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Insulation monitoring device - How does an insulation monitoring device work and where do I have to use it? What does the device protect against and what advantages does it offer me? Read here why the correct insulation of an electrical system is an essential prerequisite for its safe operation. Protect yourself and your system with high-quality measuring devices and reliable testing technology from the eibabo® online shop.The History of Insulation Monitoring DevicesThe first insulation monitoring device was invented by Walther Hans Bender in Frankfurt/Oder in 1939 and a patent was applied for. It was a device for three-phase systems in brown coal mining. In 1952 the 'Isometer' was protected as a trademark and has belonged to Bender GmbH & Co. KG ever since.Image: Dold IL5880.12 insulation monitorHow does an insulation monitoring device work?An insulation monitoring device is also referred to as a ground fault monitoring device. Connect this between your active power lines and the earth line. With continuous insulation monitoring, you can discover weak points in the insulation of your electrical systems. These can be caused, among other things, by moisture or by age-related fatigue of the material. You want to detect a problem like this before voltage breakdown occurs. Voltage breakdown will damage the insulator and cause sparks or arcing, which can lead to power failures, fires, property damage, and personal injury.The device sends a measuring voltage to your system and monitors it. If there is a ground fault, the measuring circuit between the mains line and the ground is closed. A measuring current proportional to the earth fault thus occurs. A voltage drop occurs at the measuring resistor of the device. Conversely, this means that the insulation resistance of the system is reduced. The insulation monitor registers the change and evaluates it. It is not only the resistance itself that is important, but also its course over time. In the case of undamaged insulation, the insulation resistance asymptotically approaches a certain reference value. term asymptoteA value behaves asymptotically if, over time, it approaches a reference value without ever reaching it. If the insulation resistance falls below the reference value, this is an indication of the increase in the conductivity of the insulator. From this it can be concluded that the insulator has changed chemically due to external influences or that its material is gradually enriched with decomposition substances. If a critical point is reached, the device sends a message. This allows you to recognize the deterioration of the technical condition of the insulation at an early stage and to take the appropriate steps for repair or maintenance in good time.Where is the use of an insulation monitoring device required?The measurement of the insulation resistance is used in local low-voltage networks without an operationally grounded star point (so-called IT power supplies).For explanationBasically, low-voltage systems are divided into TN systems, TT systems and IT systems. The main difference lies in the way of grounding. While residual current is used for monitoring in TN systems, insulation monitoring devices are used in IT systems.Modern insulation monitoring devices have a history memory and record the insulation resistance measurements. The data can be called up later and serve as suitable monitoring evidence during controls.What are the advantages of insulation monitoring devices?With insulation monitoring devices, you continuously monitor safety-relevant circuits for residual currents and residual currents. This results in a number of advantages in daily use:Measurement without switching off ongoing operationsReducing the risk of failure and increasing the availability of monitored electrical systemsReduction of electromagnetic interferenceReducing the risk of fireSaving of time-consuming and expensive maintenance and repairs You also prevent the safety of people and machines and thus avoid accidents, property damage and personal injury.Which manufacturers offer high-quality and reliable insulation monitoring devices?In the eibabo® technology store you only get quality goods from well-known manufacturers. These include ABB, Bender, Dold, Eaton, Pilz, Schneider Electric and Siemens. As a leading specialist center for electrical installations, lighting and smart home, we offer a huge selection as well as:top conditionsmany secure payment methodsshort delivery timeworldwide shippingshipment trackingaccommodating complaints handling   Catalogue content:In this eibabo® catalogue Relays > Insulation and earth fault monitoring relay you will find items from the following product groups:Item overview:Insulation monitoring deviceIso guardIsolation guardMeasuring relayMonitoring relayfrom the following manufacturers:Manufacturer overview catalogue Insulation monitoring device:ABBBenderDoldEatonPilzSiemens
