components
M5 = 4 Nm
Tightening torques
M6 = 6 Nm
M8 = 12 Nm
M10 = 20 Nm
Detailed data can be provided on request.
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113OBOTBS
The little A to Z of surge protection
100% response lightning impulse voltageThe 100% response lightning impulse voltage is the value of thelightning impulse voltage 1.2/50 µs, causing the arrestor to switch. Withthis testing voltage, the surge protection device must respond ten timesto ten loads.
ArrestorArrestors are resources, which primarily consist of voltage-dependentresistors and/or spark gaps. Both elements can be switched in seriesor in parallel or used individually.Arrestors are used to protect other electrical resources and electricalsystems against surge voltages.
Arrestor measured voltage VcFor arrestors without a spark gap, the measured voltage is themaximum permitted effective value of the mains voltage on the arrestorterminals. The measured voltage may constantly be applied to thearrestor without changing its operational characteristics.
Back-up fuse before the arrestorsThere must be a back-up fuse before the arrestors. If the upstream fuseis greater than the maximum approved back-up fuse of the arrestorelements (see technical data of the device), the arrestor must beprotected selectively with the required value.
Cut-off unitThe cut-off unit cuts the arrestor off from the mains or the earthingsystem if it is overloaded, thus preventing a fire risk and also signallingthe switch-off of the protection device.
Equipotential bondingElectrical connection, which brings the bodies of electrical resourcesand other conductive parts to the same or almost the same potential.
Equipotential bonding rail (PAS)A terminal or rail, intended to connect the protective conductor, theequipotential bonding conductor and, if necessary, the conductor forfunction earthing with the earthing cable and the earthers.
Error current protection unit (RCD)Resource for protection against electric shocks and fire protection (e.g.FI protection switches).
Lightning protection equipotential bonding systemThe lightning protection equipotential bonding is a key measure inreducing the risk of fire and explosion on the room or building to beprotected. The lightning protection equipotential bonding is achievedusing equipotential bonding cables or arrestors, which connect theexternal lightning protection system, metallic parts of the building orroom, the installation, the other conductive parts and the electricalenergy and telecommunications systems.
Lightning protection system (LPS)A lightning protection system (LPS) is considered as the entire systemused to protect a room or building against the impact of a lightningstrike. This includes both internal and external lightning protection.
Lightning protection zone (LPZ)Lightning protection zones are those areas in which the electromagneticenvironment of the lightning is to be defined and mastered. At the zonetransitions, all cables and metallic parts must be integrated into theequipotential bonding system.
Lightning surge current (limp)A lightning surge current (lightning current carrying capacity per path) isa standardised surge current curve of the shape 10/350 µs. With itsparameters- Peak value- Charge- Specific energyit represents the load from natural lightning currents. Type 1 lightningcurrent arrestors (previously requirement class B) must be able to arrestsuch lightning currents without being destroyed.
Line follow current quenching (lf)The follow current − also called network follow current − is the currentwhich flows through the surge protection device after an arrestingoperation and is supplied by the network. The follow current isconsiderably different from the continuous operating current. The levelof the network follow current is dependent on the feed line from thetransformer to the arrestor.
Nominal current (ln)The nominal current is the maximum permitted operating current whichmay be run continually through the appropriately labelled connectionterminals.
Nominal discharge surge current (ln)Peak value of the current flowing through the arrestor with the waveshape 8/20. It is used to classify the testing of surge arrestors of Type2 (formerly requirements Class C).
Nominal frequency (fn)The nominal frequency is that frequency for which a resource ismeasured, by which it is called and upon which other nominalparameters refer.
Nominal voltage (Vn)The rated voltage is the voltage value for which a resource is designed.In so doing it might be a direct voltage value or the effective value of asine-form alternating voltage.
Surge protection device (ÜSG)A device intended for the limitation of transient surge voltages andarresting of surge voltages. It contains at least one non-linearconstruction element. In general speech, surge protection devices arealso termed arrestors.
Protection level (Up)The protection level is the highest current voltage value on the terminalsof the surge protection device before response.
