The following 7500 products have been found matching your search "Winder":

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Finder - Finder stands for switching, controlling and measuring like no other company and has become indispensable in switchgear and control construction as well as building automation. Did you know that the name Finder does not come from a family name, but is a pure brand name and was created by the company's founder, Mr. Piero Giordanino, back in 1954. Finder is one of the most innovative companies in Italy. Finder has a remarkable ability to both innovate and perfect the tried and tested. Since 1954 Finder has been working in the field of switching, timing and monitoring relays. With over 10,000 different products, Finder has one of the most extensive relay programs. eibmarkt® offers over 1000 items from Finder in its eibabo® shops, of which around 300 are in stock. In particular, Finder time relays of the 80.41 series, plug-in relays, three-phase meters, multifunction relays, coupling relays, impulse switches and dimmers as well as Finder installation contactors and the Finder 40.52 series print relays are in particularly high demand. Finder produces at four locations. The headquarters and main factory are located in Almese, near Turin in Italy. The other production sites are located in Sanfront, in the south of Turin (Italy) and in the south-east of France, in Saint Jean de Maurienne. The latest plant is in Spain: in Valencia. Finder operates two logistics centers: in the Rhein-Main region of Germany (Trebur-Astheim, Germany) and in the northern Italian region of Turin (Almese, Italy). The high production standards ensure that the products are always of the same processing quality, which is particularly important in electrical installation. At eibabo® you will find all Finder items at top conditions and, as a private or corporate customer, you can order Finder items worldwide and have them delivered. We can even deliver non-listed Finder items (goods to be ordered or procured) quickly and unbureaucratically. You can find finder articles in particular in the main catalog Electrical material > Electrical distribution installation > Relays, switching relays, installation relays, staircase lighting timers and installation contactors REG.

Found in shop categories: 8

Accessories gate-shutter drives - It's very convenient when you can drive your car straight to the garage after work in winter. Everyone is happy to do without getting out and unlocking the car in the dark and cold. To give you the opportunity to realize your ideas of a comfortable home with automatic doors, gates and roller shutters, you can get all the components you need to control garage doors or blinds in the eibabo shop. This begins with tubular motors and drive shafts, continues with locking mechanisms and does not end with switching and control technology. Convince yourself of our extensive range and the many options available to you to equip your house with smart technology. We are happy to support you with questions about your home automation.Catalogue content:In this eibabo® catalogue Gate operators, pumps and ventilators > Accessories for gate-/roller-blind drive you will find items from the following product groups:Item overview:Accessories for gate driveAccessories for gate-/roller-blind driveAccessories for roller-blind driveAccessories/spare parts for gate-/roller-blind driveBall bearingBreaking unitClaw bearingDeflector unitDoor clutch holderEmergency releaseExtension moduleFoundation boxGuide armGuide railHolder remote controlHolder/table top holder remote controlHolder/tabletop holder remote controlMounting angleMounting bracketMounting rail holderRubber-metal anti-vibration mountSlotted iron stripSpare parts for gate driveSpare parts for gate-/roller-blind driveSpare parts for roller-blind driveTabletop holder remote controlToothed beltTransmission armfrom the following manufacturers:Manufacturer overview catalogue Accessories gate-shutter drives:Dometic WAECOJung PumpenRademacherSchneider ElectricSEW-EurodriveSomfySommerVahleWaremaWindowMaster
Heat accumulator - Do you need a heating source for your house or for a specific room? Not sure if storage heaters are the right choice for you? Is it true that heating with thermal storage is no longer up-to-date? We clarify to make your purchase decision easier. Heating is important, because in the winter months we like to withdraw and spend the long evenings comfortably at home. However, a warm environment is a prerequisite for this. Heating costs are constantly increasing and buying the right system should be carefully considered. All heating systems have advantages and disadvantages, including thermal storage. Depending on the needs and consumption profile, thermal storage can still be an attractive alternative.What are heat accumulators?Heat storage devices are devices that store excess thermal energy for a certain period of time and retrieve it later. If you install one or more heat accumulators in your heating system, you 'conserve' the