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STN - Slovak standards
Page 2840
STN EN 61557-4 (01/10/2001) Withdrawn
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
Available design: Print design
STN EN 61557-4 (01/12/2007) Withdrawn
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
Available design: Print design
STN EN IEC 61557-4 (01/02/2022) Withdrawn
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
Available design: Print design
STN EN 61557-5 (01/10/2001) Withdrawn
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
Available design: Print design
STN EN 61557-5 (01/12/2007) Withdrawn
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
Available design: Print design
STN EN IEC 61557-5 (01/03/2022) Withdrawn
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
Available design: Print design
STN EN 61557-6 (01/12/2001) Withdrawn
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
Available design: Print design
STN EN IEC 61557-6 (01/02/2022) Withdrawn
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
Available design: Print design
STN EN 61557-6 (01/06/2008) Withdrawn
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
Available design: Print design
STN EN 61557-7 (01/10/2001) Withdrawn
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
Available design: Print design
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