GB 16916.1-2014 English PDF (GB16916.1-2014)

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GB 16916.1-2014: [GB/T 16916.1-2014] Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB) -- Part 1: General rules
GB 16916.1-2014
GB
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.120.50
K 31
Replacing GB 16916.1-2003
Residual current operated circuit-breakers without
integral overcurrent protection for household and
similar uses (RCCB) - Part 1. General rules
(IEC 61008-1.2002, MOD)
ISSUED ON. MAY 06, 2014
IMPLEMENTED ON. JUNE 29, 2015
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the PRC.
Table of contents
Foreword ... 6 
1 Scope ... 11 
2 Normative references ... 13 
3 Terms and definitions ... 14 
3.1 Definition of flowing from the live parts into the earth current ... 14 
3.2 Definition relating to the excitation of residual current circuit breaker ... 15 
3.3 Definition relating to the operation and functions of residual current circuit-breakers
... 16 
3.4 Definitions relating to the values and ranges of energizing quantities ... 19 
3.5 Definitions relating to the values and ranges of influencing quantities ... 23 
3.6 Definitions relating to terminals ... 24 
3.7 Conditions of operation ... 27 
3.8 Definitions relating to test ... 28 
3.9 Definitions relating to insulation coordination ... 28 
4 Classification ... 30 
4.1 In accordance with the method of operation ... 31 
4.2 In accordance with the type of installation ... 31 
4.3 In accordance with the number of poles and current paths ... 31 
4.4 In accordance with the possibility of adjusting the residual operating current ... 32 
4.5 In accordance with resistance to unwanted tripping due to voltage surge ... 32 
4.6 In accordance with the behavior in presence of DC components ... 32 
4.7 In accordance with time-delay (in presence of a residual current) ... 33 
4.8 In accordance with the protection against external influences ... 33 
4.9 In accordance with the method of mounting ... 33 
4.10 In accordance with the method of connection ... 33 
4.11 In accordance with the type of terminal ... 34 
5 RCCB characteristics ... 34 
5.1 Summary of characteristics ... 34 
5.2 Rated quantities and other characteristics ... 35 
5.3 Standard and preferred values ... 37 
5.4 Coordination with short-circuit protective device (SCPD) ... 41 
6 Marking and other product information ... 42 
7 Standard conditions for operation in service and for installation ... 45 
7.1 Standard conditions ... 45 
7.2 Conditions of installation ... 46 
7.3 Pollution degree ... 46 
8 Requirements for construction and operation ... 46 
8.1 Mechanical design ... 46 
8.2 Protection against electric shock ... 56 
8.3 Dielectric properties and isolation capacity ... 57 
8.4 Temperature-rise ... 57 
8.5 Operating characteristics ... 58 
8.6 Mechanical and electrical endurance ... 58 
8.7 Performance at short-circuit current ... 58 
8.8 Resistance to mechanical shock and impact ... 58 
8.9 Heat resistance ... 58 
8.10 resistance to abnormal heat and to fire ... 59 
8.11 Test device ... 59 
8.12 Technical requirements for RCCBs functionally dependent on supply voltage ... 59 
8.13 Behavior of RCCBs in case of overcurrent in the main circuit ... 60 
8.14 Behavior of RCCBs in the case of current surges caused by impulse voltages ... 60 
8.15 Behavior of RCCBs in case of earth fault currents comprising a DC component . 60 
8.16 Reliability ... 61 
8.17 Electromagnetic compatibility (EMC) ... 61 
9 Test ... 61 
9.1 General ... 61 
9.2 Test conditions ... 62 
9.3 Test of indelibility of marking ... 63 
9.4 Test of reliability of screws, current-carrying parts and connections ... 64 
9.5 Test of reliability of screw-type terminals for external conductors ... 65 
9.6 Verification of protection against electric shock ... 67 
9.7 Test of dielectric properties ... 68 
9.8 Test of temperature-rise ... 78 
9.9 Verification of the operating characteristics ... 79 
9.10 Verification of mechanical and electrical endurance ... 83 
9.11 Verification of the behavior of the RCCB under short-circuit conditions ... 84 
9.12 Verification of resistance to mechanical shock and impact ... 96 
9.13 Test of resistance to heat... 101 
9.14 Test of resistance to abnormal heat and to fire ... 102 
9.15 Verification of trip-free mechanism... 103 
9.16 Verification of the operation of the test device at the limits of rated voltage ... 104 
9.17 Verification of behavior of RCCBs functionally dependent on supply voltage,
classified under 4.1.2, in case of failure of the supply voltage ... 104 
9.18 Verification of limiting values of the non-operating current under overcurrent
conditions ... 106 
9.19 Verification of behavior of RCCBs in case of current surges caused by impulse
voltages ... 107 
9.20 None ... 109 
9.21 Verification of the correct operation at residual currents with DC components ... 109 
9.22 Verification of reliability ...