Standard

IEC 61557-9:1999 ED1

Sep 1999 Revised

Note: Latest version: IEC 61557-9:2023 ED4

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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.

Products specifications

Standard from IEC
Published: September 24 1999
Withdrawn: January 12 2009
Edition: 1
Document type: IS
Pages
ISBN: 2831849101

Publisher: IEC
Distributor: IEC
ICS: 25.040.40
International TC: TC 85

Product Relations

Revised by: IEC 61557-9:2009 ED2

IEC 61557-9:1999 ED1

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IEC 61557-9:2023 ED4

IEC 61557-9:2014 ED3

IEC 61557-9:2009 ED2