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Dehn - The reliable protection of buildings, electrical and electronic systems as well as human lives is the focus of DEHN's corporate orientation. For more than 100 years, the company DEHN&SÖHNE GmbH Co. KG, based in Neumarkt/Germany, has been characterized by a pioneering spirit and innovations and has made DEHN a global market leader in surge protection, lightning protection and earthing as well as occupational safety. The company's technological leadership and innovative strength lead to the development of high-quality products for surge protection and make DEHN one of the leading solution providers for modern protection technology. The company DEHN is committed to research and development for innovations as well as for the constant improvement of its own products, their quality and ease of assembly. Of course, the feedback from standardization committees and from cooperation with external research institutions and universities also flows into new and further developments. DEHN contributes its own knowledge at specialist conferences and congresses worldwide, thereby promoting the further development of specialist topics. More than 300 national and international patents, inventions and awards demonstrate the continuous success of DEHN's activities and the quality of its products and solutions. In all development activities and product improvements, the company always has the wishes and needs of the customers in mind. The focus is on continuously increasing safety in a wide variety of applications. In terms of corporate orientation, the company bases its products on high and uniform quality standards. The product designs are constantly adapted to the normative framework and the technical requirements of the respective areas of application. With its quality products for surge protection (Red/Line for energy technology, Yellow/Line for data, information and MSR technology), DEHN is one of the leading solution providers for modern protection technology.

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Surge protector - measur./control - Modern sensors, measuring devices and probes monitor and control complex and interdependent processes. Protect these operations from power surge failures. We will introduce you to different MSR surge arresters and support you in your purchase decision. Automated processes intervene deeply in a building management system or in production processes. As a result, a very high degree of availability of the determined and transmitted measurement data and control signals is required. Surge protection devices make a significant contribution to safeguarding the function of this technology in the event of voltage peaks of all kinds. Depending on the risk potential and the level of protection required, select the surge protection devices that are right for you and combine them with other protective circuits if necessary. Image: Dehn DPA-M-CLE-RJ45B-48 surge arrester What are MSR surge arresters? MSR stands for measurement technology, control technology and regulation technology. MSR technology is used in particular within modern bus systems and telecommunications systems. Private and industrial areas of application are: air conditioning and refrigeration systems heating systems and ventilation systems the field of water technology and waste water technology the electronics sector and smart home The MSR overvoltage protection devices are used in electrical engineering to limit and divert overvoltages in electrical lines. Particularly sensitive measuring devices and control devices can be damaged by overvoltages, incorrect measurement data can be determined and incorrect control signals can be sent. But how does the overvoltage come about? Lightning strikes, short circuits, electrostatic discharges or switching operations by the network operator generate mains voltages which are well above the normal value of 230V in Germany. The consequences of such an event depend on the level and duration of the overvoltage and the speed of the voltage pulse. The MSR surge arresters (Surge Protective Devices SPD) are usually installed directly in front of the signal inputs of the measuring devices and control devices to be protected. In the context of a three-stage overvoltage protection, these represent the so-called fine protection (type 3). What is measurement technology, control technology and regulation technology? MSR technology records a wide variety of situations and states within automated processes. Depending on the type and area of application, individual parameters are determined using different measurement methods. Typical measured variables are temperature, pressure, speed, humidity or chemical composition. These measured variables are converted into electrical signals such as current, voltage or resistance and serve as the basis for triggering logical actions. How is an MSR surge protection constructed? A general overvoltage protection is usually structured in three stages and is part of the internal lightning protection of a building. There are different requirement classes for overvoltage protection devices. We distinguish between type 1 (rough protection), type 2 (medium protection) or type 3 (fine protection). When selecting suitable protective