Table of Contents

FOREWORD
1 Scope and object
2 Normative references
3 Definitions
4 Classification
5 Characteristics
  5.1 Type of auxiliary contact unit
  5.2 Rated values of auxiliary contacts
  5.3 Performance under normal and abnormal load
      conditions
  5.4 Utilization categories of auxiliary contacts
  5.5 Electrically separated contact elements
6 Marking and other information
  6.1 Marking
  6.2 Terminal identification
  6.3 Instructions for installation and operation
7 Standard conditions for operation in service
8 Requirements for construction and operation
  8.1 Constructional requirements
  8.2 Performance requirements
  8.3 Test device of the auxiliary contact unit
  8.4 Correct operation of the main switching device
  8.5 Electromagnetic compatibility
9 Tests
  9.1 Kinds of test
  9.2 Verification of compliance with constructional
      requirements
  9.3 Performance
  9.4 Tests of creepage distances and clearances for
      electronic circuits
  9.5 Requirements for capacitors and specific resistors
      and inductors used in electronic circuits
Annex A (normative) - Determination of clearances and
                        creepage distances
Annex B (informative) - Contact rating based on utilization
                        categories
Annex C (informative) - Example of inductive loads for tests
                        of d.c. contacts
Annex D (informative) - Bibliography
Figures
Tables

Abstract

Applicable to auxiliary contact units associated (or intended to be associated) with circuit-breakers for overcurrent protection and with residual current operated circuit-breakers with or without integral overcurrent protection for household and similar installations, having a rated voltage not exceeding 440 V a.c. and 250 V d.c. and a rated current not exceeding 10 A.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 23