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Ex-proof switches - We have all adjusted to the continuous supply of electricity and hardly think about using it in everyday life. We are often not even aware of the challenges that need to be mastered and the technical conditions that need to be met in order for electricity to become commonplace. Do you know what a so-called ex-switch is? In this case, Ex stands for "explosion-proof" and refers to switches of a special design that ensure reliable function under special atmospheric conditions and meet special types of protection and temperature classes. You can get high-quality explosion-proof safety switches, safety buttons and toggle switches in the eibabo online shop at fair prices. Use the Trusted Shops buyer protection and one of the many secure payment methods.Catalogue content:In this eibabo® catalogue Industrial socket/plug applications > Explosion proof switch you will find items from the following product groups:Item overview:1-pole switchEx buttonEx changeover switchEx on switchEx on-off switchExplosion proof switchExplosion-proof on/off switchOff switchPlasticPower switchSafety switchSwitchToggle switchTwo-way switchfrom the following manufacturers:Manufacturer overview catalogue Ex-proof switches:CeagStahl

Ex-proof light - A large selection Ex-lights is offered by eibabo in the online catalog under the heading: Lights. Ex-light is the designation for all explosion-proof lights, which do not only meet the fire protection requirements but also additional requirements. These requirements on Ex.-lights include: The lights have least protection type IP 5X and the impact-resistant luminaire cover ensures increased resistance to breakage. There are specifically designed lights for different lighting zones, which are classified according to the explosion risk in the respective working area. These zones are described, among others, in the standards DIN EN 50281, DIN EN 60079 and VDE 0165. It is important for you to know whether the selected Ex.-light is approved for use in the respective zone. Here is an overview of the most important zones and their description: For flammable gases, vapors and mists zones 0 (dangerous permanently or for a long period) apply, 1 (sometimes dangerous) and 2 (dangerous for a short period), for flammable dusts the zones 20 (dangerous for a long period or often), as well as 21 and 22 (dangerous for a short period when whirled up). Please study the product description or technical data sheets to see whether if the selected product is suitable and approved by the manufacturer. You will find at eibabo Ex-linear luminaires, Ex-diffuser luminaires and Ex LED diffuser luminaires as well as Ex-oval lights, Ex-spotlight and Ex-lights of the highest quality made by many well-known manufacturers in precise manufacturing processes that feature the best material properties for long-term use and optimized energy consumption.Catalogue content:In this eibabo® catalogue Luminaires > Explosion proof luminaire fixed mounting you will find items from the following product groups:Item overview:Ex headlightEx lightEx light fixed installationEx light pole lampEx oval lamp for incandescent lampEx oval lightEx pitched roof lightEx polyester lampEx surface-mounted luminaire for fluorescent lampEx surface-mounted luminaire for L lampEx-GG lightEx-proof luminaire fixed mountingExplosion proofExplosion proof luminaire fixed mountingExplosion-proof lampExplosion-proof luminaire fixed installationExplosion-proof mounted lightLampMast approachMounted lightOval lampPaint room lightProtective cageSpray booth lightStrip lightfrom the following manufacturers:Manufacturer overview catalogue Ex-proof light:CeagPrachtSchuchStahlZumtobel

Blind actuator - How can I automate my shutters and blinds? Can the time of day, the weather and the position of the sun be taken into account? We provide recommendations and information on the purchase of KNX blind actuators and show you what options the technology offers you in everyday life.If you want to build a new house or renovate an existing building, many questions arise. The technical equipment in particular must be well thought out, because a later change is then only possible with a lot of effort. If you already include the advantages of intelligent building automation in your planning, then the opening, closing and shading of the windows will also play an important role.Useful application examples for controlling blinds or roller shutters:the up and down of roller shutters and blinds according to time specificationsturning the slats of blinds based on the brightness in the roomthe automatic opening of roller shutters or blinds when windows are openedthe simultaneous operation of several shading systemsthe flexible control or regulation of the roller shutters when you are absent via a smartphone appthe automatic drive to the safety position in the event of a storm alarm and back after the all-clearthe blocking of operation for certain peopleautomatic shading according to geographic location and position of the sun (astro control) The use of modern KNX blind actuators supports you in realizing all