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OBO Bettermann isCon BA 45 SW Mounting Instructions

Lightning protection system
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Summary of Contents for OBO Bettermann isCon BA 45 SW

  • Page 1 Mounting instructions isCon lightning protection system ®...
  • Page 2 ® Mounting instructions isCon is a registered brand of OBO Bettermann Holding GmbH & Co. KG ® 2024 OBO Bettermann Holding GmbH & Co. KG ©...
  • Page 3: Table Of Contents

    Table of contents Table of contents About these instructions 1.1 Target group 1.2 Relevance of these instructions 1.3 Types of warning information 1.4 Basic standards and regulations 1.5 Applicable documents Intended use Safety 3.1 General safety information 3.2 Personal protective equipment Necessary tools System description 5.1 Basic principles...
  • Page 4 Table of contents 7.5.1 Mounting the concrete base 7.5.2 Assembling the tripod stand 7.5.3 Fastening the air-termination rod in the tripod stand 7.6 Fastening the air-termination rod to pipes, a wall or T support 7.7 Routing the isCon conductor ® 7.8 Attaching the potential connection 7.8.1 Installing the potential connection on an insulated air-termination rod 7.8.2 Installing the potential connection on the end of the isCon...
  • Page 5: About These Instructions

    About these instructions Target group These mounting instructions are intended for specialists who are qual- ified to erect lightning protection systems, e.g. lightning protection spe- cialists. These specialists must know the lightning protection standards applicable at the mounting location, as well as the generally recognised rules of technology.
  • Page 6: Applicable Documents

    Such weather conditions can seriously reduce the lifespan of the isCon system. ® The system is not designed for any purpose other than the one de- scribed here. 6 | EN OBO Bettermann...
  • Page 7: Safety

    If the system is installed and used for another purpose, any liability, warranty or damage claims shall be rendered null and void. If you require information on the use of the OBO isCon system for ® something other than the conditions of use described here, please speak to your OBO contact.
  • Page 8: Personal Protective Equipment

    If there is a direct lightning strike, the incoming energy is arrested through the isCon conductor to the building’s earthing system. ® There is no direct arcing between the conductor and the building to be protected. 8 | EN OBO Bettermann...
  • Page 9: Iscon ® Conductor

    The isCon lightning protection system is a high-voltage-resistant, ® insulated conductor according to IEC/EN 62305-3. The isCon system is ® tested according to IEC TS 62561-8 and has an arresting capacity of 150–200 kA lightning surge current (10/350 μs), depending on the con- ductor used.
  • Page 10 OBO connection elements (see also “5.4 isCon connection elements” on page 14). ® isCon BA 45 isCon Pro 75 isCon Pro+ isCon Pro+ isCon PR Type 75 SW 75 GR 90 SW Colour Black Black Black Grey Black 10 | EN OBO Bettermann...
  • Page 11 isCon BA 45 isCon Pro 75 isCon Pro+ isCon Pro+ isCon PR Type 75 SW 75 GR 90 SW Equivalent separation distance, air ≤ 45 ≤ 75 ≤ 75 ≤ 75 ≤ 90 (cm) Equivalent separation distance, ≤ 90 ≤ 150 ≤...
  • Page 12: Insulated Air-Termination Rods

    1,500 mm to the equipotential bonding, which is connected at the bottom end of the insulated rod (see also Fig. 12 No. 4). The system comprises three types of air-termination rods. This means it can be used in different mounting situations. 12 | EN OBO Bettermann...
  • Page 13 Fig. 4: Three air-termination rod types (without potential connection) Air-termination rod with internal isCon conductor and side exit ® Air-termination rod with external isCon conductor ® Air-termination rod with internal isCon conductor and bottom exit ® Overall Corresponding Diameter Type Type Item number length...
  • Page 14: Iscon ® Connection Elements

    Connection element with Connection element for internal isCon ® adaptive switching isCon ASE IN 23 5408082 conductors with the option of insulation element, internal testing. Tab. 4: Technical data of the isCon air-termination rods ® 14 | EN OBO Bettermann...
  • Page 15: System Accessories For Fastening