Protective conductor terminal - You take care of the structure of your control cabinet and use various terminal blocks to organize your electrical installation. If you are still missing protective conductor terminals to complete your system, then you have come to the right place in this catalog from our shop. Here you can get all common variants from well-known manufacturers at top conditions. Protective earth terminals belong to the series terminals and were developed for electrical distribution installation. These are capable of accommodating fine-wire, multi-wire or solid conductor cross-sections. Cables with attached ferrules can also be installed in protective conductor terminals.What is a protective conductor?The protective conductor or PE conductor (PE stands for protective earth) is primarily used to connect the masses of electrical devices and conductive elements to earth. The protective conductor is easily recognizable by its green-yellow color.Already knewThe nationwide establishment of the protective conductor in Germany, Austria and Switzerland took several decades. More than 50 years passed from the first proposal to introduce a 'neutral conductor' around 1914 to the uniform definition of the green and yellow marking in 1965.An example: Let's take the classic NYM-J 3x1.5 mm² sheathed cable. Two wires carry current here, the one with the blue insulation and the one with the brown insulation. The third wire is the green-yellow protective conductor, which normally does not carry any current. If a current-carrying phase touches a metallic housing, a so-called residual current flows through it. If there is no protective conductor, the housing is not grounded and the residual current cannot flow. If a person touches the housing, the current is returned to earth via their body. This not only results in an unpleasant discharge, but in some cases leads to burns or, in extreme cases, to an electric shock, which can lead to cardiac arrest. However, if a protective conductor is properly installed, the enclosure is connected to earth through it. The residual current can thus flow off via the protective conductor.In the control cabinet, the incoming protective conductors are sorted and fastened via protective conductor terminals.What is a terminal block or a feed-through terminal block for protective conductors?Terminal blocks fulfill several functions and are among the most important components within a control cabinet. It is mounted on the DIN rail. In general, terminal blocks are connecting elements between the incoming cables and lines of an installation and the actual control cabinet installation. Technically, the special protective conductor clamps do not differ from the clamps for external conductors or neutral conductors, but they are specially designed to accommodate the green-yellow protective conductor. TIPMany ground terminals also have a coloured, mostly green-yellow housing. Their purpose is therefore unmistakable and the terminals in the control cabinet can be recognized as such at first glance. Feed-through terminals are also often mentioned. 'Terminal block' is a generic term that also includes other types of terminals. These include, for example, fuse terminals and relay terminals. Other terms describe the way a terminal is constructed or its ability to connect the conductors. In this context one often hears about one-tier terminals, three-tier terminals, spring-loaded terminals, push-in terminals or screw terminals.Why should I use protective conductor terminals?Feed-through terminals for protective conductors are required connecting elements in the control cabinet between the rigid incoming cables or lines and the following control cabinet installation. These offer the necessary flexibility to connect the protective conductors to the end devices easily and clearly. A clear installation would not be possible without the feed-through terminals. In practice, the incoming cables and lines are clearly laid out on the terminals and the individual wires then lead from there to the devices in the control cabinet. This keeps the entire installation flexible. There are connection points and nodes for checking and changing the system structure.Image: WAGO 2002-3207 three-level terminalEach protective conductor connection that is made assumes a protective function specified in the circuit diagram. This means that both the installation of the system and the function of individual connections are always traceable. This makes later maintenance, additions or repairs easier. Changes are possible at any time by reconnecting individual lines. The rigid supply lines remain unaffected.What is the difference between protective conductor terminals?Each manufacturer builds the protective conductor terminals slightly differently. However, the principle is the same. There are single-level clamps and multi-level clamps. While you can only connect one protective wire in the single-level terminal, several incoming and outgoing lines can be installed in multi-level terminals. A multi-level arrangement saves an enormous amount of space in the control cabinet.Another distinguishing feature is the way the wires are attached. With a screw terminal, the respective wire is fixed with a screw connection. This method is comparatively complex and takes a lot of time. Especially when the system is complex, you save a lot of time by using a spring-loaded terminal. This variant makes the electrical contact using a spring. The spring usually consists of a bent, flat copper contact. The protective conductor must be inserted through a hole in the copper contact. This is only possible if the contact is clamped with a pointed tool. When the clamping tool is removed, the spring pulls back and the protective conductor is jammed. This connection is released in the same way. Push-in mounting is another connection variant. This is similar to the spring-loaded terminal. But unlike the spring-loaded connection, installation is tool-free and therefore even faster. The protective conductor is inserted into the spring shaft of the terminal and the spring locks automatically. You need a tool to loosen the connection. Bend the retaining spring to the side with a small screwdriver and the protective conductor can be loosened. This method saves a lot of time, especially for cores with solid conductors. The use of ferrules is recommended for cores with flexible conductors (strands). Fastening the conductors using insulation displacement terminals is rather rare. Use this variant if your conductors are particularly thin. Here, the contact is made through a small cut in the insulation. Cheaper in a setProtective conductor terminal blocks are available