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Grothe - The history of the Grothe company begins as early as 1892. In the early days of the electric age, the founders showed real pioneering spirit and were one of the first manufacturers to start producing bells, contacts, transformers, switches and accessories. And as electricity became established within society and the economy changed, the Grothe company grew and changed as well. Grothe GmbH has belonged to the owner-managed Italian group Urmet since 2001. The merger brought additional know-how to the company and new markets were opened up. The product range has been expanded and now ranges from security technology to gel sleeves and smart home applications. Today, Grothe is one of the world's leading experts for intercom systems, signalling, security technology and building automation. The focus of research and development is on security around the building, door communication, connectivity and convenient control of lights and shutters. The company is located in Hennef. The production of the in-house horns, bell buttons, transformers and flush-mounted gongs is therefore carried out under the title "Made in Germany". The products are subject to the highest quality standards and have a timelessly elegant appearance. In the eibabo® shops from eibmarkt® you will find numerous products from the Grothe brand. There are, for example, in-house telephones, electronic door gongs, socket radio gongs and signal horns, but also bell buttons, relays, landing plates, radio transmitters, transformers and door loudspeakers. As one of the company's largest sales partners in Germany, we at the eibabo® technology store always have sufficient stock to ship your ordered Grothe products quickly and safely worldwide.

Found in shop categories: 9

Switching relays - How does a relay work? What different relays are there? Where are relays typically used? Which relay is right for your project? Learn more about switching and controlling circuits here. Switching relays are used in many different applications, for example in automated factories, in vehicles and in household appliances. The switching relays offered by eibabo® are high quality, inexpensive, versatile, reliable and universally applicable. The best-known manufacturers in our range are Wago, Schneider Electric, Bircher, Finder, Grothe, Hima, Issendorf, Metz Connect, Phoenix Contact, Siemens, Tele Hase and Omron.What are switching relays?A switching relay is an electromechanical device used to control electrical circuits. It consists of one or more electrical contacts that are controlled by one or more magnetic coils. When the solenoid is activated, the contacts close and current flows. When the solenoid is de-energized, the contacts open and current does not flow.Image: WAGO 788-312 socket with relayWhat should be considered when buying a switching relay?In view of the enormously large selection and the numerous specifications, choosing the right switching relay is not easy. Before you decide on a specific model, you should plan your switching device exactly and define the exact task of the relay. This results in the type of switching relay required. Now select a suitable relay for your project based on the following considerations:Is the installation fixed or moveable? Switching relays for mobile equipment should be able to withstand vibration and shock.What kind of contacts should the relay have? How many? What is the switching current and the switching voltage?Which current magnitudes and voltage magnitudes occur? Consider the nominal voltage of the coil, the coil current, the dropout voltage and pick-up voltage of the coil and resistances.Which response times and release times should not be exceeded?What is the expected switching frequency?What requirements do I place on the service life of the mechanical components?In which environment and in which temperature range is the relay used? How does a switching relay work?Depending on the design, relays can have a simple or complex structure. However, the basic functional principle is the same. The heart of a relay is the coil with an iron core. When current flows through the coil, an electric magnetic field builds up. A ferromagnetic armature responds and is attracted. This movement connects two contact springs together. The so-called working contacts in the relay close (normally open).Good to knowSwitching relays have electrical ratings for the coil and internal switch contacts. The coil voltage is the voltage required for the coil to operate properly. The circuit voltage rating represents the maximum rating of the switch contacts and should not be exceeded.In some designs, so-called break contacts are opened when the magnetic field is created. These are called openers. There are combinations of openers and closers, so-called changeover contacts or changeover contacts. As soon as the coil no longer generates a magnetic field, the armature is returned to its initial position by spring force. The working contacts are no longer closed.In addition, there are numerous other relay types, some for special purposes. As a rule, these relays differ in the functional principle, in structure and size, in the switching capacity and in the contacts. A few examples briefly explained:For example, thermal relays use a bimetallic strip that bends when heated, opening or closing the contacts. Thermal relays are commonly used in circuit breakers.Photoelectric relays respond to light pulses and open or close the contacts accordingly. These are used, for example, in photo flash devices and surveillance systems.In static relays there are no moving contacts. The switching action is triggered by thermionic valves, transistors or amplifiers. This list could be continued, for example with time delay relays, solid state relays, coupling relays, distance relays, differential