    System accessories for fastening Tripod stands (see section 5.5.1) or supports for wall or pipe mounting (see section 5.5.2) can be used to fasten the isCon air-termination rods. ® In addition, the system offers special holders for the isCon conductor ®...
  • Page 16 The concrete blocks can be stacked to increase the stand weight (e.g. for increased wind speeds) (see Fig. 8). Additional concrete blocks can be mounted internally in the tripod stands of diameter 1,500 mm (unfolded). 16 | EN OBO Bettermann...
  • Page 17 Fig. 8: Increasing the stand weight by stacking the concrete blocks Fig. 9: Concrete base with fastenings Hexagonal nuts (with washers) for height compensation Lock nut (with washer and plate) Concrete base Edge protection Threaded rod Product Type Item no. Features Material Weight: 16 kg;...
  • Page 18: Air-Termination Rod Support For Isfang Mounting

    ∅ 50 – 300 mm ∅ 50 – 300 mm ∅ 40 – 50 mm max. 50 x 70 mm ∅ 50 – 60 mm Fig. 10: Support for wall or pipe mounting of the isFang air-termination rods 18 | EN OBO Bettermann...
  • Page 19 Ø isCon air-termina- Type Item no. Features Material tion rod [mm] isFang TW30 5408952 40/50 Surface mounting, distance from wall 30 mm isFang TW80 5408950 40/50 Surface mounting, distance from wall 80 mm isFang TW200 12 5408910 40/50 Surface mounting, distance from wall 200 mm Surface mounting, variable distance from wall isFang TW200 5408954...
  • Page 20: Holders For The Iscon ® Conductors

    H280 26 VA 5408074 Ø 26 mm; V2A Roof conductor holder PA isCon H280 PA 5408049 Ø 23 mm; PA black for pitched roofs isCon H280 26 PA 5408072 Ø 26 mm; PA grey 20 | EN OBO Bettermann...
  • Page 21: System Accessories For Connection

    Product Type Item no. Features Material: GRP; clamping range Ø 23–26 mm; Spacer for height 1,000 mm, can be shortened; for mount- stand-off routing of the isCon DH 5408043 ing on FangFix concrete block, 10 kg, with isCon conductor ® edge protection Tab.
  • Page 22 HWS 5408058 fastening holes Ø 6.5 mm protection system Information sign for Self-adhesive, with 4 labelling of the lightning isCon HWS EN 5408059 fastening holes Ø 6.5 mm protection system Tab. 9: System accessories for connection 22 | EN OBO Bettermann...
  • Page 23: Planning An Installation

    Planning an installation When planning the lightning protection of buildings, take the following aspects and possible activities into account: – Determine the protection area, the required height and the arrange- ment of the air-termination rods, according to IEC/EN 62305-3. – Calculate the necessary separation distance (see „6.2 Calculating, checking and maintaining the separation distance“...
  • Page 24: Schematic Diagram Of The Iscon

    5057 599 2332 784 5408 952 5408 043 5408 036 5408 056 ≤ 1 m 5408 022 5336 058 Fig. 13: Installation of the isCon system using the example of the Pro+ 75 SW ® conductor 24 | EN OBO Bettermann...
  • Page 25 Air-termination system IEC/EN 62305-3 Section 5.2 must be taken into account when plan- ning the design of the air-termination system. The height and arrange- ment of the air-termination system must be designed in such a way that the objects to be protected are located in the protection area. Note! If there is a lightning strike, the upstand on the edge of the flat roof (parapet) must not carry lightning current and must therefore be com-...
  • Page 26 ≤ 20 cm through the air. Fig. 14: Required separation distance s in the area of the insulated central rod (GRP) Note! The required separation distance s in the area of the insulated central rod (GRP) may vary depending on the distance to the upper connection point. Note! Before designing the lightning protection system, obtain information on the function, general design and location of the structure. Note! During routing in buildings, pay attention to the specified protection measures, e.g. division into fire sections. See the OBO fire protection guide (item number: 9134859) for more information. 26 | EN OBO Bettermann...
  • Page 27: Calculating, Checking And Maintaining The Separation Distance

    Calculating, checking and maintaining the separation distance Note! If the approval authorities, the insurance company or the customer have not yet specified whether the building in question should be protected by a lightning protection system, the planner should carry out a risk evalu- ation according to IEC/EN 62305-2, which will indicate whether a light- ning protection system is required or not. 1. Calculate the separation distance at the connection point of the isCon conductor according to IEC/EN 62305-3 Section 6.3. Measure ® the distance (l) from the connection point of the isCon conductor to ®...
  • Page 28: Conductor Lengths And Lightning Protection Classes

