Standard: IEC 60077-2

RAILWAY APPLICATIONS – ELECTRIC EQUIPMENT FOR ROLLING STOCK – PART 2: ELECTROTECHNICAL COMPONENTS – GENERAL RULES

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Scope:

In addition to the rules given in IEC 60077-1, this part of IEC 60077 provides general rules for all electrotechnical components installed in power circuits, auxiliary circuits, control and indicating circuits, etc., on railway rolling stock

The purpose of this document is to adapt the general rules given in IEC 60077-1 to all electrotechnical components for rolling stock, in order to obtain uniformity of requirements and tests for the corresponding range of components

Electrotechnical components are mainly switchgear and controlgear, including also relays, valves, resistors, fuses, etc., irrespective of the nature of their control

The incorporation of electronic components or electronic subassemblies into electrotechnical components is now common practice. Although this document is not applicable to electronic equipment, the presence of electronic components does not give grounds to exclude such electrotechnical components from the scope of this document

Electronic subassemblies comply with the relevant standard

Some of these rules, after agreement between the user and the manufacturer, are used for electrotechnical components installed on vehicles other than railway rolling stock, such as mine locomotives, trolleybuses, etc

This document states

the characteristics of the components

the service conditions with which components have to comply

the tests intended to confirm compliance of the components with these characteristics under these service conditions, and the methods to be adopted for these tests

the information to be marked on, or given with, the apparatus

This document does not cover industrial electrotechnical components which comply with their own product standard. In order to ensure satisfactory operation of these components for rolling stock, this document is used to specify only the particular requirements for railway application. In that case, a specific document would state the additional requirements with which the industrial components are to comply, e.g.:

to be adapted (for example for control voltage, environmental conditions, etc.); or

to be installed and used so as not to have to endure specific railway conditions; or

to be additionally tested to prove that these components can satisfactorily withstand railway conditions

In the event of there being a difference in requirements between this document and a railway rolling stock relevant product standard, then the product standard requirements take precedence

Organization: International Electrotechnical Commission
Document Number: iec 60077-2
Publish Date: 2017-07-01
Page Count: 76
Change Type: COMPLETE REVISION
Available Languages: EN,FR
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
IEC 60077-2 Change Type: STCH Update Date: 1999-03-01 Revision: 1.0 Status: INAC

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