VDE 0126-1-1 PDF

DIN V VDE V ((Functional safety) and Engineering Recommendation G59/2: The. Conext RL E and Conext RL E-S are rated >16A. Remark: DIN V VDE V is a prestandard that has not been released yet by DIN. SMA Solar Technology AG | Sonnenallee 1 | Niestetal | Germany. Phone: +49 | Fax: +49 | Internet: | E-mail.

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Functionally safe devices also fulfil the monitoring function in the event of faults, recognise these faults and ensure a safe operating condition.

Country-specific norms define how the interface should be realised and checked in 0126–1. This is too expensive and therefore uneconomical for the many private producers of electricity. In the event of a power cut or a disruption in the grid of the energy supplier, small private power plants immediately have to be disconnected from the public grid to prevent unwanted feed-in.


Failure to disconnect from the grid without delay puts maintenance personnel at risk, while consumers can also be exposed to improper voltages and frequencies. Large power plants are managed and monitored directly by the ES using telecontrol engineering.

The energy produced in this way is used to cover own consumption needs, or fed into the public 0126-11 to generate a profit. We are constantly working on improving our website for you.

To meet the requirements of the standards and of the energy supply companies, the market offers solutions as individual components, multinational components as well as integrated solutions.

Develop, test and integrate batteries according to the standards

The thresholds can even be adjusted outside the standard values if required by the network operator. The monitoring and the automatic disconnection are carried out by an automated interface.

Support us by agreeing to the use of cookies. Requirements for good network and plant NP protection To ensure network safety, an automatic interface monitors the transfer between small power plants and the grid of the energy supplier ES.



In the context of small and micro power plants we mainly see photovoltaic installations, small wind power generators, cogeneration plants or small hydropower plants being used. To ensure network safety, an automatic interface monitors the transfer between small power plants and the grid of the energy supplier ES.

Converting renewable energy into electricity is a key element of stabilising the 012-1-1 climate. Small power plants have to be equipped with an automatic isolation unit that is checked and permitted by an accredited body.