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Lightning and surge protectionfor maximum safety and security
THINK CONNECTED.
Protected
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Lightning and voltage surgesendanger people and assets.
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Protected
Like four well-trained bodyguards, our systemsprovide you with maximum protection.
1 Air termination and down conductor systems
2 Earthing systems
3 Equipotential bonding systems
4 Surge protection systems
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Lightning and voltage surges endangerpeople and assets.
Lightning and voltage surges en-danger people and assets.Lightning strikes Germany aroundtwo million times a year, and thatfigure is rising. Discharges occurin both rural and densely popu-lated areas, endangering people,buildings and technical equipment.Hundreds of millions of euros of
damage is done each year, espe-cially as a result of electricalsurges. That is because electricaldevices – some of which are ex-tremely sensitive – are nowadayspart of everyday life. Such equip-ment is especially vulnerable tovoltage surges and needs protect-ing just as much as buildings do.
1,500,000,000More than 1.5 billion lightningevents each year worldwide.
100More than 100 lightning strikes oc-cur every second worldwide.
30,000° C300 km/s30,000 degrees Celsius is thetemperature of the air in the pathof the lightning, which dischargesat a speed of 300 kilometres persecond.
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31%31% of all electronic damage iscaused by direct or indirect light-ning strikes.
450,000Around 450,000 incidents of dam-age are reported to insurancecompanies each year.
40,000 A80% of lightning strikes involvebetween 30,000 and 40,000 A.
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Our everyday lives are shaped by the availability of modern controlequipment, yet it is constantly at risk.
Intelligent controllers, high-powercomputers, data centres – com-puters, automation and telecom-munications systems performmany important jobs in both theprivate and the professional world.Our lives are totally reliant on tech-nological support, and hundreds ofbillions of euros is spent each yearbuilding up that support.Vital computer-assisted systemssuch as fire alarms, as well as in-dustrial plants fitted with modern
automation equipment, are highlysensitive and extremely vulnerableto electrical surges.Just one lightning strike nearby, oran electrical failure in the powersupply, and modern control equip-ment is destroyed. The economicconsequences can be devastating:plant standstill, heavy losses onaccount of production downtime,data loss, repairs and systemfaults can potentially drive a com-pany to bankruptcy.
Case 1:Industrial building
A production hall housing a plasticinjection moulding facility and ad-joining office area: a lightningstrike on a 10 kV medium voltageoverhead power line 500 metresaway, leading to surge damage tothe injection moulding plant’s con-trol circuitry.
€250Control circuitry
€20,000Computers and servers
€500,000Loss of production
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230 V 24 V 5 V 2.5 V
Greater performance, greater susceptibility to interferenceHighly developed modern electric-al equipment is becoming evermore sensitive. Or to put it anotherway, as voltage ratings drop, sotoo does electrical stability. Elec-tronic valves in the 1950s oper-ated at a remarkably high ratedvoltage of 230 V, but as transist-ors arrived in the 1960s thisdropped to 24 V. Integrated cir-cuits came in around 1980, andthey worked at just 5 V. Moderncomputers use 2.5 V – in otherwords, just one per cent of the ori-ginal voltage, which makes themmany times more susceptible toelectrical interference. Coupledwith all this, the number of deviceshas grown hugely. So effectiveprotection against surges has be-come much more important than itused to be.
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Direct lightning strikes, nearby lightning and switching operations.Three causes of damage.
Three causes of damageTransient surges can be causedby three things:•Direct lightning strikes•Lightning striking nearby•Switching operationsEquipment and systems can beprotected against all three.
What are transient high-energysurges?Transient voltage surges are short-term peaks in voltage lasting forjust a few millionths of a second.They can be many times higherthan the mains voltage, and are
caused by switching operationsand by lightning. It is not just directstrikes that are dangerous, butalso the much more frequent hitsthat occur in the vicinity of build-ings.
Switching surges
Lightning surges
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Case 2:Private building
Lightning directly strikes a buildingwithout lightning and surge protec-tion.
€50,000Damage to building’s roof tiles and trusses, fire damage, short-circuitingin the main distributor board, water damage caused by rain and extin-guishing water ingress
€10,000Television, computer and refrigerator irreparably damaged
Beyond priceData loss and loss of all digital family photos
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Protected The “Protected to the power of four” principle: only if protection is co-ordinated is it real. Discover what our different systems do.
4 Surge protection systems
Surge protection systems form a multi-stage barrier which no voltagesurge can break through.
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1 Air termination and down conductor systems
Direct lightning strikes with energy of up to 200,000 A are reliably re-ceived by air termination devices and conducted into an earthing systemthrough the arrester system.
3 Equipotential bonding systems
These form the interface between external and internal lightning protec-tion. They ensure that dangerous potential differences do not comeabout in the building.
