Help and information / Main fuse

Before choosing the size of the main fuse (rated current), we recommend that you carefully consider how big main fuse you really need. Selecting a fuse that is too small may result in the inability to use all electrical equipment at the same time. It is also not wise to choose a main fuse that is significantly larger than the need of consumption, as this will result in a higher connection fee and will require an unnecessarily high amp to pay for a fixed price package.

To select the size of the main fuse:

When renovating an old house, calculations related to the size of the main fuse must be made by the electrical designer. This service is provided by licensed electrical companies.

In an apartment building, each apartment has its own protective device (circuit breaker or fuse). If the circuit breaker of your apartment often turns off, you will need to contact the owner or owner of the house, who will evaluate the situation and can contact us to increase the main fuse of the apartment building. You can also ask our customer service representative for advice.

6, 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160, 180, 200, 225, 250, 280, 315, 350, 400, 450, 500, 560, 600, 630, 700, 750, 800, 900, 1000, 1125, 1250, 1280, 1440, 1600, 1800, 2000, 2250, 2500 A

The minimum fuse size for use with modern (domestic) machines is typically 16 amps.

If you live in a private home, you will see the size of main fuse for your consumption point in our self-service on online contracts page.

As an apartment building customer, you will see the size of the shared main fuse in the same place. If you need information on the size of the main fuse in the entire apartment building, you should contact the house manager or the board of the apartment association. Information about the size of the main fuse can also be requested from the customer telephone number 777 1545 or by e-mail  [email protected].

If your main point of consumption main fuse is less than 63 A (inclusive), please report your wish in self-service or via e-mail [email protected]. Starting from 80 A main fuse, connection application» to reduce amps needs to be filled.

The amount of charge depends on the size of the desired main fuse and the distance from the connection point to the nearest substation.  See more »

Unfortunately, it is not possible to resell the main fuse current. The main fuse installed at the point of consumption belongs to the network operator. Under the network contract, you have the right to use the network services up to the amount of the main fuse specified in the contract. The connection fee covers the investment in the electricity network made for the purpose of using the network services at the level of the main fuse at the point of consumption.