SN EN 60255-23 : 1996

1 General
    1.1 Scope and object
    1.2 Normative references
2 Definitions
3 Standard rated and preferred values
    3.1 Standard rated values
    3.2 Standard preferred values
4 Test conditions
    4.1 General
    4.2 Test circuit
    4.3 Relay energization
    4.4 Criteria of contact failure
5 Assessment of contact performance
    5.1 General
    5.2 Evaluation
6 Presentation of performance
Annexes
A (normative) Standard test circuit
B (normative) Categories of application of contacts
C (normative) Assessment of test results
D (normative) Simplified method for assessment of contact
    ratings
E (normative) Assessment of reliability characteristics
    of all-or-nothing relays
ZA (normative) Normative references to international
    publications with their corresponding European
    publications

Applies to contact assemblies of relays in the scope of the IEC. Describes basic consideration common to all types of relays covered by IEC 255, but may need supplementary requirements for specified designs or applications.