prEN IEC 62271-201:2024

This part of IEC 62271 is applicable to prefabricated solid-insulation enclosed switchgear and controlgear assemblies designed for:
– alternating current;
– rated voltages above 1 kV and up to and including 52 kV;
– service frequencies up to and including 60 Hz;
– indoor installation;
– areas limited to authorized personnel;
The assembly can include air-insulated and/or fluid-filled compartments.
For components installed in a solid-insulation enclosed switchgear and controlgear, this document supplements or even replaces in some cases, the requirements as stated by the individual product standards.
The list of components which may be inside the solid-insulation enclosed switchgear and controlgear is not limited to the ones explicitly cited in this document.