09/30204029 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
30-11-2011
English
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Constructional units of ASSEMBLIES
3.3 External design of ASSEMBLIES
3.4 Structural parts of ASSEMBLIES
3.5 Conditions of installation of ASSEMBLIES
3.6 Insulation characteristics
3.7 Protection against electric shock
3.8 Characteristics
3.9 Verification
3.10 Manufacturer/User
4 Symbols and abbreviations
5 Interface characteristics
5.1 General
5.2 Voltage ratings
5.3 Current ratings
5.4 Rated frequency (f[n])
5.5 Other characteristics
6 Information
6.1 ASSEMBLY designation marking
6.2 Documentation
6.3 Device and/or component identification
7 Service conditions
7.1 Normal service conditions
7.2 Special service conditions
7.3 Conditions during transport, storage and installation
8 Constructional requirements
8.1 Strength of materials and parts
8.2 Degree of protection provided by an ASSEMBLY
enclosure
8.3 Clearances and creepage distances
8.4 Protection against electric shock
8.5 Incorporation of switching devices and components
8.6 Internal electrical circuits and connections
8.7 Cooling
8.8 Terminals for external conductors
9 Performance requirements
9.1 Dielectric properties
9.2 Temperature rise limits
9.3 Short-circuit protection and short-circuit withstand
strength
9.4 Electromagnetic compatibility (EMC)
10 Design verification
10.1 General
10.2 Strength of materials and parts
10.3 Degree of protection of ASSEMBLIES
10.4 Clearances and creepage distances
10.5 Protection against electric shock and integrity of
protective circuits
10.6 Incorporation of switching devices and components
10.7 Internal electrical circuits and connections
10.8 Terminals for external conductors
10.9 Dielectric properties
10.10 Verification of temperature rise
10.11 Short-circuit withstand strength
10.12 Electromagnetic compatibility (EMC)
10.13 Mechanical operation
11 Routine verification
11.1 General
11.2 Degree of protection of enclosures
11.3 Clearances and creepage distances
11.4 Protection against electric shock and integrity of
protective circuits
11.5 Incorporation of built-in components
11.6 Internal electrical circuits and connections
11.7 Terminals for external conductors
11.8 Mechanical operation
11.9 Dielectric properties
11.10 Wiring, operational performance and function
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) - Items subject to agreement between the
assembly manufacturer and the user
Annex D (informative) - Design verification
Annex E (informative) - Rated diversity factor
E.1 General
E.2 Rated diversity factor of an ASSEMBLY
E.3 Rated diversity factor of a group of outgoing circuits
E.4 Rated diversity factor and intermittent duty
Annex F (normative) - Measurement of clearances and creepage
distances
F.1 Basic principles
F.2 Use of ribs
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
J.1 General
J.2 Terms and definitions
Annex K (normative) - Protection by electrical separation
K.1 General
K.2 Electrical separation
K.3 Class II equipment or equivalent insulation
Annex L (informative) - Clearances and creepage distances
for North American region
Annex M (informative) - North American temperature rise limits
Annex N (informative) - Operating current and power loss of
bare copper busbars
Annex O (informative) - Guidance on temperature rise verification
Annex P (normative) - A method for assessing the short-circuit
withstand strength of the main circuits of an ASSEMBLY
P.1 General
P.2 Definitions
P.3 Method of interpolation
P.4 Conditions for application
Bibliography
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