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Pendant lights - Find the right pendant light or hanging light at eibabo®. Our extensive lighting catalog leaves nothing to be desired. Read on to learn about the different styles, colors, materials and sizes. In addition, you will receive conventional light sources or economical LEDs to match.Where are pendant lights used?When we think of pendant lights, the place above the dining table comes to mind as a classic place of use. And indeed, pendant lights are often mounted above tables such as the dining table or coffee table and, as ceiling lighting, create atmospheric light when eating or socializing. But pendant lights are also decorative alternatives in other places. Think of a counter in a bar, the reception area of the doctor's office or the reception desk in a hotel. With a bit of creativity and stylistic sensitivity, you can turn pendant lights into full-fledged furnishings that create atmosphere and enhance your ambience. Pendant lights are even used in industrial workshops. However, these are technically and optically optimized for these applications.Image: Fischer & Honsel 69540 LED pendant lightWhat should be considered when installing pendant lights?Remember that pendant lamps need a reference point in order to look their best. Suspended anywhere in the room, pendant lights usually look out of place. Pendant lights can be ideally adapted to the spatial conditions. With high ceilings, the length of the suspension can often be adjusted manually. A distance of around 60 to 80 cm above the edge of the table has proven to be the ideal height for lights above the dining table. Of course, this can vary depending on taste and the size of the lamp. You should make sure that your new pendant lamp has a lampshade in order to form a cone of light and direct the brightness optimally to the desired area. As a result, other areas are not or only diffusely illuminated and the light is not perceived as disturbing.our recommendationAvoid pendant lights in rooms with low ceilings and bathrooms. Use ceiling spotlights or recessed spotlights instead. For cheap and stylish spotlights and recessed lights, please select the appropriate category here in the shop.Smaller pendant lights with a small lampshade look particularly stylish when placed above bedside tables, your bar or a side table. Many of our pendant lights are also available in versions with multiple light sources, so that you can easily implement uniform illumination of larger tables or longer areas.How big should a pendant light be?For a successful look, it is advisable to follow a few basic stylistic rules, especially in the private sphere. These relate to:the size/diameter or circumference of the pendant light in relation to the room sizethe installation height in relation to the room height It is assumed that lamps that are too large or too small disturb the harmonious overall impression. Calculating the rough guideline is quite simple:(Length of the room in meters + width of the room in meters) x 10 = the optimal diameter of the pendant light in centimetresIt is clear that very few lights consist of a sphere and therefore the diameter cannot always be used as a reference. Alternatively, the circumference calculated from this can be used, for example if the pendant light consists of several spheres or has an elongated shape. An example:(Room length 5.5 meters + room width 4.5 meters) x 10 = 100 centimeters in diameter or 314 centimeters in circumferenceOf course you can also deviate from this. Other influencing factors often also play a role in the decision. For example, whether the floor plan of the room is very simple or complex, or whether there is already a lot of furniture in the room. The height of the pendant lamp should not be more than one third of the distance from the floor to the ceiling. With a ceiling height of 3 meters, this is 1 meter. For classic living room heights of around 2.7 meters, 50 to 70 cm should be chosen so that the height to the floor is at least 2 meters.Are pendant lights also suitable as workplace lighting?The lighting effect of pendant lights results from the design, the light source used and the positioning of the light. In this way, you can influence whether the effect of the lighting should be more direct or more indirect, or whether the light should be diffused or directed. You can also use pendant lights in the company as office lighting or workplace lighting. Of course, the requirements for optimal lighting in the workplace are high, but with the right shape and suitable lamps, this can be implemented without any problems. TIP:If necessary, such pendant lights for the office can be equipped with a grid or diffuser in front of the light source. These emit a glare-free light on the work area. Use pendant lights in an elongated design if they are to be placed directly above the desk. LED strips ensure even light distribution over the entire length. This