Residual voltage (Vres)The peak voltage value, occurring via the terminals of the surgeprotection device during or immediately after the arresting surge currenthas flowed.
Short-circuit resistanceThe surge protection device must be able to conduct the short-circuitcurrent, until it is either interrupted by the device itself or by an internalor external cut-off unit or by mains-side over-current protection (e.g.back-up fuse).
Response time (ta)The response time primarily characterises the response behaviour ofthe individual protection elements used in arrestors. Depending on theslope du/dt of the surge voltage or di/dt of the surge current, theresponse times may vary within specific limits.
SPDSurge protection device.
Surge arrestor, Type 1Arrestors, which, due to their special structure, are able to arrest lightingcurrents or partial lightning currents during direct strikes.
Surge arrestor, Type 2Arrestors, which are able to arrest surge voltages cause by remote ornearby strikes or switching actions.
Surge arrestor, Type 3Arrestors, used for surge protection of individual consumers orconsumer groups and are employed directly on sockets.
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The little A to Z of surge protection
Surge voltageA surge voltage is a voltage occurring briefly between conductors orbetween a conductor and the earth, which exceeds the highestpermissible operating voltage value by a long way, but does not havethe operating frequency. It can be created by storms or by earthing orshort-circuits.
Temperature rangeThe operating temperature specifies within which temperature limits theperfect function of the surge protection device is guaranteed.
Transient surge voltage (TOV)Temporary surge voltages are short-term (i.e. temporary) surgevoltages, which may occur due to errors within the medium and low-voltage network.
Transmission frequency (fg)The transmission frequency specifies up to which frequency theinsertion damping of the employed resource is less than 3 dB.
Volume resistance per path, series resistanceThe volume resistance per path specifies the ohmic resistance increaseof the conductor path per wire caused by the use of the surgeprotection device.
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115OBOTBS
198 OBO TBS
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199OBOTBS
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Photovoltaic systems Lightning current and surge arrestor, Type 1+2,photovoltaic systems 600 V DC
200
Lightning current and surge arrestor, Type 1+2,photovoltaic systems 900 V DC
201
Surge arrestor, type 2, photovoltaics 600 V DC 202
Surge arrestor, type 2, photovoltaics 1,000 VDC
203
Photovoltaic system solution with MC4 connec-tor
204
System solution with MC4 connector, un-equipped
205
Photovoltaic housing with connection terminals 206
Photovoltaic housing with V-Tec entry 207
Surge arrestor, system solution, photovoltaicsAC + DC
208
Photovoltaic covers 209
Photovoltaic bases 210
Photovoltaic systems
200 OBO TBS
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Always indicate the article number when ordering.
Sur
e pr
otec
tion,
pho
tovo
ltaic
s
Lightning current and surge arrestor, Type 1+2, photovoltaic systems 600 V DC
Complete photovoltaic block V50, 600 V DC
/pc.
V50-B+C 3-PH600
Type
V
U maxDC
600
Version
3-pole for PV systems
5093 62 3
Item No.
41.000
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V50, 600 V DC with IR
/pc.
V50-B+C 3PHFS600
Type
V
U maxDC
600
Version
3-pole for PV systems with FS
5093 62 5
Item No.
49.600
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V50, 600 V DC
/pc.
V50-B+C 2-PH600
Type
V
U maxDC
600
Version
2-pole for earthed PV systems
5093 62 8
Item No.
30.000
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V50, 600 V DC with IR
/pc.
V50-B+C 2PHFS600
Type
V
U maxDC
600
Version
2-pole for earthed PV systems with FS
5093 62 9
Item No.
24.400
kg/100 pcs.
Weight
1
pcs
Pack.
