It is currently not possible to order printed and bound versions of standards. This is due to challenges related to our printing supplier. We are working to resolve the situation and apologize for any inconvenience this may cause. For other options, contact salg@standard.no.
Standard

IEC 61557-9:1999 ED1

Revised

Note: This standard has a new edition: IEC 61557-9:2023 ED4

Preview

Corrigenda and amendments are bought separately.

Language
Services

Abstract

Specifies the requirements for insulation fault location systems which localize insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically d.c. circuits having nominal voltages up to 1000 V a.c., as well as in unearthed IT d.c. systems with voltages up to 1500 V d.c., independent of the measuring principle. This part is to be used in conjunction with IEC 61557-1.

Document information

  • Standard from IEC
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • ICS 25.040.40
  • ISO TC TC 85

Product Relations

Product life cycle