SR EN 61557-9:2002

Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures -- Part 9: Equipment for insulation fault location in IT systems

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Status : Withdrawn
Approval date : 12/11/2002
Publish date : 12/15/2003
Withdrawal date : 2/1/2012
Number of pages : 18
ICS : 25.040.40 Industrial process measurement and control,33.100.01 Electromagnetic compatibility in general
Technical Committee : 166 - Measuring equipment for electrical and electromagnetic quantities

Relations with other standards: