S.R. CLC/TS 61643-12:2009
Current
The latest, up-to-date edition.
LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
Hardcopy , PDF
English
01-01-2009
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0 Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 Systems and equipment to be protected
5 Surge protective devices
6 Application of SPDs in low-voltage power distribution systems
7 Risk analysis
8 Co-ordination where equipment has both signalling and power
terminals
Annex A (informative) Examples of various SPD technologies
Annex B (informative) Explanation of testing procedures used
in EN 61643-11
Annex C (informative) Partial lightning current calculations
Annex D (informative) Examples of application of CLC/TS 61643-12
Annex E (informative) Examples of application of the risk analysis
Annex F (informative) Consideration for SPDs when Type 1 SPDs
are to be applied
Annex G (informative) Immunity versus insulation withstand
Annex H (informative) Examples of SPD installation in power
distribution boards in some countries
Annex I (informative) Short circuit backup protection and
surge withstand
Annex J (informative) SPD coordination test principles
Annex K (informative) Simple calculation of I[imp] for a Type
1 SPD in case of a building protected by a LPS
Bibliography
Explains the principles for selection, operation, location and co-ordination of SPDs to be connected to 50 Hz to 60 Hz a.c. power circuits and equipment rated up to 1000 V r.m.s.
| DevelopmentNote |
Supersedes I.S. CLC TS 61643-12. (07/2010) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
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| DocumentType |
Standard
|
| Pages |
237
|
| PublisherName |
National Standards Authority of Ireland
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| Status |
Current
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