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SR EN IEC 60077-3:2020

Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers

<!-- NEW! -->IEC 60077-3:2019 is available as <a href="https://webstore.iec.ch/publication/65985">IEC 60077-3:2019 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br>IEC 60077-3:2019 gives the rules for circuit-breakers, the main contacts of which are connected to DC power and/or auxiliary circuits. The nominal voltage of these circuits does not exceed 3 000 V DC according to IEC 60850. This part of IEC 60077, together with IEC 60077-2, states specifically: a) the characteristics of the circuit-breakers; b) the service conditions with which circuit-breakers complies with reference to: - operation and behaviour in normal service; - operation and behaviour in the case of short circuit - dielectric properties; c) the tests for confirming the compliance of the components with the characteristics under the service conditions and the methods to be adopted for these tests; d) the information to be marked on, or given with, the circuit breaker. This second edition ca

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Status : Valid
Approval date : 5/29/2020
Number of pages : 34
ICS : 45.060.01 Railway rolling stock in general
Technical Committee : 4 - Electrical equipment and systems for railways

Relations with other standards: