目录简介 | Contents
Foreword
1 Basic requirements
1.1 Scope and object
1.2 Normative references
2 Terms and definitions
3 Classification
4 Characteristics
4.1 General
4.2 Type of equipment
4.3 Rated and limiting values for the main circuit
4.4 Utilization category
4.5 Control circuits
4.6 Auxiliary circuits
4.7 Relays and releases
4.8 Co-ordination with short-circuit protective devices (SCPD)
4.9 Switching overvoltages
5 Product information
5.1 Nature of information
5.2 Marking
5.3 Instructions for installation, operation and maintenance
6 Normal service, mounting and transport conditions
6.1 Normal service conditions
6.2 Conditions during transport and storage
6.3 Mounting
7 Constructional and performance requirements
7.1 Constructional requirements
7.2 Performance requirements
7.3 Electromagnetic compatibility (EMC)
8 Tests
8.1 Kinds of test
8.2 Compliance with constructional requirements
8.3 Performance
8.4 Tests for EMC
Annex A (Informative) Examples of utilization categories for low-voltage switchgear and controlgear
Annex B (Informative) Suitability of the equipment when conditions for operation in service differ from the normal conditions
Annex C (Normative) Degrees of protection of enclosed equipment
Annex D (Informative) Examples of clamping units and relationship between clamping unit and connecting device
Annex E (Informative) Description of a method for adjusting the load circuit
Annex F (Informative) Determination of short-circuit power-factor or time-constant
Annex G (Informative) Measurement of creepage distances and clearances
Annex H (Informative) Correlation between the nominal voltage of the supply system and the rated impulse withstand voltage of equipment
Annex I Vacant
Annex J (Informative) Items subject to agreement between manufacturer and user
Annex K (Normative) Humidity resistance performance and its requirements
Annex L (Normative) Terminal marking and distinctive number
Annex M (Normative) Flammability test
Annex N (Normative) Requirements and tests for equipment with protective separation
Annex O (Informative) Environmental aspects
Annex P (Informative) Terminal lugs for low voltage switchgear and controlgear connected to copper conductors
Annex Q (Normative) Special tests - Damp heat, salt mist, vibration and shock
Annex R (Informative) Application of the metal foil for dielectric testing on accessible parts during operation or adjustment
Annex S (Normative) Digital inputs and outputs
Annex T (Normative) Extended functions within electronic overload relays
Annex U (Informative) Examples of control circuit configurations
Bibliography |
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