Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Test and measurement procedures
  4.1 General
  4.2 Deviations
  4.3 Precision of measurement
  4.4 Power supplies
  4.5 Reference conditions for testing
  4.6 Visual inspection and check of dimensions
  4.7 Mechanical tests and weighing
  4.8 Relay coil properties
  4.9 Dielectric strength test
  4.10 Impulse voltage test
  4.11 Insulation resistance
  4.12 Contact-circuit resistance (or voltage drop)
  4.13 Functional tests
  4.14 Timing tests
  4.15 Climatic tests/sequence
  4.16 Damp heat, steady state
  4.17 Thermal resistance of the coil
  4.18 Heating
  4.19 Rapid change of temperature
  4.20 Enclosure
  4.21 Internal moisture
  4.22 Corrosive atmospheres
  4.23 Mould growth
  4.24 Robustness of terminals
  4.25 Soldering
  4.26 Shock
  4.27 Bump
  4.28 Vibration
  4.29 Acceleration
  4.30 Electrical endurance
  4.31 Mechanical endurance
  4.32 Thermal endurance
  4.33 Limiting continuous current
  4.34 Overload (contact circuit)
  4.35 Load transfer
  4.36 Electromagnetic compatibility
  4.37 Magnetic interference
  4.38 Crosstalk and insertion loss
  4.39 Electrical contact noise
  4.40 Thermoelectric e.m.f.
  4.41 Capacitance
  4.42 Contact sticking (delayed release)
  4.43 Magnetic remanence
  4.44 Acoustic noise
  4.45 Continuity of protective earth connection
  4.46 Fluid contamination
  4.47 Resistance to cleaning solvents
  4.48 Fire hazard
  4.49 Temperature rise at rated load
  4.50 Mechanical interlock
  4.51 Insertion and withdrawal force (mating relay and socket)
Annex A (normative) Heating test arrangement
Annex B (normative) Fire hazard testing
Annex C (normative) Test circuit for endurance tests
Annex D (informative) Inductive contact loads
Bibliography
Figures
Tables

Abstract

States the test and measurement procedures for electromechanical elementary relays, it also covers basic considerations which are, in general, common to all types of electromechanical elementary relays.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 94