devices, the type of possible fault and the type of device to be protected are considered. This results in a combination of different surge arresters adapted to the respective needs, which together ensure coarse, medium and fine protection. Type 1 coarse protection devices are used to divert high lightning currents. These reduce the residual voltage of an overvoltage to a level between 6000 volts and 1300 volts. Type 1 devices are usually switched before the house installation. This means that the high lightning current cannot even reach the house distribution system. Type 2 devices provide medium protection. They reduce the residual lightning voltage to values between 2000 volts and 600 volts. They are installed, for example, in the sub-distributors of individual apartments or parts of buildings. Medium protection devices also limit dangerous transient overvoltages. These are caused by the switching of transformers, circuit breakers, motors or inductive loads. Already knew? Surge arresters are not disposable fuses. The devices can ensure reliable protection over a long period of time and do not need to be replaced after they have been triggered. The Type 3 overvoltage protection further reduces the remaining overvoltage. These devices provide fine protection and protect against voltages up to a level of 1000 volts AC or 1500 volts DC. The MSR surge arresters available in this eibabo® catalog belong to this category. Are MSR Surge Arresters Really Necessary? Whether special protective measures against overvoltage are required for your MSR devices must be considered individually for each installation. Estimate the risk objectively, taking into account the probability of overvoltages and overcurrents. Base this assessment on all existing parts of your protective measures against overvoltages. Include the risk of electromagnetic phenomena such as lightning discharges or earth potential rises in your considerations. Ultimately, you should achieve reliable protection for your entire system. Please consider the organizational and financial consequences that the failure of important measurement and control devices would have for your operational processes. When should I choose an MSR surge arrester? Power connections and data lines are an integral part of our everyday lives. Stable signal transmissions are essential for smooth business operations, and not just in industrial or commercial environments. Our high-tech lifestyle also demands reliable connectivity. If you recognize yourself in any of the following questions and answers, then MSR surge arresters are for you. Do you value security? Security devices such as alarm systems, door intercom systems, access controls and emergency call devices only offer complete protection if the power supply, the monitoring sensors and the data lines work permanently. MSR surge arresters protect those systems that ensure your protection. You don't want to do without the amenities of modern living comfort? A lot of planning, work and money goes into modern smart home installations. The automatic control of temperatures, shutters or multimedia applications enable a comfortable living environment. With MSR surge arresters, this convenience is maintained even in the event of an overvoltage. TIP:Investing in reliable surge protection is usually less expensive than replacing, repairing, and installing new equipment. Would you like to secure your independence? The production of your own electricity is becoming more important every year. Modern and environmentally friendly mobility solutions and heating systems rely on electricity from your own photovoltaic system. The efficient use and storage of electricity requires complex control devices. With an MSR surge arrester, you can protect this expensive technology from surge damage. You retain your independence from energy suppliers. Do you want to protect investments and preserve property? Real estate is an investment and provision in one. The technical equipment of a building has a significant influence on its value. By using MSR surge arresters, you not only get the building services, but also your old-age provision. In our catalog you will always find the right surge arrester tailored to your requirements for your individual device variants. You get the best quality at low prices. Well-known manufacturers are ABB, Dehn, Hager, Phoenix, OBO, Kathrein, Weidmüller and many others. Catalogue content: In this eibabo® catalogue Earthing, lightning and surge protection > Surge protection device for data networks/MCR-technology you will find items from the following product groups: Item overview: Building technology Built-in protection device Combined protection Data line protection Data networks Device protection DIN rail DIN rail lightning rod Field device technology Gas discharge capsule Information technology Lightning arrester Lightning protection Mains protection Mains surge protection Overcurrent protection Overload Overvoltage protection Phone protection Standard signal protection Surge fine protection module Surge protection device Surge protection module Surge protection plug Telecom Surge Protection Telecommunication socket Telecommunications strip conductor Varistor arrester from the following manufacturers: Manufacturer overview catalogue Surge protector - measur./control: ABB Astro Strobel Auerswald CobiNet DEHN Hager Hirschmann Kathrein Mobotix OBO Phoenix Schneider Electric Siemens Telegärtner Televes Weidmüller Wisi