these projects. They ensure more security, greater comfort and increase the value of your property. What distinguishes a KNX blind actuator from a KNX switching actuator?All motorized equipment such as blinds or roller shutters can be automated using KNX blind actuators. Standard 230V blind actuators therefore have 2 channels per switching output. A channel to drive up and a channel to drive down. The channels are mutually locked to prevent damage to the drive. So only one phase can be switched through to the drive at a time, never both at the same time. TIP:Never use KNX switching actuators to control blinds and shutters without a downstream isolating relay. With classic KNX switching actuators, the channels are not mutually locked. It would therefore be possible to connect more than one phase to the drive. This can quickly lead to damage to the technology. There are models which, depending on the configuration, can be used both as a switching actuator and as a shutter actuator. Please read the specification of the respective actuator.What should be considered during installation?Motorized 3-point drives must not be connected in parallel. Group formations may only be carried out using isolating relays or group control devices if the manufacturer does not provide for any isolating function. For example, for 4 windows, each with a drive, you should use a KNX blind actuator with 4 channels. There is also the option of operating several drives via one channel using conventional isolating relays. The shutter actuator channel then controls the isolating relay and the drives are connected to the isolating relay. In the meantime, however, the prices for the KNX actuators have fallen massively, so that there is hardly any need to reduce costs by using isolating relays. TIP:When selecting your components, always prefer one blind actuator channel per blind motor. For example, if you would like to integrate 6, 8 or 12 blinds into your system, you will find the appropriate actuator here in the shop.Are blind actuators with 230V AC better than models with 24V DC?This question is not about better or worse. Rather, the type of voltage of the drives should always be considered. The drives of blinds or roller shutters are often designed as 230V AC (alternating voltage) or 24V DC (direct current). That's why you have to buy the matching blind actuator or roller shutter actuator. A 24V DC blind actuator or roller shutter actuator has a plus and a minus connection. A suitable KNX actuator generates the direction of travel (up/down) by changing the poles (pole reversal).Do shutter actuators require a separate power supply?The 24V DC mains supply is not provided by the actuator and must also be installed externally depending on the power requirement for simultaneity (central commands). In this case, very large power supply units can become necessary, which, in addition to high costs, also require a large amount of space. If you can, order 230V AC drives and matching 230V KNX blind actuators from the supplier. These also require their own power supply, but no additional power supply units.That is the reasonSo-called monostable relays are installed in the shutter actuators, which are open and not active when idle. However, the relays continuously require energy as long as they are closed (e.g. for the duration of a blind movement). The bus voltage alone cannot cover this requirement.In contrast, there are bistable relays in classic switching actuators. These only require some energy in the brief moment of switching from one position to another. This can be implemented via the bus and an additional power supply is usually not necessary.What do I need an SMI KNX blind actuator for?SMI stands for 'Standard Motor Interface' and is an intelligent, uniform and manufacturer-independent interface in building automation. This is used to connect various operating resources, such as window drives, roller shutter drives or blind drives to a higher-level building management system. There are SMI KNX blind actuators for drives with an SMI interface. These intelligent drives are therefore able to exchange data telegrams across manufacturers.Which actuators are recommended for controlling roller shutters and blinds?eibabo® carries KNX blind actuators, KNX roller shutter actuators and KNX SMI actuators from ABB, Berker, Busch-Jaeger, Gira, Hager, Issendorf, Jung, Lingg & Janke, MDT, Merten, Siemens, Somfy, Theben, Warema and many other manufacturers.Over 25 years of experienceAll actuators that you get here in the shop are of high quality and reliable. We regularly use these actuators in our projects all over the world.Benefit from our low prices and take advantage of safe, fast and worldwide shipping.1-byte communication object - what is that?In any case, make sure that your blind actuator or roller shutter actuator has a 1-byte communication object for the runtime and slat, in order to be able to enable automatic or targeted control if required.There are no slats in roller shutters, which is why roller shutter actuators do not have the slat communication object, only Up/Down/Stop. Roller shutter actuators often have a 1-bit object for a defined positioning movement that can be set via the ETS software.1 byte means that values between 0-255 can be approached, which correspond to 0-100% related to the travel time. The parameters often allow the running time to be set according to the driving time. The travel time of the blind or roller shutter is entered once in the actuator using the ETS software, namely for a complete opening or closing for each channel of the actuator. There are also actuators for evaluating limit switches, which the motorized drive provides.Image: KNX blind actuator ? Eibmarkt JA.6.230The extensive application of the KNX blind actuator / roller shutter actuator JA.6.230 from Eibmarkt® shown here enables a wide range of parameterization via the communication object, including scenes for runtime and slats, blocking functions, automatic functions, security functions and alarm functions, movement limitations, position feedback and much more.Can a layperson use the ETS software to program the KNX devices?Don't be put off by the term 'programming'. The ETS software is only used to assign and parameterize certain actions. Programming skills or learning a programming language are not required. If you have some imagination to understand logical connections, then you are quite capable of creating a project.our recommendationFor more complex projects, a certain amount of experience is of course helpful. Have the basic project created by a qualified system integrator. In this way, you will later be able to easily change important parameters yourself if circumstances require it.Roughly explained: Imagine the folder system on your Windows PC or iOS computer. Here you create your own structure, save files in it and create links to other folders. This is similar with the ETS software. The 'folders' can be floors or rooms and the 'files' in them are the sensors or actuators of the respective room or electrical distribution cabinet, which you then link to one another.What types of installation are there for KNX blind actuators?KNX blind actuators are available for every type of installation at eibabo®. For example, for installation in the electrical distribution, then these carry the suffix 'REG' for series installation devices or as a flush-mounted version 'UP' for installation in a mounting box or junction box or as a built-in version 'EB' for integration in ducts or similar. However, additional protection must also be taken into account for built-in versions depending on the installation. Catalogue content:In this eibabo® catalogue Installation bus systems > Shutting actuator for bus system you will find items from the following product groups:Item overview:Azimuth controlBinary inputBlind functionBuilding controlBuilding system technologyCable entryCombination actuatorControl moduleControl unitsDIN railDIN railsDrive controlEngine control unitEngine controllerHome controlInput moduleLight domeNormally open outputOutdoor areaOutput moduleRadio receiverSeries installationShutter controlShutter outputShutter switchSplash proofSun protectionVentilation flapfrom the following manufacturers:Manufacturer overview catalogue Blind actuator:ABBBerkerBusch JaegerEatonEIBMARKTElsoEltakoESYLUXFinderGiraHagerJungLingg & JankeMDTMertenPehaSchneider ElectricSiemensSomfyThebenWaremaWieland

Frequency converter = - Do you have an AC motor and want to control its speed? Then the use of a frequency converter is an interesting product for you. A frequency converter is always used when you need permanent speed control on a machine. This can be, for example, pumps or compressors, but also fans, mixers or mills with electric motors. A frequency converter converts the fixed mains voltage into a variable voltage. This enables not only operation of the motor at a constant speed, but also acceleration and deceleration. In this way, the speed of a machine can be adapted to the current work requirements, energy can be saved if necessary, or production processes can be varied over time.Use the high-quality frequency converters from the eibabo® shop, protect materials with speed control and thereby extend the service life of your machines. Manufacturers of high quality goods are ABB, Eaton, KEB Automation, Maico, Mitsubishi, Omron, Rockwell, Schneider Electric and Siemens.What is electrical frequency?In order to explain electrical frequency and to be able to deduce the function of a frequency converter, we must first look at the basics of electricity generation. There is direct current and alternating current. Direct current always flows in one direction. Alternating current periodically changes direction. This change is represented in a diagram in the form of a sine wave, which is alternately in the positive and negative area of the zero point. Accordingly, an alternating voltage is also an oscillating electrical voltage.Already knew?The Danish company Danfoss was the first company to start series production of frequency converters. This was in 1968.The AC frequency describes the number of cycles in this sine wave per second and corresponds to the number of changes in direction. This is given in Hertz (Hz). 