I.S. EN IEC 60077-4:2019
Current
The latest, up-to-date edition.
Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers
Hardcopy , PDF
English - French
08-01-2020
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.
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 Classification
5 Characteristics
6 Product information
7 Normal service conditions
8 Constructional and performance requirements
9 Tests
Annex A (informative) Test circuit to verify the making and breaking capacities
Annex B (informative) Determination of short-circuit making and breaking currents, and of percentage DC component
Bibliography
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