I.S. EN IEC 60664-1:2020/AC:2020-12
Current
The latest, up-to-date edition.
Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests (IEC 60664-1:2020/COR1:2020)
Hardcopy , PDF
English
21-12-2020
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.
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 Basic technical characteristics for insulation coordination
5 Design for insulation coordination
6 Tests and measurements
Annex A (informative) Basic data on withstand characteristics of clearances
Annex B (informative) Nominal voltages of mains supply for different modes of overvoltage control
Annex C (normative) Partial discharge test methods
Annex D (informative) Additional information on partial discharge test methods
Annex E (informative) Comparison of creepage distances specified in Table F.5 and clearances in Table A.1
Annex F (normative) Tables
Annex G (informative) Determination of clearance distances according to 5.2
Annex H (informative) Determination of creepage distances according to 5.3
Bibliography
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