EN 60947-5-8:2006

FOREWORD
1 General
  1.1 Scope
  1.2 Normative references
2 Terms and definitions
3 Classification
  3.1 Contact elements
  3.2 Three-position enabling switch
4 Characteristics
  4.1 Summary of characteristics
  4.2 Type of three-position enabling switch
  4.3 Rated and limiting values for switching elements
  4.4 Utilization categories for switching elements
  4.5 Vacant
  4.6 Vacant
  4.7 Vacant
  4.8 Vacant
  4.9 Switching overvoltages
  4.10 Electrically separated contact elements
5 Product information
  5.1 Nature of information
  5.2 Marking
  5.3 Instructions for installation, operation and
       maintenance
  5.4 Additional information
6 Normal service, mounting and transport conditions
  6.3 Mounting
7 Constructional and performance requirements
  7.1 Constructional requirements
  7.2 Performance requirements
8 Tests
  8.1 Kinds of test
  8.2 Compliance with constructional requirements
  8.3 Performance
Annex A (informative) Example of an enabling device
                      incorporating a three-position
                      enabling switch
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European publications
Bibliography

This part of IEC 60947 specifies requirements for three-position enabling switches.