relays, undervoltage relays or overvoltage relays. There are separate categories for many of these special shapes here in the eibabo® shop. Please use our intelligent search.What are switching relays used for?Relays allow a low current circuit to control or switch one or more higher current circuits. Switching relays in a variety of designs are required in electrical distribution and electrical installation. The switching relays from our shop can be used for all interface applications in demanding control systems. This allows you to connect highly sensitive and almost powerless controls of a PLC, a control system or a process computer with the power level of a machine or another connected consumer.What are the advantages and disadvantages of switching relays compared to other switching mechanisms?Switching relays offer the following advantages:Switching relays are inexpensive.The components are robust and tolerate voltage peaks and current peaks.Switching relays provide potential-free isolation from the load circuit.The heat development is low. Cooling is not necessary.Switching relays switch both very low signals and high-frequency power.In many cases, the current switching status can be seen with the naked eye.Thinner gauge wire can be used to connect the control switch to the relay.Relays make it possible to direct current to a device via the shortest path. This reduces voltage losses.  TIP:Semiconductors, semiconductor circuits or transistors are used as an alternative to relays. These offer an extremely fast response time. However, switching relays also have disadvantages:The mechanical components are subject to a certain amount of wear.Switching relays react sensitively to shocks and mechanical loads.The switching actions are audible.The response times and fall times are very long compared to semiconductors.The insulating capacity often depends on the environmental conditions. Why are protective devices used on some switching relays?If a relay is switched off and the coil suddenly loses current, a large voltage spike can occur. For this reason, protective mechanisms such as resistors or diodes are switched across the coil of the relay. These reduce or prevent the risk of these voltage peaks flowing back into the control circuit and damaging sensitive components. Resistors last longer, diodes provide more efficient protection against voltage spikes. You can judge what kind of protection is required based on the sensitivity of your components in the connected circuit.Why doesn't my switching relay switch off anymore?When choosing the right relay, you should pay attention to the loads that occur. Current peaks when switching can cause the contacts to 'stick' or 'weld' together. If the relay is not designed for the loads that occur, the surfaces of the contact springs will change over time. This can result in the contacts no longer opening when the relay is de-energized. Conversely, loads that are too low can also lead to a similar effect, since the self-cleaning process no longer takes place.  Catalogue content:In this eibabo® catalogue Relays > Switching relay you will find items from the following product groups:Item overview:AC contactorBracket mountBuilt-in relayChangeover relayCloserComplete relayCoupling moduleDC voltage relayInrush voltageInstallation relayManual control levelMiniature relayMounting clipPlug-in relayPower relayRailway relayRelay couplerRelay interface moduleRelay socketRelay switchRelay terminalRemote switching relaySingle relaySwitch moduleToggle relayTransfer blocksUniversal relayWindow drivesfrom the following manufacturers:Manufacturer overview catalogue Switching relays:ABBAlbrightBircherComatDoldFinderGlen DimplexGrotheHimaIndexaLegrand SEKOLützeMetzMurrelektronikOmronPhoenixRockwellSchalkSchneider ElectricSHCSiemensTeleTTIWAGOWeidmüllerWieland
Radio receiver - Do you have an existing electrical installation and would like to automate it inexpensively? Do you want to retrofit or expand your smart home without having to open walls? Then high-quality radio receivers belong in your shopping cart. Find out here what options are available to you with the use of radio receivers.What are radio receivers?Radio receiver is the generic term for a variety of different devices that are capable of receiving signals. Within a communication system, a radio transmitter emits a modulated signal. The signal is transmitted via a carrier medium (e.g. air) and reaches the receiver. This very weak signal is picked up by the radio receiver's antenna and amplified inside the receiver. In addition, the received signal is isolated from noise or interference signals. Finally, the modulated signal has to be demodulated in the receiver in order to get back the original signal. This is reinforced again. We all know radio receivers from our daily life. A typical representative is the classic radio. Here speech or music is transmitted via long wave bands, medium wave bands and short wave bands. Their frequency is between 30 kHz and 300 kHz for long waves and 30 MHz to 300 MHz for short waves. Another recipient of our everyday use is the telephone. This so-called communications receiver is used to receive shortwave telephone signals.Already knew?The higher the frequency, the shorter the wavelength and the faster the speed of transmission.A final example is the receivers of television signals. These signals are typically transmitted over VHF (very high frequency) and UHF (ultra high frequency) bands with a frequency between 30 MHz and 3 GHz.But how important are radio receivers for you, your building automation or the electrical installation?Radio receivers are used wherever there is no power line or bus line. In addition, radio receivers are suitable for anyone who wants an installation that is as flexible as possible. Our radio receivers are also suitable for retrofitting existing analogue