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    SANS 62335-2009 Circuit breakers - Switched protective earth portable residual current devices for class I and battery powered vehicle applications《断路器 I级绝缘车辆和蓄电池车辆设施用便携式剩余电流装置的开关保.pdf

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    SANS 62335-2009 Circuit breakers - Switched protective earth portable residual current devices for class I and battery powered vehicle applications《断路器 I级绝缘车辆和蓄电池车辆设施用便携式剩余电流装置的开关保.pdf

    1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

    2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

    3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22815-6 SANS 62335:2009Edition 1IEC 62335:2008Edition 1SOUTH AFRICAN NATIONAL STANDARD Circuit breakers Switched protective earth portable

    4、 residual current devices for class I and battery powered vehicle applications This national standard is the identical implementation of IEC 62335:2008 and is adopted with the permission of the International Electrotechnical Commission. Published by SABS Standards Division 1 Dr Lategan Road Groenklo

    5、of Private Bag X191 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 62335:2009 Edition 1 IEC 62335:2008 Edition 1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee SABS SC 67B, Electricity distribut

    6、ion systems and components Low-voltage switchgear, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in June 2009. IEC 62335Edition 1.0 2008-07INTERNATIONAL STANDARD NORME INTERNATIONALECircuit breakers

    7、 Switched protective earth portable residual current devices for class I and battery powered vehicle applications Disjoncteurs Dispositifs diffrentiels mobiles avec sectionnement du conducteur de protection incorpor Destins aux matriels de classe I des vhicules lectriques batteries INTERNATIONAL ELE

    8、CTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XFICS 29.120.50 PRICE CODECODE PRIXISBN 2-8318-9876-5 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale SANS 62335:2009This s tandard may only be used

    9、 and printed by approved subscription and freemailing clients of the SABS . 2 62335 IEC:2008 CONTENTS FOREWORD.8 1 Scope.10 2 Normative references .11 3 Terms and definitions .12 3.1 Definitions relating to plugs and socket-outlets12 3.2 Definitions relating to residual current devices.14 3.2.1 Defi

    10、nitions relating to currents flowing from live parts to earth .14 3.2.2 Definitions relating to the energization of a residual current device (RCD)15 3.2.3 Definitions relating to the operation and to the functions of a residual current device16 3.2.4 Definitions relating to values and ranges of ene

    11、rgizing quantities 17 3.2.5 Definitions relating to values and ranges of influencing quantities19 3.2.6 Conditions of operation20 3.3 Definitions relating to tests 20 4 Classification20 4.1 According to the supply .20 4.2 According to the method of operation 20 4.3 According to the construction 21 4

    12、.4 According to the ambient temperature .21 4.5 According to the method of connecting the cable.21 5 Characteristics of SPE-PRCDs .21 5.1 Summary of characteristics .21 5.2 Rated quantities and other characteristics .21 5.2.1 Rated voltage (Un) 21 5.2.2 Rated current (In) 22 5.2.3 Rated residual ope

    13、rating current (In) .22 5.2.4 Rated residual non-operating current (Ino) 22 5.2.5 Rated frequency 22 5.2.6 Rated making and breaking capacity (Im) 22 5.2.7 Rated residual making and breaking capacity (Im).22 5.2.8 Operating characteristics in case of residual currents comprising a d.c. component22 5

    14、.2.9 Insulation coordination including creepage distances and clearances 22 5.3 Standard and preferred values 22 5.3.1 Preferred values of rated voltage (Un) .22 5.3.2 Standard values of rated current (In) .23 5.3.3 Standard values of rated residual operating current (In) 23 5.3.4 Standard value of

    15、rated residual non-operating current (Ino) .23 5.3.5 Standard minimum value of the non-operating overcurrent through the SPE-PRCD 23 5.3.6 Preferred values of rated frequency.23 5.3.7 Minimum value of the rated making and breaking capacity (Im) .23 5.3.8 Minimum value of the rated residual making an

    16、d breaking capacity (Im) .23 5.3.9 Standard value of the rated conditional short-circuit current (Inc) 24 SANS 62335:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .62335 IEC:2008 3 5.3.10 Standard value of the rated conditional residual

    17、short-circuit current (Ic) 24 5.3.11 Standard values of break time .24 5.4 Coordination with short-circuit protective devices (SCPDs)24 5.4.1 General .24 5.4.2 Rated conditional short-circuit current (Inc) .24 5.4.3 Rated conditional residual short-circuit current (Ic)24 6 Marking and other product

    18、information24 7 Standard conditions for operation in service and for installation27 7.1 Standard conditions.27 7.2 Conditions for installations 27 8 Requirements for construction and operation27 8.1 Mechanical design.27 8.1.1 Plug part28 8.1.2 Mechanism 32 8.1.3 Clearances and creepage distances (se

