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STN - Slowakische nationale Normen
Seite 2840
STN EN 61557-4 (01.10.2001) Ungültige
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c.. Equipment for testing, measuring or monitoring of protective measures. Part 4: Resistance of earth connection and equipotential bonding
Verfügbare Ausführung: Gedruckt
STN EN 61557-4 (01.12.2007) Ungültige
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 4: Resistance of earth connection and equipotential bonding
Verfügbare Ausführung: Gedruckt
STN EN IEC 61557-4 (01.02.2022) Ungültige
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
Verfügbare Ausführung: Gedruckt
STN EN 61557-5 (01.10.2001) Ungültige
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. Equipment for testing, measuring or monitoring of protective measures. Part 5: Resistance to earth
Verfügbare Ausführung: Gedruckt
STN EN 61557-5 (01.12.2007) Ungültige
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 5: Resistance to earth
Verfügbare Ausführung: Gedruckt
STN EN IEC 61557-5 (01.03.2022) Ungültige
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
Verfügbare Ausführung: Gedruckt
STN EN 61557-6 (01.12.2001) Ungültige
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. Equipment for testing, measuring or monitoring of protective measures. Part 6: Residual current devices (RCD) in TT, TN and IT systems
Verfügbare Ausführung: Gedruckt
STN EN IEC 61557-6 (01.02.2022) Ungültige
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
Verfügbare Ausführung: Gedruckt
STN EN 61557-6 (01.06.2008) Ungültige
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
Verfügbare Ausführung: Gedruckt
STN EN 61557-7 (01.10.2001) Ungültige
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. Equipment for testing, measuring or monitoring of protective measures. Part 7: Phase sequence
Verfügbare Ausführung: Gedruckt
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