installations and device controls. In this way, radio receivers offer an interesting and cost-effective solution for home automation and to increase living comfort.For this reason we offer a wide range of radio receiversfor flush mounting (radio receivers, switching actuators and radio actuators)for operation (radio buttons, antenna modules, universal displays)for control (radio adapter, radio sockets and adapter plugs) from all well-known manufacturers. These include top brands such as ABB, Bachmann, Busch Jaeger, Eltako, Grothe, Jung, Peha, Warema, Stiebel Eltron and numerous others.What is a radio actuator?Within building automation, a radio actuator performs the same tasks as a wired actuator. The difference is that the radio actuator does not require a bus line to carry out the tasks assigned to it. The device receives the working signals via a wireless radio link. In principle, it would also be possible to wirelessly implement the power supply in the near field by means of inductive energy transmission. However, wireless actuators usually have a direct power supply. The transmission frequency and reception frequency is usually 868 MHz.What advantages do wireless actuators offer?In order to recognize the differences compared to wired actuators, let's first look at their control. There are actuators that are controlled by switching the power supply on and off. Other actuators are controlled by switching the contacts. With these contact switching actuators, there is a permanent voltage, which the device draws from a machine, for example. The switching tasks are transmitted via an additional bus line. The disadvantage of both variants lies in the sometimes long cable routes and complex cable connections. These are expensive and may affect the mobility of automated machines. The radius of action is limited by the length of the line connections. In addition, with mobile installations there is always a risk of damage to the connections. A radio actuator solves many of these problems. By using wireless actuators, control cabling can be saved and the flexibility of the installation can be increased. TIP:With repeaters you can easily increase the radio range of your radio transmitters and thus expand the area of application of the receivers. When using an inductive power supply, such a device does not require the use of fixed connections. Other advantages are:Possibility to expand the functionality of already existing systems or home automationPreservation of the aesthetics by saving on cables and cable management systemsIncreased security in access systems or similar because no lines can be manipulated What types of radio actuators are there?In the eibabo® technology store you can get wireless actuators for a wide variety of tasks. These include, among others:Blind actuators and roller shutter actuators (for sun-guided or timed control of your shading systems)Dimming actuators (for the realization of different light scenes and for the optimal setting of the lighting according to time and other parameters)Relay actuators (for switching circuits and the associated control of end devices)Temperature controller (to regulate and display the room temperature)Presence detectors and motion sensors (to trigger certain processes when detecting human presence)Light sensors and brightness sensors (for automatically switching the lighting)as well as staircase lighting actuators, impulse switches, universal actuators, time relays and others Image: Eltako FUD61NPN-230V wireless actuator universal dimmer switchWhat do I have to consider when buying radio receivers and radio actuators?Of course, a radio receiver isn't of much use to you if it doesn't receive any signals. You need appropriate radio transmitters or sensors that provide the recipients with the required data. These can be, for example, window contacts or door contacts, universal transmitters, remote controls, hand-held transmitters, weather stations, temperature controllers, motion detectors, thermostats, buttons or the like. In order for the communication between sensors and actuators to work, all components must be parameterized. As a result, each device knows which commands to send or receive and how to respond to them. The standardized 'Engineering Tool Software (ETS)' is available for this. This is a tool that you need for commissioning and linking KNX devices. You can obtain the software from www.knx.org. In principle, the ETS is also suitable for laypersons who are interested in the logic of the KNX, as programming knowledge is not required.In addition, we generally recommend studying the applications (parameters and functions) provided by the manufacturer for the ETS before purchasing. This ensures that a specific device can also take on the tasks you want and carry them out correctly. This also includes the frequency with which the transmitter and receiver work.  Catalogue content:In this eibabo® catalogue Domestic switching devices > Radio receiver you will find items from the following product groups:Item overview:Awning actuatorBuilding automationCable replacementDimmer insertsElectric heatingEngine actuatorEngine control unitEntrance gateFlush receiverGate controlGlass radiatorHome automation remote controlHome controlInfrared panelRadio conversion setRadio remote controlRadio switchShutter radio receiverSocket actuatorStaircase timer switchSun protectionTactile sensorUniversal receiverVideo intercomWind sensorWipe-onWireless sensorWireless socketfrom the following manufacturers:Manufacturer overview catalogue Radio receiver:ABBAVM ComputersystemeBerner TorantriebeBusch JaegerEberleElsoEltakoEthermaEVNGrotheHamaHuber + Söhne WHDJumoJungMertenRademacherSchalkSomfySommerStiebel EltronVitramoWarema