1 Hertz corresponds to a complete cycle from the zero point to the positive range, to the negative range and back to the zero point. The more cycles per second occur, the higher the frequency. The usual mains electricity in Germany and Europe has a fixed frequency of 50 Hertz.How does a frequency converter cause a change in motor speed?The standard speed of an AC motor is tuned to a specific frequency. This is based on the structure of the respective motor. A constant magnetic field with stationary poles prevails between two field magnets. Within this magnetic field is a rotating, also magnetic 'anchor' with two poles. If alternating current is passed through the armature, its polarization changes in time with the alternating current. With a mains frequency of 50 Hz, this happens 50 times per second. Accordingly, the attractive and repulsive forces between the field magnet and the armature change direction 50 times. Once set in motion, this alternation ensures a certain rotational movement of the armature and speed of the motor. Each change in frequency therefore also causes a proportional change in motor speed. The frequency converter is responsible for changing the frequency.The advantages are:infinitely variable control of the desired nominal speedReach very high and very low speedsdirect switching of the direction of rotation Picture: Schneider Electric ATV320U22N4C frequency converterWhat are the reasons for a change in engine speed?An almost constant frequency is applied to the classic AC network and therefore only one speed is available to you. The frequency converter regulates the frequency and voltage of the power supplied to the motor. That is why this device is often also called a speed controller. There are many reasons why the engine speed needs to be adjusted:to save energy and increase efficiencyto optimize the flow of manufacturing processesto protect material and extend the service life of machinesto meet the requirements of processing various materialsto adjust the torque / power of a driveto lower the noise levelto reduce peak loads Modern frequency converters have network and diagnostic functions. This makes it possible to integrate the devices into the control system of a plant and to monitor and optimize all processes.Where are frequency converters used?Frequency converters are used in numerous industries and applications. These devices are mainly found in compressor, pump and fan drives. But the speed of conveyor belts, production lines or cranes can also be controlled with frequency converters. An adapted or infinitely variable speed enables energy-efficient and optimized production processes.What should be considered when buying a frequency converter?The correct selection of the frequency converter is crucial for the optimal operation of the corresponding devices. Before selecting the drive, determine the number of input phases. Will the device be three phase or single phase? Will the device handle resistive loads, inductive loads, capacitive loads, or mixed loads? The individual loads cause different inrush currents when starting. Please consider this. Before you buy, find out about:the requirements of the operating environmentthe starting torquethe load torque characteristicsthe speed control range and the static speed accuracy TIP:You are very flexible with regard to the location. Frequency converters are available for installation in the control cabinet, for wall mounting and for decentralized field use. Since a certain level of expertise is required to evaluate these properties, we recommend consulting an experienced electrician. Catalogue content:In this eibabo® catalogue Low-voltage industrial components > Frequency converter =< 1 kV you will find items from the following product groups:Item overview:Built-in converterConverter unitDrive amplifierEngine controlEngine outputFan controlFan speed controllerFrequency controllerFrequency converterMotor controllerPump converterServo amplifierServo converterServo driveSpeed controllerSpeed settingVariable speed starterfrom the following manufacturers:Manufacturer overview catalogue Frequency converter =

Load switch - What are load switches and what are the switches used for? What switching properties do the different load switches have and how can you use them for your system? There are many different types of load switches on the market. And safety is the top priority when switching electrical devices. It is therefore important to choose a load switch that is suitable for your application. The following article should help you to make the right purchase decision.What are switching devices?Switching processes are omnipresent in electrical engineering. However, it is often not clear to laypersons which switch is the right one for the respective application. We give a brief overview of the various switching devices and take a closer look at the load switch. TIP:Working on electrical systems is dangerous for laypersons. Leave installations, repairs and maintenance to an experienced electrician. Switching devices are electrical devices that are used to control, switch or regulate electrical currents and voltages. These include, for