    Note! The values in the table apply to all type B earth rods and for type A earth rods, in which the earth resistance of the neighbouring earth electrodes differs by less than a factor of 2. If the earther resistance of individual electrodes deviates by more than a factor of 2, kc = 1 should be as- sumed (source: IEC/EN 62305-3:2011, Table 12). Installation for lightning protection class II As the isCon Pro, isCon Pro+ and isCon Basic systems have a tested arresting capacity of 150 kA lightning surge current (10/350 μs), a light- 28 | EN OBO Bettermann...
  • Page 29 ning protection system of lightning protection class II can run the light- ning current safely from the air-termination system to another arresting system with a single isCon conductor (depending on the required cable ® length, see Tab. 10). Installation for lightning protection class I In a lightning protection system of lightning protection class I, one isCon ®...
  • Page 30: Installation In Potentially Explosive Areas

    Pro+ conductor beyond the potential connection to ® the equipotential bonding at regular intervals. See „7.8.6 Creating addi- tional equipotential bonding for isCon Pro+ in potentially explosive areas“ on page 62 for more information. 30 | EN OBO Bettermann...
  • Page 31: Soft-Covered Roofs

    2/22 Zone 1/21 Zone Zone 0/20 Fig. 16: Example of the installation of the isCon Pro+ conductor in the Ex zones of a potentially explosive area Soft-covered roofs Soft-covered roofs, for example straw, reed or thatched roofs, are par- ticularly at risk of fire and require increased protection against lightning strikes.
  • Page 32 Fig. 17: Installation example: Soft-covered roof Air-termination rod isCon connection element ® Insulated air-termination rod for internal isCon conductor ® isCon potential connection ® Support for wall mounting Equipotential busbar isCon conductor ® Separator Earthing system 32 | EN OBO Bettermann...
  • Page 33: Installing The Iscon System

    PR 90 SW 5408018 isCon Pro 75 SW 5408008 isCon Pro+ 75 SW 5408002, 5408004, 5408006 isCon Pro+ 75 GR 5407995, 5407997 isCon BA 45 SW 5408014 Tab. 11: Product variants of the isCon conductor ® 7.1.1 Shortening the isCon conductor ®...
  • Page 34: Stripping The Grey External Jacket (Iscon Pro+ 75 Gr)

    Fig. 19: Releasing the grey outer jacketing within the cable routing 2. Using a cable knife, remove the grey external jacketing in the contact area of equipotential bonding elements along a length of 100 mm. 34 | EN OBO Bettermann...
  • Page 35: Revealing The Copper Core For Connection

    7.1.3 Revealing the copper core for connection Risk of injury! CAUTION There are sharp blades in the cutting head of the stripping tool isCon stripper 2. Do not reach into the cutting head of the stripping tool isCon stripper 2! 25 mm Fig.
  • Page 36: Mounting Iscon Connection Elements

    EPPA 004 Fig. 23: Using a cleaning cloth 2. Free the front area of the black, weakly conductive layer or protective jacket from impurities and grease using a cleaning cloth (e.g. OBO item no. 5408060). 36 | EN OBO Bettermann...
  • Page 37 19 mm 25 m m 19 mm Fig. 24: Screwing on the connection element 3. Using a fork wrench (WAF 19 mm), screw the connection element onto the isCon conductor, until the copper core can be seen com- ® pletely in the two screw holes. 10 Nm 10 Nm Fig.
  • Page 38 Using a gas torch or hot air at approx. 120 °C, shrink the heat-shrinkable sleeve and let it cool. Note! In the case of the isCon ASE 23 connection element, when the conduct- ® or is routed, the labelling panel for the testing office must be stuck on at the last fastening point. Note! The yellow, reactive screw lock of the grub screws in the connection element requires approx. 6 hours to harden fully. Only when the screw lock has fully hardened is an increased releasing torque required to re- lease the screws again. 38 | EN OBO Bettermann...
  • Page 39: Assembling The Air-Termination Rod With Internal Iscon