heat once it has been generated and the energy is not lost so quickly. With storage heating, also known as night storage heating, you can optimally use electricity outside of the expensive peak times. TIP:Storage heaters are designed for either wall mounting or floor mounting. Installation is often easier than with other heating systems. The devices are fully-fledged heaters for homes and businesses. Floor-standing devices are larger and usually have more storage capacity. Wall mount devices are narrower and need to be lighter. Their performance is usually lower.How does a heat accumulator work?The operating principle of the heat accumulator is easy to understand and the structure of the devices is relatively simple. This type of electric heater contains an electrically powered heating element and storage media. These are usually ceramic bricks or clay bricks. These materials can store a lot of heat. Typically, the storage heater heats with cheap off-peak electricity and stores the heat in the storage media. This is then released again over several hours to heat rooms. The heat is distributed in the room via so-called convection currents. Warm air rises out of the heater at the top and cooler air flows in from the bottom. The cool air is warmed up by the heater and rises again, while the previously warmed air cools down and sinks to the ground. A cycle is created which distributes the heat evenly throughout the room.If you look at this principle over the course of a day, the basic idea of this heating method quickly becomes clear.The storage heater consumes (cheap) energy at night and is 'charged' in the morning. During the day, the bricks slowly release the heat and cool down. As a result, the heating output also decreases. In the evening most of the heat is gone, but the house, apartment or room has been comfortably warm for many hours. Such a heater is therefore suitable for the home office or other rooms that are used regularly during the day. If the walls have a certain storage capacity, the heating output still has an effect. There is no doubt that the principle of night storage heating leaves a lot to be desired in the evening. Charging at night is not optimal for a cozy evening in front of the TV. Of course, modern storage heaters nowadays have sophisticated control systems and power regulators. This allows you to regulate both the storage and the heat output and optimize it in terms of time. However, this does not change the basic principle.In combination with a solar system, the charging curve and the heating times can be shifted. If you have the opportunity to use solar energy, the storage tank can be charged during the day. Depending on the weather, orientation and performance of your system, the charging of the storage media at midday leads to a high heating output in the afternoon and evening and decreases again during the night. With this variant, the rooms may not be sufficiently heated in the morning and up to midday.Which comfort functions do thermal storage tanks offer?To optimize performance, modern storage heaters, their controls and housing are becoming more and more efficient. Manufacturers also keep offering innovations in terms of operation.Fans support the room air distributionThermostats regulate the room to the desired temperatureSmart charging controls enable the amount of heat to be stored as requiredWLAN connection allows control via telephone and voice assistant or integration into the smart home What are the advantages of thermal storage compared to other heating methods?Heat accumulators are comparatively easy to install and do not require regular maintenance or servicing. The service life can be several decades without incurring any significant costs. If the installation of a gas heater or other heating fails, for example due to monument protection, the heat storage tank is often an alternative. If you purchase cheap green electricity or produce the electricity yourself using your own solar system, the heat storage tank has a very good CO2 balance.Is heating with a storage heater expensive?Heating rooms is always associated with costs. Whether it is expensive or inexpensive depends less on the actual invoice amount. The decisive factor is the relationship between calorific value and costs. The question is therefore: Does heating with thermal storage make economic sense for me? Things like acquisition costs, installation costs, operating costs, maintenance costs and repair costs come into play here. The optimal solution depends on the individual circumstances and your consumption profile.Image: Glen VFE 60K heat accumulatorIs heating via thermal storage right for me?You should think carefully about whether an electrically operated storage heater is right for you. One thing is certain: Electricity will generally become more expensive in the future if you are dependent on energy suppliers. However, this also applies to many other energy sources such as gas and fossil fuels. A heat accumulator may be the optimal solution for your specific application. It