ensures that the pendant lights used do not cast any lateral shadows and that the entire work area is optimally illuminated. The higher the light source, the wider the irradiated area and the lower the illuminance on the floor and work surface. To ensure the desired light intensity, you should adjust the height of your pendant lights correctly. Never place them lower than two meters so that employees do not accidentally hit their heads.What advantages do pendant lights offer?The main advantage of pendant lamps is the ability to place light sources at the right height. This is especially useful when organizing lighting on dining tables, kitchen worktops, warehouses, machine rooms, workshops and industrial halls where the rooms typically have high ceilings. Another plus is the easy installation. How a pendant light is attached depends on its design. Usually 1 to 2 suspension points are required. Particularly large and heavy models can also have more suspension points. Whether for private use or commercial use - pendant lights are available in countless variants, colours, price ranges and designs. There are both classic and creative pendant lights of various types on the market. The selection is so large that you are sure to find a model that suits you.Which bulbs should I use for pendant lights?When buying your new pendant light, don't just look at its appearance. Consider at the same time an economical, effective and powerful lighting effect. This is easily possible with LED pendant lights. Pendant lights with LED bulbs offer lower power consumption and a long service life. The LEDs are often permanently installed and cannot be replaced individually. But the use of energy-saving lamps is also recommended for pendant lights with replaceable lamps and classic screw sockets. Be sure to pay attention to the color temperature emitted by a light source. This is given in Kelvin (K). The higher the value, the more the color temperature shifts towards the blue. Daylight of around 5,500 Kelvin is recommended for use in laboratories, classrooms or in industry. This increases concentration and prevents fatigue. The somewhat warmer neutral white is generally used for offices. For comparisonCandlelight has a color temperature of around 1500 Kelvin. Lamps with a color temperature between 2200 and 2700 Kelvin are the right choice for a cozy atmosphere at the dining table.By the way:The chandelier is considered the forerunner of the modern pendant lamp. This was typically a multi-level lamp made of copper or iron, which was hung on chains and sometimes equipped with numerous candles. Magnificent accessories made of glass and crystal reflected the candlelight and thus optimized the light output.  Catalogue content:In this eibabo® catalogue Luminaires > Pendant luminaire you will find items from the following product groups:Item overview:Ceiling lampDining table lampDirect lightFlat lampGlass downlightInterior lightsKitchen lightLamp pendantLED linear systemLine of lightLinearLiving lightLiving room lampLiving room pendant lightMicroprism lampMounted lightOpal glass lampOpal glass lightsOutdoor lightingOval lampPendant lampPendant lamp modulePendant lightsPhase railPull pendant lightTrunking systemsVDU workstation lightWall lampfrom the following manufacturers:Manufacturer overview catalogue Pendant lights:AbalightArcliteAura LightBEGA GantenbrinkBrumbergBöhmerEgloESYLUXFabas LuceFischer & HonselHelestra LeuchtenHonselHoubenHufnagelLEDVANCELichtlineLTSNeuhaus LeuchtenNobileOligoOpple LightingPerformance in LightPhilips LichtRegioluxRidi-LeuchtenRZBScharnberger+Has.Schmitz-LeuchtenSchneiderSignify PLSSitecoSLVSun CracksTriluxTrio-LeuchtenWaldmannZumtobel
Actuating drive - Do you want your heating systems to offer the desired living comfort while working efficiently? Then it should be equipped with durable and high-quality actuators that optimally control the flow of the heating medium. Find out more about actuators, their function and use here. Actuators are required to open and close the water circuit of a heating system or cooling ceiling. To do this, the drives are screwed or snapped onto a valve. Efficient heating of buildings has become a challenge. It is no longer just about warming the residents, but:adjust the temperature sensibly to the function of the roomusing as few resources as possibleto ensure a long service life of the systemto enable convenient operation All of these lead to money savings, environmental protection and a better quality of life, and depend in part on the heating system installed in the building. In this eibabo® catalog you will find conventional actuators for 24 volt systems or 230 volt systems. Depending on your needs, choose normally open or normally closed models and installation accessories.What are thermoelectric actuators?Thermoelectric actuators are general purpose actuators designed to provide on-off control of a variety of control valves. In private use, these are typically