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  4. Standard "STN EN 50522"
Standard STN EN 50522 1.3.2023 preview

STN EN 50522 (333201)

Earthing of power installations exceeding 1 kV a.c.

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STANDARD published on 1.3.2023


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The information about the standard:

Designation standards: STN EN 50522
Classification mark: 333201
Catalog number: 136209
Publication date standards: 1.3.2023
SKU: NS-1103538
Approximate weight : 57 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN EN 50522 (01.12.2011)

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Fuses and other overcurrent protection devices

These changes apply to this standard:

Preview STN EN 50522:2023/A1 1.8.2025
STN EN 50522:2023/A1 (333201) Change

Change published on 1.8.2025

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These corrections apply to this standard:

Preview STN EN 50522:2023/Oprava1 1.7.2026
STN EN 50522:2023/Oprava1 (333201) Correction

Correction published on 1.7.2026

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