1、 IEC 61008-1Edition 3.0 2010-02INTERNATIONAL STANDARD NORME INTERNATIONALEResidual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) Part 1: General rules Interrupteurs automatiques courant diffrentiel rsiduel sans dispositif de protecti
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17、 circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) Part 1: General rules Interrupteurs automatiques courant diffrentiel rsiduel sans dispositif de protection contre les surintensits incorpor pour usages domestiques et analogues (ID) Partie 1: Rgles gnral
18、es INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XFICS 29.120.50 PRICE CODECODE PRIXISBN 2-8318-1078-6 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 61008-1 IEC:2010 CONTENT
19、S FOREWORD.8 INTRODUCTION.10 1 Scope.11 2 Normative references .12 3 Terms and definitions .13 3.1 Definitions relating to currents flowing from live parts to earth .13 3.2 Definitions relating to the energization of a residual current circuit-breaker .13 3.3 Definitions relating to the operation an
20、d functions of residual current circuit-breakers14 3.4 Definitions relating to values and ranges of energizing quantities 16 3.5 Definitions relating to values and ranges of influencing quantities .18 3.6 Definitions relating to terminals .19 3.7 Definitions relating to conditions of operation 20 3.
21、8 Definitions relating to tests 21 3.9 Definitions relating to insulation coordination.21 4 Classification23 4.1 According to the method of operation 23 4.1.1 RCCB functionally independent of line voltage (see 3.3.4).23 4.1.2 RCCB functionally dependent on line voltage (see 3.3.5).23 4.2 According t
22、o the type of installation.23 4.3 According to the number of poles and current paths 23 4.4 According to the possibility of adjusting the residual operating current 23 4.5 According to resistance to unwanted tripping due to voltage surges 23 4.6 According to behaviour in presence of d.c. components
23、23 4.7 According to time-delay (in presence of a residual current) .24 4.8 According to the protection against external influences .24 4.9 According to the method of mounting 24 4.10 According to the method of connection24 5 Characteristics of RCCBs .24 5.1 Summary of characteristics .24 5.2 Rated q
24、uantities and other characteristics .25 5.2.1 Rated voltage (Un) 25 5.2.2 Rated current (In) 25 5.2.3 Rated residual operating current (In)25 5.2.4 Rated residual non-operating current (Ino).25 5.2.5 Rated frequency 25 5.2.6 Rated making and breaking capacity (Im) 25 5.2.7 Rated residual making and
25、breaking capacity (Im) .26 5.2.8 RCCB type S .26 5.2.9 Operating characteristics in case of residual currents with d.c. components.26 5.3 Standard and preferred values 26 5.3.1 Preferred values of rated voltage (Un) .26 5.3.2 Preferred values of rated current (In).27 5.3.3 Standard values of rated r
26、esidual operating current (In).27 5.3.4 Standard value of residual non-operating current (Ino).27 61008-1 IEC:2010 3 5.3.5 Standard minimum value of non-operating overcurrent in case of a multiphase balanced load through a multipole RCCB (see 3.4.2.1) 27 5.3.6 Standard minimum value of the non-opera
27、ting overcurrent in case of a single-phase load through a three-pole or four-pole RCCB (see 3.4.2.2)27 5.3.7 Preferred values of rated frequency.27 5.3.8 Minimum value of the rated making and breaking capacity (Im) .27 5.3.9 Minimum value of the rated residual making and breaking capacity (Im)28 5.3
28、.10 Standard and preferred values of the rated conditional short-circuit current (Inc).28 5.3.11 Standard values of the rated conditional residual short-circuit current (Ic).28 5.3.12 Limit values of break time and non-actuating time for RCCB of type AC and A.28 5.3.13 Standard value of rated impuls
29、e withstand voltage (Uimp).29 5.4 Coordination with short-circuit protective devices (SCPDs)30 5.4.1 General .30 5.4.2 Rated conditional short-circuit current (Inc) .30 5.4.3 Rated conditional residual short-circuit current (Ic) 30 6 Marking and other product information30 7 Standard conditions for
30、operation in service and for installation32 7.1 Standard conditions.32 7.2 Conditions of installation .33 7.3 Pollution degree 33 8 Requirements for construction and operation33 8.1 Mechanical design.33 8.1.1 General .33 8.1.2 Mechanism 33 8.1.3 Clearances and creepage distances (see Annex B) .35 8.
