IEC 61557-8 Revised
IEC 61557-8:1997
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems
Specifies requirements for insulation monitoring devices which
permanently monitor the insulation resistance to earth of unearthed
IT a.c. and d.c. systems, and for IT a.c. systems with galvanically
connected d.c. circuits.
permanently monitor the insulation resistance to earth of unearthed
IT a.c. and d.c. systems, and for IT a.c. systems with galvanically
connected d.c. circuits.
CHFÂ 40.-
A more recent version of this publication exists:
IEC 61557-8:2014/COR1:2016
Technical committee
TC 85 Measuring equipment for electrical and electromagnetic quantities| Publication type | International Standard |
| Publication date | 1997-02-14 |
| Edition | 1.0 |
| ICS | 17.220.20 29.080.01 29.240.01 |
| Withdrawal date | 2007-01-29 |
| ISBN number | 2831837065 |
| Pages | 21 |
| File size | 142.13 KB |