SR EN 61643-21:2003
Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.
Status :
Valid
Approval date : 10/30/2003
Publish date : 10/31/2003
Romanian version publish date : 9/30/2011
Withdrawal date : 1/31/2029
Number of pages : 60
ICS : 29.240.10 Substantion.Surge arreters
Technical Committee : 346 - Lightning protection
- Normative reference SR EN 60529:1995
- Normative reference SR CEI 60050(702):2005
- Normative reference SR EN 61643-11:2003/A11:2007
- Normative reference SR EN 60999-1:2001
- Normative reference SR EN 60529:1995/A1:2003
- Normative reference SR EN 61000-4-5:1999
- Normative reference SR EN 60950:2001
- Normative reference SR EN 61643-11:2003
- Normative reference SR EN 61083-1:2002
- Normative reference SR HD 588.1 S1:2003
- Normative reference SR EN 60695-2-11:2002
- Normative reference SR EN 61180-1:2001
- Normative reference SR EN 61000-4-5:1999/A1:2003
- Normative reference SR EN 60068-2-30:2001
- Replaced by SR EN IEC 61643-21:2026
- Amended by SR EN 61643-21:2003/A2:2013
- Amended by SR EN 61643-21:2003/A1:2010
RO