31、1.4 Screws, current-carrying parts and connections.37 8.1.5 Terminals for external conductors38 8.2 Protection against electric shock .40 8.3 Dielectric properties and isolating capability 40 8.4 Temperature-rise.41 8.4.1 Temperature-rise limits41 8.4.2 Ambient air temperature 41 8.5 Operating chara
32、cteristic 41 8.6 Mechanical and electrical endurance.41 8.7 Performance at short-circuit currents.41 8.8 Resistance to mechanical shock and impact42 8.9 Resistance to heat 42 8.10 Resistance to abnormal heat and to fire 42 8.11 Test device42 8.12 Requirements for RCCBs functionally dependent on line
33、 voltage.42 8.13 Behaviour of RCCBs in case of overcurrents in the main circuit.43 8.14 Behaviour of RCCBs in the case of current surges caused by impulse voltages 43 8.15 Behaviour of RCCBs in case of earth fault currents comprising a d.c. component 43 4 61008-1 IEC:2010 8.16 Reliability 43 8.17 El
34、ectromagnetic compatibility (EMC) .43 9 Tests 43 9.1 General .43 9.2 Test conditions44 9.3 Test of indelibility of marking.45 9.4 Test of reliability of screws, current-carrying parts and connections 46 9.5 Test of reliability of terminals for external conductors 47 9.6 Verification of protection ag
35、ainst electric shock .48 9.7 Test of dielectric properties .49 9.7.1 Resistance to humidity 49 9.7.2 Insulation resistance of the main circuit .49 9.7.3 Dielectric strength of the main circuit.50 9.7.4 Insulation resistance and dielectric strength of auxiliary circuits 51 9.7.5 Secondary circuit of
36、detection transformers .51 9.7.6 Capability of control circuits connected to the main circuit withstanding high d.c. voltages due to insulation measurements51 9.7.7 Verification of impulse withstand voltages (across clearances and across solid insulation) and of leakage current across open contacts
37、52 9.8 Test of temperature-rise 54 9.8.1 Ambient air temperature 54 9.8.2 Test procedure 54 9.8.3 Measurement of the temperature of parts 54 9.8.4 Temperature rise of a part .55 9.9 Verification of the operating characteristic .55 9.9.1 Test circuit 55 9.9.2 Off-load tests with residual sinusoidal a
38、lternating currents at the reference temperature of 20 C 5 C.55 9.9.3 Verification of the correct operation with load at the reference temperature.56 9.9.4 Tests at the temperature limits 56 9.9.5 Particular test conditions for RCCBs functionally dependent on line voltage 57 9.10 Verification of mec
39、hanical and electrical endurance 57 9.10.1 General test conditions57 9.10.2 Test procedure 57 9.10.3 Condition of the RCCB after test58 9.11 Verification of the behaviour of the RCCB under short-circuit conditions58 9.11.1 List of the short-circuit tests.58 9.11.2 Short-circuit tests 58 9.12 Verific
40、ation of resistance to mechanical shock and impact.67 9.12.1 Mechanical shock 67 9.12.2 Mechanical impact.67 9.13 Test of resistance to heat 70 9.14 Test of resistance to abnormal heat and to fire71 9.15 Verification of the trip-free mechanism 71 9.15.1 General test conditions71 9.15.2 Test procedur
41、e 71 9.16 Verification of the operation of the test device at the limits of rated voltage .72 61008-1 IEC:2010 5 9.17 Verification of the behaviour of RCCBs functionally dependent on line voltage, classified under 4.1.2.1, in case of failure of the line voltage72 9.17.1 Determination of the limiting
42、 value of the line voltage (Ux).72 9.17.2 Verification of the automatic opening in case of failure of the line voltage 73 9.17.3 Verification of the correct operation, in presence of a residual current, for RCCBs opening with delay in case of failure of the line voltage 73 9.17.4 Verification of the
43、 correct operation of RCCBs with three or four current paths, with a residual current, one line terminal only being energized 73 9.17.5 Verification of the reclosing function of automatically reclosing RCCBs 73 9.18 Verification of limiting values of the non-operating current under overcurrent condi
44、tions73 9.18.1 Verification of the limiting value of overcurrent in case of a load through an RCCB with two current paths .73 9.18.2 Verification of the limiting value of overcurrent in case of a single phase load through a three-pole or four-pole RCCB.74 9.19 Verification of behaviour of RCCBs in c
45、ase of current surges caused by impulse voltages .74 9.19.1 Current surge test for all RCCBs (0,5 s/100 kHz ring wave test) 74 9.19.2 Verification of behaviour at surge currents up to 3 000 A (8/20 s surge current test) .75 9.20 Verification of resistance of the insulation against an impulse voltage
46、 .75 9.21 Verification of correct operation of residual currents with d.c. components 76 9.21.1 Type A residual current devices.76 9.22 Verification of reliability .77 9.22.1 Climatic test 77 9.22.2 Test with temperature of 40 C 79 9.23 Verification of ageing of electronic components.80 9.24 Electro
47、magnetic compatibility (EMC) .80 Annex A (normative) Test sequence and number of samples to be submitted for certification purposes 107 Annex B (normative) Determination of clearances and creepage distances113 Annex C (normative) Arrangement for the detection of the emission of ionized gases during
48、short-circuit tests .115 Annex D (normative) Routine tests.118 Annex E (informative) Void 119 Annex IA (informative) Methods for determination of short-circuit power-factor 120 Annex IB (informative) Glossary of symbols .121 Annex IC (informative) Examples of terminal designs.122 Annex ID (informati
49、ve) Correspondence between ISO and AWG copper conductors 125 Annex IE (informative) Follow-up testing program for RCCBs 126 Annex IF (informative) SCPDs for short-circuit tests 130 Bibliography132 Figure 1 Thread forming tapping screw (3.6.10) .80 Figure 2 Thread cutting tapping screw (3.6.11) 81 Figure 3 Standard test finger (9.6) .82 6 61008-1 IEC:2010 Figure 4 Test circuit for the verification of operating characte