the valves of underfloor heating, but can also be used in industry for other heating systems, ventilation systems and cooling systems. The devices regulate the flow of the heating medium (e.g. hot water) in a circuit and thus ensure that the temperature in the building is controlled. Thermoelectric actuators can be used on the heater valves as well as in the heater manifolds and the floor manifolds.Please noteSome actuator models only suitable for certain valve inserts. Please read the product descriptions and pay particular attention to the dimensioning of the attachment on the valves and the type of power supply.Modern actuators work together with room thermostats and heating actuators and can be integrated into the building management system.Should I buy normally open or normally closed actuators?With actuators, we distinguish between NC (normally closed) and NO (normally open). Which variant you choose depends on your personal needs. NC drives are always closed and open when power is applied. In the case of normally open NO actuators, the current ensures that the valve closes. Please take this into account when planning your heating system. But what are the advantages or disadvantages? In the event of a power failure or defect, NC drives close. If it is a heating season, you will quickly notice the malfunction. It's getting cold in the house. NC drives therefore only consume electricity when they are being heated. On the other hand, drives that open without current are more efficient during the heating period. However, in the warm season you must keep the drives closed using electricity, otherwise you may heat your building unnecessarily. In such a case, switching off the pump by the heating actuator or manually after the winter season would be advisable.How are thermoelectric actuators installed?Thermoelectric actuators (valve drives) are snapped or screwed directly onto the upper part of the valve used in the house. This connection with the valve spindle is usually made directly in the heating circuit distributor. You can use adapters made of PVC or metal to compensate for the manufacturer-specific distance differences between the drive and the upper part of the valve or the thread and the mount. In this way you ensure correct implementation of the manipulated variable.Why are there no KNX actuators?With a decentralized installation, for example in the heating circuit distributor, you can use heating actuators with L and N connections for direct connection of the actuators. You can find more information in our 'Heating actuator' category. Contrary to widespread opinion, thermoelectric actuators are not wear-free and must be replaced every year. This is why earlier versions of expensive KNX actuators (i.e. devices that combine the KNX actuator and actuator) have not caught on and are increasingly disappearing from the market. It is therefore a question of long-term cost efficiency to separate the technology from the positioning drive and the actuator. The actuator is parameterized using the Engineering Tool Software ETS. TIPThe ETS parameter 'Flush' helps to minimize wear on rarely used valves. This function prevents the heating valves from calcifying too quickly. This KNX software is manufacturer-independent and is required to develop and configure individual controls for building automation. That means: The actuator opens and closes the actuators according to the programmed specifications.What should I look out for when buying an actuator?Reliable working actuators are the key to the correct and efficient operation of the entire heating system. When selecting thermoelectric actuators, you should pay attention to the following points:The drives must be compatible with the rest of the heating system. Check that these match the valves. An important parameter here is the so-called stroke, which is usually specified in millimeters. The stroke of the actuator must match the closing dimension of the valve. If the stroke is too small, the actuator will not fully open or close the valve (depending on the NO or NC variant).Decide on a normally open or normally closed variant.Pay attention to the power supply. Here we distinguish between 24 volts and 230 volts.The power consumption of the drive should be as low as possible and not exceed 5 watts.Opening and closing a valve takes time. High-quality equipment offers opening and closing times of less than 3 minutes.The actuator should have an easily recognizable status display so that the current status can be easily read. Image: ABB TSA/K 230.2 thermoelectric actuatorIn addition to thermoelectric actuators, we offer you the following products:radiator valve drivesActuators including binary inputselectromotive actuatorsRadiator control drivesWireless actuators with and without room temperature controllerRadiator thermostatsstraight valvesvalve adapterReceiver for heating actuatorsand many more Well-known brand manufacturers in our range include ABB, Busch-Jäger, Eaton, Gira, Hager, Heimeier, Issendorf, Lingg & Janke, Merten, MDT, Siemens, Somfy and Theben.  