individually or in sets of 25, 40 or 50 at an attractive price advantage. The cross-section of the protective conductor also affects the protective conductor terminal. Here in the shop you can get the right protective conductor terminals for all common cable cross-sections. Whether a clamp can be used for a specific cross-section is usually stated on the clamp.Why are protective conductor terminals not closed on one side?The space in a control cabinet is almost always tight. The storage capacity of a control cabinet is generally specified in module widths (HP). Protective conductor terminals are not manufactured according to this grid dimension, but as narrow as possible. The width is determined by the design of the electrical connection and the cable cross-section. Since the terminals are mounted directly in line, there is no risk of touching the contacts on the open sides. Without the second side cover, a terminal is slightly narrower. A cover is only attached to the last terminal in a row. The narrower the individual terminal is, the more terminals can be accommodated on a specific section of the DIN rail.You can buy protective conductor terminals quickly and cheaply in the eibabo® technology store ? your competence center for smart homes and electrical installations. We offer branded products from ABB, Dehn, Hager, Phoenix, Pollmann, Schneider Electric, Siemens, WAGO, Weidmüller, Wieland in large quantities. We deliver our range worldwide.  Catalogue content:In this eibabo® catalogue Terminal blocks > Ground terminal block you will find items from the following product groups:Item overview:Actuator terminalBase clampsBuilt-in housingCage clampConnection technologyFeed terminalFeed-through terminal blockFour-level clampGround railGround terminalGround wire disconnect terminalInformation technologyInitiator terminalInstallation clampInstallation clampsMulti-level clampProtective conductorShield connection technologySingle clampSpring clampsSpring clipTerminal blocksTerminal stripTest disconnect terminalsThree-wire terminalThrough terminalTwin clampUniversal clampfrom the following manufacturers:Manufacturer overview catalogue Protective conductor terminal:ABBDehnHagerPhoenixPollmannSchneider ElectricSiemensWAGOWeidmüllerWieland
Switch-socket combination - Switches and sockets are frequently required end devices in every electrical installation. And I'm sure you'll also find it particularly practical if you can find a socket near the light switch. Because both devices are often installed together, there are practical switch and socket combinations for surface mounting in your eibabo online shop. They come from well-known manufacturers such as Gira, Merten, Jung, Berker and Busch Jaeger and are available in different designs. Choose from the colors white, grey, brown and black or decide on model variants with a double switch or double socket. You can order the right power lines, cable ducts and connection materials at the same time and have them delivered directly to your construction site worldwide as a low-cost complete package.Catalogue content:In this eibabo® catalogue Domestic switching devices > Combination switch/wall socket outlet you will find items from the following product groups:Item overview:CloserCombinationCombination double socket/changeover switchCombination horizontallyCombination key switch/SCHUKO socketCombination rocker switch with red lens/SCHUKO socketCombination rocker switch/SCHUKO socket outlet with hinged coverCombination rotary switch/SCHUKO socket outlet with hinged coverCombination switch/socketCombination switch/wall socket outletCombination verticalCombination with rocker switchCombinationsControl switchDouble switchFlush-mounted switch/socket combinationHinged lidInstallation switchIntermediate switchOff switchSCHUKO series switchSCHUKO toggle switchShutter buttonSocket with switchSocket/switch combinationSurface-mounted combination switch/socketSwitch/socket combinationWorkshop combinationfrom the following manufacturers:Manufacturer overview catalogue Switch-socket combination:BerkerBusch JaegerElsoGiraHeraHHGJungLegrand BticinoMertenPehaScharnberger+Has.SiemensTehalit
Housing - on-wall-ceiling - Do you want to bring together several electrical cables for your electrical installations? In this catalog you will find housings that have been developed for mounting on a wall or ceiling. These are mainly referred to as junction boxes, junction boxes, connection boxes, distributor boxes or, according to German standards, as installation boxes. Find out here what the differences are between the individual installation boxes and which criteria are relevant when purchasing.With eibabo®, you can choose exactly the installation boxes that are best suited to your project from a comprehensive range. These are also referred to as passive components of an electrical installation and, in contrast to switch boxes, are mostly installed on plaster. Due to their design, these are designed for stationary installation and for accommodating cables, lines, clamps and other connections. We carry housings with strain relief lugs for pendant lights and external mounting lugs. You will also receive housings with high resistance to the effects of weather. These are impact-resistant, protect against rainwater and are also resistant to changing temperatures and seawater. Housings with these special properties are approved for installation on ships and for offshore applications.Notice:Always leave electrical installations to an experienced electrician. When working on an installation box, safety always comes first. Disconnect the relevant circuit from the power supply.A high percentage of the junction boxes at eibabo® are kept in classic white and grey. However, you can also find cases in colors like black, green, brown, and red for a more customized