BS EN 60947-7-2:2009
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear Ancillary equipment. Protective conductor terminal blocks for copper conductors
Hardcopy , PDF
English
07-31-2009
1 General
1.1 Scope
1.2 Normative references
2 Definitions
3 Classification
4 Characteristics
4.1 Summary of characteristics
4.2 Type of protective conductor terminal block
4.3 Rated and limiting values
4.3.2 Short-time withstand current
4.3.3 Standard cross-sections
4.3.4 Rated cross-section
4.3.5 Rated connecting capacity
5 Product information
5.1 Marking
5.2 Additional information
6 Normal service, mounting and transport conditions
7 Constructional and performance requirements
7.1 Constructional requirements
7.1.1 Clamping units
7.1.2 Connection of support
7.1.3 Clearance and creepage distances
7.1.4 Terminal block identification and marking
7.1.5 Resistance to abnormal heat and fire
7.1.6 Rated cross-section and rated connecting capacity
7.1.7 Protective conductor mounting rails
7.2 Performance requirements
7.2.1 Temperature rise
7.2.2 Dielectric properties
7.2.3 Short-time withstand current
7.2.4 Voltage drop
7.2.5 Electrical performance after ageing (for
screwless-type protective conductor terminal
blocks only)
7.3 Electromagnetic compatibility (EMC)
8 Tests
8.1 Kinds of test
8.2 General
8.3 Verification of mechanical characteristics
8.4 Verification of electrical characteristics
8.4.1 General
8.4.3 Dielectric tests
8.4.4 Verification of the voltage drop
8.4.5 Temperature-rise test
8.4.6 Short-time withstand current test
8.4.7 Ageing test (for screwless-type terminal blocks only)
8.5 Verification of thermal characteristics
8.6 Verification of EMC characteristics
Annex A (normative) - Maximum short-time withstand currents
allocated to the rail profile and thermal
rated current of a PEN busbar
Annex ZA (normative) - Normative references to international
publications with their corresponding
European publications
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