example, switches, relays, current transformers, rectifiers and transformers. Their task is currentless switching, switching operating currents and/or switching short-circuit currents. The devices are differentiated according to their rated data, the switching task and the switching frequency. Commonly used switches are, for example:circuit breakerCircuit breakers are used for currentless switching on and off. Their task is to switch off downstream equipment in order to be able to work on it safely.load switchLoad switches switch currents up to their rated operational current. These switches are also used to switch on currents on an existing short-circuit up to the rated short-circuit inrush current.switch disconnectorLoad-break switches are a combination of load switch and disconnector. These are load switches with a safe isolating distance.circuit breakerIn the event of faults within the scope of the rated values, circuit breakers can switch on and hold high overload currents and switch off without damage.contactorA contactor is similar to a relay and is designed as a switch for high power with a high switching frequency. This is a device with a limited short-circuit making capacity and short-circuit breaking capacity.For safety:Isolating equipment serves to ensure safety when working on electrical systems. There must be an all-round separation from non-earthed lines. The fact that there is no voltage is no guarantee for activation.When selecting a switching device, please note not only its switching characteristics, but also the key figures with regard to:rated voltageRated operational currentrated surge currentRated short-circuit making currentRated short-circuit breaking currentRated breaking currentRated Insulation LevelType of arc quenching Load switches, load-break switches and the circuit breakers that are also often used are among the classic basic items in the eibabo® online shop. Convince yourself of our fair prices and look forward to fast delivery.What is a load switch?A load switch is a switching device for low and medium voltage ranges. This safely switches operating currents and short-circuit currents on and off under normal operating conditions. In contrast to a circuit breaker, this is usually not provided with secondary protective devices. In other words: A load switch is a switch for switching loads without a safe isolating distance. A classic example of this is the normal switch to turn the light on and off.What types of load switches are there?In the eibabo® shop you can get a large number of different load switches. These include reversing switches, star-delta switches, emergency stop switches, changeover switches, Dahlander switches, step switches and undervoltage releases. Depending on the design, the load switches can be surface-mounted, used in switch consoles or mounted as a series installation device on the DIN rail.What do I need a reversing switch for?The reversing switch is also known as a cam switch and usually has a zero position as well as a position 1 and position 2. No contact is closed in the zero position. The contacts of positions 1 and 2 are switched in such a way that a three-phase motor runs either clockwise or counterclockwise. The direction is switched over via the zero position.What is a star-delta switch?In three-phase systems, star connection and delta connection are most commonly used. Three-phase current, or three-phase alternating current, is generated in three coils, each offset by 120°, in a homogeneous magnetic field. With the star connection, one coil connection from each of the three coils is connected to a common star point. This star point serves as a connection for the neutral conductor. The other connections of the three coils form the three outer conductors. In a delta connection, the two terminals of one coil are each connected to one terminal of the other two coils. There are three connection points for connecting the three outer conductors. There is no neutral wire. The star-delta switch combines these circuits or allows switching between the circuits. This is necessary, for example, when starting a three-phase motor. In the star connection, the motor only requires about a third of the starting current. When the engine has started, it switches to delta connection. The motor draws more current in the delta connection and therefore has a higher output.You can also get combined reversing star-delta switches in the eibabo® shop.Picture: Eaton T0-4-8410/I1 star delta switchWhat do I use a Dahlander switch for?The Dahlander switch is used in so-called asynchronous machines (motors with switchable poles). The switch alternates between a delta connection and a double star connection. This changes the number of poles in a ratio of 1:2. This results in a change in engine speed of approximately 2:1. The classic application is, for example, lathes, which have a fast and a slow run.What are step switches?Electrical switches with several switching positions are called tap changers. Usually tap changers are constructed as rotary switches. The individual stages are used, for example, to change the voltage step by step or to switch the signal.What do I use