    19、e Annex C) .34 8.1.4 Screws, current-carrying parts and connections.36 8.1.5 Terminals for external conductors for rewirable SPE-PRCDs .37 8.1.6 Terminations for non-rewirable SPE-PRCDs39 8.2 Protection against electric shock .40 8.2.1 Requirements relating to plugs, whether incorporated or not in i

    20、ntegral items.40 8.3 Dielectric properties 41 8.4 Temperature rise.41 8.4.1 Temperature rise limits 41 8.4.2 Ambient air temperature 41 8.5 Operating characteristics.42 8.6 Mechanical and electrical endurance.42 8.7 Performance at short-circuit currents.42 8.8 Resistance to mechanical shock and impa

    21、ct42 8.9 Resistance to heat 42 8.10 Resistance to abnormal heat and to fire 42 8.11 Test device42 8.12 Limits of the operating voltages.43 8.12.1 Operation with supply failure and hazardous live PE conditions.43 8.12.2 Verification of a standing current in the PE in normal service.43 8.13 Resistance

    22、 of SPE-PRCDs against unwanted tripping due to surge currents to earth resulting from impulse voltages 43 8.14 Behaviour of SPE-PRCDs in case of an earth fault current comprising a d.c. component 43 8.15 Reliability 43 8.16 Resistance to tracking .43 8.17 Electromagnetic compatibility (EMC) .43 8.18

    23、 Behaviour of the SPE-PRCD at low ambient air temperature .44 9 Tests 44 9.1 General .44 9.2 Test conditions46 9.3 Test of indelibility of marking.46 9.4 Test of reliability of screws, current-carrying parts and connections 47 SANS 62335:2009This s tandard may only be used and printed by approved su

    24、bscription and freemailing clients of the SABS . 4 62335 IEC:2008 9.5 Test of reliability of terminals for external conductors 48 9.6 Verification of protection against electric shock .49 9.7 Test of dielectric properties .50 9.7.1 Resistance to humidity 50 9.7.2 Insulation resistance of the main ci

    25、rcuit .51 9.7.3 Dielectric strength of the main circuit.52 9.7.4 Secondary circuit of detection transformers .52 9.8 Temperature-rise test 52 9.8.1 Test conditions 52 9.8.2 Test procedure 52 9.8.3 Measurement of the temperature rise of different parts53 9.8.4 Temperature rise of a part .53 9.9 Verif

    26、ication of the operating characteristic .53 9.9.1 Test circuit 53 9.9.2 Off-load tests with residual sinusoidal alternating currents at the reference temperature of (20 2) C .53 9.9.3 Verification of the correct operation with load at the reference temperature.55 9.9.4 Tests at the temperature limit

    27、s 55 9.9.5 Test conditions for SPE-PRCDs.56 9.10 Verification of mechanical and electrical endurance 60 9.10.1 Normal operation of plugs of the SPE-PRCD .60 9.10.2 Test of the RCD part of the SPE-PRCD .61 9.11 Verification of the behaviour of the SPE-PRCD under overcurrent conditions 62 9.11.1 List

    28、of the overcurrent tests .62 9.11.2 Short-circuit tests 62 9.11.3 Verification of the making and breaking capacity of the plug of the SPE-PRCD 67 9.12 Verification of resistance to mechanical shock and impact.67 9.13 Test of resistance to heat 70 9.14 Resistance of insulating material to abnormal he

    29、at and to fire .71 9.14.1 Glow-wire test .71 9.15 Verification of the trip-free mechanism 72 9.15.1 General test conditions72 9.15.2 Test procedure 73 9.16 Verification of the test device 73 9.16.1 Verification of the operation of the test device .73 9.16.2 Verification of the ampere-turns.73 9.17 V

    30、erification of the behaviour of SPE-PRCDs in case of failure of the line voltage 73 9.17.1 SPE-PRCDs classified under 4.2 .73 9.18 Verification of limiting values of the non-operating current under overcurrent conditions75 9.19 Verification of resistance against unwanted tripping due to surge curren

    31、ts to earth resulting from impulse voltages for SPE-PRCDs.75 9.20 Verification of the resistance of the insulation against an impulse voltage .75 9.21 Verification of the correct operation with residual currents having a d.c. component 76 9.21.1 Verification of the correct operation in case of a con

    32、tinuous rise of a residual pulsating direct current.76 SANS 62335:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .62335 IEC:2008 5 9.21.2 Verification of the correct operation in case of suddenly appearing residual pulsating direct curren

    33、ts .77 9.21.3 Verification at the reference temperature of the correct operation with load .77 9.21.4 Verification of the correct operation in case of residual pulsating direct currents superimposed by a smooth direct current of 0,006 A 77 9.22 Verification of reliability .77 9.22.1 Climatic test 78

