Installation of an 11 kW EV charging station

Installing an 11 kW charging station is one of the most practical and balanced solutions for electric vehicle owners who have a three-phase power supply and want convenient, safe, and reliable charging at home, in the garage, in front of the house, in the office, or at a small business location. This power level is often perfectly sufficient for daily use and in many cases is more suitable than 22 kW, especially when the car cannot accept more than 11 kW with AC charging anyway.

At ELSPOT, we view the installation of a charging station not as a simple device placement on the wall, but as a comprehensive electrical solution. A charging station is a powerful consumer that can operate continuously, and therefore, it must be connected correctly, with appropriate cable, proper protections, stable power supply, and professional execution. A good installation is not only visible by the beautiful station on the wall but by how the entire system is designed – from the electrical panel to the charging device itself.

This page is designed to explain when an 11 kW charging station is suitable, what is needed for its installation, why an inspection is important, what protections should be considered, and why professional execution is of great importance for the safety and long-term operation of the system.


What is an 11 kW charging station


An 11 kW charging station is an AC charging station that typically operates on a three-phase power supply. This means that instead of using only one phase, as with many single-phase solutions, it uses all three phases of the electrical installation. This distributes the load more evenly, and charging is faster compared to a regular outlet or a lower-power single-phase station.

11 kW is a very popular standard for home and business AC charging. The reason is that many electric vehicles in Europe support exactly this maximum AC power. This means that if your car accepts a maximum of 11 kW AC, it will not charge faster on a 22 kW station. In such a case, an 11 kW charging station can be perfectly sufficient and a more reasonable solution.

This power is suitable for people who want their car to charge calmly overnight or while it is parked. In daily use, an electric vehicle rarely charges from 0 to 100%. It usually tops up based on the kilometers driven during the day. That is why an 11 kW station often provides more than sufficient speed for home, office, or private parking.


Who is an 11 kW charging station suitable for


An 11 kW charging station is suitable for customers who have a three-phase power supply and are looking for a reliable solution for regular electric vehicle charging. This could be a homeowner, a customer with a garage, a person with a private parking space, a small business, an office, a car dealership, a hotel, a restaurant, or a location where the car remains parked for a longer period.

This solution is especially suitable when the car supports 11 kW AC charging. In such a case, the station and the car work optimally together. The customer does not pay unnecessarily for higher power that the car will not use, but at the same time receives significantly faster charging compared to a regular outlet or a weaker station.

An 11 kW station is also a good choice for business premises where cars stay for several hours. For example, at an office building, an employee can leave the car in the morning and pick it up charged after work. At a hotel, a guest can charge overnight. At a car dealership, the station can be used to prepare electric vehicles before handover to customers. At a restaurant or commercial establishment, it can be a convenience for visitors.

This power is balanced because it does not require as serious infrastructure as a DC charging station and is often easier to implement than a 22 kW solution, yet it offers sufficiently good charging for many electric vehicles.


11 kW or 22 kW – which is the better solution


Many customers ask whether to choose an 11 kW or 22 kW charging station. At first glance, it seems logical that the more powerful station would be the better choice. In reality, however, this is not always the case. With AC charging, the car has an onboard charger that determines how much power it can accept. If the car supports a maximum of 11 kW AC, it will not charge at 22 kW, even if it is connected to a 22 kW station.

This is very important to understand. The station can offer up to 22 kW, but the car will only use as much as its system allows. Therefore, for many electric vehicles, 11 kW is a perfectly sufficient power. In such cases, a 22 kW station might only make sense if you want future flexibility, if different cars will be charging at the site, or if the station is intended for business use.

For home installation, 11 kW is often a more practical solution. The load is more moderate, the system is fast enough, and the installation can be easier and more suitable given the existing electrical setup. For business locations, 22 kW might be more appropriate if it will be used by different cars or if you want higher power for future needs.

At ELSPOT, we do not recommend a station based solely on power. First, we look at the car, the electrical supply, the way it will be used, the installation location, and the client's future plans. This way, the solution is truly useful, not just more expensive.


Why 11 kW is a very good choice for three-phase current


If you have a three-phase power supply, an 11 kW charging station is one of the best solutions for home charging. With a three-phase system, the load is distributed among the phases, making charging more stable and suitable for long-term use. Instead of one phase being heavily loaded, all three phases work together.

This is important because the charging station doesn't just work for a few minutes. It can charge the car for hours. With such continuous load, proper current distribution is of great importance. A three-phase 11 kW station is a balanced option that provides good speed and stable operation.