Combined arrester - meas./control - What is the purpose of a combination arrester for MSR technology? It is difficult to predict when and where lightning will strike, and overvoltages always pose a risk to electrical installations. It is therefore advisable to always protect all electrical systems from damage caused by external influences. MSR technology stands for modern measurement, control and regulation technology. It is used in particular in the areas of refrigeration, heating and air conditioning systems. But MSR technology also controls complicated, interdependent and interdependent processes in the water, waste water and electronics sectors. With a combi arrester from the eibabo online shop, you protect your sensitive MSR technology as well as your telecommunications and bus systems from damage caused by lightning and overvoltage. For example, we offer you reliable discharge technology from Dehn at attractive prices.Catalogue content:In this eibabo® catalogue Earthing, lightning and surge protection > Combined arrester for data networks/MCR-technology you will find items from the following product groups:Item overview:BC combinationBuilding technologyC arresterCellular protectionCenter protectionClass C arresterCoarse, fine protectionCombined arresterCombined arrester for data networks/MCR-technologyCombined arrester for information and measurement and control technologyCombined arrester with Ex versionData line protectionDevice protectionDIN rail arresterDIN rail lightning rodFine protectionInformation technologyLightning protection moduleMedium, fine protectionMobile protection plugMSR protectionOver voltage protectionOvervoltage protectionPhone protectionProtective plugRough protectionSurge protection moduleWestern protection modulefrom the following manufacturers:Manufacturer overview catalogue Combined arrester - meas./control:DEHNOBOSchneider ElectricSiemensTelevesTriax

Electrical material - Electrical technology and electrical material surround us in virtually all areas of our lives and it is unimaginable to do without them in our daily routines. Especially because the subject areas are so diverse, ranging from entertainment equipment in the living room, right down to electrical distribution boxes in manufacturing companies, we now view the use of electrical material as something natural, without really stopping to think about it. Electrical technology and electrical material are in fact so complex, however, that even a simple categorization is often difficult. Yet this does not diminish the importance of the topic, which is evident by the fact, among others, that already in the early stages of various projects, the use of electrical technology is generally planned down to the finest detail. If we simply take the example of a new home-building project, even prior to the ground-breaking ceremony, it is already necessary to specify the exact type and manner in which electrical material is to be used. In the phase of basic installation, there are frequently very practical questions: What type of cables and wires (e.g. sheathed cables, underground cables, coaxial cables) and tubes (e.g. FBY cable conduit) should be installed and how long should they be? What type of sealing material should be used, and what kind of in-wall casing is appropriate? The brand manufacturer Kaiser, for example, offers very attractive options with its ThermoX, HaloX and FlamoX basic installation solutions. Moreover, the question arises where the sockets and connections are located in the new structure. The eibabo® online shop offers you the right items for electrical installation, and because only the highest standards are good enough for our customers, we exclusively carry top products of the most well-known premium manufacturers such as ABB, Cimco, Dehn, Eaton, Finder, Hager, Hensel, Kaiser, OBO, Phoenix, Rittal, Siemens, Spelsberg, WAGO and many more. In the implementation of projects, the basic installation is often seamlessly followed by decisions on the use of plug-in systems and plug connectors. These are mainly found in home connections, sockets and other cable connections, and are installed to provide electricity for users. The eibabo® shop encompasses a broad spectrum of topics, including more than 25,000 items in the area of electrical technology alone, helping you to find high-quality material for your individual needs. Another typical use for electrical material are electrical installations, which can no longer be viewed as a matter of secondary importance, particularly with regard to increasingly frequent networking. In addition to known elements such as residual current circuit breakers, electrical meters and control cabinets, products involving lightning surge protection are becoming more and more important. Modern, intricate devices typically are very sensitive to voltage fluctuations, which often makes them very prone to damage and function errors. This is where surge protection devices from name-brand manufacturers such as Dehn, Eaton, Hager, Phoenix, along with additional electrical material from the eibabo® shop can provide the proper remedy.