Catalogue content:In this eibabo® catalogue Installation bus systems > Actuating drive for bus system you will find items from the following product groups:Item overview:ActuatorBattery poweredBus technologyContinuous controlControl valveEnergy efficientHeater driveHeating controlHeating controllerHeating technologyRadiator thermostatRetrofitRoom temperature controllerRoom thermostatTemperature controlTemperature controllerThermostatTime profileValve driveWax cartridge drivefrom the following manufacturers:Manufacturer overview catalogue Actuating drive:ABBAVM ComputersystemeBusch JaegerEberleEltakoFKRGiraHagerIssendorffJungMertenRademacherSiemensSomfyThebenWindowMaster
Circuit breaker - Are you sure that your electrical installation offers correct protection against overcurrents? Errors in protection can have dangerous consequences. Read here what you should pay attention to and the importance of the high-quality miniature circuit breakers from our eibabo® online shop.The use of electronic devices is a matter of course for us. Their use is comfortable and safe. But what happens if the television, washing machine, oven or refrigerator has a short circuit or overcurrent? These devices would be permanently damaged and fire accidents would be the result if suitable protective mechanisms were not activated as quickly as possible. In everyday life, hardly anyone thinks about these dangers. Why is that? Various safety elements are integrated in today's electrical installations, which protect people, electrical devices or the circuits themselves from damage caused by overcurrent. Modern miniature circuit breakers, among others, perform this task. They are also called circuit breakers or fuses. Do you remember?Historically, fuses contained a metal wire or strip that would melt if overcurrented, interrupting the flow of current. As a result, a tripped fuse was destroyed and had to be replaced. These so-called safety fuses are still used today, for example in vehicle construction. Circuit breakers work differently, can be reactivated manually after tripping and thus offer obvious advantages over fuses.What are circuit breakers?All non-adjustable circuit breakers are referred to as miniature circuit breakers, also known as MCBs. MCB is the abbreviation for the English term 'Miniature Circuit Breaker'. It is always an overcurrent protective device in the electrical installation when used in low-voltage networks. Miniature circuit breakers protect lines from damage caused by heating up as a result of excessive current, usually caused by a short circuit. The miniature circuit breaker is a reusable safety element that does not reset itself automatically. This makes handling very safe and you can quickly restore the power supply after it has been triggered. There are no high maintenance and replacement costs. Combinations of a miniature circuit breaker (MCB) with a residual current device (RCCB) are also available, these combined devices are referred to as RCBO devices (English: 'Residual current operated Circuit-Breaker with Overcurrent protection').What were the different miniature circuit breakers developed for?The miniature circuit breakers available from eibabo® differ not only in their rated current and design, but also in their tripping characteristics. The following standardized tripping characteristics are currently permitted for miniature circuit breakers:Type B (standard line protection)Type B miniature circuit breakers are the usual variants for private use. These switch off the circuit as soon as the current exceeds three to five times the actual current flow. Type C (higher inrush current for machines or lamp groups)Type C switches are used, among other things, in household appliances and in commercial devices such as fluorescent tubes, PCs, printers and servers. These break the circuit when the current exceeds five to ten times the actual current flow. Type D (for highly inductive or capacitive loads, e.g. with transformers, magnets or capacitors)Type D MCBs offer high resistance. These turn off the circuit when the current exceeds ten to twenty times the actual current flow. Type E (SLS / circuit breakers for main lines)SLS stands for 'Selective Circuit Breaker'. This triggers with a time delay when the current exceeds 5 to 6.25 times the actual nominal current. This means that downstream fuses or classic miniature circuit breakers switch off the current beforehand. Type K (with high inrush current with sensitive overload tripping)Type K miniature circuit breakers trip at eight to twelve times the actual current flow. These protect heavy-duty equipment such as compressors, winding motors and X-ray machines. Type Z (semiconductor protection with high line impedance)Type Z miniature circuit breakers are sensitive to short circuits and are used in semiconductor production. These break the circuit when the current exceeds two to three times the actual rated current. Image: Hager MCN316 miniature circuit breaker 3-poleIs the installation of miniature circuit breakers absolutely necessary?Miniature circuit breakers for lighting circuits and socket circuits are mandatory in the circuit distributors of apartments and residential buildings. You must install these. For industrial installations, in industrial plants and in trade, please pay attention to the higher requirements for miniature circuit breakers. Here, miniature circuit breakers / MCBs often also protect equipment and devices.How does a circuit breaker work?Miniature circuit breakers usually have two trigger mechanisms, the electromagnetic quick release and the thermal release. When an overcurrent flows through the circuit breaker, a bimetallic strip in the thermal trip unit heats up and bends. This triggers an interlock, interrupting the flow of current in the circuit. This process protects against hazards or damage to devices that can result from the overload. In addition, the melting of the lines is prevented. In the event of a short circuit, the electromagnetic trigger acts. Here the current suddenly increases and a magnetic field builds up inside a coil. A bolt reacts to this, hitting the trigger mechanism in fractions of a second and interrupting the circuit.NoticeIn the circuit breaker, the outer switching lever is not directly connected to the actual switching mechanism. The device also triggers reliably if the shift lever is jammed, locked or manipulated.To get the current flow going again, the circuit breaker can be reactivated using the shift lever.What is the difference between single-pole and multi-pole miniature circuit breakers?You use single-pole miniature circuit breakers, for example, for circuits with single-phase alternating current. Three-pole miniature circuit breakers are used in AC circuits with three current-carrying phases. In the event of an overcurrent or short circuit, these are able to switch off all phases. This happens even if the fault affects only one phase. recommendationWe advise you to protect multi-phase circuits with a multi-pole circuit breaker. Do not divide the individual phases into single-pole circuit breakers. Working with electricity is dangerous. Please have changes or extensions to your system carried out by a specialist electrician.Which miniature circuit breakers are recommended?A large selection of miniature circuit breakers for electrical distribution installation can be found in the eibabo® online catalogue. We carry high-quality and reliable miniature circuit breakers from well-known and well-known manufacturers such as Siemens, ETA, ABL Sursum, ABB Stotz S&J, Eaton, Hager, Schneider Electric or from Moeller, Doepke and Stahl.  Catalogue content:In this eibabo® catalogue Circuit breakers and fuses > Miniature circuit breaker (MCB) you will find items from the following product groups:Item overview:AC circuit breakerAC voltage machineAuxiliary circuitBuilt-in deviceBuilt-in distributor deviceBuilt-in machineBusbar automatBusbar fuseCable circuit breakerCircuit breakerControl circuit breakerDC circuit breakerDC voltageDirect currentDirect current machineEnergy TechnologyHigh performance circuit breakerInstallation machineMCB circuit breakerModular installation deviceMotor protection switchOvercurrent protectionOvercurrent switchPlug-in circuit breakerRail mounted devicesScrew circuit breakerShort circuitTax securityfrom the following manufacturers:Manufacturer overview catalogue Circuit breaker:ABBABNBachmannDoepkeEatonETAHagerMurrelektronikPhoenixSchneider ElectricSiemensStahl
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
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
Instantaneous water heater - Hot water from the tap - immediately and without a long wait. Flow heaters make it possible. But which device should you buy? And what should you pay particular attention to when buying? In the following article you will learn more about the high-quality and inexpensive instantaneous water heaters from the eibabo® shop. Find out more about the different electrical and hydraulic variants and find your ideal device.What are instantaneous water heaters?Instantaneous water heaters are a convenient and energy-saving way of heating water. The devices only heat the water when a consumer is opened, for example a water tap. Instantaneous water heaters usually have a high heat output. A major advantage lies in the decentralized water heating. Hot water is generated and provided where it is needed - in the kitchen, in the bathroom, in the guest toilet or in the shower.What should I look out for when buying an instantaneous water heater?There are a few things to consider when choosing a suitable instantaneous water heater. The more precisely you know your needs, the easier it will be for you to select a suitable device. Ask yourself the following questions:Where should the instantaneous