For houses with three-phase current, 11 kW is often the ideal power. The car can be conveniently charged overnight without excessively heavy loading of the installation. Of course, the main power supply, available capacity, and other consumers on the property must always be checked. That is why an inspection is mandatory.

What is needed for the installation of an 11 kW charging station


For the installation of an 11 kW charging station, a three-phase power supply, appropriate cable, an electrical panel or free space in the existing panel, an automatic circuit breaker, residual current device, proper grounding, and a suitable location for the station's installation are usually required. Depending on the specific site, additional protections, a separate panel, surge protection, or a voltage control relay may also be necessary.

The most important thing is that the station should not be connected to a random point in the installation. The charging station must have a separate and properly sized power supply. The cable must be appropriate for the power, the length of the run, and the installation conditions. If the run is longer, a larger cable cross-section may be necessary to avoid voltage drop and overheating.

It is also important that the protections are correctly selected. The automatic circuit breaker must protect the cable and the line. The residual current device is important for safety. Some stations have built-in DC leakage protection, but this should be checked according to the specific model. If there is no such protection, an appropriate external solution must be chosen.

Surge protection can be useful for sites at risk of network voltage surges. This is especially important for houses, outdoor installations, and sites with sensitive electronics. A high and low voltage relay can also be a good idea in areas with unstable power supply.

At ELSPOT, every installation begins with a site assessment. This avoids errors and ensures that the station will operate reliably.


Why an inspection is mandatory before installation


The inspection is one of the most important parts of the process. Without an inspection, it is impossible to determine the exact price and the correct technical solution. Every site is different. For one client, the panel is close to the installation location and there is enough free space. For another client, the run is long, the panel is old, or there are no free positions. For a third, a new panel, additional protection, or a change in the power supply might be necessary.

During the inspection, the electrical panel, available power, possible cable routing, the station's installation location, environmental conditions, grounding, and necessary protections are checked. After that, a realistic offer can be prepared.

This is why ELSPOT determines the installation price after an inspection. This way, the client receives accurate information and avoids unpleasant surprises. The installation of a charging station should not be estimated solely from a photo or over the phone, because the actual conditions can be very different.

The inspection also helps to choose the best location for the station. Sometimes the client has an idea where it should be installed, but after checking, it turns out that another location is more convenient, safer, or easier to implement. Good consultation saves costs and problems in the future.


The importance of proper protections


Protections for a charging station are not an extra feature, but a mandatory part of a safe solution. A charging station operates with an electric vehicle, high power, and continuous load. Therefore, the system must be protected from overload, current leakage, short circuits, and other electrical problems.

The automatic circuit breaker protects the cable and line from overload and short circuits. The residual current device protects against current leaks. Some stations have built-in DC leakage protection, but this should be checked depending on the specific model. If there is no such protection, an appropriate external solution must be chosen.

Surge protection can be useful for sites that are at risk of voltage surges in the network. This is especially important for houses, outdoor installations, and sites with sensitive electronics. A high and low voltage relay can also be a good idea in areas with unstable power supply.

Proper grounding is also very important. The charging station must be connected to a reliable protective system. If the grounding is poor or missing, it can create problems and risks. Therefore, this part is paid attention to during inspection and installation.


Why installation should not be compromised


When installing a charging station, one should not look for the fastest and cheapest connection method. Compromises in the electrical part can lead to serious problems. A charging station is not a lamp or a small appliance. It is a powerful consumer that can operate for hours. If the cable is unsuitable, if the connections are weak, or if the protections are not correct, overheating, tripping, or damage can occur.

Professional installation is an investment in peace of mind. When everything is done correctly, the client uses the station without worries. They plug in the car, monitor the charging, and know that the system is safely installed.

ELSPOT does not recommend connecting a charging station to an old outlet, an unprepared panel, or an unknown line. If necessary, we build a separate power supply, a new panel, or additional protections. The goal is for the station to operate stably and safely in the long term.


Actual installation of an 11 kW charging station by ELSPOT

During an actual installation of an 11 kW charging station, the most important thing is that the system is tailored to the specific site. The photo from the installation can show the end result – a mounted station, neat execution, properly routed power supply, and a complete solution for the client.

Such photos are very important because they demonstrate the real work of the company. The client sees that ELSPOT does not only offer products but performs actual installations. This builds trust and shows a professional approach. With every installation, we pay attention not only to the appearance but also to electrical safety, protections, and ease of use.

For an 11 kW station, it is important to check whether the car supports this power, whether the site has an appropriate three-phase power supply, and whether the cable routing is correctly executed. After installation, the station must be tested and configured according to the conditions.

If the station is a smart model, an application, internet connection, RFID access, or other functions can be set up. This provides additional convenience to the client and allows for better control over charging.


Smart 11 kW charging station


Many clients choose a smart charging station because they want more control and convenience. A smart station can be managed via a mobile application, display charging history, monitor consumption, allow RFID access, and offer various settings.

For the home client, this means they can monitor when the car is charging and how much energy it uses. For the business client, smart functions are even more useful because they allow access control and better user management. If the station is in an office, hotel, parking lot, or business location, RFID access and an internet connection can be very important.

ELSPOT works with modern charging solutions through its partnership with ELNEXUS. This allows for the selection of stations suitable for home and business use, including models with applications, RFID, internet, and the possibility of future management.


11 kW charging station for home


For home use, an 11 kW station is very convenient if there is a three-phase power supply. It allows the car to charge quickly and conveniently overnight. This is ideal for people who use an electric vehicle every day and want to start their morning with enough charge.

Home installation must be clean and practical. The station should be placed in a convenient location, the cable should easily reach the car, and the panel and protections should be properly executed. If the station is externally mounted, atmospheric conditions and mechanical protection must be considered.

A well-installed home charging station changes the way you use an electric vehicle. Instead of thinking about where to charge, charging becomes part of everyday life. You park, plug in, and the car is ready for the next day.


11 kW charging station for office and business


An 11 kW charging station is also suitable for an office or small business. If employees or clients leave their cars for several hours, this power is perfectly practical. In an office environment, the car can charge during the workday. In a hotel, it can charge overnight. In a car dealership, it can be used to prepare cars. In a small parking lot, it can be a convenient service for visitors.

For business locations, it is important to think not only about one station but also about future development. If today there is a need for one charging point, in a year there might be a need for two or three. It is good to plan the electrical solution in a way that allows for expansion if the site requires it.

ELSPOT can offer a solution tailored to the specific business – AC station, smart management, RFID access, user control, and if necessary, connection to a charging network or paid charging.


How long does an electric car charge on 11 kW


Charging time depends on battery capacity, current charge level, and the car's capabilities. In real life, a car rarely charges from 0 to 100%. It usually tops up based on daily mileage. Therefore, 11 kW is often perfectly sufficient power for daily use.

If the car is parked overnight, there is enough time to charge. At an office, there is also enough time within the workday. For business locations where clients stay for a shorter period, it may be discussed whether 11 kW is sufficient or if higher power is needed.

It is important for the client to understand that the charging station does not always have to charge from an empty to a full battery. Most often, it keeps the car ready for daily use. This makes home and office charging very convenient.


How working with ELSPOT proceeds


Working with ELSPOT begins with a consultation. The client tells us what kind of car they have, where they want the station installed, if they have three-phase power, and how they will use the charging. We then discuss the possible options and recommend suitable power and station type.

Next is an on-site inspection. We check the electrical panel, power supply, cable route, installation location, and necessary protections. After the inspection, we prepare an offer based on the specific site. After approval, we deliver the station, perform the installation, set up the system, and hand it over to the client.

If needed, we explain how to use the app, RFID access, or station settings. We remain available after installation for service, maintenance, and future questions.


Why choose ELSPOT


ELSPOT offers sales, installation, and service of electric vehicle charging stations. Our approach is practical and professional. We don't offer a one-size-fits-all solution, but rather select a station and installation according to the specific vehicle, site, and client needs.

As a partner of ELNEXUS, we offer modern AC and DC charging solutions, including smart stations with an app, RFID access, and internet connectivity. We work with both private clients and business entities who want reliable charging infrastructure.

For us, safety, proper execution, and a satisfied client are paramount. A charging station must not only look good in a picture but also operate stably and reliably every day. That's why we pay attention to the electrical panel, cable, protections, grounding, settings, and the entire system.


Conclusion


Installing an 11 kW charging station is an excellent choice for many EV owners who have three-phase power and want convenient, safe, and efficient charging. This is a balanced power output, suitable for home, garage, office, and a number of business premises. In many cases, 11 kW is a perfectly sufficient solution, especially when the vehicle supports precisely this maximum AC power.


Proper installation is just as important as the station itself. It is necessary to conduct an inspection, select the correct cable, add the necessary protections, and implement the system professionally. Only then will the charging station operate safely and reliably in the long term.


If you are looking for an 11 kW charging station for an electric vehicle, ELSPOT can help you with consultation, selection of a suitable model, inspection, installation, and service.


ELSPOT – sales, installation, and service of electric vehicle charging stations.

Partner of ELNEXUS.

Solutions for home, office, business, hotels, car dealerships, and parking lots.

Address: Varna, Han Presiyan St. 3

Website: www.elspot.bg

Contact: 0890 488 808