I.S. EN 62054-21:2004
Current
The latest, up-to-date edition.
ELECTRICITY METERING (A.C.) - TARIFF AND LOAD CONTROL - PART 21: PARTICULAR REQUIREMENTS FOR TIME SWITCHES
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Standard electrical values
5 Mechanical requirements and tests
6 Climatic conditions, requirements and tests
7 Electrical requirements and tests
8 Test conditions and type test
Annex A (informative) Acceptance tests
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Annex ZZ (informative) Coverage of Essential Requirements of
EC Directives
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