BS EN 60898-1 : 2003

1 Scope and object
2 Normative references
3 Definitions
4 Classification
5 Characteristics of circuit-breakers
6 Marking and other product information
7 Standard conditions for operation in service
8 Requirements for construction and operation
9 Tests
Annex A (informative) - Determination of short-circuit
        power factor
Annex B (normative) - Determination of clearances and
        creepage distances
Annex C (normative) - Test sequences and number of
        samples necessary to prove compliance
        with the standard
Annex D (informative) - Co-ordination under short-circuit
        conditions between a circuit-breaker
        and another short-circuit protective
        device (SCPD) associated in the same
        circuit
Annex F (informative) - Examples of terminals
Annex G (void)
Annex H (normative) - Arrangement for short-circuit test
Annex I (normative) - Routine tests
Annex J (normative) - Particular requirements for
        circuit-breakers with screwless type
        terminals for external copper conductors
Annex K (normative) - Particular requirements for
        circuit-breakers with flat quick-connect
        terminations
Annex ZA (normative) - Classification of circuit-breakers
         into energy limiting classes
Annex ZB (normative) - International publications quoted
         in this standard with the reference
         of the relevant European publications
Annex ZC (normative) - Special national conditions
Annex ZD (informative) - List of clauses that
         require retesting
Bibliography
National Annex NA (informative) - CENELEC Interpretation
                  Sheets 1-4

Pertains to a.c. air-break circuit-breakers for operation at 50 Hz or 60 Hz, having a rated voltage not exceeding 440 V (between phases), a rated current not exceeding 125 A and a rated short-circuit capacity not exceeding 25000 A.