    Assembling the air-termination rod with internal isCon ® conductor Fig. 27: isFang air-termination rod with internal isCon conductor ® Air-termination rod Internal connection element Insulated central rod Potential connection with potential connection element Retaining mast with side exit Air-termination rod stand with side exit Concrete base with edge protection Internally routed isCon conductor with connection element...
  • Page 40 Fig. 29: Screwing the air-termination rod to the connection element 3. Fix the connection element with a fork wrench (WAF 19 mm) and screw the air-termination rod tight to the connection element. 40 | EN OBO Bettermann...
  • Page 41 Fig. 30: Attaching the internal potential connection element Note! The internal potential connection element consists of two half shells. These must be located in such a way that they surround the isCon con- ® ductor and one of the half shells is located centrally beneath the screw holes, so that it can be pressed on using the side screw (see also Fig. 33). 4. Place the two half shells of the potential connection element on the conductor and push them into the retaining pipe. Fig. 31: Pushing the retaining rod into the central rod 5.
  • Page 42 Fig. 33: Connecting the insulated central rod and the retaining rod 7. Tighten the screws at the connection point of the central rod and the retaining rod (20 Nm). Fig. 34: Sticking on the identification plate 42 | EN OBO Bettermann...
  • Page 43 Only for isCon ASE IN 23 connection element: 8. Stick the identification plate to the air-termination rod. Next steps: – „7.5 Fastening the air-termination rod in the tripod stand“ on page 48 or „7.6 Fastening the air-termination rod to pipes, a wall or T support“ on page 53 –...
  • Page 44: Assembling The Air-Termination Rod With External Iscon

    Air-termination rod Connection plate Top connection element Insulated central rod Potential connection with potential connection clip Retaining rod Air-termination rod stand Concrete base with edge protection isCon conductor with connection element ® 44 | EN OBO Bettermann...
  • Page 45 Fastening the isCon conductor on the air-termination rod ® Note! Before assembling the air-termination rod, the isCon conductor must be prepared in the manner described in „7.1 Preparing the isCon conduc- ® tor“ on page 33 and a connection element mounted as described in „7.2 Mounting isCon connection elements“ on page 36. ® For one isCon conductor: ® 24 Nm Fig. 36: Mounting the connection plate for one isCon conductor on the air-termination ® 1. Mount the connection plate (type isCon AP1-16 VA) at the bottom ®...
  • Page 46 ® 1. In addition, fasten the isCon conductor to the air-termination rod at a ® maximum distance of 1 metre through non-metallic strip clips (cable ties, type 555 7.6x380 SWUV). 46 | EN OBO Bettermann...
  • Page 47 Fig. 39: Fastening the potential connection clip to the air-termination rod 2. Fasten the potential connection clip (type 927 2 6-K) to the metallic element at the lower end of the insulated central rod. Next steps: – „7.5 Fastening the air-termination rod in the tripod stand“ on page 48 or „7.6 Fastening the air-termination rod to pipes, a wall or T support“...
  • Page 48: Fastening The Air-Termination Rod In The Tripod Stand

    When erecting the tripod stand, do not reach between moving parts! Risk of damage! ATTENTION When multiple concrete bases are used, the heavy weight can lead to damage to the substrate. If necessary, place protective mats under the concrete base. 48 | EN OBO Bettermann...
  • Page 49 Note! To determine how many concrete bases must be used in the isFang air-termination rod system, we recommend asking a planning office to carry out the static calculations. You can find further information on wind speed zones in the OBO TBS lightning protection guide and national directives. Fig. 41: Mounted concrete base 1. Remove the lock nuts on the threaded rods. Fig. 42: Unfolding and fixing the tripod stand 2. Unfold the tripod stand. 3. Fix the tripod stand by screwing in the three locking screws and the spring washers.
  • Page 50 6. Determine the inclination of the tripod stand (depending on the slope of the roof) using a spirit level. 7. Compensate for the inclination of the tripod stand using the hex- agonal height-compensation nuts (max. 5 degrees). 8. Tighten the lock nuts. 50 | EN OBO Bettermann...
  • Page 51: Fastening The Air-Termination Rod In The Tripod Stand