2 Earthing systems
If the conducted lightning current reaches the earthing system, then ap-proximately 50 per cent of the energy is passed into the ground, whilethe other half is distributed via the equipotential bonding system.
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OBO systems for comprehensive lightning and surge protection
IsFang insulated lightning protection
Surge protection systems
Equipotential bonding systems
Earthing systems
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IsCon® insulated lightning protection
Insulated lightning protection
Arrester
Surge protection systems
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1 Tough stuff:Air termination and down conductor systems
OBO air termination and downconductor systems offer a widerange of solutions for almostevery scenario, whether in partsof biogas plants that are at risk ofexplosion, in highly sensitivephotovoltaic systems, or atpower plants.
With around 1,500 differentproducts in a range of different
materials, OBO always has a suit-able system on offer. OBO light-ning protection components offertested quality. They comply withIEC 62305 (VDE 0185-305) andhave been tested in accordancewith the IEC 62561 (VDE 0185-561) series of international andEuropean testing standards. Airtermination devices receive light-ning strikes on roofs. Chimneys,
antenna masts, ventilation pipes,domed skylights and similar at-tachments that protrude from theroof are protected using separatelypositioned and insulated intercept-or rods. These interceptor rods areconnected together by what isknown as interceptor cables, sothat the lightning current can throwaway down specific channels.
1. Lightning protection• Comprehensive: from roof cable holder to
cross clamp• Diverse materials: such as ten different types
of terminals• Intelligent installation features: pluggable in-
terceptor rod systems such as Fangfix
2. Insulated lightning protection (GRP)• Pre-assembled sets• Adjustable holders• Weatherproof
3. Insulated arresting with the isCon® system• Outstanding installation properties:
the patented isCon® system can be con-fgured on the building site
• Standard-compliant copper conductor dia-meter
• Approved for use in areas at risk of explo-sion
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Protected From the air termination deviceson the roof, insulated arresters onor in the building walls carry thelightning current safely from thepoint of impact down to the earth-ing system. In this way the buildingand the people in it are protectedagainst the lightning current itselfand any fires that might otherwisebe ignited.
4. Measuring and testing systems (PCS)• Magnetic card system for recording lightning
currents• Easy to fit on round cable• Mains-independent card reader
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Application examples: Air termination and down conductor systems
From the air termination deviceson the roof, arresters on or in thebuilding walls carry the lightningcurrent safely from the point of im-pact down to the earthing system.
OBO has the tested connectionsystems needed to install this ar-rangement safely.
A parapet wall connected to the lightning pro-tection system
A metal facade connected to the lightning pro-tection system
Insulated lightning protection on roof fitments
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Insulated arrester system in an explosion-pronearea
isCon® system in the outlet area of a biogasplant
Separation point in an earthing system
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2 Conducting lightning current safely into the ground:Earthing systems
Earthing systems conduct light-ning current into the ground.They also act as links to protect-ive devices such as surge protec-tion equipment, whose protectiondevices do not trip until theearthing system signals them todo so.
A range of different earthing sys-
tems are available, depending onthe building. OBO has the rightsystems for lightning protectionearthing as described in IEC62305 (VDE 0185-305), and forfoundation earthing as laid downin DIN18014.
OBO has the right standard-com-pliant, long-lasting earthing system
for every application • Tested components compliant
with IEC 62561 (VDE 0185-561)• Solutions for all earthing types
foundation, ring, deep and sur-face earthing
• Earthing systems for every ap-plication, from lightning protec-tion to equipotential bonding
1. Conductor material• A range of materials and designs• Complies with the requirements of IEC
62561 (VDE 0185-561)• Corrosion-protected by means of heavy zinc
coating
2. Deep earthers• Highly corrosion-resistant• Quick to install using integrated coupling
system (no connectors, secure contact withground)
• Different versions available: solid, tube,cross and plate material
3. Connection and linking materials• Solid, safe installation• Stainless steel screws in cross-connectors
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Protected 50 yearsExperts reckon on an average useful life of 50years for buildings. During that time, the earth-ing must be sure to keep working properly,since its position deep in the ground or in thefoundations means that replacing componentscan involve considerable effort and expense.
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Application examples: Earthing systems
Foundation earthing systems areeasy to integrate into new build-ings. Their corrosion-protectedconductor material is designed tolast for 50 years of use. OBO con-nection and linking materials allow
you to install conductors safelyand reliably, drawing on compon-ents such as stainless steelscrews for cross-connectors.