undervoltage releases for?Undervoltage releases are electromagnetic or electronic components that trigger a switch-off process when the control voltage drops or fails. On the one hand, this protects sensitive devices, assemblies and drives from operation outside the required nominal voltage. On the other hand, it prevents, for example, rotating machines from starting to move uncontrollably when the voltage returns. Catalogue content:In this eibabo® catalogue Low-voltage industrial components > Off-load switch you will find items from the following product groups:Item overview:Cast pastedCentral built-in switchControl switchDahlander circuitDahlander switchFuse switch disconnectorHeater switchLoad current switchLoad switchLockingMachine switchMain switchMaintenance switchMini cam switchOff switchPotentiometerRepair switchReversing buttonReversing switchSeries switchSolar switchStar-delta switchSurface-mounted housingSwitch disconnectorSwitch position indicatorSwitching deviceToggle switchTransfer switchfrom the following manufacturers:Manufacturer overview catalogue Load switch:EatonElektraHagerHeliosKraus & NaimerMaicoMennekesRockwellSchneider ElectricStahlSälzer

Single-multi-pole terminal strip - Are you looking for single and multi-pole terminal strips? You've come to the right place with eibabo. Benefit from the large, high-quality range in the eibabo online shop. Here you will find everything that makes an electrical engineer's heart beat faster. And much more. With us you will find connection terminals with captive terminal screws made of galvanized steel. The clamping bolts are made of galvanized steel. For installation distribution boards with spring-type terminals, we offer you protective conductor terminals. In addition, we have practically multi-colored three-phase sets with high-current terminals in DIN rail mounting. Distribution strips that require an end plate are equipped with a plug. This enables user-friendly, quick and easy assembly in the additional assembly on terminals.Catalogue content:In this eibabo® catalogue Terminal blocks > Single- and multi-pole terminal strip you will find items from the following product groups:Item overview:Can clampClampClipConnection clampConnection terminalConnectorDevice clampElectronics lineEurope terminal stripFeed terminalInstallation distributorLamp clampLuster terminalN terminalNeutral terminal barPE and N terminalsPE clampPlug clampPlug-in terminalPlug-in terminal for N conductorPlug-in terminal for PE and N conductorsPlug-in terminal for PE conductorPower terminalSingle and multi-pole terminal blockSingle- and multi-pole terminal stripSocket clampTerminal blockTerminal for luminairefrom the following manufacturers:Manufacturer overview catalogue Single-multi-pole terminal strip:BachmannEatonHagerHenselJungKleinhuisMertenMurrelektronikOBOPhoenixPollmannSchneider ElectricSiemensSpelsbergStiebel EltronStriebel & JohnWAGOWecoWeidmüllerWieland

Coaxial cable - Coaxial cable, or short coax cable, stands for unbalanced two-pole high frequency cable with a concentric structure. The coaxial cable is composed of an inner conductor, which is surrounded by hollow cylindrical outer conductors at a constant distance. The outer conductor is protected by an insulating, corrosion-resistant and water-tight sheath to the outside and shields the inner conductor from interference. The space between inner and outer conductors serves as an insulator and is referred to as a dielectric. The dielectric can proportionally or entirely consist of air. The characteristic impedance of a coaxial cable and the frequency dependent attenuation is largely determined by the structure of the cable. You can use a coaxial cable as a 'flying' coaxial cable without fixed installation, often used as an antenna cable for radio or TV reception, or as RCA (Cinch) connection in audio technology. In the eibabo catalog, you will find different types and dimensions of coaxial cables but also BK cables, CATV house installation cables, underground coaxial cables, Midi-coax and mini coaxial cables, video cables, special SAT cables and twin coaxial cables and accessories such as reels.Catalogue content:In this eibabo® catalogue Cables > Coaxial cable you will find items from the following product groups:Item overview:Antenna cableAudio cableBackbone cableBamboo cableCableCATV cableCCTV cableCoaxial cableData network cableEthernet cableMulti coaxNetwork cableRG 11RG 174RG 213RG 214RG 223RG 58RG 59RG 6RG 62RG 71RG 8Signal cableTelematics cableTwinaxTwinax cableVideo cablefrom the following manufacturers:Manufacturer overview catalogue Coaxial cable:Astro Strobelbda connectivitybedeaBeldenDiverseHomewayKathreinLappkabelPROTEC.classSiemensSytronicTechniSatTelegärtnerTelestarTelevesTriaxWisi

Earthing-discharge device - In this eibabo® catalogue Safety devices > Single-pole earthing and discharge device you will find items from the following product groups:Item overview:Discharge rodSingle pole grounding and discharging deviceSingle-pole earthing and discharge deviceUnloading deviceUnloading devicesfrom the following manufacturers:Manufacturer overview catalogue Earthing-discharge device:DEHN