CEI EN 62052-21 : 2005

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 (normative) - Relationship between ambient
        air temperature and relative humidity
Annex B (normative) - Reference and limiting values
        of the influence quantities
Annex C (normative) - Electromagnet for testing the
        influence of externally produced magnetic fields
Annex D (informative) - Test set-up for EMC tests
Annex E (informative) - Test schedule
Annex F (informative) - Acceptance tests
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications
Annex ZB (normative) - Special national conditions
Annex ZZ (informative) - Coverage of Essential
         Requirements of EC Directives

Describes the general requirements for the type test of newly manufactured indoor tariff and load control equipment, like electronic ripple control receivers and time switches that are used to control electrical loads, multi-tariff registers and maximum demand indicator devices.