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EN 61557-9:2009 Standard

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  Keywords:

#iec #unearthed #standards #14 #note

This standard is superseeded by:
  •   EN 61557-9:2015 from: 2018-01-15
  •   This standard is no longer addressed in the last official Journal publication of the "2018-09-14 ". This standard is addressed for the last time in the official journal publication of the "2017-09-08"

      Directive

    Low voltage (LVD) Directive (2014/35/EU)

      Last Official Journal reference

    Friday 8th of September 2017

      Description:

    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 9: Equipment for insulation fault location in IT systemsIEC 61557-9:2009

      Purpose

    This part of IEC 61557 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 connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as in unearthed IT d.c. systems with voltages up to 1 500 V d.c., independent of the measuring principle. NOTE 1 IT systems are described in IEC 60364-4-41 amongst other literature. Additional data for a selection of devices in other standards should be noted. NOTE 2 Further information on insulation fault location can be found in the following standards: IEC 60364-4-41:2005, 411.6, and IEC 60364-5-53:2001, 531.3.

      Publication

    Friday 8th of September 2017

      Reference

    This standard superseed the "EN 61557-9:1999".

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