Cover switch-button-dimmer - Do you prefer plain and simple covers for switches and buttons? Or may it also be something extravagant? We offer a huge range and show you what colours, shapes and styles are there? At eibabo® you will find blind covers and switch covers that make our home functional, comfortable and individually adjustable. This includes covers for room temperature controllers and dimmers from over 20 brand manufacturers at top conditions.PICTURE: Busch Jaeger 2504-2014 blind rockerWhat are covers for switches and buttons?Our life is hardly imaginable without power connections in the house. We operate light switches and plug sockets several times a day. Anyone involved in the planning and construction of a building knows the importance of covers for switches and sockets. Trouble-free functionality, simple design, durability and safety are what count in everyday contact with the interfaces to the power grid. How are these devices constructed? Roughly speaking, conventional switches and buttons consist of an insert, a frame and a cover.The insert consists of the switching technology or the technology for the button and is installed in a switch box.The cover frame forms the outer ring of a socket, button, switch or other insert.The covers fill the frame and ensure that we can safely operate switches, buttons or sockets. The manufacturers have adjusted to the needs of their customers. These offer switch programs with which you can determine the appearance of your switches, buttons and sockets yourself. Covers are available as:Rocker switches, rocker switches and double rockers for lights, blinds, heating and the likeCentral plate for sockets, network sockets and other mediaCable outlet or key switchBlind cover without functionalityCentral disc for dimmers, sensors, temperature controllers Can covers for switches and buttons be combined with frames from other switch ranges?The answer is yes and no. Inserts, frames and covers are standardized, but the details can differ. Why is that? The standard refers to DIN 49073:2007-09. This prescribes the typical dimensions of a switch box (diameter: 60 mm or 68 mm. Depth: 40 mm to 66 mm). The switch ranges of all manufacturers fit into your existing and standardized switch boxes. The situation is different if you want to combine different switch ranges. Although all switch series correspond to the basic installation standard, there are differences in design. As a result, some series are not compatible with other series. Particularly exclusive switch programs are usually also not compatible with other programs. These are usually made of glass, brass, brushed aluminum or stainless steel. TIP:When combining white parts, make sure they have a matching color number (RAL) and the same surface treatment. There may be minor differences. Some covers for buttons and switches match cover frames from other series and manufacturers in terms of shape and size. This allows you to design the control elements in your living room or work area very individually. If you want to combine, we recommend matching the inserts and cover first. In many cases, you will receive these devices as a matching set. This results in the choice of a suitable framework. Many manufacturers produce standardized frames with a cut-out of 55x55mm or 50x50mm. These fit onto correspondingly standardized covers and inserts. Then swapping, combining or varying is possible. If you are not sure, please look at the product description and compare the dimensions given.How do I remove a cover for switches and buttons?You can replace covers for sockets and switches yourself. Please pay attention to your safety, because after removing the covers the current-carrying contacts are exposed. When working with electricity, please disconnect the power supply beforehand. In most cases, the cover or the central plate is screwed to the insert with a small, centrally located screw. You can simply loosen them and carefully pull off the cover.cleaningCentral plates, central discs, rocker switches and cover frames are often touched. We recommend regular cleaning. With a rinse cycle in the dishwasher, all parts become clean again.Some materials are sensitive to heat or water. For example, clean metal covers by hand. Please make sure that the cleaned parts are absolutely dry before you start the cultivation. Place the frame behind the cover and screw it to the insert.Is there a cover for buttons and switches for outdoor use?A special feature are the covers for outdoor use. This is due to the necessary protection against dust, dirt and water. The optimal switch range for use outdoors or in damp rooms is at least IP44 splash-proof. This should also have a reinforced frame, be made of robust material and be mountable to protect it against theft. As a rule, you do not receive such covers individually but in a set. TIP:Many outdoor covers are visually very appealing. These can also find a place in the interior design. Please do not use interior covers in damp rooms or outdoors. As a rule, these switch ranges do not offer the necessary protection.Do covers for switches and buttons break easily?Covers for switches and buttons are actuated several times a day, depending on where they are used. However, the loads on the material are low. The high-quality products from all