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UNE-EN IEC 61557-2
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance (Endorsed by Asociación Española de Normalización in April of 2022.)
Edition
2022-04-01
UNE-EN IEC 61557-3
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance (Endorsed by Asociación Española de Normalización in July of 2022.)
Edition
2022-07-01
UNE-EN IEC 61557-4
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding (Endorsed by Asociación Española de Normalización in April of 2022.)
Edition
2022-04-01
UNE-EN IEC 61557-5
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth (Endorsed by Asociación Española de Normalización in April of 2022.)
Edition
2022-04-01
UNE-EN IEC 61557-6
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 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 (Endorsed by Asociación Española de Normalización in April of 2022.)
Edition
2022-04-01
UNE-EN IEC 61557-7
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence (Endorsed by Asociación Española de Normalización in July of 2022.)
Edition
2022-07-01
UNE-EN IEC 61557-7/A1
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence (Endorsed by Asociación Española de Normalización in November of 2023.)
Edition
2023-11-01
UNE-EN IEC 61557-11
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCM) in TT, TN and IT systems
Edition
2023-01-18
UNE-EN IEC 61557-12
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12: Power metering and monitoring devices (PMD)
Edition
2023-11-29
UNE-EN IEC 61557-12/A1
Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12: Power metering and monitoring devices (PMD)
Edition
2023-11-29