SN EN 60898-1 : AMD 11 2005

1 Scope and object
2 Normative references
3 Definitions
   3.1 Devices
   3.2 General terms
   3.3 Constructional elements
   3.4 Conditions of operation
   3.5 Characteristic quantities
   3.6 Definitions related to insulation co-ordination
4 Classification
   4.1 According to the number of poles
   4.2 According to the protection against external
        influences
   4.3 According to the method of mounting
   4.4 According to the method of connection
   4.5 According to the instantaneous tripping current
   4.6 According to the l[2]t characteristics
5 Characteristics of circuit-breakers
   5.1 List of characteristics
   5.2 Rated quantities
   5.3 Standard and preferred values
6 Marking and other product information
   6.1 Standard marking
   6.2 Additional marking
   6.3 Guidance table for marking
7 Standard conditions for operation in service
   7.1 Ambient air temperature range
   7.2 Altitude
   7.3 Atmospheric conditions
   7.4 Conditions of installation
   7.5 Pollution degree
8 Requirements for construction and operation
   8.1 Mechanical design
   8.2 Protection against electric shock
   8.3 Dielectric properties and isolating capability
   8.4 Temperature-rise
   8.5 Uninterrupted duty
   8.6 Automatic operation
   8.7 Mechanical and electrical endurance
   8.8 Performance at short-circuit currents
   8.9 Resistance to mechanical shock and impact
   8.10 Resistance to heat
   8.11 Resistance to abnormal heat and to fire
   8.12 Resistance to rusting
   8.13 Power loss
   8.14 Electromagnetic immunity
   8.15 Electromagnetic emission
9 Tests
   9.1 Type tests and test sequences
   9.2 Test conditions
   9.3 Test of indelibility of marking
   9.4 Test of reliability of screws, current-carrying
        parts and connections
   9.5 Test of reliability of terminals for external
        conductors
   9.6 Test of protection against electric shock
   9.7 Test of dielectric properties and isolating
        capability
   9.8 Test of temperature-rise and measurement of
        power loss
   9.9 28-day test
   9.10 Test of tripping characteristic
   9.11 Test of mechanical and electrical endurance
   9.12 Short-circuit tests
   9.13 Mechanical stresses
   9.14 Test of resistance to heat
   9.15 Resistance to abnormal heat and to fire
        (glow-wire test)
   9.16 Test of resistance to rusting
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 E (normative) Special requirements for auxiliary
         circuits for safety extra-low voltage
Annex F (informative) Examples of terminals
Annex G (void)
Annex H (normative) Arrangement for short-circuit test
Annex I (normative) Routine tests
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
Bibliography

Applicable 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.