NEN EN 61009-1 : 1995 AMD 11 1995

Cooperating organizations
National foreword
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
4. Classification
5. Characteristics of RCBO's
6. Marking and other product information
7. Standard conditions for operation in service and for
     installation
8. Requirements for construction and operation
9. Tests
Figures
Annexes (normative)
A. Test sequence and number of samples to be submitted
     for certification purposes
B. Determination of clearances and creepage distances
C. Arrangement for the detection of the emission of
     ionized gases during short-circuit tests
D. Routine tests
E. Special requirements for auxiliary circuits for
     safety extra-low voltage
F. Coordinating between RCBO's and separate fuses
     associated in the same circuit
G. Additional requirements and tests for RCBO's
     consisting of a circuit-breaker and a residual
     current unit designed for assembly on site
H. Lists of tests, additional test sequences and numbers
     of samples for verification of compliance of RCBO's
     with the requirements of electromagnetic compatibility
     (EMC)
ZA. Other international publications quoted in this
     standard with the references of the relevant
     European publications
ZB. Special national conditions
ZD. Classification of circuit-breakers into energy
     limiting classes
Annexes (informative)
IA. Methods of determination of short-circuit power-
     factor
IB. Glossary of symbols
IC. Examples of terminal designs
IE. Follow-up testing programme for RCBO's
ZC. A-deviations
Tables
Z1. Survey of the types of RCBO's according to their
     method of operation
1. Standard values of rated short-circuit capacity
2. Standard values of break time and non-actuating
     time for operation under residual current conditions
3. Ranges of overcurrent instantaneous tripping
4. Standard conditions for operation in service
5. Clearances and creepage distances
6. Connectable cross-sections of copper conductors for
     screw-type terminals
7. Temperature-rise values
8. Time-current operating characteristics
9. Requirements for RCBO's functionally dependent on
     line voltage
10. List of type tests
11. Test copper conductors corresponding to the rated
     currents
12. Screw thread diameters and applied torques
13. Pulling forces
14. Conductor dimensions
15. Test voltage of auxiliary circuits
16. List of short-circuit tests
17. Power factor ranges of the test circuit
18. Ratio between service short-circuit capacity (lcs)
     and rated short-circuit capacity (lcn) - factor k)
19. Test procedure for lcs in the case of single- and
     two-pole RCBO's
20. Test procedure for lcs in the case of three- and
     four-pole RCBO's
21. Test procedure for lcn
22. Tripping current ranges for type A RCBO's

Applicable to residual current operated circuit-breakers with integral overcurrent protection functionally independent of, or functionally dependent on, line voltage for household and similar uses (hereafter referred to as RCBOs), for rated voltages not exceeding 440 V a.c., rated currents not exceeding 125 A for fixed installation and rated short-circuit capacities not exceeding 25 000 A for operation at 50 Hz or 60 Hz.