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BS EN 62606:2013:2014 Edition

BS EN 62606:2013:2014 Edition

$215.11

General requirements for arc fault detection devices

Published By Publication Date Number of Pages
BSI 2014 168
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IEC 62606:2013 applies to arc fault detection devices (AFDD) for household and similar uses in a.c. circuits. An AFDD is designed by the manufacturer: – either as a single device having opening means able to open the protected circuit in specified conditions; or – as a single device integrating a protective device; or – as a separate unit, according to Annex D assembled on site with a declared protective device. The contents of the corrigendum of November 2013 have been included in this copy.

PDF Catalog

PDF Pages PDF Title
5 1 Modification to Clause 1
2 Modification to 4.3
3 Modification to 5.3.1
4 Modification to 5.3.3
5 Modification to 5.3.6.2
6 Modification to 5.3.7.1
7 Modification to 5.3.7.2
8 Modification to 5.4
9 Modification to 8.2.3
10 Modification to 9.7.7.2
11 Modification to 9.7.7.4.1
6 12 Modification to 9.9.1
13 Modification to 9.9.3.2
14 Modification to 9.9.4.2
15 Modification to 9.9.4.2 a)
16 Modification to 9.9.4.2 b)
17 Modification to 9.9.4.2 c)
18 Modification to 9.9.4.2 d)
19 Modification to 9.9.4.2 g)
20 Modification to 9.9.4.3
21 Modification to 9.9.4.4
22 Modification to 9.9.5.4 a)
23 Modification to 9.9.5.4 b)
24 Modification to 9.9.5.4 c)
25 Modification to 9.9.5.4 d)
Untitled
7 26 Modification to Figure 13
27 Modification to E.2
9 English
CONTENTS
16 INTRODUCTION
17 1 Scope
18 2 Normative references
19 3 Terms and definitions
22 4 Classification
4.1 According to the method of construction
4.2 According to the method of mounting and connection
4.3 According to the number of poles and current paths
4.4 AFDD providing monitoring information
5 Characteristics of AFDDs
5.1 Summary of characteristics and conditions to mitigate the risk of fire
23 5.2 Rated quantities and other characteristics
5.2.1 Rated voltage
5.2.2 Rated current (In)
5.2.3 Rated frequency
5.2.4 Rated making and breaking capacity (Im)
24 5.2.5 Rated making and breaking capacity on one pole (Im1)
5.3 Standard and preferred values
5.3.1 Preferred values of rated voltage (Un)
5.3.2 Preferred values of rated current (In)
5.3.3 Preferred values of rated frequency
5.3.4 Minimum value of the rated making and breaking capacity (Im)
5.3.5 Minimum value of the rated making and breaking capacity on one pole (Im1)
5.3.6 Standard and preferred values of the rated conditional short-circuit current (Inc) and standard and preferred values of the rated conditional short circuit current for one pole (Inc1)
25 5.3.7 Limiting values of operating criteria for AFDDs for low and high arc currents
Tables
Table 1 – Limit values of break time for Un = 230 V AFDDs
Table 2 – Limit values of break time for Un = 120 V AFDDs
Table 3 – Maximum allowed number of arcing half-cycles within 0,5 sfor Un 230 V AFDDs and Un = 120 V AFDDs
26 5.4 Standard value of rated impulse withstand voltage (Uimp)
5.5 Coordination with short-circuit protective devices (SCPDs)
5.5.1 General
5.5.2 Rated conditional short-circuit current (Inc) and rated conditional short-circuit on one pole (Inc1)
5.5.3 Operating characteristics of opening means for AFDDs according to 4.1.1
Table 4 – Rated impulse withstand voltage as a function of the nominal voltage of the installation
27 6 Marking and other product information
6.1 Marking
Table 5 – Marking and position of marking
29 6.2 Additional marking for AFDDs according to 4.1.1
6.2.1 Marking of AFDDs
6.2.2 Instructions for wiring and operation
30 7 Standard conditions for operation in service and for installation
7.1 Standard conditions
7.2 Conditions of installation
7.3 Pollution degree
Table 6 – Standard conditions for operation in service
