Construction power distributor comparison test: Which product is the best in 2023

What is a site power distributor and what is it needed for?

A site power distributor is a mobile power distribution unit that is used on construction sites or other temporary locations to ensure a safe and reliable power supply. The construction site power distributor is connected to an external power source and distributes the power via various sockets on the construction site. It is usually equipped with several CEE sockets and residual current circuit breakers and has a high degree of protection to ensure a reliable power supply even in adverse weather conditions.

What types of site power distributors are there?

Site power distributors are available in different versions with different properties and performance characteristics. They differ in terms of amperage, the number of sockets, the degree of protection and the integrated safety devices. Examples of designs are site power distributors with 16A, 32A or 63A, with different IP protection classes such as IP44 or IP54, with integrated residual current circuit breakers or as mobile site power distributor boxes or site distributors.

 Types of site power distributors

1. Site power distributors with different amperages (e.g. 16A, 32A, 63A)
2. Site power distributors with different IP protection classes (e.g. IP44, IP54)
3. Site power distributor with integrated FI circuit breaker

Rent or buy site power distributors? Advantages and disadvantages in comparison

When buying or renting site power distributors, there are various advantages and disadvantages to consider. If you want to buy a site power distributor, you have the advantage that you can use the device for a long time and do not have to spend any more money on rent. However, the purchase is associated with higher costs. When renting site power distributors, on the other hand, you are more flexible and can select the right device according to your needs. However, the costs can be higher with longer periods of use.

How much electricity can construction site distributors supply?

The amperage that a site power distributor can deliver depends on the design of the device. There are site power distributors with 16A, 32A or 63A, which can deliver a maximum output of 3,6 kW, 7,2 kW or 14,4 kW depending on the version. The power depends on the number of sockets that are connected to the site power distributor.

Is it also possible to rent site power distributors instead of buying them?

Yes, site power distributors can usually also be rented. This has the advantage that you can react flexibly to different needs and requirements and do not have to invest in expensive equipment. When renting a site power distributor, however, you should make sure that you select a device that meets your individual requirements and meets the necessary safety guidelines.

What are the advantages of buying a site power distributor?

Buying a site power distributor has the advantage that you can use the device for a long time and do not have to rely on the availability of rental devices. In addition, you can save money in the long term if you use it regularly because you no longer have to pay rent. When buying, however, you should make sure that you choose a device that meets your individual requirements and meets the necessary safety guidelines.

Can you buy used site power distributors?

Yes, you can buy used site power distributors. There are various providers who sell used site power distributors, for example on online platforms or in specialist shops. However, when buying used construction site power distributors, one should be particularly careful and examine the device closely to ensure that it meets the necessary safety standards. A thorough inspection and maintenance is advisable in order to identify and eliminate possible defects and defects at an early stage.

What do designations like 16A, 32A or 63A mean?

The designations 16A, 32A or 63A indicate the amperage that the site power distributor can deliver. The abbreviation "A" stands for ampere and is the unit of measurement for electric current. Site power distributors with 16A deliver a maximum power of 3,6 kW, while site power distributors with 32A can deliver a maximum power of 7,2 kW and site power distributors with 63A can deliver a maximum power of 14,4 kW.

What does protection class IP44 mean for site power distributors?

The degree of protection IP44 indicates the extent to which the construction site distributor is protected against the ingress of foreign bodies and water. The first digit “4” stands for protection against foreign objects with a diameter of 1 mm or more, while the second digit “4” stands for protection against splashing water from all directions. A site power distributor with protection class IP44 is therefore protected against rain and splash water and can be used outdoors without hesitation.

What does the abbreviation CEE mean for site power distributors?

CEE is the abbreviation for "Coupler, Enlarged, Earthed" and refers to a standardized plug that is widely used on construction sites and in industry. CEE plugs have a round, robust construction and are available in different versions, depending on the amperage and the number of poles. Site power distributors are usually equipped with CEE sockets to ensure a reliable power supply for construction machinery and other electrical devices.

Which safety guidelines must be observed when using site power distributors?

When using site power distributors, various safety guidelines must be observed to ensure safe operation. This includes, among other things, the use of residual current circuit breakers, the use of suitable cables and plug connections, professional installation of the device and regular maintenance and testing of the device. In addition, it is important to only have the devices installed and operated by trained personnel in order to avoid possible dangers to people and material.