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3 Dependable protection against voltage differences:Equipotential bonding systems
Equipotential bonding systemsensure the safe distribution oflightning energy, but they alsoprotect people and electricalequipment against electric shockin a building in the event of othertypes of voltage overloads.In the event of a lightning strike,approximately 50 per cent of thelightning’s energy is carried intothe earthing system. The remain-ing 50 per cent is distributedaround the equipotential bondingsystem (internal lightning protec-tion). This can lead to dangerous
sparking. Electrical power and ITequipment requires particularlycareful protection.
An equipotential bonding systemmust be installed in every buildingaccording to IEC 60364 (VDE0100-534) / IEC 62305 (VDE0185-305), and it is also a require-ment in every new installation oralteration. Operators of commer-cial properties are obliged to in-stall one by the Ordinance on In-dustrial Safety and Health. OBOsupplies standard-compliant sys-
tems. Looped equipotential bond-ing and the inclusion of naturalmetal building parts such as rein-forcement steel and metal facadesprovide optimum protectionagainst potential differences andinductive coupling.
1. Interior• Equipotential bonding rail 1801 VDE-tested• With brass clamping rail, nickel-plated• Safe contacts: series terminals made from
steel, electrogalvanised, screw-secured ten-sion clips (a requirement in industrial and ex-plosion-prone areas)
• Screws protected against self-loosening (asrequired in industrial and explosive areas)
2. Exterior• Highly corrosion-resistant• UV-proof• Screws and crossbars made from stainless
steel
3. Industrial• Cross-sections up to 200 mm2
• Quick and easy to install• Screws secured against self-loosening (a re-
quirement in industrial and explosion-proneareas)
• Copper and stainless steel versions
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4. Environmentally aware• Plastic material made from renewable
sources• Lead-free brass rail• Stainless steel screws and crossbars
OBO equipotentialbonding systems:• VDE/BET-tested• From residential installation to industry• Pre-assembled or modular• Current carrying capacity up to 100 kA
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Application examples: Equipotential bonding systems
Equipotential bonding connects to-gether different parts of a struc-ture, such as metal frameworks ina building, metal installations, con-
ductive external parts, and electric-al power and IT equipment.
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Protected
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4 Effective protection:Surge protection systems for power equipment
Voltage surges are caused by dir-ect and indirect lightning strikes,and by switching operationswithin power networks. That iswhy surge protection guards notonly against lightning, but alsoagainst other power line interfer-ence.
Surge protection equipment en-sures that power lines undervoltage are properly equipotentiallybonded. It responds before the in-sulation in electrical and electronicappliances can be irreparablydamaged by surges.
Tested safetyAll of OBO’s surge protectionequipment is tested in compliancewith the standards in our own BETTest Centre, and comes with afive-year guarantee. A whole seriesof national and international testsymbols testify to the quality of ourproducts.
1. Lightning arrester / type 1• Up to 150 kA (10/350) conductivity• Industrial solutions pre-protected up to 500
A• Patented high-performance carbon spark
gap technology• Special arresters for wind turbines• Fail-safe operation through patented quick
release
2. Combination arrester / type 1+2• Up to 50 kA (10/350) conductivity• Lightning current and surge arrester in one
device, ideal for use in residential buildings• High-performance varistor systems
3. Surge arrester / type 2• Up to 40 kA (8/20) conductivity• Protective equipment for equipotential bond-
ing in main and secondary distributionboards
• High-performance varistor systems
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4. Surge arrester / type 3• Up to 10 kA (8/20) conductivity• Series installation in secondary distribution
systems• Fixed installation• Plug-in protective devices• Combined protective devices with additional
telecommunications and data line protection
5. Photovoltaic system solutions• Fault-resistant Y-wiring compliant with VDE
0100-712 (IEC 60364-7-712)• Type 2 surge protection or type 1+2 combin-
ation arrester• Low DC protection level: • Optionally available with DC connection with
plug-in connector or connection terminals• Pre-installed in IP65 casing• Other system solutions including fuses,
switches, etc. on request• Tested to EN 50539-11
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4 Protecting sensitive devices: Surge protection systems for telecommu-nications and data equipment
Similar to power equipment, tele-communications and data tech-nology is extremely sensitive tovoltage surges. Nowadays, busi-nesses and private householdsare dependent on fast, reliabledata transmission through net-works in order to communicate.
It is therefore important to protecttelecommunications systems anddata centres against surges. OBO surge protection equipmentensures that telecommunicationsand data lines under voltage are
properly equipotentially bonded. Itresponds before the insulation inelectrical and electronic appli-ances is irreparably damaged bysurges.