31 8 Requirements for construction and operation
8.1 General
8.2 Mechanical design
8.2.1 General
32 8.2.2 Mechanism
33 8.2.3 Clearances and creepage distances (see Annex B)
34 Table 7 – Minimum clearances and creepage distances (1 of 2)
36 8.2.4 Screws, current-carrying parts and connections
8.2.5 Terminals for external conductors
37 Table 8 – Connectable cross-sections of copper conductors for screw-type terminals
38 8.3 Protection against electric shock
39 8.4 Dielectric properties and isolating capability
8.5 Temperature rise
8.5.1 Temperature-rise limits
40 8.5.2 Ambient air temperature
8.6 Operating characteristics
8.6.1 Operating characteristics of the protective device part
8.6.2 Operating characteristics
Table 9 – Temperature-rise values
41 8.7 Mechanical and electrical endurance
8.8 Performance at short-circuits currents
8.9 Resistance to mechanical shock and impact
8.10 Resistance to heat
8.11 Resistance to abnormal heat and to fire
8.12 Behaviour of AFDDs in case of overcurrents in the main circuit
42 8.13 Behaviour of AFDDs in case of current surges caused by impulse voltages
8.14 Reliability
8.15 Electromagnetic compatibility (EMC)
8.16 Masking test for correct operation behaviour in presence of various appliances connected to the load side
8.17 Performance of the AFD test device
43 9 Testing procedure
9.1 General
9.1.1 General testing procedure for the different type of AFDDs
9.1.2 The characteristics of AFDDs are checked by means of type tests
44 9.1.3 For certification purposes, type tests are carried out in test sequences.
9.1.4 Routine tests to be carried out by the manufacturer on each device
9.2 Test conditions
Table 10 – List of type tests
45 9.3 Test of indelibility of marking
Table 11 – Test copper conductors corresponding to the rated currents
46 9.4 Test of reliability of screws, current-carrying parts and connections
Table 12 – Screw thread diameters and applied torques
47 9.5 Test of reliability of terminals for external conductors
Table 13 – Pulling forces
48 9.6 Verification of protection against electric shock
49 9.7 Test of dielectric properties
9.7.1 General
9.7.2 Resistance to humidity
9.7.3 Insulation resistance of the main circuit
50 9.7.4 Dielectric strength of the main circuit
51 9.7.5 Insulation resistance and dielectric strength of auxiliary circuits
9.7.6 Capability of control circuits connected to the main circuit in respect of withstanding high d.c. voltages due to insulation measurements
Table 14 – Test voltage of auxiliary circuits
52 9.7.7 Verification of impulse withstand voltages (across clearances and across solid insulation) and of leakage current across open contacts
53 Table 15 – Test voltage for verification of impulse withstand voltage
54 Table 16 – Test voltage for verifying the suitability for isolation, referred to the rated impulse withstand voltage of the AFDD and the altitude where the test is carried out
55 9.8 Test of temperature-rise
9.8.1 Ambient air temperature
56 9.8.2 Test procedure
9.8.3 Measurement of the temperature of parts
9.8.4 Temperature-rise of a part
9.9 Verification of the operating characteristics
9.9.1 General
9.9.2 Series arc fault tests
59 9.9.3 Parallel arc fault tests
61 9.9.4 Masking test, verification of correct operation
62 9.9.5 Unwanted tripping test
63 9.10 Verification of mechanical and electrical endurance
9.10.1 General test conditions
64 9.10.2 Test procedure
9.10.3 Condition of the AFDD after test
9.11 Verification of the behaviour of the AFDD under short-circuit conditions
9.11.1 General
65 9.11.2 Short-circuit tests for AFDDs according to 4.1.1
66 Table 17 – Tests to be made to verify the behaviour of AFDDsunder short-circuit conditions
67 Table 18 – Minimum values of l2t and lp
68 Table 19 – Power factors for short-circuit tests
73 9.12 Verification of resistance to mechanical shock and impact