use.What do I need installation boxes for?Junction boxes are an essential part of the electrical wiring systems for houses and other buildings. These are made of metal or plastic and protect cable connections, connections and distributions in an electrical installation. For example, if you want to distribute the individual supply line for a room to several lines, the wiring is done in the installation box.How are installation boxes installed?The assembly of the installation boxes is very simple. As a rule, the housings have markings or screw channels on the inside, which you should use to attach them to stable and secure surfaces. Some variants offer external attachment tabs. Make sure that the housing corresponds to the conditions at the place of use, is freely accessible for maintenance work and cannot be manipulated by unauthorized persons. TIP:You can close and seal some installation boxes tightly. External influences can be quickly identified through the viewing window in the cover.  TIP:Based on experience, we recommend that you make the entries for each cable before installing the socket and insert cables as a test. In tight installation environments, it can be difficult to cut out post-inserts or expand existing diameters.How do installation boxes differ?Installation boxes differ mainly in size, material and properties for specific locations. Installation boxes can be made of either metal or plastic. The choice between plastic and metal depends on which cable material is used and which mechanical loads an installation box should be able to withstand. Metal-sheathed cable and metal conduit typically require a metal junction box for grounding. Even if the installation box is exposed to heavy knocks or similar influences in everyday life, a stable metal model is recommended. Plastic housings are the standard choice for non-metallic cables.Special featuresSome models are fire resistant or shielded for use in severe conditions. Installation under the ground, under water or in potentially explosive areas is also possible in some cases.Check the local regulations for your electrical installation. This will tell you if you need to use wall outlets with a specific IP rating. In most cases, your electrician can tell you what IP rating is required.Correct dimensioning of the installation boxThe dimensioning of an installation box is crucial to ensure the function of the internal connections. If you have enough space available, we always recommend using a slightly larger can. Cables and wires are rigid and difficult to bend into shape. Clamps require space. If you choose the socket too small, the space for working on the connections will also be very small and cramped. When determining the size, consider:the number of lines to be installedthe length of the lines for comfortable workthe cross-section of the lines and the associated flexibilitythe number of clamps to be installedany other components in the can  TIP:Do not leave any exposed wires in the installation box. Even if you do not need a wire, please always provide it with a clamp. Always allow for some reserve for changes in the future. On average, installation boxes for commercial use are larger than housings for private households, as these often have to accommodate more connections.Image: Spelsberg Abox 250-L junction boxHow do I find the right installation box?There is a large selection of installation boxes. This ranges from universal installation boxes to special products. You will find the right product if you ask yourself the following questions:Do I need an installation box for commercial or private use?What are the site conditions like? (surface, temperature, humidity, electromagnetism, risk of impact)How much space do I have for installation?What is installed in the can and how much?What space should I reserve as a reserve?Do I want to secure the installation box? (vandalism, unauthorized access, sealing) The answers result in a catalog of properties. You can easily set these as a filter here in the shop. With many secure payment methods, fast delivery and worldwide shipping, the eibabo® technology store is your competent specialist dealer for all questions relating to electrical installation.  Catalogue content:In this eibabo® catalogue Connection devices > Box/housing for surface mounting on the wall/ceiling you will find items from the following product groups:Item overview:Balance boxBox canCable tiesCasting resin boxDevice socketElectrical tapeEquipotential bonding boxFire protection boxFlush-mounted boxFunctional integrityInstallation boxJunction boxesKitchen junction boxMini junction boxMounting baseMounting boxOutdoor lightingPhotovoltaicPower supplySecurity boxShutter driveStrain reliefSurface boxSystem socketTransition boxVideo surveillanceWaterproofWiring boxfrom the following manufacturers:Manufacturer overview catalogue Housing - on-wall-ceiling:ABBBernsteinCeagCellpackDätwyler IT Infra.ElsoEnocGlen DimplexGrotheHeliosHenselIndexaKaiserKleinhuisLegrand BticinoMennekesMertenOBOPehaPentairRittalSchneider ElectricSomfySpelsbergStahlVideosystemsWAGOWeidmüllerWieland