water heater be installed? Is there enough space?What hot water requirements do I want to cover with the device? This results in the required power of the device.Is the device powered by electricity or gas?Can I do the installation myself or do I need a specialist company?Would choosing a boiler be the better decision?Is my electrical installation designed for a powerful device?Is simply heating the water enough or do I want to be able to determine the temperature precisely? Image: Stiebel Eltron DEM 6 electronic instantaneous water heaterThe advantages of instantaneous water heatersInstantaneous water heaters have a number of key advantages over other heating systems:Energy efficiency: The efficiency of instantaneous water heaters is high. Although the use of an instantaneous water heater consumes a lot of electricity, these costs are only incurred when hot water is actually required. The expensive provision of warm water is no longer necessary.Space-saving and flexible: You can install small instantaneous water heaters discreetly under the sink or washbasin. This means that these devices can also be used where there is only a cold water connection, for example in the workshop or garage.Direct water heating: The distance to a central water heating system can be far. Several liters of cold water often have to pass through the pipe before the warm water reaches the tap. The reaction time of instantaneous water heaters is short. As a rule, you will have warm water within a very short time. How do instantaneous water heaters work?A flow heater consists of a heat exchanger, a cold water connection, sensors, a heating element and valves. The device is connected to a power source and the cold water is introduced into the pipeline. A sensor registers the flow and switches on the heating element. There is a heating element in the pipe that heats the water. As soon as the water has reached the desired temperature, it flows through a pipe to the consumer. Some water heaters are equipped with a thermostatic mixing valve that regulates the ratio of cold to hot water. This allows a specific useful temperature to be set. Depending on the type of device, its mode of operation differs. There are hydraulic water heaters, electronic water heaters and gas water heaters.Hydraulic instantaneous water heaterWith hydraulically controlled instantaneous water heaters, the water is heated with up to three heat output levels. It is not possible to set the water temperature precisely to the degree. The water is heated with a bare wire heating element. This is washed directly by the water. The desired temperature is set by adding cold water at the tap.Please noteWith hydraulically controlled instantaneous water heaters, you cannot heat very small amounts of water due to their design. A minimum flow rate is required to turn on the heating element.The advantage of hydraulically controlled instantaneous water heaters is the shorter reaction time and heating-up time. With these devices, the risk of calcification is significantly reduced.Electronic water heaterElectronically controlled instantaneous water heaters measure the water temperature using a temperature sensor. You select the desired temperature on the device. An admixture of cold water can be omitted when using electronically controlled instantaneous water heaters. Depending on the power of the heating element, the capacity for heating the water is limited. Therefore, a flow rate regulator may limit the amount of water to allow the unit to reach the desired water temperature. The advantages of electronic instantaneous water heaters are increased ease of use and improved efficiency.Gas instantaneous water heaterThe principle of water heating is the same for gas instantaneous water heaters as for the other variants. However, the heating element is not heated by electricity but by a gas flame. With modern devices, the energy of the flowing water is sufficient to ignite the heating flame. On some models, the flame ignites using a battery. Old devices have a permanently burning pilot flame, which ignites the heating flame when the water flows.What requirements do instantaneous water heaters place on the electrical installation?For the use of instantaneous water heaters, a large amount of electrical power is required. Your electrical installation must be equipped accordingly. Instantaneous water heaters with a connected load of 18 kW, 21 kW, 24 kW, 27 kW or 33 kW are common. Compact instantaneous water heaters usually have a connected load of 11 kW or 13.5 kW and are sufficient for showering, for example. Another variant of instantaneous water heaters are small instantaneous water heaters. These are devices with an output of 3.5 kW to 6.5 kW. These small instantaneous water heaters are mainly used to supply individual taps with only a low hot water output. An example:Experience has shown that you only need a little lukewarm water in a guest bathroom that is used occasionally. A