Electric door opener - Are you planning the access system for your building and need an electric door opener for it? You will find the right components for this in the eibabo® shop. Choose from numerous variants from different manufacturers and also find out what types of door openers are available and what you should pay attention to when buying.What are electric door openers?The term 'electric door opener' conceals very different ideas about which products are actually involved. As part of our customer service, our customers mainly ask about three product groups:Drives for doors and gatesThere are different types of drives for doors and gates. The simplest type is the classic door operator, which lifts a garage door, for example. This usually consists of an electric motor with a movable linkage, which opens and closes the gate. Alternatively, this type of door opening is also available with a chain drive. There are openers with linear drives and lever drives for gates on property boundaries and driveways. The linear actuator design includes an elongated body in which the gear box is enclosed. The gearbox turns a worm drive, causing a rod attached to the gate to lengthen or shorten. This opens or closes the gate. The design of the lever drive consists of a classic housing in which the gear is located. The power of the gear is transmitted to a steel lever attached to the gate leaf. This enables the gate to be opened and closed. In this construction, there are right and left mechanisms.Electromechanical door leaf openerOne of the biggest challenges for people with walkers or wheelchairs is getting through doors. Sitting in a wheelchair and opening a door at the same time is a problem. Likewise, closing a door after driving through it is difficult. To master this challenge, there are electromechanical door leaf openers. Surely you have seen these in hospitals, shops and offices before. These are usually activated by stepping or driving on a mat, or by walking past an electrical sensor. However, these devices are quite expensive. Of course, there are also simpler models for private use. Residential electric door openers consist of an electric motor mounted on the door frame or the door itself. The motor activates and moves a rod that opens and closes the door. The electromechanical door leaf opener can be installed on either interior or exterior doors.Electrical or electromagnetic door lock openersA modern door lock is a mechanism that can consist of a complex combination of locking devices. The safety of property and personal safety depend on the reliability of the lock or the locking mechanism and its quality. Therefore, you should plan your purchase with all due care. Electrical and electromagnetic openers and closers are often used for controlled locking and unlocking of doors in access control systems and management systems. Unlike electromechanical models, these systems are:easy to handlequickly mounted on the doordurableinexpensive  TIPIn this eibabo® catalog you will mainly find products from the area of electric and electromagnetic door openers. Automatic door openers are ubiquitous in apartment buildings, industrial plants and large office buildings. These unlock or lock the lock at an entrance by an electrical or electromagnetic process. When and how a door is locked or opened depends on the installation of the door opener. If a door opener works with quiescent current, the door only opens when the circuit is interrupted. This is typically the case with escape doors. However, there are also working current door openers. These only open a door when power is applied. This means that in the event of a power failure, the corresponding door would remain closed. Whichever type you prefer, you can get high-quality electric door openers at reasonable prices in the eibabo® online shop. Manufacturers of safe and well thought-out systems are Assa Abloy effeff, Berner gate drives, Etherma, Geze, Grothe, Novar, Siedle and Viveroo. Pay securely and monitor your delivery with our track-and-trace system.Typically, electromagnetic locks hold doors closed due to the action of a powerful electromagnet. This attracts a metal plate attached to the door. The door is opened using the exit button, which changes the state of electromagnetism. Alternatively, this control signal can also be triggered centrally by the access control system.Image: Assa Abloy effeff 118WR-------B71 electric door openerWhat types of electromagnetic door openers are there?Due to their design, electromagnetic door openers differ in models whose contact either 'shears off' or 'tears off'. This depends on the position of the contacts in connection with the opening direction of the door. Furthermore, one subdivides into add-on locks and built-in locks. Electromagnetic attachment locks are the most common, as they do not affect the structure and stability of a door leaf. Since there are no moving and rubbing parts in this type of locks, their function is guaranteed in all climatic conditions. Within access control systems, electromagnetic door openers are often used for external doors of residential buildings, offices, industrial buildings, supermarkets with normal security requirements.How do electromagnetic door openers work?An electromagnetic lock consists of 2 parts:an electromagnet mounted on the door framea metal counter plate which is attached to or in the door In the so-called normally open operating mode, a direct current or alternating current is supplied to the electromagnet winding in order to establish a strong magnetic field. This pulls the metal plate of the door towards the lock. The door is held closed by the force of the magnetic field. To open the door, the circuit must be broken. The magnetic field disappears and the door can be opened. Even in the event of an unplanned power failure, the electromagnet releases the plate and the door goes into the unlocked state. Therefore, not only electromagnetic locks are installed on the most important doors, but