is important to precisely assess your needs.Do I need the heat every day or just occasionally?What time of day do I need the heat?How long do I need the heat?What output does the heater have to have? How many devices do I need?Do I get a cheap off-peak electricity tariff?How will electricity prices develop in the future?Can I integrate a solar system?Do other types of heating (wood storage stove, heat pump, gas boiler) make more economic sense for my needs?Would alternatives be feasible at all? Would there be a gas connection? Does the house have the requirements for an oven? connectionDepending on the size, the connected load of a storage heater can be 7kW or even higher. For such a device, you usually need a 400V three-phase connection with appropriate circuit protection.Here in the shop you can get devices from various manufacturers such as AEG, Glen, Vaillant and Stiebel Eltron. All devices offer high quality and different storage capacities. So you are sure to find the right model for your needs.  Catalogue content:In this eibabo® catalogue Residential heating > Storage heater you will find items from the following product groups:Item overview:DehumidifierElectric heatingElectric storage heaterHeat accumulatorNight storageNight storage heatingStorage heaterfrom the following manufacturers:Manufacturer overview catalogue Heat accumulator:EHT AEGGlenStiebel EltronVaillant
Finned tube heater - Although your shed or garage cannot be heated, do you want to work there during the winter? Or maybe you have a greenhouse in which you want to store your sensitive plants frost-free during the cold season? Then a finned tube heater is an interesting investment for you. You may have seen such radiators at your local garden center or in your car repair shop. Finned tube heaters are particularly stable and can be easily connected to the house installation. Dirt and moisture cannot harm them. Even jets of water and even short-term submersion are no problem for the models with protection class IP67. With mounting feet and a manual temperature setting, both installation and operation are a breeze. Order your finned tube heater quickly, securely and conveniently in the eibabo® online shop.What are finned tube heaters?Finned tube heaters are electrically operated heaters designed for industrial use. Due to the simple design and high reliability, these are particularly suitable for all heating applications up to an ambient temperature of 60 °C. As a rule, the devices have a self-contained design and are therefore also suitable for damp rooms. This makes finned tube heaters very flexible in use. All you need is a power connection designed for the power of the respective device. NoticeIf a permanent connection to the power supply is required for commissioning, we recommend installation by an experienced electrician. Depending on the model, plug assembly is possible or a permanent connection is necessary.How are finned tube heaters constructed?The radiators are typically made from a stainless steel tube on which steel ribs are spirally attached. These serve to enlarge the surface and thus enable better heat dissipation. The heating insert in the tube is usually made of technical ceramics. It includes a glow coil. The connection and control unit are built into a plastic housing. A tight cable gland is provided for the connection. The power and thus the heat output can be infinitely adjusted via a rotatable controller.buying tipWhen buying, pay attention to the surface temperature. We differentiate between devices with high and low surface temperatures. This results in differences in the area of application.In the case of high surface temperatures, the stoves are not suitable for rooms with combustible materials or where there is a risk of contact. Special equipment is available for potentially explosive areas. With some models it is possible to insert a second cable gland in the housing. This enables connection to a room thermostat. Some devices are already equipped with an integrated thermostat. A control lamp often provides information about whether the device is switched on or off.Where are finned heaters used?The devices are designed for industrial or commercial use and are used as frost protection in machine rooms, pumping stations, elevator shafts, greenhouses and other environments without their own heating system. Ribbed heaters also serve as heating in waiting rooms, crane cabs, site trailers, workshops, service areas and technical drying rooms. Ribbed radiators can also be interesting alternatives in the private sphere. For example, think of:a garage in which you can carry out repairs or pursue your hobby even in the cold seasonan outbuilding in which you protect your potted plants from frost in wintera barn for small animals, in which a certain minimum temperature must always prevail Image: Kraemer & Kraus RRH TR 1000 finned tube heating furnaceWhat are the prerequisites for the installation of finned radiators?Ribbed heaters require a power connection. The standard voltage is 230 volts AC. Depending