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IEC

IEC 61557-9:1999

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 systems

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: IEC 61557-9:1999
Document Year: 1999
Pages: 23
Edition: 1.0
  • Section Volume:
  • TC 85 Measuring equipment for electrical and electromagnetic quantities
  • ICS:
  • 25.040.40 Industrial process measurement and control

Life Cycle

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IEC 61557-9:1999
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