FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Characteristics
6 Product information
7 Normal service, mounting and transport conditions
8 Constructional and performance requirements
9 Tests
Annex A (informative) Example of enabling devices incorporating a three-position enabling switch
Annex B (normative) Procedure to determine reliability data for three-position enabling switches used in functional safety applications
Bibliography