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  • EN 61810-2:2017

    Current The latest, up-to-date edition.

    Electromechanical elementary relays - Part 2: Reliability

    Available format(s): 

    Language(s): 

    Published date:  06-10-2017

    Publisher:  European Committee for Standards - Electrical

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General considerations
    5 Test conditions
    6 Failure criteria
    7 Output data
    8 Analysis of output data
    9 Presentation of reliability measures
    Annex A (normative) - Data analysis
    Annex B (informative) - Example of data analysis
    Annex C (informative) - Statistical tables
    Annex D (informative) - Success run - Test without failures
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    IEC61810-2:2017 covers test conditions and provisions for the evaluation of endurance tests using appropriate statistical methods to obtain reliability characteristics for relays.This document applies to electromechanical elementary relays considered as non-repaired items (i.e. items which are not repaired after failure).This document does not cover procedures for electromechanical elementary relays where enhanced requirements for the verification of reliability apply.This edition includes the following significant technical changes with respect to the previous edition:- not only graphical but also numerical methods are added;- reduction of number of samples in specified cases;- new subclauses of confidence intervals are added;- the WeiBayes approach is added to facilitate compliance tests (routine test) with lower effort;- annexes have been restructured into an Annex A for data analysis (normative) and AnnexB (informative) where various examples of the data analysis are given;- the former Annex C has been incorporated into the modified Annex B;- a new Annex C replaces the old Annex D.

    General Product Information - (Show below) - (Hide below)

    Committee CLC/SR 94
    Development Note Supersedes EN 60255-23 (05/2005) Supersedes UNE 21136-14, UNE 21136-15 and UNE EN 60255-23. (04/2008)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 60255-1:2010 Measuring relays and protection equipment Common requirements
    I.S. EN 61810-2-1:2017 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 2-1: RELIABILITY - PROCEDURE FOR THE VERIFICATION OF B[10] VALUES
    BS EN IEC 62246-1-1:2018 Reed switches Generic specification. Blank detail specification
    BS EN 61649:2008 WEIBULL ANALYSIS
    I.S. EN 61649:2008 WEIBULL ANALYSIS
    CEI EN 61810-2-1 : 2012 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 2-1: RELIABILITY - PROCEDURE FOR THE VERIFICATION OF B10 VALUES
    EN 61557-8:2015/AC:2016-06 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems
    EN IEC 62246-1-1:2018 Reed switches - Part 1-1: Generic specification - Blank detail specification
    UNE-EN 61557-8:2016 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems
    UNE-EN 61649:2012 Weibull analysis
    I.S. EN IEC 62246-1-1:2018 REED SWITCHES - PART 1-1: GENERIC SPECIFICATION - BLANK DETAIL SPECIFICATION
    CEI EN 60255-1 : 2011 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    I.S. EN 61557-8:2015 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 8: INSULATION MONITORING DEVICES FOR IT SYSTEMS
    EN 61811-1:2015 Electromechanical telecom elementary relays of assessed quality - Part 1: Generic specification and blank detail specification
    BS EN 61811-1:2015 Electromechanical telecom elementary relays of assessed quality Generic specification and blank detail specification
    CEI EN 61557-8 : 2016 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 8: INSULATION MONITORING DEVICES FOR IT SYSTEMS
    BS EN 61810-2-1:2017 Electromechanical elementary relays Reliability. Procedure for the verification of B10 values
    CEI EN 61649 : 2010 WEIBULL ANALYSIS
    I.S. EN 61811-1:2015 ELECTROMECHANICAL TELECOM ELEMENTARY RELAYS OF ASSESSED QUALITY - PART 1: GENERIC SPECIFICATION AND BLANK DETAIL SPECIFICATION
    I.S. EN 60255-1:2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    EN 61810-2-1:2017 Electromechanical elementary relays - Part 2-1: Reliability - Procedure for the verification of B10 values
    BS EN 61557-8:2015 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures Insulation monitoring devices for IT systems
    BS EN 61557-9:2015 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures Equipment for insulation fault location in IT systems
    EN 61649:2008 Weibull analysis
    EN 61557-9:2015/AC:2017-02 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 9: EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS (IEC 61557-9:2014/COR2:2017)
    EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60605-4:2001 Equipment reliability testing - Part 4: Statistical procedures for exponential distribution - Point estimates, confidence intervals, prediction intervals and tolerance intervals
    ISO 2854:1976 Statistical interpretation of data — Techniques of estimation and tests relating to means and variances
    IEC 61649:2008 Weibull analysis
    IEC 60605-6:2007 Equipment reliability testing - Part 6: Tests for the validity and estimation of the constant failure rate and constant failure intensity
    IEC 61810-1:2015 Electromechanical elementary relays - Part 1: General and safety requirements
    IEC 61810-3:2015 Electromechanical elementary relays - Part 3: Relays with forcibly guided (mechanically linked) contacts
    EN 61649:2008 Weibull analysis
    IEC 61810-2-1:2017 Electromechanical elementary relays - Part 2-1: Reliability - Procedure for the verification of B10 values
    IEC 62061:2005+AMD1:2012+AMD2:2015 CSV Safety of machinery - Functional safety of safety-related electrical, electronic and programmable electronic control systems
    ISO 13849-1:2015 Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design
    IEC 60300-3-5:2001 Dependability management - Part 3-5: Application guide - Reliability test conditions and statistical test principles
    ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability
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