NEN EN 147000 : 1997

Cooperating organizations
National foreword
Foreword
1. SCOPE
2. GENERAL
2.1 Order of precedence
2.2 Related documents
2.3 Units, symbols and terminology
2.4 Preferred values
2.5 Marking
3. TERMS AND DEFINITIONS
3.1 Terms relating to sockets
3.2 Terms relating to contacts
3.3 Electrical properties of contacts
3.4 Terms relating to tools and accessories
4. QUALITY ASSESSMENT PROCEDURES
4.1 Primary stage of manufacture
4.2 Structurally similar components
4.3 Qualification approval procedures
4.4 Quality conformance inspection
4.5 Division into groups
4.6 Resubmission of rejected lots
4.7 Certified test records
4.8 Delivery of sockets submitted to tests
4.9 Delayed delivery
4.10 Supplementary procedure for deliveries
4.11 Unchecked parameters
4.12 Release for delivery before completion of Group B
      tests
5. TEST AND MEASUREMENT PROCEDURES
5.1 General
5.2 Alternative test methods
5.3 Precision of measurement
5.4 Requirements in detail specifications
5.5 Standard conditions for testing
5.6 Visual inspection and check of dimensions
5.7 Weighing
5.8 Insertion and withdrawal force
5.9 Mounting and fixture
5.10 Retention force of the socket contact
5.11 Contact retention into insulator body
5.12 Replacement of removable contacts
5.13 Wiring of crimping contacts
5.14 Dielectric strength test
5.15 Insulation resistance test
5.16 Contact circuit resistance
5.17 Shock
5.18 Bump
5.19 Vibration
5.20 Climatic sequence
5.21 Rapid change of temperature
5.22 Salt spray
5.23 Soldering
5.24 Resistance to cleaning solvents
5.25 Fluid contamination
5.26 Flammability test
5.27 Thermal endurance
5.28 Mechanical endurance
5.29 Electrical overload
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Covers the general requirements for sockets used with plug in electrical relays of assessed quality. Coverage includes: primary stage of manufacture; qualification approval procedures; delivery of sockets submitted to tests; units, symbols and terminology; visual inspection and check of dimensions; insertion and withdrawal force; replacement of removable contacts.