IEC 61557-11 Revised
IEC 61557-11:2009
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 11: Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems
IEC 61557-11:2009 specifies the requirements for testing equipment applied to the testing of the effectiveness of residual current monitors (RCMs) of type A and type B, which are already installed in distribution systems. This test equipment can be used in any kind of network like a TN, TT or IT system. The test equipment may also be used for testing directionally discriminating RCMs in IT-Systems.This part is to be used in conjunction with IEC 61557-1:2007, Part 1: General requirements.
CHFÂ 155.-
A more recent version of this publication exists:
IEC 61557-11:2020 RLV
Technical committee
TC 85 Measuring equipment for electrical and electromagnetic quantities| Publication type | International Standard |
| Publication date | 2009-01-12 |
| Edition | 1.0 |
| ICS | 17.220.20 29.080.01 29.240.01 |
| Withdrawal date | 2020-06-23 |
| ISBN number | 9782889105373 |
| Pages | 41 |
| File size | 1.10 MB |