also conventional mechanical or electromechanical locks.TIPModels are available that work on the opposite principle - i.e. are closed without current. In these cases, the magnetic field is established without current and the door is closed by default. The magnetic field is only interrupted when a voltage is applied and the door can be opened.This functional principle is very common in classic door openers, for example.How securely do electromagnetic door locks close?All electromagnetic locks have a high mechanical traction or holding power. This is given in kilograms. The heavier and more important a door is, the higher the holding power of the lock should be. When choosing a model that suits you, you can use the following rule of thumb:A holding force of 150 kg or more is usually sufficient for interior doorsElectromagnetic locks with a holding force of 300 kg or more are usually used for standard street doorsFor security doors and heavy steel doors, use models with a pull force of over 1000 kg What are the advantages and disadvantages of electromagnetic door openers?Advantages over other locks and locking mechanisms include ease of installation and durability. There are no mechanically moving parts that can wear out or jam. Compared to electromechanical door openers, the power consumption is low. Magnetic door locks are insensitive to heat, cold and precipitation and can be used in rooms with high humidity. Their dependency on electricity can be seen as a disadvantage.What should be considered when buying electromagnetic door openers?We have already mentioned many properties that limit the choice according to your needs. Before you buy, consider the following points, among others:Should it be a built-in device or a surface-mounted device?Should the opener work with open-circuit current or with closed-circuit current?What type and level of power supply is required?Is the design decisive (left / right / symmetrical)?Does compatibility with existing mortise locks and striking plates have to be guaranteed?Do you want manual locking or unlocking for emergencies?Is one opener enough or should it be a set with strike plate and frame?What holding power should the device have? What is the difference to a purely electric door lock opener?Electromechanical door locks are also available on the market. These are mechanical locks with electronic components. These door openers are also powered and work in combination with a classic locking mechanism to lock or open the door. The type of locking and unlocking can vary. These can be buttons, keypads for entering codes or passwords, biometric devices, scanners, key fobs or key cards.  Catalogue content:In this eibabo® catalogue Alarm installations, emergency call and signalling > Electrical door opener you will find items from the following product groups:Item overview:Angled locking plateAutomatic staircase lightCable transitionCable transitionsCone contactDetentDoor opener coilInlet reed contact bracketLockingLocking plateMortise door openerMounting casePush-on boltReplacement plateSecuritySecurity lock openerSliderSpacer plateStandard door openerSwing gate operatorUniversal door openerUnlockingfrom the following manufacturers:Manufacturer overview catalogue Electric door opener:Assa Abloy effeffBerner TorantriebeEthermaGezeGrotheNovarSiedleViveroo
Video in-house phone - Increase security in your owner-occupied house, apartment or your company through the use of a video-house phone or video intercom from the eibabo range! We offer a wide range of high-quality video door phones, hands-free bus telephones, bus video panels, video indoor stations, TKM indoor stations, heands- free video house stations and stations for video intercom systems. A video intercom system usually consists of two components: The outdoor station is installed at the front door or the gate to the premises and, in case of video intercoms, equipped with a camera, sometimes also with a microphone. The second component of a video intercom system is the indoor unit, which presents the image of the visitor on a display of the video intercom. You can tell, instantly, who rang the door bell. You can (if necessary unnoticed) look at the camera image and then answer and, if desired, open the door. In addition to the door opening function. many of the video intercom systems offered at eibabo have other useful features such as an audio privacy function or illuminated buttons. Discover, with the devices from our catalog, high-quality technology and the simple and intuitive operation of video house phones and video intercoms. Many video house phones are designed for two-wire technology, which does not need complex control electronics for the audio connection. You just install any additional components required for the video signal in your electrical distribution or directly on the device. We also offer a wide selection of video house phones, that can be connected via a bus system to your home automation system. These products open an even wider range of functions and control options. The video house phones offered by eibabo have an extensive range of functions, some have built-in image memory or programmable function keys. We offer video intercoms in top quality and design of all major and well-known manufacturers, including Siedle & Söhne, Busch-Jaeger, Elcom, JUNG, TCS door Control and Merten, Gira, Ritto or Legrand (SEKO) and Grothe.Catalogue content:In this eibabo® catalogue Communication technique > Indoor station door communication you will find items from the following product groups:Item overview:DECT phoneDoor communicationDoor phoneDoor stationGSM phoneHome phoneHouse phoneHouse stationHouse telephoneIndoor station (audio/video)Indoor station door communicationIndoor station for door communicationIntercomIntercom phoneLabeling filmPhonesReplacement deviceResidential phoneSpeakerphoneStationSystem phoneSystem telephoneTelephoneVideo door phoneVideo indoor stationVideo intercomVideo monitor intercomVideophonefrom the following manufacturers:Manufacturer overview catalogue Video in-house phone:Balcom ElectronicBusch JaegerComelit GroupElcomElsoGiraGrotheIndexaJungLegrand SEKOMertenRittoSiedleSomfySTRTCS
