Foreword
Preface
Section 1 - Scope
Section 2 - General
2.1 Order of precedence
2.2 Related documents
2.3 Units, symbols, and terminology
2.4 Preferred values
2.5 Marking
Section 3 - Terms and definitions
3.1 Types of relays
3.2 Functions of a relay
3.3 Types of contacts
3.4 Prefixes for the values applicable to relays
3.5 Energization values
3.6 Electrical properties of contacts
3.7 Application categories of contacts
3.8 Mechanical properties of contacts
3.9 Terms relating to times
Section 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 relays subjected to tests
4.9 Delayed delivery
4.10 Supplementary procedure for deliveries
4.11 Unchecked parameters
4.12 Release for delivery before the completion of
Group B tests
Section 5 - Test and measurement procedures
5.1 General
5.2 Alternative 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 Mechanical tests and weighing
5.8 Coil resistance, inductance, impedance and burden
5.9 Dielectric test
5.10 Impulse voltage test
5.11 Insulation resistance
5.12 Contact-circuit resistance (or voltage drop)
5.13 Functional tests
5.14 Timing tests
5.15 Climatic sequence
5.16 Damp heat, steady state
5.17 Thermal resistance
5.18 Heating
5.19 Rapid change of temperature
5.20 Enclosure
5.21 Internal moisture
5.22 Corrosive atmospheres
5.23 Mould growth
5.24 Robustness of terminals
5.25 Soldering
5.26 Shock
5.27 Bump
5.28 Vibration
5.29 Acceleration
5.30 Electrical endurance
5.31 Mechanical endurance
5.32 Thermal endurance
5.33 Limiting continuous current
5.34 Overload (contact circuits)
5.35 Load transfer
5.36 Electromagnetic compatibility
5.37 Magnetic interference
5.38 Cross-talk and insertion loss
5.39 Electrical contact noise
5.40 Thermo-electric e.m.f.
5.41 Capacitances
5.42 Contact sticking
5.43 Magnetic remanence
5.44 Acoustic noise
5.45 Continuity of protective earth connection
5.46 Fluid contamination
5.47 Resistance to solvents
Drawings
Figures
1 - 5 Performance diagrams
1 Monostable non-polarized relay
2 Monostable relay polarized by diode
3 Monostable polarized relay with magnetic biasing
4 Bistable non-polarized relay
5 Bistable polarized relay
6 - 7 Time measurement
6 Typical circuit for the measurement
7 Typical traces on an oscilloscope screen
8 Test circuit for load transfer
9 Mounting array for adjacent similar relays