• NF EN 61811-50 : 2003

    Current The latest, up-to-date edition.

    ELECTROMECHANICAL ALL-OR-NOTHING RELAYS - PART 50: SECTIONAL SPECIFICATION - ELECTROMECHANICAL ALL-OR-NOTHING TELECOM RELAYS OF ASSESSED QUALITY

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    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    1 General
       1.1 Scope
       1.2 Normative references
       1.3 Terms and definitions
       1.4 Preferred values
       1.5 Marking and documentation
     2 Quality assessment procedures
       2.1 Primary stage of manufacture
       2.2 Structurally similar relays
       2.3 Subcontracting
       2.4 Qualification approval procedures
       2.5 Quality conformance inspection
       2.6 Test schedule
       2.7 Order of tests
    3 Preparation of blank detail and detail specifications
    4 Test schedule
      4.1 Test sequence
      4.2 Types of relays, based upon environmental
          protection (relay technology RT)
      4.3 Categories of application of contacts
      4.4 Notes relative to Table 1
    5 Relay reliability - Failure rate data
    Annex A (informative) Data base for failure rates
    Annex ZA (normative) Normative references to international
                          publications with their corresponding
                          European publications

    Abstract - (Show below) - (Hide below)

    Applicable to electromechanical all-or-nothing telecom relays of assessed quality. Relays according to this standard are provided for operation in telecommunication applications.

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    Development Note Indice de Classement: C45-255-50. PR NF EN 61811-50 November 2000. (12/2003)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Current
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