BS EN 61008-1:1995:2001 Edition
$215.11
Specification for residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – General rules
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 108 |
For devices not incorporating overcurrent protection (hereafter referred to as RCCBs), for rated voltages not exceeding 440 V a.c. and rated currents not exceeding 125 A, intended principally for protection against shock-hazard.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Cooperating organizations |
| 3 | Contents |
| 6 | Foreword Foreword to amendment A11 Foreword to amendment A2 |
| 7 | Foreword to amendment A12 Foreword to amendment A13 Foreword to amendment A14 Foreword to amendment A17 |
| 8 | Contents |
| 11 | Introduction 1 Scope 2 Normative references |
| 12 | 3 Definitions 3.1 Definitions relating to currents flowing from live parts to earth earth fault current earth leakage current pulsating direct current current delay angle ! 3.2 Definitions relating to the energization of a residual current circuit-breaker energizing quantity energizing input-quantity residual current ( residual operating current residual non-operating current 3.3 Definitions relating to the operation and to the functions of residual current circuit-breakers residual current operated circuit-breaker |
| 13 | residual current operated circuit-breaker without integral over-current protection (RCCB) residual current operated circuit-breaker with integral overcurrent protection (RCBO) RCCB’s functionally independent of line voltage RCCB’s functionally dependent on line voltage switching device mechanical switching device trip-free RCCB break time of a RCCB limiting non-actuating time time-delay RCCB closed position open position |
| 14 | pole switched neutral pole main circuit (of a RCCB) control circuit (of a RCCB) auxiliary circuit (of a RCCB) RCCB Type AC RCCB Type A test device 3.4 Definitions relating to values and ranges of energizing quantities 3.4.1 rated value 3.4.2 Non-operating overcurrents in the main circuit |
| 15 | residual short-circuit withstand current prospective current making capacity breaking capacity residual making and breaking capacity conditional short-circuit current conditional residual short-circuit current 3.4.10 Limiting values ( |
| 16 | I 3.4.12 recovery voltage 3.5 Definitions relating to values and ranges of influencing quantities influencing quantity reference value of an influencing quantity reference conditions of influencing quantities range of an influencing quantity extreme range of an influencing quantity ambient air temperature 3.6 Definitions relating to terminals terminal |
| 17 | screw-type terminal pillar terminal screw terminal stud terminal saddle terminal lug terminal screwless terminal tapping screw |
| 18 | thread forming tapping screw thread cutting tapping screw 3.7 Conditions of operation operation closing operation opening operation operating cycle sequence of operation clearance (see� creepage distance (see� 3.8 Test type test routine tests |
| 19 | 4 Classification 4.1 According to the method of operation Table Z1 Survey of the types of RCCB’s according to their method of operation 4.2 According to the type of installation 4.3 According to the number of poles and current paths 4.4 According to the possibility of adjusting the residual operating current 4.5 According to resistance to unwanted tripping due to voltage surges 4.6 According to behaviour in presence of d.c. components |
| 20 | 4.7 According to time-delay (in presence of a residual current) 4.8 According to the protection against external influences 4.9 According to the method of mounting 4.10 According to the method of connection 4.11 According to the range of ambient temperature 5 Characteristics of RCCB’s 5.1 Summary of characteristics |
| 21 | 5.2 Rated quantities and other characteristics |
| 22 | 5.3 Standard and preferred values |
| 23 | Table 1 Standard values of break time and non-actuating time |
| 24 | 5.4 Coordination with short-circuit protective devices (SCPD’s) 6 Marking and other product information 6.1 Standard marking |
| 26 | 6.2 Additional marking |
| 27 | 6.3 Guidance table for marking |
| 29 | 7 Standard conditions for operation in service and for installation 7.1 Standard conditions Table 2 Standard conditions for operation in service 7.2 Conditions of installation 8 Requirements for construction and operation 8.1 Mechanical design |
| 31 | Table 3 Clearances and creepage distances |
| 33 | Table 4 Connectable cross-sections of copper conductors for screw-type terminals |
| 34 | 8.2 Protection against electric shock 8.3 Dielectric properties 8.4 Temperature-rise |
| 35 | 8.5 Operating characteristic 8.6 Mechanical and electrical endurance 8.7 Performance at short-circuit currents 8.8 Resistance to mechanical shock and impact 8.9 Resistance to heat 8.10 Resistance to abnormal heat and to fire |