    7.5.3 Fastening the air-termination rod in the tripod stand Air-termination rod with internal isCon conductor ® Fig. 45: Inserting the air-termination rod in the tripod stand 1. Insert the air-termination rod in the tripod stand from above. Fig. 46: Fastening the air-termination rod in the air-termination rod stand 2.
  • Page 52 3. In addition, fasten the isCon conductor to the air-termination rod ® stand using strip clips (cable ties), whilst maintaining the minimum bend radius (see Tab. 2 on page 11) of the isCon conductor to the ® ground. 52 | EN OBO Bettermann...
  • Page 53: Fastening The Air-Termination Rod To Pipes, A Wall Or T Support

    Fastening the air-termination rod to pipes, a wall or T support The isCon system can offer supports for fastening to pipes, walls or T ® supports for mounting isFang air-termination rods with air-termination rod stands (see „5.5.2 Air-termination rod support for isFang mounting“ on page 18).
  • Page 54: Routing The Iscon Conductor

    – No point of the protective jacket or black, weakly conductive layer of the isCon conductor may come into contact with parts carrying light- ® ning current. – Elements fastening the isCon conductor may be spaced a maximum ® of 1 metre apart. 54 | EN OBO Bettermann...
  • Page 55: Attaching The Potential Connection

    Attaching the potential connection Energy is run through the connected isCon conductor to the building’s ® lightning conductor system. To prevent surface discharge moving away along the surface, the isCon conductor must be connected to the ® equipotential bonding of the structure in the area of the two connection points.
  • Page 56 2 6-K. The potential connection clip is used both to fix the conductor and to earth it, as well as to earth the air-ter- mination rod and the tripod stand. 56 | EN OBO Bettermann...
  • Page 57: Installing The Potential Connection On The End Of The Iscon Conductor

    927 2 6-K Fig. 50: Creating equipotential bonding on the air-termination rod with external isCon® conductor 7.8.2 Installing the potential connection on the end of the isCon ® conductor The black, weakly conductive layer of the isCon conductor must be ®...
  • Page 58 Fig. 51: Minimum distance (x) between the connection element and the equipotential bonding Note! The minimum distance (x) can be derived from the calculated separation distance (see „6.2 Calculating, checking and maintaining the separation distance“ on page 27). Use the formula x = s * 2, in order to calculate the minimum distance (x) necessary (see also Fig. 52). 58 | EN OBO Bettermann...
  • Page 59 Clip distance (x) from the potential connection terminal to the connec- tion element in centimetres Calculated separation distance (s) in centimetres isCon BA 45 SW isCon Pro+ 75 SW/GR and isCon Pro 75 SW isCon PR 90 SW Example: If the calculated separation distance is 60 cm, then the variants isCon ®...
  • Page 60 When screwed directly to the substrate, it also provides equipotential bonding. Note! When using the grey isCon conductor, the light grey external jacket ® must be removed in the area of the conductor holder (see „7.1.2 Stripping the grey external jacket (isCon Pro+ 75 GR)“ on page 34). Fig. 54: Equipotential bonding using isCon H VA conductor bracket on metallic substrate, grey external jacket removed in contact area. 60 | EN OBO Bettermann...
  • Page 61: Routing The Iscon Conductor Without Potential Connection

    7.8.3 Routing the isCon conductor without potential connection (up to ® 45 cm separation distance) The isCon conductor can also be routed without a potential connection. ® When mounted without a potential connection, the minimum distance (x) must be complied with in both directions, starting from the last insulated spacer.
  • Page 62: Installing Additional Potential Connections

    – Use the metallic conductor holder to fasten the conductor to the build- ing structure. – Connect the metallic building structure with the equipotential bonding or with the earthing system. 62 | EN OBO Bettermann...
  • Page 63 isCon H VA ≤ 5 0 0 Fig. 58: Equipotential bonding of the isCon conductor on a metallic surface in a poten- ® tially explosive area Routing on non-conductive building structures When routed along a non-conductive building structure (e.g. stone, concrete or wood): –...
  • Page 64: Mounting Variants

    PAE) to the lightning ® protection ring conductor in front of the connection element . The distance x (= separation distance s multiplied by two) between the potential connection terminal and the rear connection element should be noted. 64 | EN OBO Bettermann...
  • Page 65: Metallic Roof Parapet

