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STN - Slovenské národní normy
Stránka 2836
STN EN 61143-1:2002/A1 (01.03.2002) Change
Electrical measuring instruments. X-t recorders. Part 1: Definitions and requirements
Dostupné jazyky: Znenie normy je v pôvodnom jazyku
Dostupné prevedenie: Tlačené
STN EN 61143-2 (01.03.2002)
Electrical measuring instruments. X-t recorders. Part 2: Recommended additional test methods
Dostupné jazyky: Znenie normy je v pôvodnom jazyku
Dostupné prevedenie: Tlačené
STN EN IEC 61557-1 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 1: General requirements
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-1:2023/A1 (01.11.2025) Change
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 1: General requirements
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-2 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 2: Insulation resistance
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-3 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 3: Loop impedance
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-4 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 4: Resistance of earth connection and equipotential bonding
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-5 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 5: Resistance to earth
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-6 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
STN EN IEC 61557-7 (01.05.2023)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 7: Phase sequence
Dostupné jazyky: Slovensky
Dostupné prevedenie: Tlačené
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