Combination arrestor, type 2, for photovoltaic systems
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• For surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44)• Arresting capacity to 40 kA (8/20) per pin
• Low DC protection level: < 2.6 kV (Voc max = 600 V DC)• Arrestor, connectable with thermodynamic cut-off unit and function display• Encapsulated, non-blow out zinc oxide varistor arrestor for use in distributor housings Application: PV systems with separated insulated lightning protection system
600 V 600 V 600 V 600 VType 1+2 Type 1+2 Type 1+2 Type 1+2
0→2 0→2 0→2 0→212,5 kA 12,5 kA 12,5 kA 12,5 kA30 kA 30 kA 30 kA 30 kA50 kA 50 kA 50 kA 50 kA
< 2,6 kV < 2,6 kV < 2,6 kV < 2,6 kV< 25 ns < 25 ns < 25 ns < 25 ns
-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °CIP 20 IP 20 IP 20 IP 20
3 4 2 32,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm²
V
kAkAkAkVns°Cϑ
mm²mm²mm²
U max DCSPD to EN 61643-11LPZLightning impulse current (10/350)Nominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeTemperature rangeProtection ratingDivision unit TE (17.5 mm)Connection cross-section, rigidConnection cross-section, multi-wireConnection cross-section, flexible
V50-B+C 3-PH600 V50-B+C 3PHFS600 V50-B+C 2-PH600 V50-B+C 2PHFS600
Item No. 5093 62 3 5093 62 5 5093 62 8 5093 62 9
201OBOTBS
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Always indicate the article number when ordering.
Sur
e pr
otec
tion,
pho
tovo
ltaic
s
Lightning current and surge arrestor, Type 1+2, photovoltaic systems 900 V DC
Complete photovoltaic block V25, 900 V DC
/pc.
V25-B+C 3-PH900
Type
V
U maxDC
900
Version
3-pole for PV systems
5097 44 7
Item No.
42.200
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V25, 900 V DC with IR
/pc.
V25-B+C 3PHFS900
Type
V
U maxDC
900
Version
3-pole for PV systems with FS
5097 44 8
Item No.
53.500
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V25, 900 V DC
/pc.
V25-B+C 2-PH900
Type
V
U maxDC
900
Version
2-pole for earthed PV systems
5097 45 7
Item No.
30.800
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V25, 900 V DC with IR
/pc.
V25-B+C 2PHFS900
Type
V
U maxDC
900
Version
2-pole for earthed PV systems with FS
5097 45 8
Item No.
37.000
kg/100 pcs.
Weight
1
pcs
Pack.
Combination arrestor, type 2, for photovoltaic systems
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• For surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44)• Arresting capacity to 7 kA (10/350) and 50 kA (8/20) per pin
• Low DC protection level: < 3.0 kV (Voc max = 900 V DC)• Arrestor, connectable with thermodynamic cut-off unit and function display• Encapsulated, non-extinguishing zinc oxide varistor arrestor for use in distributor housings Application: PV systems with separated insulated lightning protection system
900 V 900 V 900 V 900 VType 1+2 Type 1+2 Type 1+2 Type 1+2
0→2 0→2 0→2 0→27 kA 7 kA 7 kA 7 kA30 kA 30 kA 30 kA 30 kA50 kA 50 kA 50 kA 50 kA
< 3,0 kV < 3,0 kV < 3,0 kV < 3,0 kV< 25 ns < 25 ns < 25 ns < 25 ns
-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °CIP 20 IP 20 IP 20 IP 20
3 4 2 32,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm²
V
kAkAkAkVns°Cϑ
mm²mm²mm²
U max DCSPD to EN 61643-11LPZLightning impulse current (10/350)Nominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeTemperature rangeProtection ratingDivision unit TE (17.5 mm)Connection cross-section, rigidConnection cross-section, multi-wireConnection cross-section, flexible
V25-B+C 3-PH900 V25-B+C 3PHFS900 V25-B+C 2-PH900 V25-B+C 2PHFS900
Item No. 5097 44 7 5097 44 8 5097 45 7 5097 45 8
202 OBO TBS
02 T
BS
-Kat
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_201
0_N
euer
_Sta
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en /
30/0
3/20
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Surge arrestor, Type 2, photovoltaics 600 V DC
Complete photovoltaic block V20, 600 V DC
/pc.
V20-C 3PH-600
Type
V
U maxDC
600
Version
3-pole for PV systems
5094 60 5
Item No.
33.500
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V20, 600 V DC with IR
/pc.