| 36 | 8.11 Test device 8.12 Requirements for RCCB’s functionally dependent on line voltage Table 6 Requirements for RCCB’s functionally dependent on line voltage 8.13 Behaviour of RCCB’s in case of overcurrents in the main circuit 8.14 Resistance of RCCB’s to unwanted tripping due to current surges caused by impulse voltages 8.15 Behaviour of RCCB’s in case of earth fault currents comprising a d.c. component |
| 37 | 8.16 Reliability 8.17 Behaviour of RCCB’s at low ambient air temperatures 9 Tests 9.1 General 9.2 Test conditions |
| 38 | Table 7 List of type tests Table 8 Test copper conductors corresponding to the rated currents |
| 39 | 9.3 Test of indelibility of marking 9.4 Test of reliability of screws, current-carrying parts and connections Table 9 Screw thread diameters and applied torques |
| 40 | 9.5 Test of reliability of terminals for external conductors Table 10 Pulling forces |
| 41 | 9.6 Verification of protection against electric shock 9.7 Test of dielectric properties |
| 43 | Table 12 Test voltage of auxiliary circuits |
| 44 | 9.8 Test of temperature-rise 9.9 Verification of the operating characteristic |
| 46 | 9.10 Verification of mechanical and electrical endurance |
| 47 | 9.11 Verification of the behaviour of the RCCB under short-circuit conditions |
| 48 | Table 14 Silver wire diameter as a function of rated current and short-circuit currents |
| 49 | Table 15 Minimum values of |
| 50 | Table 16 Power factors for short-circuit tests |
| 54 | 9.12 Verification of resistance to mechanical shock and impact |
| 56 | 9.13 Test of resistance to heat |
| 57 | 9.14 Test of resistance to abnormal heat and to fire 9.15 Verification of the trip-free mechanism |
| 58 | 9.16 Verification of the operation of the test device at the limits of rated voltage 9.17 Verification of the behaviour of RCCB’s functionally dependent on line voltage, classified u… |
| 59 | 9.18 Verification of limiting values of the non-operating current under overcurrent conditions 9.19 Verification of resistance against unwanted tripping due to current surges caused by impulse… |
| 60 | 9.20 Verification of resistance of the insulation against an impulse voltage |
| 61 | 9.21 Verification of the correct operation at residual currents with d.c. components |
| 62 | 9.22 Verification of reliability |
| 64 | 9.23 Verification of ageing 9.24 Verification of the correct operation at low ambient air temperatures for RCCB’s for use at … |
| 65 | Figure 1 Thread-forming tapping screw Figure 2 Thread-cutting tapping screw |
| 66 | Figure 3 Standard test finger |
| 68 | Figure 4b Test circuit for the verification of the correct operation of RCCB’s, in the case of residual pul… |
| 69 | Figure 4c Test circuit for the verification of the correct operation of RCCB’s, in the case of superimposed… |
| 86 | Figure 24 Test circuit for the surge current test at RCCBs |
| 87 | Figure Z3 Test cycle for low temperature test Annex A (normative) Test sequence and number of samples to be submitted for certification purposes Test sequences |
| 88 | Table A.1 Number of samples to be submitted for full test procedure |
| 89 | Table A.2 Number of samples to be submitted for simplified test procedures in case of submitting simultaneo… If a range of RCCB’s of the same fundamental design, or additions to such a range of RCCB’s are s… |
| 90 | Table A.3 For RCCB’s having the same classification according to behaviour due to d.c. components ( |
| 91 | Annex B (normative) Determination of clearances and creepage distances |
| 92 | Figure B.1 to B.6 Illustrations of the application of creepage distances |
| 93 | Annex C (normative) Arrangement for the detection of the emission of ionized gases during short-circuit t… |
| 94 | Figure C.1 Test arrangement Figure C.2 Grid |
| 95 | Figure C.3 Grid circuit Annex D (normative) Routine tests Tripping test Electric strength test Performance of the test device |
| 96 | Annex E (normative) List of tests, additional test sequences and numbers of samples for verification of c… EMC tests already included in the product standard Additional tests of EMC product family standards to be applied |
| 97 | Annex IA (informative) Methods of determination of short-circuit power-factor The formula for the d.c. component is: |
| 98 | Determine the angle �from: Annex IB (informative) Glossary of symbols Annex IC (informative) (informative) Examples of terminal designs |
| 99 | Examples of pillar terminals |
| 100 | Examples of screw terminals and stud terminals |
| 101 | Examples of saddle terminals Examples of lug terminals |
| 102 | Annex IE (informative) Follow-up testing program for RCCBs General Follow-up testing program Quarterly follow-up testing program Annual follow-up testing program Figure IE.1 Test sequences during follow-up inspections Sampling procedure |
| 104 | Table IE.2 Number of samples to be tested |
| 105 | Annex ZA (normative) Other international publications quoted in this standard with the references of the r… |
| 106 | Annex ZB (normative) Special national conditions (informative) A-deviations (informative) A-deviations |
| 107 | National annex NA (informative) Committees responsible |
