I.S. EN 60947-5-8:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-8: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - THREE-POSITION ENABLING SWITCHES
Hardcopy , PDF
08-05-2021
English
01-01-2006
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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
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