Electromechanical elementary relays - Reliability Ingestion-build-68772 f) structures

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Electromechanical elementary relays - Reliability Ingestion-build-68772 f) structures1 Scope This part of IEC 61810 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). The lifetime of a relay is usually expressed in number of cycles (CTF). Therefore, whenever the terms time or