on the model, the devices have an output of between 200 W and 6000 W. A three-phase 40 volt power connection is required for high-performance devices. Especially for the more powerful heaters, it is not recommended to connect the devices to a classic socket. Please note the capacity of the circuit and which other devices usually use this circuit. A power supply designed for the radiator and separately fused is to be preferred in any case. The ribbed radiators also have mounting feet for attachment to the wall or floor. The subsurface must be sufficiently stable to ensure safe installation. Please also make sure that there are no obstacles around the device. These lead to heat accumulation, impede the even distribution of the heated air and pose a potential fire hazard.Are there special equipment or accessories for ribbed heaters?So-called Ex space heaters are available in the eibabo® shop for special environments. These are used to heat the room air in explosion-prone workplaces. A touch guard made of perforated sheet metal can be a useful accessory. You mount this with a certain distance around the radiator and thus prevent accidental contact of the skin or flammable substances with the possibly hot slats.How should finned tube heaters be maintained?Ribbed heaters are suitable for use in different environments and are largely wear-free and maintenance-free. However, it can happen that dust and dirt are deposited on the devices. This can lead to reduced performance. In such cases, it is advisable to clean the spaces between the slats with compressed air or a vacuum cleaner. This will ensure the necessary air circulation again. If damage such as holes or cracks occur on the housing through everyday work, safety-relevant properties are no longer given. In such cases, we recommend an exchange. TIPDue to the design for commercial and industrial use, finned tube heaters are robust, maintenance-free, protected against corrosion and usually absolutely dust-tight and waterproof. A large selection of robust and durable finned tube heaters is available in the eibabo® technology store. We only offer the best brand quality from the well-known manufacturers Etherma, Kraemer & Kraus and Schultze. These have been tried and tested in our customers' systems for years and are characterized by their particular reliability. Most devices are available here in the shop at short notice and can be shipped worldwide on request. Use one of over 20 secure payment methods.  Catalogue content:In this eibabo® catalogue Residential heating > Finned-tube heater you will find items from the following product groups:Item overview:AntifreezeDirect heatingElectric heaterElectric heatingFinned tubeFinned tube heaterFinned tube heatingFinned tube heating furnaceFrost WardenRadiatorRib furnaceRib heaterSpace heaterSpace heatingStainless steel radiatorTubular heating furnaceWall convectorfrom the following manufacturers:Manufacturer overview catalogue Finned tube heater:EthermaKraemer & KrausSchultze
Plug-in terminal - Would you like to connect solid or stranded conductors quickly and safely? This is not a problem with the plug-in terminals from the eibabo® technology store. Choose from numerous different versions for a wide range of applications. Best prices, a wide range of additional information and illustrations, fast availability and worldwide shipping characterize our shop. In addition to the company Wago, other well-known manufacturers offer high-quality plug-in terminals. The eibabo® shop stocks plug-in terminals from the brands ABN, Barthelme, Eaton, Finder, Hager, Hellermann Tyton, Kleinhuis, OBO, Phoenix, PROTEC.class, Spelsberg and Striebel & John.You will find a large selection of clamps for different requirements and areas of application. There is a large number of terminals, which are designed in different designs depending on the wire type and cross-section and thus perfectly match the respective area of application. These include bus coupler terminals, compact connection terminals, box terminals, terminal strips and connection terminals. Depending on the design and area of application, the plug-in terminals have a certain number of slots. Some variants of clamps are transparent. This will help you see if the wire is properly attached.Image: WAGO 243-208 screwless connection terminalWhat are plug-in terminals?Plug-in terminals is the name for numerous different spring-loaded terminals, spring-loaded terminals, connecting terminals or screw terminals. These are used in electrical engineering to connect wires, cores and lines. Clamping or screwing an electrical conductor offers a safe and maintenance-free connection. Already knew?Push-in terminal does not mean that the wire is fixed by inserting it into the terminal. There are also push-in terminals where the wire is held in place with a screw. The plug-in terminal is also often referred to as a Wago terminal. The clamps were given this designation after the manufacturer Wago. He introduced the spring clamp technology in the early 1950s and has continuously