I.S. EN IEC 62271-100:2021
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
High-voltage switchgear and controlgear - Part 100: Alternating current circuit-breakers (IEC 62271-100:2021)
Hardcopy , PDF
02-24-2022
English
09-13-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Normal and special service conditions
5 Ratings
6 Design and construction
7 Type tests
8 Routine tests
9 Guide to the selection of switchgear and controlgear (informative)
10 Information to be given with enquiries, tenders and orders (informative)
11 Transport, storage, installation, operation instructions and maintenance
12 Safety
13 Influence of the product on the environment
Annex A (normative) Calculation of TRVs 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) Method of determination of the prospective TRV
Annex E (normative) Methods of determining prospective TRV waves
Annex F (informative) Requirements for breaking of transformer-limited faults by
circuit-breakers with rated voltage higher than 1 kV
Annex G (normative) Use of mechanical characteristics and related requirements
Annex H (normative) Requirements for making and breaking test procedures for
metal-enclosed and dead tank circuit-breakers
Annex I (normative) Requirements for circuit-breakers with opening resistors
Annex J (normative) Verification of capacitive current breaking in presence of single
or two-phase earth faults
Bibliography
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