CEI EN 61557-8
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 8: Insulation monitoring devices for IT systems
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| Organization: | CEI |
| Publication Date: | 1 September 2016 |
| Status: | inactive |
| Page Count: | 8 |
| ICS Code (Power transmission and distribution networks in general): | 29.240.01 |
| ICS Code (Measurement of electrical and magnetic quantities): | 17.220.20 |
| ICS Code (Electrical insulation in general): | 29.080.01 |
Document History
CEI EN 61557-8
September 1, 2016
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 8: Insulation monitoring devices for IT systems
A description is not available for this item.
April 1, 2016
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 8: Insulation monitoring devices for IT systems
This part of IEC 61557 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance RF to earth of unearthed a.c.
IT systems, of a.c. IT...
June 1, 2015
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 8: Insulation monitoring devices for IT systems
This part of IEC 61557 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance RF to earth of unearthed a.c. IT systems, of a.c. IT...
August 1, 2008
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 8: Insulation monitoring devices for IT systems
La presente Norma specifica le prescrizioni per i dispositivi di controllo dell’isolamento che, indipendentemente dal metodo di misura, controllano in modo continuo la resistenza di isolamento verso...
September 1, 2007
Sicurezza elettrica nei sistemi di distribuzione a bassa tensione fino a 1000 V c.a. e 1500 V c.c. - Apparecchi per prove, misure o controllo dei sistemi di protezione - Parte 8: Dispositivi di controllo dell'isolamento nei sistemi IT
La presente Norma specifica le prescrizioni per i dispositivi di controllo dell’isolamento che, indipendentemente dal metodo di misura, controllano in modo continuo la resistenza di isolamento verso...
September 1, 1998
Sicurezza elettrica nei sistemi di distribuzione a bassa tensione fino a 1 kV AC e 1,5 kV DC - Apparecchi per prove, misure o controllo dei sistemi di protezione - Parte 8: Apparecchi per il controllo dell'isolamento nei sistemi IT
La presente Norma specifica le prescrizioni per gli apparecchi di controllo dell'isolamento che, indipendentemente dal metodo di misura, controllano in modo continuo la resistenza di isolamento verso...