9.12.1 Mechanical shock
9.12.2 Mechanical impact
76 9.13 Test of resistance to heat
77 9.14 Test of resistance to abnormal heat and to fire
78 9.15 Verification of the trip-free mechanism
9.15.1 General test conditions
9.15.2 Test procedure
9.16 Test of resistance to rusting
9.17 Verification of limiting values of the non-operating current under overcurrent conditions
79 9.18 Verification of behaviour of AFDDs in case of current surges caused by impulse voltages
9.18.1 General
9.18.2 Verification of behaviour at surge currents up to 3 000 A (8/20 μs surge current test)
9.19 Verification of reliability
9.19.1 General
80 9.19.2 Climatic test
81 9.19.3 Test with temperature of 40 °C
82 9.20 Verification of ageing of electronic components
9.21 Electromagnetic compatibility (EMC)
9.21.1 General
9.21.2 EMC tests covered by other clauses of the present standard
9.21.3 EMC tests to be performed
Table 20 – Tests already covered in this standard
83 Table 21 – Tests to be applied for EMC
84 9.21.4 AFDDs Performance criteria
85 9.22 Verification of protection due to overvoltage due to a broken neutral in a three phase system
Figures
Figure 1 – Thread forming tapping screw
Figure 2 – Thread cutting tapping screw
86 Figure 3 – Standard test finger (9.6)
87 Figure 4 – Test circuit for series arc fault tests
Figure 5 – Arc generator
Figure 6 – Test circuit for parallel arc fault tests
Figure 7 – Test circuit for parallel arc cable cutting test
88 Figure 8 – Test apparatus
Figure 9 – Test for verification of correct operation in case of parallel arc to ground
Figure 10 – Test circuit for masking tests (inhibition and disturbing loads)
89 Figure 11 – Test configuration for masking tests
Figure 12 – EMI filter 1 for masking tests
90 Figure 13 – EMI filter 2 for masking tests
Figure 14 – EMI filter description installed in Figure 13
Figure 15 – Test circuit for masking tests with line impedance
91 Figure 16 – Cross talk test
Figure 17 – Controlled current test circuit
92 Figure 18 – Controlled current with delay angle 45 °, 90 ° and 135 °
93 Figure 19 – Short circuit test
94 Figure 20 – Typical diagram for short circuit tests ((9.11.2.4c)
95 Figure 21 – Detail of impedance Z, Z1 and Z2
Figure 22 – Example of calibration record for short-circuit test (9.11.2.2 j)
96 Figure 23 – Mechanical shock test apparatus (9.12.1)
97 Figure 24 – Mechanical impact test apparatus (9.12.2.2)
98 Figure 25 – Striking element for pendulum impact test apparatus (9.12.2.2)
99 Figure 26 – Mounting support for sample for mechanical impact test (9.12.2.2)
100 Figure 27 – Example of mounting of unenclosed AFDDfor mechanical impact test (9.12.2.2)
101 Figure 28 – Example of mounting of panel mounting type AFDDfor the mechanical impact test (9.12.2.2)
102 Figure 29 – Application of force for mechanical testof rail mounted AFDD (9.12.2.3)
Figure 30 – Ball-pressure test apparatus (9.13.2)
103 Figure 31 – Surge current impulse 8/20 (s
Figure 32 – Test circuit for the surge current test at AFDDs
104 Figure 33 – Stabilizing period for reliability test (9.19.2.3)
105 Figure 34 – Reliability test cycle (9.19.2.3)
106 Figure 35 – Example for test circuit for verification of ageingof electronic components (9.20)
Figure 36 – Preparation of the cable specimens (9.9.2.6)
Figure 37 – Example of arc voltage and current waveform obtained with cable specimen
107 Annex A (normative) Test sequence and number of samples to be submitted for certification purposes
108 Table A.1 – Test sequences for AFDDs classified according to 4.1.1
109 Table A.2 – Test sequences for AFDDs classified according to 4.1.2
110 Table A.3 – Test sequences for AFDDs classified according to 4.1.3
111 Table A.4 – Number of samples for full test procedure
113 Table A.5 – Number of samples for simplified test procedure
114 Annex B (normative) Determination of clearances and creepage distances
