SRPS EN 61810-2-1:2020

Electromechanical elementary relays - Part 2-1: Reliability - Procedure for the verification of B10 values

Scope

IEC 61810-2-1:2017 specifies reliability test procedures for electromechanical elementary relays when enhanced requirements for the verification of reliability apply.

Particular provisions are given for relays incorporated in safety-related control systems of machinery in accordance with IEC 62061 and ISO 13849-1. For such relays, <em>B</em>₁₀ values for dangerous failures (<em>B</em>_10D values) are derived from the tests specified in this document.

This edition includes the following significant technical changes with respect to the previous edition:

- limitation of tests to 10 M cycles in Clause 5;

- reduction of required number of test samples to 5 in specified cases;

- introduction of WeiBayes analysis for routine test under Clause 4.