1. Surge protection for data equipment• Transmission at up to 10 GBit• Pluggable protection devices for all common
interfaces• High-quality aluminium cases with adapters
2. Surge protection for ICA equipment• Protection devices for multi-core systems• Installed widths of 8 to 17.5 mm• Extremely large frequency bandwidths of up
to 100 MHz
3. Surge protection for telecommunicationsequipment• Easy installation• Low protection level, high conductivity• Broadband-compatible
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Protected Tested safetyAll of OBO’s surge protectionequipment is tested in compliancewith the standards in our own BETTest Centre, and comes with afive-year guarantee. A whole seriesof national and international testsymbols testify to the quality of ourproducts.
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Application examples: Surge protection systems
Small device, big effect: upstreamsurge protection can protect busi-ness systems against failurescaused by voltage surges.
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Protected
Protection against voltage surgesis essential in the field of instru-mentation, control and automationequipment, but also for powerequipment. Products specially de-veloped by OBO offer ideal protec-tion for automated systems, windpower and photovoltaic systems.
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Where we develop and test the products ofthe future
The BET Test CentreLightning is on the menu at OBOBettermann’s own test centre. Thelightning protection experts heretest lightning and surge protectioncomponents, lightning protectionstructures and surge protectionsystems. Scientific studies are alsoconducted to investigate the effectof lightning events.
High-end equipmentThe BET Test Centre has a test ge-nerator that can conduct lightningcurrent tests at up to 200 kA, anda hybrid generator for surgevoltage tests at up to 20 kV. Bothgenerators were developed in con-junction with Soest University ofApplied Sciences.
Standard-compliant testingTop of the agenda at the testcentre is the expert testing ofOBO’s transient and lightning pro-tection. This includes testing newlydeveloped products, modifying ex-isting products and comparinglightning protection components,surge protection equipment andlightning arresters. Surge arrestersand all of our protective equipmentfor data and telecommunicationslines are tested in accordance withIEC and national standards.
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Ultra-modern production for the utmost quality
Flexibility and efficiencyAt OBO Bettermann we are alwayslooking for ways to optimise pro-duction processes. Every singleOBO employee in production useshis or her expertise to help devel-op the company. Our considerableproduction depth and high level ofprocess automation give us excep-tional flexibility and efficiency, andour production facilities are clearlysegmented.
Transparency and effectivenessAt the same time, OBO strives fora maximum of transparency for itsstaff and customers. To this end,all of the company’s objectives,processes and data are continu-ously measured, depicted and, ifpossible, improved on. The con-stant development and modernisa-tion of production facilities repres-ents the foundation of OBO’s suc-cess.
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We can support you in every phase of your project.
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Customer service and credibilityFriendliness, reliability and com-petence create acceptance, cred-ibility and lasting working relation-ships. These shared values arisefrom OBO’s consistent orientationaround the wishes and needs ofits customers. Close partnershipswith customers is OBO’s foremostpriority.
Help and adviceAnswers to questions aboutproducts and installation, planningadvice for complex projects –OBO’s staff will help you throughevery phase of your project, nomatter what field it is in. We areconstantly improving the supportwe provide in every phase of col-laboration, laying the foundationsfor genuine partnerships.
Speed and reliabilityOptimised procedures and highlydeveloped logistics ensure thatOBO products are in the rightplace at the right time, anywhere inthe world. OBO offers compre-hensive support for large-scaleprojects, from planning all the wayto installation.
Production location
Subsidiary
Representative
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Safety needs experience.
Experience and innovationOBO is one of the world’s most ex-perienced manufacturers of light-ning and surge protection sys-tems. Since the 1920s, OBO has
been developing and producingstandard-compliant lightning pro-tection components. Countlessnew – such as the first pluggabletype 2 protection device to receivea VDE test symbol, and the first
pluggable type 1 protection deviceto feature carbon technology –have created the foundations forour unique overall range.
1920OBO begins to produce lightning protectionholders.
1930OBO adds earthing equipment to its productrange.
1932The first ever OBO equipotential bonding railsare produced.
1981The V15 arrester sets new standards in surgeprotection.
1987OBO launches the first pluggable arrester ontothe market, the V20.
1995OBO establishes its own testing centre.
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39OBOTBS
16,256,225A number speaks a thousandwords: more than 16 million of our1809 equipotential bonding railshave been produced to date.
2000The MC50 represents a milestone featuringcarbon technology.
2010The NetDefender combines maximum speedwith maximum security.
2010The isCon® system opens up completely newpossibilities in external lightning protection.
2011OBO continues to expand its range of com-plete photovoltaic solutions.
2012The MCF arrester is developed specially for thedemands of wind power.
2013The Tele-Defender offers lightning and surgeprotection for incoming telecommunicationslines.
OBO BETTERMANN GmbH & Co. KGP.O. Box 112058694 Menden, Germany
Customer Service GermanyTel. +49 (0)2373 89-1700Fax +49 (0)2373 89-1238E-mail: [email protected]
www.obo-bettermann.com
THINK CONNECTED.
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