119 Annex C (normative) Arrangement for the detection of the emission ofionized gases during short-circuit tests
120 Figure C.1 – Test arrangement
121 Figure C.2 – Grid
Figure C.3 – Grid circuit
122 Annex D (normative) Additional requirements and tests for AFDDs accordingto the classification 4.1.3 designed to be assembled on site together with a main protective device (circuit-breaker or RCCB or RCBO)
126 Annex E (normative) Routine tests
127 Annex F (informative) Description of the shaker arc test in 9.10.2
Figure F.1 – Gap Measurement
Figure F.2 – Shaker arc test table with Loose Terminals
128 Figure F.3 – AFDD connected to the shaker arc table during test
129 Annex IA (informative) Methods of determination of short-circuit power-factor
131 Annex IB (informative)
Examples of terminal designs
Figure IB.1 – Examples of pillar terminals
132 Figure IB.2 – Examples of screw terminals and stud terminals
133 Figure IB.3 – Examples of saddle terminals
Figure IB.4 – Examples of lug terminals
134 Annex IC (informative) Correspondence between ISO and AWG copper conductors
135 Annex ID
(informative)
Follow-up testing program for AFDDs
Table ID.1 – Test sequences during follow-up inspections
138 Table ID.2 – Number of samples to be tested
139 Annex IE
(informative)
SCPDs for short-circuit tests
Table IE.1 – Indication of silver wire diameters as a function of rated currents and short-circuit currents
140 Figure IE-1 – Test apparatus for the verification of the minimum I2t and Ip values to be withstood by the AFDD
141 Annex J (normative) Particular requirements for AFDDs with screwless type terminals for external copper conductors
143 Table J.1 – Connectable conductors
144 Table J.2 – Cross-sections of copper conductorsconnectable to screwless-type terminals
145 Table J.3 – Pull forces
146 Figure J.1 – Connecting samples
148 Figure J.2 – Examples of screwless-type terminals
149 Annex K (normative) Particular requirements for AFDDs with flat quick-connect terminations
150 Table K.1 – Informative table on colour code of female connectors in relationship with the cross section of the conductor
151 Table K.2 – Overload test forces
152 Figure K.1 – Example of position of the thermocouple for measurement of the temperature-rise
Table K.3 – Dimensions of tabs
153 Figure K.2 – Dimensions of male tabs
154 Figure K.3 – Dimensions of round dimple detents (see Figure K.2)
Figure K.4 – Dimensions of rectangular dimple detents (see Figure K.2)
Figure K.5 – Dimensions of hole detents
155 Figure K.6 – Dimensions of female connectors
Table K.4 – Dimensions of female connectors
156 Annex L (normative) Specific requirements for AFDDs with screw-type terminals for external untreated aluminium conductors and with aluminium screw-type terminals for use with copper or with aluminium conductors
157 Table L.1 – Marking for terminals
158 Table L.2 – Connectable cross-sections of aluminium conductors for screw-type terminals
159 Table L.3 – List of tests according to the material of conductors and terminals
Table L.4 – Connectable conductors and their theoretical diameters
160 Table L.5 – Cross sections (S) of aluminium test conductors corresponding to the rated currents
161 Table L.6 – Test conductor length
Table L.7 – Equalizer and busbar dimensions
163 Table L.8 – Test current as a function of rated current
Table L.9 – Example of calculation for determining the average temperature deviation D
164 Figure L.1 – General arrangement for the test
Figure L.2 – Example for the use of the terminals in the AFDD
165 Figure L.3 – Example for the use of the terminals in the AFDD
Figure L.4 – Example for the use of the terminals in the AFDD
Figure L.5 – Example for the use of the terminals in the AFDD
Figure L.6 – Example for the use of the terminals in the AFDD
166 Bibliography

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BS EN 62606:2013
$215.11