Superseded
Standard
Historical
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
Preview
Summary
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.
This part is to be used in conjunction with IEC 61557-1.
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 09/24/1999 |
| Release Date | 09/24/1999 |
| Cancellation Date | 01/12/2009 |
| Edition | 1 |
| Page Count | 23 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
12/01/2009
Superseded
Historical
11/12/2014
Superseded
Historical
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