V20-C 3PHFS-600
Type
V
U maxDC
600
Version
3-pole for PV systems with FS
5094 57 6
Item No.
41.500
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V20, 600 V DC
/pc.
V20-C 2PH-600
Type
V
U maxDC
600
Version
2-pole for earthed PV systems
5094 61 3
Item No.
25.000
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V20, 600 V DC with IR
/pc.
V20-C 2PHFS-600
Type
V
U maxDC
600
Version
2-pole for earthed PV systems with FS
5094 57 2
Item No.
29.000
kg/100 pcs.
Weight
1
pcs
Pack.
Surge arrestor, Type 2, for photovoltaic systems
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• For surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44)• Arresting capacity to 40 kA (8/20) per pin
• Low DC protection level: < 2.6 kV (Voc max = 600 V DC)• Arrestor, connectable with thermodynamic cut-off unit and function display• Encapsulated, non-extinguishing zinc oxide varistor arrestor for use in distributor housings Application: PV systems with or without separated insulated lightning protection system
600 V 600 V 600 V 600 VType 2 Type 2 Type 2 Type 21→2 1→2 1→2 1→2
20 kA 20 kA 20 kA 20 kA40 kA 40 kA 40 kA 40 kA
< 2,6 kV < 2,6 kV < 2,6 kV < 2,6 kV< 25 ns < 25 ns < 25 ns < 25 ns
-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °CIP 20 IP 20 IP 20 IP 20
3 4 2 32,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm²
V
kAkAkVns°Cϑ
mm²mm²mm²
U max DCSPD to EN 61643-11LPZNominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeTemperature rangeProtection ratingDivision unit TE (17.5 mm)Connection cross-section, rigidConnection cross-section, multi-wireConnection cross-section, flexible
V20-C 3PH-600 V20-C 3PHFS-600 V20-C 2PH-600 V20-C 2PHFS-600
Item No. 5094 60 5 5094 57 6 5094 61 3 5094 57 2
203OBOTBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
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6)
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Surge arrestor, Type 2, photovoltaics 1,000 V DC
Complete photovoltaic block V20, 1,000 V DC
/pc.
V20-C 3-PH-1000
Type
V
U maxDC
1000
Version
3-pole for PV systems
5094 60 8
Item No.
36.500
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V20, 1,000 V DC with IR
/pc.
V20-C 3PHFS-1000
Type
V
U maxDC
1000
Version
3-pole for PV systems with FS
5094 57 4
Item No.
44.500
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V20, 1,000 V DC
/pc.
V20-C 2-PH-1000
Type
V
U maxDC
1000
Version
2-pole for earthed PV systems
5094 61 7
Item No.
27.000
kg/100 pcs.
Weight
1
pcs
Pack.
Complete photovoltaic block V20, 1,000 V DC with IR
/pc.
V20-C 2PHFS-1000
Type
V
U maxDC
1000
Version
2-pole for earthed PV systems with FS
5094 61 5
Item No.
31.000
kg/100 pcs.
Weight
1
pcs
Pack.
Surge arrestor, Type 2, for photovoltaic systems
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• For surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44)• Arresting capacity to 40 kA (8/20) per pin
• Low DC protection level: < 4.0 kV (Voc max = 1,000 V DC)• Arrestor, connectable with thermodynamic cut-off unit and function display• Encapsulated, non-extinguishing zinc oxide varistor arrestor for use in distributor housings Application: PV systems with or without separated insulated lightning protection system
1000 V 1000 V 1000 V 1000 VType 2 Type 2 Type 2 Type 21→2 1→2 1→2 1→2
20 kA 20 kA 20 kA 20 kA40 kA 40 kA 40 kA 40 kA
< 4,0 kV < 4,0 kV < 4,0 kV < 4,0 kV< 25 ns < 25 ns < 25 ns < 25 ns
-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °CIP 20 IP 20 IP 20 IP 20
3 4 2 32,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm²
V
kAkAkVns°Cϑ
mm²mm²mm²
U max DCSPD to EN 61643-11LPZNominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeTemperature rangeProtection ratingDivision unit TE (17.5 mm)Connection cross-section, rigidConnection cross-section, multi-wireConnection cross-section, flexible
V20-C 3-PH-1000 V20-C 3PHFS-1000 V20-C 2-PH-1000 V20-C 2PHFS-1000
Item No. 5094 60 8 5094 57 4 5094 61 7 5094 61 5
204 OBO TBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
LExp
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6)
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Photovoltaic system solution with MC4 connector
Photovoltaic system solution, Type 1+2, with MC connector, 600 VDC
/pc.
VG-BC DCPH-Y600
Type
V
U maxDC
600
Version
Equipped in housing with MC4 connector
5088 67 6
Item No.
174.600
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic system solution, Type 1+2, with MC connector, 900 VDC
/pc.
VG-BC DCPH-Y900
Type
V
U maxDC
900
Version
Equipped in housing with MC4 connector
5088 67 8
Item No.
178.500
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic system solution, Type 2, with MC connector, 600 VDC
/pc.
VG-C DCPH-Y600
Type
V
U maxDC
600
Version
Equipped in housing with MC4 connector
5088 67 0
Item No.
166.500
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic system solution, Type 2, with MC connector, 1,000 VDC
/pc.
VG-C DCPH-Y1000
Type
V
U maxDC
1000
Version
Equipped in housing with MC4 connector
5088 67 2
Item No.
169.500
kg/100 pcs.
Weight
1
pcs
Pack.
System solution for photovoltaic systems with MC4 connector
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• Low DC protection level: < 4.0 kV (Voc max = 1,000 V DC with V20-C/0-500PV)• Low DC protection level: < 3.0 kV (Voc max = 900 V DC with V25-B+C/0-450PV)• Low DC protection level: < 2.6 kV (Voc max = 600 V DC with V50-B+C/0-300PV)• DC connection with MC4 plug connector (Series: PV-AD...P 4/6), pre-mounted in IP65 housing
Application: PV systems to protect the inverter
600 V 900 V 600 V 1000 VType 1+2 Type 1+2 Type 2 Type 2
0→2 0→2 1→2 1→212,5 kA 7 kA30 kA 30 kA 20 kA 20 kA50 kA 50 kA 40 kA 40 kA
< 2,6 kV < 3,0 kV < 2,6 kV < 4,0 kV< 25 ns < 25 ns < 25 ns < 25 ns
-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °CIP65 IP65 IP65 IP65
V
kAkAkAkVns°Cϑ
U max DCSPD to EN 61643-11LPZLightning impulse current (10/350)Nominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeTemperature rangeProtection rating
VG-BC DCPH-Y600 VG-BC DCPH-Y900 VG-C DCPH-Y600 VG-C DCPH-Y1000
Item No. 5088 67 6 5088 67 8 5088 67 0 5088 67 2
205OBOTBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
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Photovoltaic system solution with MC4 connector, unequipped
Surge arrestor, system solution, photovoltaics
/pc.
VG-C DC-PH-Y
Type Version
Unequipped in housing with MC4 connector
5088 69 9
Item No.
1
pcs
Pack.
System solution for photovoltaic systems with MC4 connector
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• Low DC protection level: < 4.0 kV (Voc max = 1,000 V DC with V20-C/0-500PV)• Low DC protection level: < 3.0 kV (Voc max = 900 V DC with V25-B+C/0-450PV)• Low DC protection level: < 2.6 kV (Voc max = 600 V DC with V50-B+C/0-300PV)• DC connection with MC4 plug connector (Series: PV-AD...P 4/6), pre-mounted in IP65 housing
Unequipped, order covers separately.
Application: PV systems to protect the inverter
1000 V
-40 - +80 °CIP 65
V
kAkAkAkVns°Cϑ
U max DCSPD to EN 61643-11LPZLightning impulse current (10/350)Nominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeTemperature rangeProtection rating
VG-C DC-PH-Y
Item No. 5088 69 9
206 OBO TBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
LExp
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6)
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Photovoltaic housing with connection terminals
Photovoltaic housing with connection terminals, Type 1+2, 600 VDC
/pc.
VG-BC DCPH-MS600
Type
V
U maxDC
600
Version
Type 1+2 in housing with terminals
5088 69 3
Item No.
159.000
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic housing with connection terminals, Type 1+2, 900 VDC
/pc.
VG-BC DCPH-MS900
Type
V
U maxDC
900
Version
Type 1+2 in housing with terminals
5088 69 2
Item No.
160.000
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic housing with connection terminals, Type 2, 1,000 VDC
/pc.
VG-C DCPH-MS1000
Type
V
U maxDC
1000
Version
Type 2 in housing with terminals
5088 69 1
Item No.
154.000
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic housing with connection terminals, unequipped
/pc.
VG-C DC-PH-MS
Type
V
U maxDC
—
Version
Unequipped in housing with terminals
5088 69 4
Item No.
135.000
kg/100 pcs.
Weight
1
pcs
Pack.
System solution for photovoltaic systems with connection terminals
• Error-resistant Y circuit with 3 varistors for use according to VDE 0100-712 (IEC 60364-7-712)• Low DC protection level: < 4.0 kV (Voc max = 1,000 V DC with V20-C/0-500PV)• Low DC protection level: < 3.0 kV (Voc max = 900 V DC with V25-B+C/0-450PV)• Low DC protection level: < 2.6 kV (Voc max = 600 V DC with V50-B+C/0-300PV)• 6 parallel connection terminals up to 6 mm² for each polarity (+ and -)• Pre-mounted in IP65 housingNote: 5 PV strings can be switched in parallel on the terminals. The technical data (string voltage, etc.) and the conditions of the in-verter (number of MPP trackers) must be taken into account.
600 V 900 V 1000 VType 1+2 Type 1+2 Type 2
0→2 0→2 1→212,5 kA 7 kA30 kA 30 kA 20 kA50 kA 50 kA 40 kA
< 2,6 kV < 3,0 kV < 4,0 kV< 25ns ns < 25ns ns < 25ns ns
0,5 - 6 mm² 0,5 - 6 mm² 0,5 - 6 mm² 0,5 - 6 mm²0,5 - 6 mm² 0,5 - 6 mm² 0,5 - 6 mm² 0,5 - 6 mm²-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °C
IP 65 IP 65 IP 65 IP 65
V
kAkAkAkVns
mm²mm²°Cϑ
U max DCSPD to EN 61643-11LPZLightning impulse current (10/350)Nominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeConnection cross-section, rigidConnection cross-section, flexibleTemperature rangeProtection rating
VG-BC DCPH-MS600 VG-BC DCPH-MS900 VG-C DCPH-MS1000 VG-C DC-PH-MS
Item No. 5088 69 3 5088 69 2 5088 69 1 5088 69 4
207OBOTBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
LExp
ort_
0098
6)
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Photovoltaic housing with V-Tec entry
Surge arrestor, system solution, photovoltaics
/pc.
VG-C DC-PH1000-4
Type
V
U maxDC
1000
Version
Type 2 in housing with V-Tec insertion
5088 70 3
Item No.
145.000
kg/100 pcs.
Weight
1
pcs
Pack.
System solution for photovoltaic systems with connection terminals and entry
• Error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• Low DC protection level: < 4.0 kV (Voc max = 1,000 V DC with V20-C/0-500PV)• 5 parallel connection terminals up to 6 mm² for each polarity (+ and -)• 8 V-Tec entries per side, pre-mounted in IP65 housing• arrestor, connectable with thermodynamic cut-off unit and visual function display• Encapsulated, non-extinguishing zinc oxide varistor arrestor for use in distributor housings Note: 5 PV strings can be switched in parallel on the terminals. The technical data (string voltage, etc.) and the conditions of the in-verter (number of MPP trackers) must be taken into account.
1000 VType 21→2
20 kA40 kA
< 4,0 kV< 25ns ns
0,5 - 6 mm²0,5 - 6 mm²-40 - +80 °C
IP 65
V
kAkAkVns
mm²mm²°Cϑ
U max DCSPD to EN 61643-11LPZNominal discharge surge current (8/20)Maximum discharge currentVoltage protection levelResponse timeConnection cross-section, rigidConnection cross-section, flexibleTemperature rangeProtection rating
VG-C DC-PH1000-4
Item No. 5088 70 3
208 OBO TBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
LExp
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0098
6)
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Surge arrestor, system solution, photovoltaics AC + DC
Surge arrestor, system solution, photovoltaics AC + DC
/pc.