major manufacturers have proven to be very robust in everyday use. With careful handling, the covers can last for several decades. During assembly and disassembly, there is a risk of damage if, for example, you overtighten the assembly screw. Benefit from our huge selection and the low prices for covers from Alre-it, Berker, Busch Jaeger, DEHN, Eaton, Elso, Eltako, Gira, Hager, Jung, Legrand Bticino, Legrand SEKO, Merten, OBO, Peha, Rademacher, Siemens , Somfy, Tehalit and Thebes. The products in our catalog are sorted by relevance. This makes it easier for you to find the right item for you. Catalogue content:In this eibabo® catalogue Domestic switching devices > Control element/cover plate for domestic switching devices you will find items from the following product groups:Item overview:ActivityAntique brassBlank panelBlind switch toggleCentral diskControl surfacesDouble switchEmergency call systemExtensionFull plateHeating emergency switchLight emission windowManufactureMocha metallicNurse emergency callResidual currentRotary dimmerSensor insertShaver socketShutter buttonShutter controlSignal colourSurface frameTactile controlTemperature controllerTimersTitle blocksToggle switchfrom the following manufacturers:Manufacturer overview catalogue Cover switch-button-dimmer:Alre-itBerkerBusch JaegerDEHNEatonElsoEltakoGiraJungLegrand BticinoLegrand SEKOMertenPehaRademacherSiemensSomfyTehalitTheben

Basic enclosure - Imagine you want to protect electronic devices from water, heat, moisture or touch. These can be standard infrastructure devices such as switches, relays, counters or actuators, or other devices. For this purpose, the eibabo® shop offers high-quality empty housings at top conditions. You will find a large selection of plastic and aluminum empty housings for the installation and set-up of electrical distribution boxes and other electrical distributors.What are empty housings?An empty housing is usually a lockable box that accommodates, protects and encloses electronic components such as switches, relays, actuators, power supplies and meters. The housings can be made of different materials. Appropriate sizes are offered according to usage, purpose, environment and cost.What is the difference between the empty housings?Empty housings for electrical distribution are available in various designs. With regard to installation, you can choose between surface-mounted or flush-mounted installation. Depending on the application, such empty housings can be made of painted sheet steel, aluminium, stainless steel, insulating material or plastic. Choose a material that meets your planning needs.Surface mounting or flush mountingChoosing the right type of mounting should not be neglected to ensure safety and achieve optimal functionality. The surface-mounted version is the more common way of installing empty housings. In this case, the attachment is made directly to the wall and the cables are fed into the housing outside the wall. With flush-mounting, the empty housing is let into the wall. The cables are laid inside the wall. Both variants have both advantages and disadvantages:on plaster:easy installationFlexible design optionsNo major conversion work necessarySurface mount can be annoyingCables can be damaged more easily under plaster:Protection against dust and moistureGreater security by laying the cables inside the wallCan be more aesthetically pleasingElaborate installationConversion work often necessary TIP:When installing meters, we recommend empty housings with a transparent cover. This means that the meter reading can be taken directly without having to unscrew the cover. Empty metal housingAluminum housing and stainless steel housing offer good protection for the devices inside. Empty metal enclosures are commonly used as outdoor fuse boxes and electricity meters. In commercial establishments, these enclosures are often used to enclose power equipment around the building or production facility. In industrial plants, metal enclosures protect and protect sensitive electronic components from accidental impact and dirt. Collisions with forklifts or other moving machinery can happen at any time. With metal housings, you prevent interference in electrical systems and thus protect not only the technology, but also the people in the vicinity.Empty plastic housingEmpty plastic enclosures are often made of high-density polyethylene, a strong thermoplastic material. This is resistant to cold, heat, liquids and corrosion, as well as being durable and inexpensive. Other plastic housings are made from acrylic, polyvinyl chloride, polypropylene, or polyamide, for example. The advantages of these variants are:in light weightin cheap pricein the individual formability in the production for special requirementsin the insulating material properties These housings are used wherever no high mechanical or safety-related loads are to be expected. Rather, these empty housings protect against external influences such as contact, dust and water. It is therefore particularly recommended to observe the respective IP protection class for these variants.Picture: Hensel FP 0241 ENYSTAR empty housingWhich IP degrees of protection are recommended for empty housings?The IP degrees of protection classify the protective effect / sealing effect of an empty housing for electrical