improved it since then. Since the 1970s, the product has revolutionized electrical installation, as screw connections can now be dispensed with in many areas. However, this does not mean that clamps with screw fastening are no longer used. In this catalog you will also find clamps with screw connections, also known as luster clamps or Euroclamps.Where are plug-in terminals used?Push-in terminals are one of the most popular methods of making electrical connections. Solid or stranded conductors can be connected quickly and safely with the help of plug-in terminals. In our shop we offer different types of clamps, which are suitable for different areas of application. For example, there are terminals for use in the following branches of industry:electrical industryautomotive industrytelecommunicationscommunications engineeringPlant construction and mechanical engineeringcomputer engineeringmedical technology In the private sphere, plug-in terminals are mainly used to clamp rigid wires in junction boxes, in control cabinets, in domestic installations or to connect lights.What should I know about plug-in terminals before buying?Electrical installations and electronic circuits almost always have to be connected to external devices, power sources, inputs or outputs. These connections are made using plug-in terminals. These are available in many different types, shapes, sizes and denominations. Choosing unsuitable plug-in terminals can cause some difficulties. These can be simple space problems within a terminal box or have serious consequences such as fires. Therefore, we would like to introduce you to some types of plug-in terminals. Although there are many other variants, we limit ourselves to the most well-known products, which can be found in almost every sector. The areas of application range from classic household wiring to automated applications.Push-in terminalsSo-called push-in terminals use small spring-loaded contact levers. The highlight is that the electrical conductor can be pushed into the terminal without tools. However, it is not possible to pull it out just as easily. The wire is effectively held in place. Compared to the screw clamp, this fixing method offers the advantage that the wire cannot be damaged during installation. If you want to release a pinched wire, pull on the wire while making an alternating twisting motion. In this way, you release the plug connection without damaging the plug-in terminal, the spring mechanism or the electrical conductor.Please noteNot all push-in terminals are designed for multiple use. Some clamp springs hold the wire 'forever'. If you want flexibility in your installation for modifications or repairs, choose push-in clamps with a lever-release lever. This releases the wire again when actuated.When choosing the right terminal, pay attention to the appropriate cable cross-section. This should always correspond to the permitted nominal cross-section of the terminal. You will typically find this information on the packaging. An electrical conductor that is too thin cannot be securely clamped and held.terminal blocks and terminal blocksTerminal blocks accept a single wire and connect it to a circuit or other system. Terminal blocks are available in a variety of sizes, ratings and shapes and are available in rows. Each terminal in a row is only fitted with one wire. This variant of the plug-in terminal is useful for connections that are subject to regular maintenance, repair or modification. Terminal blocks always have a mechanically strong body made of plastic or another insulating material. In addition to the spring attachment, versions with a locking lever are also available. The wire is inserted and a clamping lever holds the electrical conductor in place. Another common connection method is to use a screw. TIP:Great care must be taken when tightening the screw. Overtightening the inserted cable can damage the electrical conductor. An unreliable or potentially dangerous connection would result. In some variants, the screw presses the electrical conductor against a metal body. On other screw-connection terminal blocks, the screw presses onto a flat metal head. This in turn presses the wire against a metal insert.Pluggable terminalsPluggable terminals have a cable entry to allow the wire to be connected. On the other hand, these terminals have a plug output and thus offer a pluggable connection for further installation. This type of plug-in terminal is useful when the connection must be frequently disconnected for maintenance or inspection. These contacts are usually screwed.barrier clampsBarrier clamps also use screws as the mechanism for holding the electrical conductors. Barrier clamps often have more than one connection point for multiple cables or wires. These connection points are isolated from each other (barrier). Depending on the model, barrier terminals have small covers or housings. These protect the cabling additionally. Barrier clamps find application in house wiring and other high voltage connections where arcing or potential short circuits must be avoided.  