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IEC 61557-9 Ed. 1.0 Edition 09/1999
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
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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.

Status

Standard - Superseded

Origin

Technical Committee :
85 : Measuring equipment for electrical and electromagnetic quantities

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV

International Classification for Standards (ICS codes) :

25.040.40 : Industrial process measurement and control

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