devices against the ingress of foreign bodies such as tools, dirt and liquid water. IP degrees of protection are defined by the international standard EN 60529.Already knew?The term 'protection class' has nothing to do with the IP protection classes. In electrical engineering, the protection classes describe the protection of electrical equipment to prevent an electric shock when touched. There are protection classes 0, I, II and III and are usually shown as symbols on the respective devices.The rating consists of the letters IP followed by two digits. The higher the number, the better the protection. The first digit describes the degree of protection that the housing offers against the ingress of solid foreign bodies. These can be pointed tools, sticks, fingers or dirt and dust in the air. Anything that could damage the circuitry or mechanics of the installed equipment. The second digit defines the protection of the devices inside the housing against various forms of moisture. This protection area begins with light drops and leads to splashes and water jets to submersion.Be sure to select an IP protection class that corresponds to the place of use and the probability of hazards occurring. If a housing is installed in a lockable and always dry house connection room without a water connection, a low degree of protection is sufficient. When used outdoors or in other dirty and damp environments, the IP protection class should be as high as possible. The IP 67 ensures, for example:a tightness against foreign bodies up to dustdevice protection even in the event of brief submersion at a depth of up to 1 meter for a maximum of 30 minutes How should I protect my empty housing from unauthorized access?In addition to protecting the installed technology from external influences, empty housings for electrical devices also protect people. It is irrelevant whether people accidentally come into contact with the housing or want to gain access willfully. If a housing is freely accessible, you will certainly ask yourself whether a normatively flawless locking system has been implemented. At this point it should be said right away that you don't have to worry about it. Protection against unauthorized access is not possible. Nevertheless, all empty housings must be able to be closed in some way. Each manufacturer has its own technology. Plastic screws or metal screws are often used to connect the lid to the box. In other words: Opening and closing is done using classic tools (including screwdrivers) or by releasing locking mechanisms. For security reasons, 'locking' an enclosure is not permitted. In an emergency, access to the internal devices must be guaranteed at all times.Where can I buy cheap and high-quality empty housings?The eibabo® shop offers high-quality, robust and durable empty housings for use as electrical distribution boards, iso housings, housings for field distributions or industrial housings. Well-known manufacturers include Dehn+Söhne, Spelsberg, Rittal, OBO Bettermann, Eaton (Moeller), Hensel, Hager, Klauke, Rose System, Televes, as well as von Striebel&John, Schneider Electric, Siemens, Triax and GSAB Elektrotechnik. Catalogue content:In this eibabo® catalogue Distribution boards > Empty cabinet you will find items from the following product groups:Item overview:Arrester housingBase plateBuilt-in housingCable management frameCompensating panelControl cabinet baseCounter systemEngineering centerFiber optic distributorFire protection cabinetFuse junction boxHeadend moduleHood distributorLightning arrester housingMeter boxPressure fan cover setProtective housingScreenSide edgeSide panelSingle housingSpare PartsSplitter housingStand housingSwing frame coverSystem caseVending machine boxVentilation socketfrom the following manufacturers:Manufacturer overview catalogue Basic enclosure:ABLABNAstro StrobelBachmannBoplaCobiNetConrad ElectronicCorningDehnDiverseEatonGSABHagerHenselIlmeIndexaKlaukeLegrand BticinoMicrosensOBORockwellSchneider ElectricSiemensSpelsbergStahlStiebel EltronStriebel & JohnTelevesTriaxWieland

Voltage tester - In order to ensure safety when handling electrical power, it is always an advantage to check before starting work which components are live and which are not. You can obtain reliable voltage testers for this from the eibabo technology store. The offer includes, for example, two-pole voltage testers, which have two test probes and, depending on the model, indicate the presence of voltage on a manual scale with a pointer, a glow lamp or a light-emitting diode or an LED display. In addition, high-quality voltage testers are available for industrial use. These are used to determine the absence of voltage at all poles according to certain DIN standards in electrical systems and can be used for switchgear and overhead lines. Depending on the model and equipment, these have self-testing devices and some are even approved for work in the rain.Catalogue content:In this eibabo® catalogue Safety devices > Voltage detector you will find items from the following product groups:Item overview:DC voltage testerHigh voltage testerMedium voltage testerPhase checkerPhase indicatorSafety rulesVoltage detectorVoltage indicatorVoltage testerWeb tension testerfrom the following manufacturers:Manufacturer overview catalogue Voltage tester:DEHN