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BS EN 61439-1 ED3.0 - LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1: GENERAL RULES
Hardcopy , PDF
English
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Interface characteristics
6 Information
7 Service conditions
8 Constructional requirements
9 Performance requirements
10 Design verification
11 Routine verification
Annex A (normative) - Minimum and maximum cross-section
of copper conductors suitable for connection to terminals
for external conductors
Annex B (normative) - Method of calculating the cross-sectional
area of protective conductors with regard to thermal
stresses due to currents of short duration
Annex C (informative) - User information template
Annex D (informative) - Design verification
Annex E (informative) - Rated diversity factor
Annex F (normative) - Measurement of clearances
and creepage distances
Annex G (normative) - Correlation between the nominal
voltage of the supply system and the rated impulse
withstand voltage of the equipment
Annex H (informative) - Operating current and power
loss of copper conductors
Annex I (Void)
Annex J (normative) - Electromagnetic compatibility (EMC)
Annex K (Void)
Annex L (informative) - Clearances and creepage distances
for North American region
Annex M (informative) - North American temperature-rise limits
Annex N (normative) - Operating current and power loss
of bare copper bars
Annex O (informative) - Guidance on verification
of temperature-rise
Annex P (normative) - Verification of the short-circuit
withstand strength of busbar structures by
comparison with a tested reference
design by calculation
Annex AA (informative) - List of notes concerning
certain countries
Bibliography
BS EN 61439-1 Ed3.0.
| Committee |
PEL/121/2
|
| DocumentType |
Draft
|
| Pages |
140
|
| PublisherName |
British Standards Institution
|
| Status |
NA
|
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