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EN 61810-2:2017

Current

Current

The latest, up-to-date edition.

Electromechanical elementary relays - Part 2: Reliability

Published date

10-06-2017

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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

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.

Committee
CLC/SR 94
DevelopmentNote
Supersedes EN 60255-23 (05/2005) Supersedes UNE 21136-14, UNE 21136-15 and UNE EN 60255-23. (04/2008)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

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
UNE-EN 60255-1:2010 Measuring relays and protection equipment -- Part 1: Common requirements
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 B<sub>10</sub> 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

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 B<sub>10</sub> 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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