Core cable - It is not always necessary or desirable to lay cables and lines with multiple cores. For these applications, the eibabo® technology store offers you individual cores with different diameters and insulation. Read here what you should pay attention to when using and buying.Classic cables and lines usually consist of several individual and separately insulated wires. The conductive material of these wires consists mainly of copper, in certain cases also of other metals. The nature of the conductor itself can also vary. A solid wire is possible, but also a bundle with a multi-core core structure, so-called stranded wire. If you want your installation to be more mobile, reach for the stranded wire. Use solid wire for permanent installations. You can get individual wires, but also ready-made cables and wires from us in our online shop at reasonable prices.What are cables, wires and cores?Electrical cables, wires and individual wires all serve the purpose of transmitting electrical energy or data signals over a certain distance.More cables in the shopSpecial cables and cables for data transmission and signal transmission can have a different structure than classic power cables. With our search you will find cables and wires for almost all electrical engineering requirements.core linesThe core cables offered in this catalog are individual solid metal cores or strands, which are surrounded by insulation. Core lines for the transmission of electrical energy usually consist of two parts, a metal core and a surrounding insulating layer. The metal core made of copper or aluminum serves as a conductor for the direct transmission of the electric current. The core of the wire can be monolithic (solid wire) or twisted from several fine wires. Copper conductors are mainly used for wires with small and medium cross-sections. The insulation of the wires serves to protect them from contact.cables and wiresIn contrast, cables and wires consist of several cores, which are combined under a common insulating layer. The term cable is used in German when it is a fixed installation outside of buildings. Cables are used inside buildings. The type of cable or line is selected according to the type of installation, the planned load and the environment.What is the significance of the colors of the core cables?First of all: We always recommend that you have work on electrical equipment carried out by an experienced installer.When you see an electrical installation or look at a loose end of a cable, you are confronted with wire cables of different colors. In Germany these are typically black, brown, blue, gray and green-yellow. If you understand the color coding for electrical cables, you will be able to use the individual cores correctly. This is particularly important because other people later rely on the correct assignment of the colors when checking or making changes and derive the function of individual wires from this. NoticeThe color codes are slightly different internationally. When choosing the color, please refer to the applicable standards in your country. Non-metallic electrical cables consist of the outer plastic sheath and the inner, color-coded cores. Markings are usually applied to the sheathing, which provide information about the number of wire lines and their diameter. The color of the wire determines its purpose. The following rules apply in Germany and the EU: The basic colors are brown, blue and green-yellow. There are also the extended basic colors black and grey. Alternative colors are white, orange, red and purple.The brown wire is phase 1 (L1) and is always used for the so-called 'hot wire'. The term 'hot' is used as a synonym for wire lines that transport the electrical current from the power source to the device (lamp, socket or similar).The blue wire is the neutral wire (N) and must not be switched independently. Please don't let the term 'neutral' fool you. It is easy to believe that this is a non-electrified line. Even neutral lines can potentially carry electricity. While the brown wire carries power from the power source to the device, the neutral wire carries power back to the source. Therefore, both 'hot' and neutral lines have the potential to cause electrical surge injuries.All electrical devices must be grounded. In the event of a fault, grounding provides a safe path for current to flow back to ground or earth. The green-yellow wire is intended for this. This is called the protective earth conductor (PE) and is connected to electrical devices such as switches, sockets and fittings as well as metal frames or metal housings.Already knew?The green-yellow color combination for the protective conductor was chosen so that people with color blindness can distinguish this line from the other lines.The extended basic colors black and gray are used when it is a three-phase AC installation. Colloquially, one also speaks of power current, three-phase current or site current. The term 'strong current' is also often used. However, this is not correct. The term 'high current' is only used in connection with systems with a nominal voltage of 1 kV or more. The black wire represents phase 2 (L2), the gray wire represents phase 3 (L3).You can choose the alternative colors white, orange, red and violet as a supplement for certain installations, for example as a corresponding cable for alternating circuits or cross circuits.Which cross-section do I have to pay attention to with core cables?The required cross-section of an electrical cable depends on numerous conditions. These include the type of current (direct current, alternating current), the level of the operating voltage, the amperage, the length of the line, the type of installation, the voltage drop and the phase angle. These parameters result in a calculation formula that can be used to determine a cable cross-section. Due to the many variables, we cannot make any general recommendations for the use of certain cross-sections at this point for safety reasons.Picture: Various manufacturers H07V-U 1.5 core cable solidWhat are the differences between solid conductors and stranded conductors?Electrical wires are the basis of every electrical circuit. In addition to the color of the insulation and the cross-section of the conductor material, we also distinguish between solid conductors and multi-core core structures. Choose cables, wires and cores with solid conductors for permanent installations, for example in walls, floors, ceilings or in the ground. In these environments, the solid conductors have a number of advantages over flexible strands. These are:Cheaper to Manufacture ? Given the amount of wiring and wiring in a building, this has a huge impact on investment costs.Rigid and mechanically more stable - This makes it easier to lay through channels and openings.Easy and convenient to connect - The connection in terminals can also be made quickly and safely without ferrules. Stranded conductors are used in flexible installations and offer the following advantages over solid conductors:Plenty of surface area for the current to flow ? With the same load, the diameter of a stranded conductor can be smaller.Greater Surface Area for Less Resistance - Power dissipation is less than a solid conductor of the same size.Lots of flexibility and smaller bending radii ? stranded conductors have a longer service life than solid conductors when it comes to movement, twisting and stretching.   