    34、 9.22.2 Test at a temperature of 40 C.79 9.23 Verification of ageing.80 9.24 Resistance to tracking .80 9.25 Test on pins provided with insulating sleevess 81 9.26 Test of mechanical strength of non-solid pins of plugs and portable socket-outlets .81 9.27 Verification of the effects of strain on the

    35、 conductors 81 9.28 Checking of the torque exerted by plug-in SPE-PRCDs on fixed socket-outlets .81 9.29 Tests of the cord anchorage 81 9.30 Flexing test of non-rewirable SPE-PRCDs .83 9.31 Verification of the electromagnetic compatibility (EMC) .84 9.32 Tests replacing verifications of creepage dis

    36、tances and clearances for electronic circuits connected between active conductors (phases and neutral) and/or between active conductors and the earth circuit when the contacts are in the closed position.84 9.33 Requirements for capacitors and specific resistors and inductors used in electronic circu

    37、its connected between active conductors (phases and neutral) and/or between active conductors and the earth circuit when the contacts are in the closed position.85 9.33.1 Capacitors.85 9.33.2 Resistors and inductors .85 Annex A (normative) Test sequences and number of samples to be submitted for ver

    38、ification of conformity to this standard120 Annex B (normative) Routine tests.125 Annex C (normative) Determination of clearances and creepage distances127 Annex D (normative) List of tests, additional test sequences and numbers of samples for verification of compliance of SPE-PRCDs with the require

    39、ments of electromagnetic compatibility (EMC). 130 Annex E (informative) SPE application.132 Bibliography138 Figure 1 Test circuit for the verification of operating characteristic (9.9.2), trip-free mechanism (9.15) and reduced supply voltage (9.17.1.1)88 Figure 2 Test circuit for the verification of

    40、 correct operating characteristics (9.9.5.1.5) 89 Figure 3 Verification of correct operation for hazardous live PE (see Table 14)90 Figure 4 Verification of temperature rise of the PE .91 Figure 5 Verification of open neutral for LNSE types, and open line for LLSE types .92 Figure 6 Verification of

    41、open PE.93 Figure 7 Verification of a standing current in the PE in normal service .94 Figure 8 Test circuit for the verification of the making and breaking capacity and the short circuit coordination with a SCPD (see 9.11.2 ) .96 SANS 62335:2009This s tandard may only be used and printed by approve

    42、d subscription and freemailing clients of the SABS . 6 62335 IEC:2008 Figure 9 Standard test finger97 Figure 10 Gauge for checking non-accessibility of live parts through shutters and of live parts of socket-outlets with increased protection 98 Figure 11 Test circuit for the verification of the corr

    43、ect operation in the case of residual pulsating direct currents (see 9.21.1).100 Figure 12 Test circuit for the verification of the correct operation in the case of residual pulsating direct currents superimposed by a smooth direct current (see 9.21.4).102 Figure 13 Example of apparatus for breaking

    44、 capacity and normal operation tests (see 9.10.1) 103 Figure 14 Circuit diagrams for breaking capacity and normal operation tests (see 9.10.1 and 9.11.3) 104 Figure 15 Gauge for checking non-accessibility of live parts of socket-outlets, through shutters, after normal operation test .105 Figure 16 T

    45、umbling barrel 106 Figure 17 Arrangement for compression test106 Figure 18 Apparatus for abrasion test on insulating sleeves of plug pins107 Figure 19 Ball-pressure test apparatus 107 Figure 20 Apparatus for testing resistance to abnormal heat of insulating sleeves of plug pins.108 Figure 21 Arrange

    46、ment and dimensions of the electrodes for the tracking test .108 Figure 22 Apparatus for testing the cord retention109 Figure 23 Apparatus for flexing test .110 Figure 24 Arrangement for mechanical strength test on SPE-PRCDs provided with cords (9.12.4) .111 Figure 25 Test apparatus for the verifica

    47、tion of the minimum I2t and Ipvalues to be withstood by the SPE-PRCD (9.11.2.1 a).112 Figure 26 Stabilizing period for reliability test (9.22.1.3).113 Figure 27 Reliability test cycle (9.22.1.3) .114 Figure 28 Example for test circuit for verification of ageing of electronic components (9.23)115 Fig

    48、ure 29 Current ring wave 0,5 s/100 kHz 116 Figure 30 Example of test circuit for the verification of resistance to unwanted tripping .116 Figure 31 Minimum creepage distances and clearances as a function of peak value of voltage (see 9.32.2 a)117 Figure 32 Minimum creepage distances and clearances a

    49、s a function of peak value of operating voltage (see 9.32.2 a) 118 Figure 33 Test cycle for low temperature test.119 Figure C.1 Illustrations of the application of creepage distances .128 Figure C.2 Illustrations of the application of creepage distances 129 Figure E.1 Examples of incorrect supply wirings for LLSE types 135 Figure E.2 Examples of incorrect supply wirings for LNSE types 136 Figure E.3 Examples of supply systems for TN and TT installations


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