Catalogue content:In this eibabo® catalogue Installation, isolation and connection material > Screw less terminal you will find items from the following product groups:Item overview:Apartment distributorCable connectionCan clampClamp adapterClamping railComplete cabinetConnection clampConnection clampsConnectorConnector pinsCounter distributionCounter systemDirect measurementEngineering centerFuse boxFuse distributorJunction box clampJunction box terminalMeter boxNeutral terminal barOverhead line clampPower boxRelaxation gripSix-wire terminalSmall distributorsSpare PartsTerminal blockTwo-wire terminalfrom the following manufacturers:Manufacturer overview catalogue Plug-in terminal:ABNBarthelmeEatonFinderHagerKleinhuisOBOPhoenixSpelsbergStriebel & JohnWAGO
Heating tape - Has it ever happened to you that a water-carrying pipe in the garden or on the property froze or was damaged as a result on particularly cold days in winter? Or do you have such a line and want to prevent this scenario? Then a high-quality and inexpensive heating tape from our eibabo online shop is definitely an option for you. A heating tape or a heating cable is an electrically operated resistance heater, which is also referred to as pipe trace heating or line trace heating. Such heating elements are in the form of flexible tapes, are available in different lengths and can be wrapped around liquid-carrying lines, fittings and containers. By being supplied with electricity, these heating elements give off heat and ensure that the temperature of the liquid inside these systems does not drop below a certain level. Please ensure correct installation so that the heat is distributed evenly.Catalogue content:In this eibabo® catalogue Residential heating > Heating cable you will find items from the following product groups:Item overview:AntifreezeAntifreeze heaterAntifreeze heating tapeBox gutter heatingCableCondensate drainDirect heatingDownpipe heatingFlowing screedFrost protectionGutter heatingHeating cableHeating conductorHeating lineHeating loopHeating tapeHeating tape for pipe trace heatingHot water temperature maintenance heating tapeOil tank heatingOpen spaceOutdoor heating tapePartial storage heatingPipelinePipeline heating tapeReady madeRoof heatingTemperature maintenanceTrace heating tapefrom the following manufacturers:Manufacturer overview catalogue Heating tape:3MDeviEHT AEGEthermaGlen DimplexnVent ThermalStiebel Eltron
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
Installation contactor mdrc - Do you want to know why an installation contactor hums? Find out here. Or would you like to activate and stop large consumers using a remote switch? Then you need a high-quality and inexpensive installation contactor from the eibabo® technology store. With us you will find a large selection of high-quality installation contactors from many well-known brands. We carry installation contactors (REG) and accessories from the following manufacturers: Schneider Electric, Eberle Controls, Siemens, Eltako, ABB Stotz S&J,Finder, Eaton (Moeller) and Legrand (BT).All offered installation contactors are characterized by:excellent processing qualitylittle to no hum during operationquiet switching operationsvery good industrial qualityhigh switching capacitylong lifetime What is an installation contactor in electrical engineering?An installation contactor is an electrical device that is primarily used to protect electrical systems and devices from overload and short circuits. Installation contactors are mainly used in building installation for automation. In many cases, this involves the automatic switching on and off of electrical devices and systems. The installation contactor assumes the task of a remote switch, which switches a larger current with a lower current. In the area of electrical distribution installation and control panel installation, installation contactors are used, among other things, as series installation devices (REG) for mounting on DIN rails or support rails (35 mm) according to DIN EN 50022.What are the typical areas of application of an installation contactor?An installation contactor can be used, for example, to switch heating systems on and off automatically to protect them from overheating. Other automation processes include switching and controlling three-phase motors, lighting systems, ventilation, pumps, cable pulls, gates, shading systems and other building automation drives.How does an installation contactor work?Installation contactors usually work with operating voltages of 230V or 440V and with actuating voltages of 230V or 24V. There are also versions where both voltages are 230V. In addition to the housing, an installation contactor consists of an excitation coil, coil core, metal armature, switching contacts and armature return spring. There can be multiple of these essential functional elements in the installation contactor. The device consists of a control circuit and a load circuit. If current flows through the control circuit, the load circuit closes and also