Catalogue content:In this eibabo® catalogue Cables > Power cable < 1 kV, for permanent installation you will find items from the following product groups:Item overview:Bell lineBell sheathed wireBell wireCore lineEnergy connectionInstallation wireJumper wireMounting wireMulti-standard linePlastic hose linePower cablePower connectionPower lineSilicone lineStranded wireWiring linefrom the following manufacturers:Manufacturer overview catalogue Core cable:DiverseEupenHelukabelHuber+SuhnerIRCEJungLappkabelLeoni KerpenLeoni StuderWeidmüller
Flexible electric cable - Did you know that there are different types of wiring in your house? Among other things, we distinguish electrical cables according to whether they have rigid or flexible core cables. Read here when which types are used and what you should consider when selecting flexible cables.How are flexible lines constructed?The conductive core of a flexible cable does not consist of a solid (monolithic) wire, but of many little wires twisted together. These little wires form an insulated core, the so-called stranded wire. Depending on the purpose of the product, several of these cores can be bundled together in a further sheath to form a cable. The most important selection criteria for such a product are:the number of insulated cores within the sheathing of a cable (this can be several dozen)the color and positioning of the cores within the sheathing of a cable (see twisted pair cable)the cross-section of the respective coresthe type and structure of the insulation and sheathing The number and cross-section of the cores determine the total power of the current that can be safely conducted. This is one of the most important features of a cable and is specified by the manufacturer at regular intervals on the outer insulation. We recommend using quality products from well-known manufacturers. Tolerances can occur with cheap no-name items, which usually have an adverse effect on the cross-section and thus impair the performance of the line. There are also differences in the shape of the wires or lines. Most often we encounter the round shape, but in some variants the outer shape can also be flat, for example. This affects the outer diameter and the possible uses.The type and structure of the insulation and sheathingInsulation appropriate for the application is the primary safety feature of an electrical cable. Their main task is:Protect people from contact with a live coreto protect the cable from mechanical damageto ensure a correct current flow without interference from the outsideto shield the environment from the influences of the line In a line, each core is separately insulated. This prevents contact between the electrical conductors in the cores and offers protection against mechanical damage. Another outer sheath holds all the components of the cable together and also protects the inner insulation from drying out, high humidity and other influences. Depending on the location and purpose of a line, different materials are used for the insulation. These should correspond to the expected mechanical, chemical and thermal influences. The UV radiation of the sun must also be taken into account. The following materials are therefore used most frequently in the area of classic household electrics:PVC ? inexpensive, flexible, low-wear, non-flammable and resistant to various chemical compounds, not suitable for high and very low temperaturesRubber - particularly flexible, suitable for medium to difficult operating conditions, resistant to low temperaturesPE - resistant to chemical compounds, pressure and low temperaturesSilicone ? particularly reliable at high temperatures up to around 200 °C, low mechanical strengthPUR ? high oil resistance and abrasion resistant immission and emissionCurrent-carrying cables generate magnetic fields. The immission protection protects the data flowing through the wire from external electromagnetic influences. The emission protection prevents the emission of electromagnetic interference signals through the line.The outer casing can consist of additional elements:Shielding made of metal foil or metal mesh as a barrier against immission and emission. These mainly include fault currents, radio waves, EM fields or radiation, which affect the transmission of signals in data lines.Armor as maximum line protection against mechanical damage.Cover made of (impregnated) cotton or silk to protect against mechanical damage, rot or for decorative purposes. Image: Various flexible linesWhat is the difference between flexible lines and rigid lines?Cables with rigid conductors are used for fixed installation in domestic installations. Cables with flexible conductors are used where you want to connect mobile consumers. Mobile consumers are, for example, floor lamps, coffee machines, radios or hair dryers. But why is that?Advantages and disadvantages of flexible, multi-core cables:high elasticity and flexibilitysmall power losseshigh quality