Function module door station - Are you sure you have experienced this before? Someone is ringing the doorbell and you would like to know who it is. However, you don't want to open the door just yet, because not every visitor is welcome. Find out here what you need for optimal communication between 'inside' and 'outside' and which properties the different function modules of a door station can have.A door intercom is a practical device because, for security reasons, not every stranger should be allowed to enter a building without asking. Door phones offer the convenience of communicating with visitors first. Only then will a decision be made as to whether a person will be granted entry or not. The function module at the entrance is of particular importance. Depending on the type, scope and equipment, you have numerous opportunities to influence comings and goings. Incidentally, this not only applies to private property with a single-family house, but also to apartment buildings with many residential units, commercial properties or company buildings with parking spaces, storage areas and delivery zones.Which function modules are there for door stations?Depending on the complexity, a door station consists of one or more indoor stations and one or more outdoor stations. The modules presented in this category are designed for external installation, offer numerous functions and are often modular in design. This gives you maximum freedom in planning, installation, operation and expansion. In our online shop we carry the following function modules and accessories:Switching modules, bell modules, bells and combined bell and light modulesCover and dummy modules as well as front panelsaudio modules and speaker modulescomplete video front-door stations, communication columns and door hands-free systemsCode lock modules, keypad modules and code buttonsDisplay modules and information modulesTransponder modules and card reader modulesModules for key switches and lock modulesLetter slot flaps and motion detectors In the following text we will go into more detail about individual modules.Image: Siedle TM 612-2 AG button moduleWhat is the difference between the bell modules for the door station?The simplest models are the bell modules. These consist only of one or more bell buttons. You usually have the option of attaching name tags. Some variants offer an additional button to switch on the entrance lighting. You can choose these depending on the style and color of your building. When it comes to the materials, you have the choice between plastic, elegant glass or robust metal.The modules with an additional hands-free facility are somewhat more comprehensive. Assuming a compatible indoor station, it is possible to speak and hear each other. These variants already offer a higher level of security. By communicating, you will find out who is at the door and why that person rang your bell.More complex function modules also offer a camera. This is particularly convenient because now you can also see the visitor. It can also be seen whether other people are present. Function modules with a camera are typically set up as a one-way system. That is, the person in the building can see an image of the visitor. However, the visitor does not see the person in the building. If required, complete video front-door stations and door hands-free systems with screens are also available. These are then usually designed as two-way systems.What functions do display modules and information modules offer?Display modules often supplement the bell modules or replace large keypads with many bell buttons. Their display is used to show important information such as names, house numbers, directions, opening hours or rules of conduct. Depending on the model, use the keys or the display to navigate to the person you want and then ring out. TIP:Display modules are the right thing for complex systems. Such devices manage up to several hundred participants in the smallest of spaces. These modules are therefore a compact alternative to properties with many residential units or office complexes. The manufacturers supply special software for parameterizing the participants. Special programming knowledge is not required.How do code lock modules and fingerprint modules work?Of course, you can get numerous special modules from eibabo®, for example if you want to install access control via a keypad module. Entering a numeric code allows a person access to the building. Depending on the model and system size, several hundred access codes can also be programmed here. The input keys are usually designed in such a way that people with visual impairments can feel the position of the individual fields. After entering the access code, you will receive visual and/or acoustic feedback as to whether you have been granted access or not. You can use code lock modules, or electronic key modules, as a stand-alone solution or in combination with other modules.A module with the fingerprint sensor offers a high level of security. Access is quick and easy by placing a finger. A sensor captures the fingerprint and compares it with the fingerprints previously stored in the system. Once the person has been identified, the system can authorize access.NoticeFingerprint modules offer enormous advantages. On the one hand, people do not have to remember any access codes. On the other hand, there is no risk of someone forgetting or losing their key.There are two types of fingerprint modules. With an optical sensor, the image of a print is captured and converted in