    Note! The conductor type isCon BA 45 SW (Basic) can be routed with or with- out potential connection. If the conductor is routed without a potential connection, observe „7.8.3 Routing the isCon conductor without poten- ® tial connection (up to 45 cm separation distance)“ on page 61. Rd 8 Fig. 61: isCon conductor connected to stand-off ring conductor ® Metallic roof parapet If there is a metallic roof parapet which is used as a natural compo- nent of the lightning protection system, the isCon conductor can be con- ®...
  • Page 66 The distance x (= separation distance s multiplied by two) between the potential connection terminal and the rear connection element should be noted. Note! The conductor type isCon BA 45 SW (Basic) can be routed with or with- out potential connection. If the conductor is routed without a potential connection, observe „7.8.3 Routing the isCon conductor without poten- ® tial connection (up to 45 cm separation distance)“ on page 61. Fig. 62: isCon conductor connected to metallic parapet ® 66 | EN OBO Bettermann...
  • Page 67: Internal And External Iscon

    Internal and external isCon conductor ® The mounting example shows the use of an isFang air-termination rod with internal isCon conductor , to which a second, external isCon ® ® conductor is connected. Note! When using the grey isCon conductor, the light grey external jacket ® must be removed before connecting the potential connection (see „7.1.2 Stripping the grey external jacket (isCon Pro+ 75 GR)“ on page 34). The potential connection clip (type 927 2 6-K) must be mounted, in order to create an electrical connection between the black, weakly conductive layer or protective jacket of the external isCon...
  • Page 68: Lightning Protection Class I

    The distance x (= separation distance s multiplied by two) between the potential connection terminals and the rear connection elements should be noted. Rd 8 Rd 8 Fig. 64: Current division to two isCon conductors, e.g. for lightning protection class I ® 68 | EN OBO Bettermann...
  • Page 69: Iscon Conductor Included In The Ring Conductor

    isCon conductor included in the ring conductor ® In areas in which a conventional ring conductor would be difficult to install whilst maintaining the required separation distance (s) (e.g. to roof structures) (see Fig. 65 No. ), the isCon conductor can be integrat- ®...
  • Page 70: Touch Protection

    3. Attach all further conductor holders (type isCon H 26 VA) at a dis- tance of ≤ 1 m. 4. Maintain the minimum bend radius of 260 mm. 70 | EN OBO Bettermann...
  • Page 71 5311 519 5408 056 2146 207 r 260 mm ≤ Fig. 66: Installation of the isCon conductor Pro+ 75 GR as touch protection ® Mounting instructions isCon lightning protection system EN | 71 ®...
  • Page 72: Checking The Lightning Protection System

    – Check that only products of the isCon system, such as connection ® elements, are used during mounting. Replace the parts which are not components of the isCon system with appropriate products of the ® system. 72 | EN OBO Bettermann...
  • Page 73: Carrying Out A Continuity And Insulation Test

    IEC/EN 62305-3. isCon ASE 23 Art.-Nr. xxxx xxx Serienn r. (fortl.) < 0.5 kV W DC > 1.0 kV S DC OBO Bettermann P.O.Bo x 1120 D-58694 Menden Germany TESTING AREA Fig. 67: Carrying out a continuity test Note! With meshed systems, the test sequence must be carried out at each separation point.
  • Page 74: Carrying Out An Insulation Test

    Art.-N r. xxxx xxx Serienn r. (fortl.) < 0.5 kV W DC > 1.0 kV S DC OBO Bettermann P .O.Bo x 1120 D-58694 Menden Germany TESTING AREA Fig. 68: Carrying out an insulation test 1. Open all the separation points of the system to be checked.
  • Page 75 Insulation measurement between the connection element and test point with 500 V DC for ≥ 3 s* Result Measured resistance > 500 MΩ < 500 MΩ = DEFECTIVE = Cable insulation given Measure Function testing complet- Exchange the appropriate isCon conductor including isCon ASE connection elements * Due to the ASE technology used (adaptive switching element), the resistance value displayed on the insulation measuring device may vary.
  • Page 76: Faq

    For this, the requirements and measures from IEC/EN 62305-4 are to be observed. It is recom- mended to switch these cables with suitable surge protective de- vices. OBO isCon can only prevent direct galvanic coupling through ® isolation (arcing). 76 | EN OBO Bettermann...
  • Page 77 OBO Bettermann Holding GmbH & Co. KG P.O. Box 1120 58694 Menden GERMANY Technical Office Tel.: +49 (0)2373 89-1300 technical-office@obo.de www.obo-bettermann.com...