circuitreliabilitypoor performance on HF networkshigh price In particular, the higher price and the more complex production of connections (e.g. due to the necessary cable lugs) stand in the way of the use of flexible cables for all areas of electrical installation. In comparison, solid conductors have the following advantages and disadvantages in these points:inexpensiveUse in HF networkseasier installationeasy connectionhigh rigidity, not very flexible, difficult handling You save money with solid conductors in fixed installation. However, the handling of rigid cables is too cumbersome for daily mobile use on electrical devices, extensions or distributors.Pliability of flexible linesThe number of cores and the diameter of the wires in a core determine the flexibility of the core of a cable. The standard DIN EN 60228 (VDE 0295) describes four classes of conductors: solid (i.e. single-core solid conductors), stranded, finely stranded and extra finely stranded. The thinner the wires, the easier it is to bend the line. TIPSingle-wire and multi-wire cables have different levels of flexibility. During operation, these should not be bent too much so that the core is not damaged. The rule of thumb for solid conductors is: The minimum bending radius should not be less than four to five times the diameter of the cable including the sheath. A line with an outer diameter of 11 mm should therefore not be bent below a radius of about 50 mm. Flexible cables are more flexible than solid cables. Their bending radius should not be less than three times the cable diameter.What is a stranded twisted pair?Information systems have become an integral part of life today. Telecommunications, the global Internet and television are part of our everyday lives. One of the most important components of such networks is the twisted pair line. This is a line consisting of four or eight copper wires. The cores of the twisted pair cables are offered as solid or in the form of stranded wires. The special thing about it is that the wires are twisted together in pairs. A shield increases the protection of the line against electromagnetic interference. Twisted pair cables are primarily intended for the transmission of digital information in Ethernet networks. twisted pair lines. The area of application is not only private houses and apartment buildings, but also commercial offices and industrial companies as well as public facilities such as schools and hospitals.What is the significance of the core colors in flexible cables?If you look at a typical flexible power supply cable, you will see strands of different colors in it. In Germany these are typically black, brown, blue, gray and green-yellow. In order to be able to use the individual wires correctly, you should know the meaning of the color coding. This is important so that other people can rely on the correct assignment of the colors during repairs, checks or changes. Installers derive the function of individual wires from this. Instructions are printed on the sheathing, which provide information about the number of wires and their diameter. The following rules apply to the colors of the wires in Germany and the EU: The basic colors are brown, blue and green-yellow. There are also the extended basic colors black and grey. Alternative colors are white, orange, red and purple.NoticeDepending on the manufacturer, country and type of cable, there are major deviations in the colors of the core insulation. Please use the standard applicable in your country.The following applies to Germany and large parts of Europe: the brown wire is phase 'L1' and is always used as the current-carrying line to the device. The blue wire is the 'N' neutral and carries the power back to the source. The green-yellow wire is intended for grounding. This is called the protective conductor 'PE'. The extended basic colors black and gray are used when it is a three-phase AC installation. The black wire represents phase 'L2', the gray wire represents phase 'L3'. The alternative colors of white, orange, red and purple are intended to complement certain installations.Which cross-section do I have to pay attention to with flexible cables?Flexible cables with stranded copper for normal household use start with a standard cross-section of 0.5 mm². The dimensions 0.75 mm², 1.5 mm² and 2.5 mm² are widespread. The cross-section you need depends on numerous conditions. These include:the type of current (direct current, alternating current)the level of the operating voltagethe amperagethe length of the linethe type of transferthe voltage dropthe phase angle These parameters result in a formula that can be used to calculate a cable cross-section. Due to the many variables, for safety reasons we do not give any general recommendations for the use of certain cross-sections at this point.Simply browse through our large eibabo® range. Here you will find flexible PVC hose lines, silicone lines, rubber lines or PUR lines at particularly reasonable prices.  Catalogue content:In this eibabo® catalogue Cables > Power cable < 1 kV, for moving application you will find items from the following product groups:Item overview:Control cableControl lineData cableData lineDevice connection cableExternal lineFuse boxHigh voltage cableHouse connection cableInsulating tubeLine jumperMachine control lineMeasurement lineMeasuring systemMedium voltage cableOvervoltage protectionPower cablePower control linePower lineRubber cableRubber hose lineServo lineSilicone cableSilicone lineSupply cableTrailing cableTrunk cable ringVoltage tapfrom the following manufacturers:Manufacturer overview catalogue Flexible electric cable:BachmannBarthelmeComelit GroupDiverseEatonElsproFaber KabelGlenHagerHartingHelukabelIgusLappkabelLeoni StuderLützeMurrelektronikPhoenixPilzScharnberger+Has.WaltherWaremaWeidmüllerWieland