compact instantaneous water heater with an output of 5 kW to 6 KW would be sufficient for this. Please make sure that the dimensions of the power lines and the fuse protection of the circuit can cope with these requirements. Plan carefully and estimate your needs beforehand. If an instantaneous water heater is to supply boiling hot water to several frequently used tapping points, you need a powerful device.What is the difference between a boiler and an instantaneous water heater?Instantaneous water heaters produce hot water when it is needed. Boilers, on the other hand, are small, medium or large containers in which the water is stored and kept at a certain temperature. Once the water has reached the desired temperature, it stays in the boiler until needed. Boilers are typically designed for use in homes where the demand for hot water is high.The quality of the waterWater from the instantaneous water heater is not stored in a tank where bacteria or other germs can possibly colonize. The high temperatures provide additional protection. The water thus remains suitable for the preparation of food, provided that the original water quality also allows this.Which manufacturers of instantaneous water heaters are recommended?In the eibabo® technology store you can get instantaneous water heaters from all leading brands, such as Bosch Thermotechnik, Clage, EHT AEG, Glen Dimplex, Stiebel Eltron and Vaillant. All of these manufacturers offer high quality, modern technology and energy-efficient operation. Benefit from our low prices, secure payment methods and worldwide shipping.By the way: In order to make your selection easier, the products in our catalogs are sorted by relevance.  Catalogue content:In this eibabo® catalogue Hot water appliances > Instantaneous water heater you will find items from the following product groups:Item overview:Compact instantaneous water heaterDehumidifierDialElectric hot waterElectric instantaneous water heaterElectric water heaterElectronicFully electronicHot waterHydraulicMini instantaneous water heaterRemote controlSensor fittingSmall instantaneous water heaterUndercounter unitWater heaterWater heatingfrom the following manufacturers:Manufacturer overview catalogue Instantaneous water heater:Bosch ThermotechnikClageEHT AEGGlen DimplexStiebel EltronVaillant
Hot water tank - In the eibabo range of water heaters you find the right hot water storage tank for your requirements. Hot water tanks are usually divided into two basic systems. Closed or pressure-resistant tanks have a closed system and withstand a higher water pipe pressure (up to 10 bar). In closed hot water tank systems, the backflow of the heated water into the supply line is prevented by a one-way valve. In addition, these pressure-resistant, closed systems dispose of a safety valve. This valve prevents that water which expands during the heating process leaks. The second system of water heaters comprises open or pressureless hot water tanks. These water heaters usually take about 5 to 15 liters and usually supply only one consumer (single supply). Cold water is fed into the bottom section of the hot water tank by opening a valve or a mixing tap. The hot water is then pressed upward and out of the hot water unit (pressureless displacement). That is why these so-called low-pressure mixer taps always have three connection hoses and are absolutely nexeccary for the operation of a pressureless hot water unit. In the range of pressureless water heaters, there are different types for installation above or below the water supply. Pressureless water heaters have a relatively simple structure and are, thus, less expensive than pressure-resistant water heaters, since they do not have to withstand the pipe pressure (up to 10 bar). At eibabo, you can choose from many types of high-quality water heaters from major manufacturers. You will find, among other devices, shower heaters, closed wall water heater tanks, small water tanks as well as freestanding storage tanks, table tanks and pressure-resistant hot water tanks in many different dimensions, nominal storage capacities and power ranges (in kW).Catalogue content:In this eibabo® catalogue Boilers and heaters > Boiler electric you will find items from the following product groups:Item overview:BoilerBoiler electricBoiler, electricBoiling waterBoiling water boilerBuilt-under deviceCylinderDirect fired boilerElectric boilerElectro boilerFree standing modelHanging boilerHot tap water boiler electricHot water boiler electricHot water cylinderHot water deviceHot water tankHot water tank (electric)Hot water unitHot water-frees standing storage tankKitchen boilerNight power boilerSmall storage water heaterStandby boilerTable storage tankUnder sink deviceWall storage tankWater heaterfrom the following manufacturers:Manufacturer overview catalogue Hot water tank:Bosch ThermotechnikEHT AEGGlen DimplexGlenStiebel EltronVaillant

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