carries current. In the idle state (OFF), the switching contacts do not touch. TIP:If a contactor hums, this is not yet a cause for concern. This is due to dust and dirt or the rivets in the coil core loosening over time. Incipient wear on the short-circuit ring can also be a reason. The task of the excitation coil is to generate a strong magnetic field when current flows. The coil core serves as a carrier for the coil and strengthens its magnetic field. This is the only way to overcome the force of the return spring. The magnetic effect becomes large enough to move the armature. As soon as the armature is attracted, the switch contacts touch and the contactor is active (ON). The return spring returns the armature to its original position when the coil's magnetic field disappears. The contacts loosen and the device goes back to sleep mode. This means that the device only stops by itself in the OFF position. The control circuit of the coil and the load circuit of the switch contacts are isolated from each other. The armature creates the connection between the circuits and enables the consumers to be switched on the load circuit. A contactor is therefore an electromechanical switch designed for high power, which is similar to a relay in terms of its function.Can several contactors be combined?You can combine multiple contactors to meet specific installation and automation needs. You have even more diverse control options if you use contactor relays to control the installation contactor or to display an operating status. Contactors of various combinations with a maximum of four contacts are often used (e.g. two NO contacts / two NC contacts or three NO contacts / one NC contact).Contacts in an installation contactorAn installation contactor is usually provided with different types of contacts. A distinction is made between main contacts and auxiliary contacts.Good to knowThe contacts of a contactor are divided into working contact (closer), break contact (opener) and changeover contact (changeover contact). The changeover contact is a combination of opener and closer. Opener and closer can also be combined in one installation contactor.The main contacts described in the function are used for the power to be switched. This makes it possible to connect large consumers. The auxiliary contacts are designed as signaling lines for contactor control and signal display.What is an auxiliary contactor?You have a wide range of control options when using contactor relays. Power contactors have a significantly higher switching capacity than contactor relays and switch load circuits of large consumers. Auxiliary contactors switch control voltages for small loads and are designed for small consumers and displays. You can use it to implement logical operations and control power contactors.Image: Schneider Electric A9C20844 installation contactorWhat is the difference between a contactor and a relay?Relays serve primarily as circuit breakers and control switches in devices and are important components in many control processes. There are different types of relays that perform different functions. The most common types include protection relays, monitoring relays, auxiliary relays and reclosing relays. Relays open and close circuits or contacts by responding to electrical quantities such as current or voltage. A contactor is an electromechanically controlled circuit switch. Here a circuit with a low power level is switching a circuit with a higher power level. A contactor is designed for operation with normally open contacts. If there is no power on the device, there is no switching connection. Relays can usually open and close. Another difference lies in the performance of the respective device. Contactors are used in control circuits with higher electrical voltages and higher currents. This results in further safety-relevant differences. Contactors work with tie rods and return springs, relays with hinged armatures or rotary armatures. Sparking caused by the separation of live contacts is reduced in the contactor with arc suppression. As a rule, relays switch much faster than contactors, are lighter, smaller and consume less energy. Due to the more complex structure, contactors are more expensive than relays.  Catalogue content:In this eibabo® catalogue Devices for distribution board- / surface mounting > Installation contactor for distribution board you will find items from the following product groups:Item overview:AC contactorBuilt-in contactorBuilt-in distributor deviceChangeover contactorContactor moduleControl contactorDC contactorHeater contactorHigh power contactorInstallation contactorInstallation contactorsInstallation relayLighting contactorLoad contactorMagnetic switchModular installation devicePower contactorSeries built-in contactorSmall contactorUniversal voltage contactorfrom the following manufacturers:Manufacturer overview catalogue Installation contactor mdrc:ABBDoepkeEatonEberleEltakoFinderHagerLegrand BticinoSchneider ElectricSiemens

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