such a way that it can be processed by the algorithm for identification. A capacitive fingerprint sensor uses a series of tiny capacitor circuits to scan a finger's profile. Using the resulting image, a processor searches for matches to the attributes stored in the database.What are card reader modules and transponder modules?You know card readers from paying with your bank card. The card reading modules for door stations work in a similar way and grant access to the building by inserting or laying on a card (optionally with additional entry of a code). Like other modules, these can also be used as a stand-alone solution or in combination with other access control systems. Transponder modules are comparable with this. Here a transponder is used to open an access. This is often in the form of a keychain.What should I look out for when buying a function module for door stations?Depending on the type of door station, function modules offer a wide variety of options. We have already presented numerous options, starting with the simple ringing of a bell, through video communication to individual access solutions. Simply choose a system that meets your requirements. What other things should you consider?For how many participants does the module have to be designed?Is a later extension to be considered?How and where is the module installed (flush, surface, column)?Is the module exposed to particular loads (dirt, vandalism, weather)?Should the module also be operable by children and people with disabilities?Is the identity of each person recorded?Do I want to combine it with time management and create documentation?Are there permission levels for specific areas?Can the functional module be integrated into a building management system?and much more At eibabo® you will always find high-quality products from selected manufacturers that exactly match your needs and requirements. The brands Auerswald, Busch Jaeger, Elcom, Gira, Grothe, Renz, Somfy, Wantec, Ritto, Renz and Siedle, among others, offer the best quality. We also offer a large selection of transponder cards and transponder keys as well as door opener relays, indoor stations and complete door intercom sets.  Catalogue content:In this eibabo® catalogue Communication technique > Functional module for door communication you will find items from the following product groups:Item overview:Access systemBell moduleBrightness sensorButton coverCamera eyeCard reader moduleCode lock moduleCover moduleDoor code systemDoor intercomDoor opener moduleDummy moduleGate operator accessoriesInformation areaInformation elementIntercomIntercom systemInterfaceLanguage moduleLetter flapOutput modulePlaceholder modulePower adapterPresence detectorRadio code switchSpeech moduleSwitching actuatorWide angle lensfrom the following manufacturers:Manufacturer overview catalogue Function module door station:AgfeoAuerswaldBalcom ElectronicBusch JaegerComelit GroupElcomGezeGiraGrotheIndexaLegrand SEKOMobotixRenzRittoSiedleSomfyTCSTelecomWantec
In-house phone - Are you looking for in-house telephones for your intercom? Here at eibabo® you will find everything to do with your door communication. Experience the advantages of the products we offer: simple and intuitive operation, proven technology, low prices for handset telephones and hands-free devices. Choose from high-quality and inexpensive in-house telephones and indoor telephones, audio indoor stations and audio indoor stations, door telephones and door intercom systems, bus hands-free telephones and bus telephones, hands-free stations, analogue in-house telephones and system telephones for intercom systems.This catalog of our shop offers audio in-house telephones and home stations. If you are interested in devices with video function, please select the 'Video intercoms' catalogue. There are also separate catalogs for the product groups 'intercom video systems' and 'door intercom sets', where you will definitely find what you are looking for.What are the possible uses of in-house telephones?Housephones and intercoms typically serve two distinct purposes within homes and other buildings. On the one hand, the devices are used to communicate with people at entrance doors, gates or passage locks. In some cases, access control is implemented in houses with several apartments or commercial units. On the other hand, in-house telephones are used as a means of communication among one another. This feature may not be as relevant in the age of ubiquitous smartphones. Nevertheless, it is used for improved communication and quick coordination between people in different rooms or on different floors.NoticeA simple in-house communication network works without an external exchange. No authorization or connection to a telephone provider is required to use these systems.If necessary, the connection to the landline network, mobile network or Internet is possible. It is then also possible to make contact from outside the network.Classic use casesYou probably know the classic use cases. House telephones are standard in hotels, retirement homes and hospitals. With a short (usually one or two-digit) number you can reach reception, an in-house service provider or the ward nurse. Of course, such a system also facilitates communication between employees. Especially in an emergency, various people can be informed and alerted within a very short time.But in-house telephones are also becoming more and more popular in the private sphere, connecting the kitchen, living room, children's room or garden shed with one another. In certain situations, house phones are a good alternative to mobile phones. Family members do not always carry their smartphones with them. Some examples are:Communication in rooms with poor mobile phone reception (basement, laundry room)Communicating with people in places without a cellphone (garage, sauna, pool)Communicating with