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STN EN IEC 61557-9 (356230)
Elektrická bezpečnosť v nízkonapäťových rozvodných sieťach so striedavým napätím do 1 000 V a s jednosmerným napätím do 1 500 V. Zariadenia na skúšanie, meranie alebo sledovanie činnosti prostriedkov ochrany. Časť 9: Zariadenia na lokalizovanie poruchy izolácie v sieťach IT (Norma na priame používanie ako STN).
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STANDARD published on 1.7.2025
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The information about the standard:
Designation standards: STN EN IEC 61557-9
Classification mark: 356230
Publication date standards: 1.7.2025
SKU: NS-1224719
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Category: Technical standards STN
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