1 General
1.1 Scope
1.2 Normative references
2 Normal and special service conditions
3 Definitions
3.1 General terms
3.2 Assemblies
3.3 Parts of assemblies
3.4 Switching devices
3.5 Parts of circuit-breakers
3.6 Operation
3.7 Characteristic quantities
3.8 Index of definitions
4 Ratings
4.1 Rated voltage (U[r])
4.2 Rated insulation level
4.3 Rated frequency (f[r])
4.4 Rated normal current (I[r]) and temperature
rise
4.5 Rated short-time withstand current (I[k])
4.6 Rated peak withstand current (I[p])
4.7 Rated duration of short circuit (t[k])
4.8 Rated supply voltage of closing and opening
devices and of auxiliary and control circuits
(U[a])
4.9 Rated supply frequency of closing and opening
devices and auxiliary circuits
4.10 Rated pressures of compressed gas supply for
insulation, operation and/or interruption
5 Design and construction
5.1 Requirements for liquids in circuit-breakers
5.2 Requirements for gases in circuit-breakers
5.3 Earthing of circuit-breakers
5.4 Auxiliary equipment
5.5 Dependent power closing
5.6 Stored energy closing
5.7 Independent manual operation
5.8 Operation of releases
5.9 Low- and high-pressure interlocking devices
5.10 Nameplates
5.11 Interlocking devices
5.12 Position indication
5.13 Degrees of protection by enclosures
5.14 Creepage distances
5.15 Gas and vacuum tightness
5.16 Liquid tightness
5.17 Flammability
5.18 Electromagnetic compatibility
6 Type tests
6.1 General
6.2 Dielectric tests
6.3 Radio interference voltage (r.i.v) tests
6.4 Measurement of the resistance of the main
control
6.5 Temperature-rise tests
6.6 Short-time withstand current and peak withstand
current tests
6.7 Verification of the degree of protection
6.8 Tightness tests
6.9 Electromagnetic compatibility (EMC) tests
6.101 Mechanical and environmental tests
6.102 Miscellaneous provisions for marking and
breaking tests
6.103 Test circuits for short-circuit making and
breaking tests
6.104 Short-circuit test quantities
6.105 Short-circuit test procedure
6.106 Basic short-circuit test-duties
6.107 Critical current tests
6.108 Single-phase and double-earth fault tests
6.109 Short-line fault tests
6.110 Out-of-phase making and breaking tests
6.111 Capacitive current switching tests
6.112 Special requirements for making and breaking
tests on class E2 circuit-breakers
7 Routine tests
7.1 Dielectric test on the main circuit
7.2 Dielectric test on auxiliary and control circuits
7.3 Measurement of the resistance of the main circuit
7.4 Tightness test
7.5 Design and visual checks
8 Guide to the selection of circuit-breakers for service
9 Information to be given with enquiries, tenders and
service
10 Rules for transport, storage, installation, operation
and maintenance
10.1 Conditions during transport, storage and
installation
10.2 Installation
10.3 Operation
10.4 Maintenance
11 Safety
Annex A (normative) Calculation of transient recovery
voltages for short-line faults from rated
characteristics
Annex B (normative) Tolerances on test quantities during
type tests
Annex C (normative) Records and reports of type tests
Annex D (normative) Determination of short-circuit power
factor
Annex E (normative) Method of drawing the envelope of the
prospective transient recovery voltage of a circuit
and determining the representative parameters
Annex F (normative) Methods of determining prospective
transient recovery voltage waves
Annex G (normative) Rationale behind introduction of
circuit-breakers class E2
Annex H (informative) Inrush currents of single and
back-to-back capacitor banks
Annex I (informative) Explanatory notes
Annex J (informative) Test current and line length tolerances
for short-line fault testing
Annex K (informative) List of symbols and abbreviations used
in IEC 62271-100
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
Bibliography
Figures
Tables