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RECOMMENDED
3D
Diverse - H07V-U 1,5 br Eca - Single-core wire H07V-U 1,5 br Eca
¥190.38 excl. VAT

*

(For 100 Metre) plus shipping
Single-core wire
Diverse
| H07V-U 1,5 br Eca
x 100 Metre
Add to wishlist
RECOMMENDED
3D
Diverse - H07V-K 1,5 br Eca - Wire finely stranded - Power cable < 1kV, fix installation H07V-K 1,5 br Eca
¥182.29 excl. VAT

*

(For 100 Metre) plus shipping
Wire finely stranded - Power cable < 1kV, fix installation
Diverse
| H07V-K 1,5 br Eca
x 100 Metre
Add to wishlist
RECOMMENDED
3D
Diverse - H07V-U 2,5 br Eca - Wire solid - Power cable < 1kV, fix installation H07V-U 2,5 br Eca
¥319.41 excl. VAT

*

(For 100 Metre) plus shipping
Wire solid - Power cable < 1kV, fix installation
Diverse
| H07V-U 2,5 br Eca
x 100 Metre
Add to wishlist
RECOMMENDED
3D
Klauke - 176/12 - Ferrule 10qmm - Cable end sleeve 10mm² insulated 176/12
¥35.00 excl. VAT

*

(For 100 Piece) plus shipping
Ferrule 10qmm - Cable end sleeve 10mm² insulated
Klauke
| 176/12
x 100 Piece
Add to wishlist
RECOMMENDED
3D
Diverse - H07V-K 2,5 br Eca - Wire finely stranded - Power cable < 1kV, fix installation H07V-K 2,5 br Eca
¥291.70 excl. VAT

*

(For 100 Metre) plus shipping
Wire finely stranded - Power cable < 1kV, fix installation
Diverse
| H07V-K 2,5 br Eca
x 100 Metre
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RECOMMENDED
3D
Spelsberg - 2K-12-L / br - Junction box empty brown - Surface mounted box 37x85mm 2K-12-L / br
¥12.33 excl. VAT

*

plus shipping
(¥20.90 RRP***)
Junction box empty brown - Surface mounted box 37x85mm
Spelsberg
| 2K-12-L / br
RECOMMENDED
3D
Hager - KCF668L - Phase busbar 3+N 3-row left - Phase busbar 10mm² 271mm KCF668L
¥276.40 excl. VAT

*

plus shipping
(¥536.62 RRP***)
Phase busbar 3+N 3-row left - Phase busbar 10mm² 271mm
Hager
| KCF668L
RECOMMENDED
3D
Hager - KCF663L - Phase busbar 3+N 2-row left - Phase busbar 10mm² 146mm KCF663L
¥200.23 excl. VAT

*

plus shipping
(¥444.51 RRP***)
Phase busbar 3+N 2-row left - Phase busbar 10mm² 146mm
Hager
| KCF663L
RECOMMENDED
3D
Berker - 138141 - Combination frame black/gl end frame - Frame 1-gang brown 138141
¥47.41 excl. VAT

*

plus shipping
(¥83.30 RRP***)
Combination frame black/gl end frame - Frame 1-gang brown
Berker
| 138141
RECOMMENDED
3D
RECOMMENDED
3D
RECOMMENDED
3D
Diverse - H05V-K 1,0 br Eca - Wire finely stranded - Power cable < 1kV, fix installation H05V-K 1,0 br Eca
¥143.45 excl. VAT

*

(For 100 Metre) plus shipping
Wire finely stranded - Power cable < 1kV, fix installation
Diverse
| H05V-K 1,0 br Eca
x 100 Metre
Add to wishlist
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