younger children without cell phonesListening to other rooms (baby monitor function) Image: Siedle HTA 811-0 W in-house telephoneWhat functions do audio in-house telephones offer?In-house telephones signal the door call or an internal call. The devices are designed in such a way that the signal is received directly and played back as a ringtone/call tone. In-house telephones establish a speech connection with the connected intercom. Depending on the model and installation, the devices also differentiate between the floors, departments, contact persons or doors. Furthermore, you as the operator are able to open doors and switch on the light via the telephone. With many devices, the ringer volume can be conveniently adjusted on the device or switched off completely (muting). With some systems, a radio can be integrated into the master control unit, which broadcasts music to different parts of the house. TIP:Depending on the model, an in-house telephone can be installed surface-mounted, flush-mounted or on a DIN rail. If you do not want a fixed installation, we recommend a modern tabletop device. At eibabo® you will also find a large selection of devices for bus installation. This enables you to implement a variety of communication and control functions with your smart home in-house telephone system. These include, for example:automatic door openers and door monitorsMonitoring and control of garage or courtyard gatesSwitching and controlling lighting scenariosthe activation of camerasHandling internal calls and forwarding door calls to other extensions What advantages do wireless in-house telephones offer over wired models?A big difference is the way the in-house telephones are installed. There are wired and wireless audio intercoms. Permanently installed, wired audio systems are widespread. These require the laying of cables within the walls, between different rooms and floors of the house and at the doors. The installation of a wired system should be well thought out beforehand. Installation is best done while the solid walls and drywall are still open and accessible during a construction phase. Subsequent laying of the lines causes dirt and can cost a lot of time, work and money. The advantages and disadvantages are:the range can be determined individually by the length of the cablesModels with cordless handsets expand the radius of action even furtherClosed wired systems cannot easily be eavesdropped on from the outsideFlexible construction according to local conditions possiblewired systems have to be installed at great expenseChanges and extensions are difficult With a wireless system, you reduce the installation costs or you can install a system without complex construction work. On the other hand, the system must have the required range to also be able to integrate distant participants. Under unfavorable conditions, the use of range amplifiers is recommended. In the event that further participants are added, a system should be expandable. The advantages and disadvantages of wireless systems are:easy and inexpensive installationflexibly expandableEnvironmental conditions affect performance Can audio in-house telephones be expanded with a video function?The core functionality of a simple in-house telephone is basically pure audio communication. This is accompanied by some restrictions in terms of comfort. With this in mind, video intercoms are more popular. This also allows you to see who is at the door. Communication between the individual areas of a house with a video function is also more convenient. It is possible to add a video function to an already installed audio system, but this does not always make sense. Keep in mind that you may need to install additional wiring and purchase cameras and monitors. The technology must also be designed for the additional functions. As a rule, it is therefore easier to replace old devices with new devices with integrated video functions (and other functions). The existing installation can continue to be used.Video systems are available in both wired and wireless configurations. Video quality may vary. Some models transmit only black and white, others color. Some only offer low resolution and others transmit high resolution images. Depending on the model, an infrared-based night vision function is available. Depending on the equipment, the video transmission can be in one direction or in both directions.Can I integrate a simple in-house telephone into a smart home system?If you already have an intelligent system for internal house communication, you can usually expand it. However, it is not necessary to install a device with video or other functions at every point in the network. The opportunity for a brief audio consultation is often sufficient. Many manufacturers offer compatible telephones for their own systems, which can be seamlessly integrated into the system. As a specialist center for building automation, the eibabo® shop offers a large number of bus-capable in-house telephones from all well-known manufacturers. These include Busch Jaeger, Siedle, Grothe, Ritto, Merten, STR and Gira.  Catalogue content:In this eibabo® catalogue Communication technique > Indoor station door communication you will find items from the following product groups:Item overview:Base unitBus phoneButton setColor monitorCompact call stationDoor intercomDoor phoneHands-free deviceHome stationHouse phoneIndividualIndoor phoneIndoor stationIndoor unitIndustrial stationIntercomOffice intercomResidential stationScrew stripStandard phoneStationSystem devicesSystem phoneTelephone handsetTouch screenUniversal phoneVideo intercomVideo systemfrom the following manufacturers:Manufacturer overview catalogue In-house phone:Balcom ElectronicBusch JaegerComelit GroupElcomElsoGiraGrotheIndexaLegrand SEKOMertenRittoSiedleSTRTCS
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