IEC 61557-8:1997
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 8: Insulation monitoring devices for IT systems

Standard No.
IEC 61557-8:1997
Release Date
1997
Published By
International Electrotechnical Commission (IEC)
Status
 2014-12
Replace By
IEC 61557-8:2007
Latest
IEC 61557-8:2014/COR1:2016
Scope
Specifies requirements for insulating monitoring devices which permanently monitor the insulation resistance to earth of unearthed IT a.c. systems, for IT a.c. systems with galvanically connected d.c circuits having nominal voltages up to 1 000 V a.c., a

IEC 61557-8:1997 history

  • 2016 IEC 61557-8:2014/COR1:2016 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 (Edition 3.0)
  • 2014 IEC 61557-8:2014 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 8: Insulation monitoring devices for IT systems - Proposed Horizontal Standard
  • 2007 IEC 61557-8:2007/COR1:2007 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 8: Insulation monitoring devices for IT systems; Corrigendum 1
  • 2007 IEC 61557-8:2007 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 8: Insulation monitoring devices for IT systems
  • 1997 IEC 61557-8:1997 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 8: Insulation monitoring devices for IT systems



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