VG-C ACDC-PH550
Type
V
U maxDC
745
Version
Type 2 AC protection: 1+NPE, DC: Y connection
5088 68 6
Item No.
200.000
kg/100 pcs.
Weight
1
pcs
Pack.
System solution for photovoltaic systems with AC and DC protection
• DC error-resistant Y circuit for use according to VDE 0100-712 (IEC 60364-7-712)• Low DC protection level: < 4.0 kV (Voc max = 1,000 V DC with V20-C/0-500PV)• DC connection with MC4 plug connector (Series: PV-AD...P 4/6), pre-mounted in IP65 housing• AC side with 1+NPE protection circuit• arrestor, connectable with thermodynamic cut-off unit and function display• Encapsulated, non-extinguishing zinc oxide varistor arrestor for use in distributor housings Application: PV systems to protect the inverter
745 V280 VType 20→2
15 kA40 kA
DC:
209OBOTBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
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Photovoltaic covers
Photovoltaic cover − lightning and surge arrestors
/pc.
V50-B+C 0-300PV
Type
V
U maxDC
300
Version
1-pole, PV cover, Type 1+2
5093 72 6
Item No.
8.200
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic cover − lightning and surge arrestors
/pc.
V25-B+C 0-450PV
Type
V
U maxDC
450
Version
1-pole, PV cover, Type 1+2
5097 06 5
Item No.
9.500
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic cover − surge arrestors
/pc.
V20-C 0-300PV
Type
V
U maxDC
300
Version
1-pole, PV cover, type 2
5099 61 1
Item No.
5.500
kg/100 pcs.
Weight
1
pcs
Pack.
Photovoltaic cover − surge arrestors
/pc.
V20-C 0-500PV
Type
V
U maxDC
500
Version
1-pole, PV cover, type 2
5099 70 8
Item No.
6.500
kg/100 pcs.
Weight
1
pcs
Pack.
Cover, combination and surge controller, Type 1+2 and 2 arrestors for photovoltaic systems
• Lightning and surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44)• Arresting capacity to 12.5 kA (10/350) and 50 kA (8/20) per pin
• DC protection level: < 2.0 kV per pole (for Y circuit: 40 kV and Voc to 1000 V DC)• arrestor, connectable with thermodynamic cut-off unit and function display• Encapsulated, non-blow out zinc oxide varistor arrestor for use in distributor housings• High current carrying capacity with long lifespan Application: Surge and lightning protection for PV systems
300 V 450 V 300 V 500 VType 1+2 Type 1+2 Type 2 Type 2class I+II class I+II class II class II
0→2 0→2 1→2 1→230 kA 30 kA 20 kA 20 kA
12,5 kA 7 kA50 kA 50 kA 40 kA 40 kA
< 1,3 kV < 1,5 kV < 1,3 kV < 2,0 kV
210 OBO TBS
02 T
BS
-Kat
alog
_201
0_N
euer
_Sta
nd /
en /
30/0
3/20
10 (L
LExp
ort_
0098
6)
Always indicate the article number when ordering.
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Photovoltaic bases
PV base, 3-pole in Y circuit
/pc.
V20-C U-3PH-Y
Type Version
3-pole Y circuit for PV
5096 64 7
Item No.
17.000
kg/100 pcs.
Weight
1
pcs
Pack.
PV base, 3-pole in Y circuit, with remote signalling
/pc.
V20-C U-3PH-Y-FS
Type Version
3-pole Y circuit for photovoltaic systems with FS
5096 64 6
Item No.
25.000
kg/100 pcs.
Weight
1
pcs
Pack.
PV base, 2-pole in Y circuit
/pc.
V20-C U-2 PH
Type Version
2-pole for earthed PV systems
5096 63 7
Item No.
14.000
kg/100 pcs.
Weight
1
pcs
Pack.
PV base, 2-pole in Y circuit, with remote signalling
/pc.
V20-C U-2 PH+FS
Type Version
2-pole for earthed PV systems with FS
5096 63 9
Item No.
18.000
kg/100 pcs.
Weight
1
pcs
Pack.
Base for combination and surge controller, Type 1+2 and 2 for photovoltaic systems
• Error resistant Y circuit with 3 varistors (2 for earthed systems)• Lightning and surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44)• Arresting capacity to 12.5 kA (10/350) and 50 kA (8/20) per pin
• DC protection level: < 2.0 kV per pole (Y circuit: 4.0 kV and max. Voc to 1,000 V DC)• Encapsulated, non-extinguishing zinc oxide varistor arrestor for use in distributor housings• High current carrying capacity with long lifespan• Bases unequipped Application: Surge and lightning protection for PV systems
-40 - +80 °C -40 - +80 °C -40 - +80 °C -40 - +80 °CIP 20 IP 20 IP 20 IP 20
3 4 2 32,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm² 2,5 - 35 mm²2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm² 2,5 - 25 mm²
°Cϑ
mm²mm²mm²
Temperature rangeProtection ratingDivision unit TE (17.5 mm)Connection cross-section, rigidConnection cross-section, multi-wireConnection cross-section, flexible
V20-C U-3PH-Y V20-C U-3PH-Y-FS V20-C U-2 PH V20-C U-2 PH+FS
Item No. 5096 64 7 5096 64 6 5096 63 7 5096 63 9
02 T
BS
-Kat
alog
_201
0_N
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nd /
en /
30/0
3/20
10 (L
LExp
ort_
0098
6)
211OBOTBS
336 OBO TBS
02 T
BS
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alog
_201
0_N
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nd /
en /
30/0
3/20
10 (L
LExp
ort_
0098
6)
337OBOTBS
02 T
BS
-Kat
alog
_201
0_N
euer
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30/0
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LExp
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Alphabetical table of contents
Numeric directory
Type listing
Terms and conditions of sale and de-livery
Directories
338
344
348
361
02 T
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alog
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Alphabetical table of contents
338 OBO TBS
Accessories for series terminalA
, 245-245Adjustable connector, 308Adjustable insulating beam − pipe, 310Adjustable insulating beam − wall, 310Angler straddling dowel, 334Attaching and bridging component, 326Attaching and expansion strip, 327
Base for FangFix JuniorB
, 290Base for FangFix system 10 kg, 293Base for FangFix system 16 kg, 293Base plate, 304Base, 16 kg, with female thread, 290Base, 6.9 kg, with female thread, 290Base, CombiController V50, 131-131Base, CombiController V50 with remote signalling, 131-131Base, combination arrestor/lightning current arrestor, 125-125Base, Multibase, 143, 172, 181Base, Multibase + NPE, 143, 172, 181Base, Multibase + NPE with fuse monitoring, 144, 173, 182Base, Multibase + NPE with remote signalling, 143, 172, 181Base, Multibase with acoustic signalling, 144, 173, 182Base, Multibase with fuse monitoring, 144, 173, 182Base, Multibase with remote signalling, 143, 172, 181Basic protection device for ISDN and DSL systems, 214-214Basic protection for 4-wire information technologysystems with RJ45
, 224-224
Basic protection for two-core systems with HFapplications 120 V
, 233
Bi-metal roof gutter clamp for all bead thicknesses, 324Bi-metal separating piece for Rd 8−10 and FL 30 mm, 330Bi-metal separating piece for Rd 8−10 and FL 30−40mm
, 330
Bonding base, 302Bonding base including industrial bonding pad, 302Bridging cable, 327Bundle clips for screen connection, 267
Cable bracket for flat conductorsC
, 281Cable bracket for Rd 8−10 and FL 30, 281Cable bracket with crossbar FL 30 mm mounting height, 303Cable bracket with crossbar FL 30 mm, with round pin, 304Cable bracket with crossbar Rd 8−10 mm, 302Cable bracket with crossbar Rd 8−1