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
《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》由会员分享,可在线阅读,更多相关《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(142页珍藏版)》请在麦多课文档分享上搜索。
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
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