Alternatives to site power distributors

• mobile generators
• stationary power distributors
• Battery– and solar systems
• emergency power systems
• emergency generators

You should consider this before buying your site power distributor

• Think about the amperage you need to meet the needs of your construction site or event.
• Pay attention to the protection class of the site power distributor, especially if it is used outdoors.
• Check whether the site power distributor has sufficient sockets and safety devices.
• Find out about the different manufacturers and brands to find the right model for you.
• Compare different offers and prices to get good value for money.
• Also consider the possibility of renting a site power distributor if you only need it for a limited period of time.
• Pay attention to the quality and workmanship of the site power distributor to ensure a long service life.
• Also consider the cost of additional accessories, such as extension cords or Adapter.
• Observe the safety guidelines when installing and operating the construction site distributor.
• Keep in mind that a professional electrician is responsible for the installation and maintenance of the construction site distribution board.

Why it is worth buying a site power distributor

A site power distributor is an important investment for construction sites, events or other occasions where a mobile power supply is required. A high-quality site power distributor not only offers a reliable power supply, but also sufficient sockets, safety devices and protection against the effects of the weather. You can save time and money by purchasing a site power distributor, since you are not dependent on expensive rental equipment and always have the power supply in your own hands. You can also choose between different models, manufacturers and features when making a purchase in order to find the device that suits your needs.

Where can you buy site power distributors? 

Site power distributors are available in many hardware stores, electrical wholesalers and online shops. Well-known online shops include Amazon, Conrad, Westfalia and OBI.

Well-known manufacturers and brands for site power distributors

• as-Schwabe
• Brennenstuhl
• H Tronic
• MENNEKES
• PCE
• REV knights
• Weaver

Best-selling models among the site power distributor products

• as-Schwabe 60488 CEE adapter cable
• as-Schwabe 60476 CEE adapter cable
• Brennenstuhl BSV 4/32
• Brennenstuhl BSV 4/63
• PCE 917N-5 5-pin site power distributor
• Weber EH 44, 1x CEE 32A 400V

How site power distributors are tested

In order to test site power distributors, various aspects should be checked. These include, among other things, the performance, the number and type of sockets, the degree of protection, the processing quality and the safety devices. To test the performance, the site power distributor can be connected to various loads to determine the load capacity. The number and type of sockets can be checked by plugging in various devices to see if they are working properly. The degree of protection can be tested with an appropriate test device to ensure that the site power distributor is adequately protected even under adverse weather conditions. Build quality can be verified by visual inspection and an examination of the mechanical components. The safety devices, such as GFCI or overload protection, should also be tested to ensure they will function properly in an emergency.

Test results for site power distributors

There are various trade magazines and online portals that regularly test and evaluate site power distributors. These include the magazines “Heimwerker Praxis”, “Handwerk Magazin” and “Baustoffmarkt”. The test results are usually published online or in the respective print edition. Publication date may vary by magazine.

No test of site power distributors could be found on the Stiftung Warentest website.

Conclusion on the topic of site power distributors

A site power distributor is an important tool for professional use on construction sites or at events to ensure a mobile power supply. There are different models with different performance levels, connections and safety devices. In order to find the right device for your own needs, it is advisable to compare the different manufacturers and models and to consider customer ratings, tests and recommendations.

When buying a site power distributor, you should pay attention to a high degree of protection, sufficient sockets and safety devices. Good processing quality and a long service life are also important. A good purchase recommendation can be given on the basis of test results, comparisons and recommendations.

There are various ways to purchase a site power distributor. A purchase is recommended if you want to use the device for a long time. For limited use, renting can also be considered. Discounts, coupons and discount codes can provide a cheaper price when buying or renting.

In order to ensure a high level of safety, the safety guidelines should be observed when operating the construction site distributor. A professional electrician should also be hired for installation and maintenance.

In summary, a site power distributor is an indispensable tool for professional use on construction sites or at events. A comparison and a purchase recommendation based on tests and customer ratings can help in selecting the right device. A purchase or a rental can be made depending on individual needs and the period of use. What is important is a high degree of protection, sufficient sockets and safety devices, good workmanship and compliance with safety guidelines.