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IEC 60077-3-ed.2.0-RLV
Railway applications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for DC circuit-breakers
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STANDARD published on 25.10.2019
The information about the standard:
Designation standards: IEC 60077-3-ed.2.0-RLV
Publication date standards: 25.10.2019
SKU: NS-1092419
The number of pages: 89
Approximate weight : 298 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEC
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Annotation of standard text IEC 60077-3-ed.2.0-RLV :
IEC 60077-3:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. 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 cancels and replaces the first edition, issued in 2001. This edition includes the following main technical changes with regard to the previous edition: - procedure of verification of temperature rise is changed; - air-tightness test as type test, insulation resistance measurement are added.
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