{"id":373323,"date":"2024-10-20T02:33:29","date_gmt":"2024-10-20T02:33:29","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-60947-12021-tcex-comm-bundle\/"},"modified":"2024-10-26T04:29:58","modified_gmt":"2024-10-26T04:29:58","slug":"bs-en-iec-60947-12021-tcex-comm-bundle","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-60947-12021-tcex-comm-bundle\/","title":{"rendered":"BS EN IEC 60947-1:2021-TC+Ex Comm Bundle"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\ncompares BS EN IEC 60947-1:2021 <\/td>\n<\/tr>\n
2<\/td>\nTRACKED CHANGES
Text example 1 \u2014 indicates added text (in green) <\/td>\n<\/tr>\n
5<\/td>\nAppareillage \u00e0 basse tension – Partie 1: R\u00e8gles g\u00e9n\u00e9rales (CEI 60947-1:2007IEC 60947-1:2020) Niederspannungsschaltger\u00e4te – Teil 1: Allgemeine Festlegungen (IEC 60947-1:2007IEC 60947-1:2020) <\/td>\n<\/tr>\n
6<\/td>\nEndorsement notice
Foreword to amendment A1 <\/td>\n<\/tr>\n
7<\/td>\nEndorsement notice
Endorsement notice <\/td>\n<\/tr>\n
9<\/td>\nEndorsement notice <\/td>\n<\/tr>\n
15<\/td>\nTable ZZA.1 \u2014 Correspondence between this European standard and Annex I of Directive 2014\/30\/EU [2014 OJ L96] <\/td>\n<\/tr>\n
16<\/td>\nTable ZZB.1 \u2014 Correspondence between this European standard and Annex I of Directive 2014\/35\/EU [2014 OJ L96] <\/td>\n<\/tr>\n
18<\/td>\nCONTENTS <\/td>\n<\/tr>\n
29<\/td>\nINTERNATIONAL ELECTROTECHNICAL COMMISSION <\/td>\n<\/tr>\n
31<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
32<\/td>\nLOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR \u2013
1 General
1.1 Scope and object <\/td>\n<\/tr>\n
33<\/td>\n1 Scope
1.22 Normative references <\/td>\n<\/tr>\n
40<\/td>\n2 Definitions <\/td>\n<\/tr>\n
41<\/td>\n3 Terms, definitions, symbols and reference clauses
3.1 General
3.2 Alphabetical index of definitions <\/td>\n<\/tr>\n
50<\/td>\n2.13.3 General terms and definitions
2.1.23.3.2
2.1.33.3.3
2.1.43.3.4
2.1.63.3.6 <\/td>\n<\/tr>\n
51<\/td>\n2.1.73.3.7
2.1.83.3.8
2.1.93.3.9
2.1.103.3.10
2.1.113.3.11
2.1.123.3.12 <\/td>\n<\/tr>\n
52<\/td>\n2.1.133.3.13
2.1.14
3.3.14
3.3.15
2.1.163.3.16
2.1.173.3.17
2.1.183.3.18 <\/td>\n<\/tr>\n
53<\/td>\n3.3.19
2.1.203.3.20
2.1.213.3.21
3.3.24
3.3.25 <\/td>\n<\/tr>\n
54<\/td>\n3.3.26
3.3.27
3.3.28
3.3.29
3.3.30
3.3.31
2.23.4 Switching devices
2.2.13.4.1 <\/td>\n<\/tr>\n
55<\/td>\n2.2.23.4.2
2.2.33.4.3
2.2.43.4.4
2.2.53.4.5
2.2.63.4.6
2.2.73.4.7 <\/td>\n<\/tr>\n
56<\/td>\n2.2.83.4.8
2.2.93.4.9
2.2.103.4.10
2.2.113.4.11
2.2.123.4.12
2.2.133.4.13 <\/td>\n<\/tr>\n
57<\/td>\n2.2.143.4.14
2.2.173.4.17
2.2.183.4.18
2.2.193.4.19 <\/td>\n<\/tr>\n
58<\/td>\n2.2.203.4.20
2.2.213.4.21
2.2.223.4.22
2.2.233.4.23
3.4.24
2.33.5 Parts of switching devices
2.3.13.5.1
2.3.23.5.2
2.3.33.5.3 <\/td>\n<\/tr>\n
59<\/td>\n2.3.43.5.4
2.3.53.5.5
2.3.63.5.6
2.3.73.5.7
2.3.83.5.8
NOTENote 1 to entry:\u2003An arcing contact maycan serve as a main contact; it maycan be a separate contact so designed that it opens after and closes before another contact which it is intended to protect from deterioration.
2.3.93.5.9
2.3.103.5.10 <\/td>\n<\/tr>\n
60<\/td>\n2.3.113.5.11
2.3.123.5.12
2.3.133.5.13
2.3.143.5.14
2.3.153.5.15
2.3.163.5.16
2.3.173.5.17
NOTENote 1 to entry:\u2003The actuator maycan take the form of a handle, knob, push-button, roller, plunger, etc. <\/td>\n<\/tr>\n
61<\/td>\n2.3.183.5.18
2.3.193.5.19
2.3.203.5.20
2.3.213.5.21
2.3.223.5.22
2.3.233.5.23
2.3.243.5.24
2.3.253.5.25 <\/td>\n<\/tr>\n
62<\/td>\n2.3.25.13.5.25.1
2.3.25.23.5.25.2
2.3.25.33.5.25.3
2.3.263.5.26
2.3.26.13.5.26.1
2.3.26.23.5.26.2
2.3.273.5.27
2.3.283.5.28 <\/td>\n<\/tr>\n
63<\/td>\n2.3.293.5.29
2.3.303.5.30
2.3.313.5.31
2.3.323.5.32
2.3.333.5.33
2.3.343.5.34
2.3.353.5.35 <\/td>\n<\/tr>\n
64<\/td>\n2.3.363.5.36
2.43.6 Operation of switching devices
2.4.13.6.1
2.4.23.6.2
2.4.33.6.3
2.4.43.6.4 <\/td>\n<\/tr>\n
65<\/td>\n2.4.63.6.6
2.4.73.6.7
2.4.83.6.8
2.4.93.6.9
2.4.103.6.10
2.4.113.6.11
2.4.123.6.12
2.4.133.6.13 <\/td>\n<\/tr>\n
66<\/td>\n2.4.143.6.14
2.4.153.6.15
2.4.173.6.17
2.4.183.6.18
2.4.193.6.19
2.4.203.6.20 <\/td>\n<\/tr>\n
67<\/td>\n2.4.213.6.21
3.6.22
2.4.223.6.23
2.4.233.6.24
2.4.243.6.25
2.4.253.6.26
over-currentovercurrent relay or release
2.4.263.6.27
2.4.273.6.28
2.4.283.6.29 <\/td>\n<\/tr>\n
68<\/td>\n2.4.293.6.30
2.4.303.6.31
2.4.313.6.32
2.4.323.6.33
2.4.333.6.34
2.4.343.6.35
2.4.353.6.36
2.4.363.6.37
2.4.373.6.38
2.4.383.6.39 <\/td>\n<\/tr>\n
69<\/td>\n2.53.7 Characteristic quantities
2.5.13.7.1
2.5.23.7.2
2.5.33.7.3
2.5.43.7.4
2.5.53.7.5
2.5.63.7.6 <\/td>\n<\/tr>\n
70<\/td>\n2.5.73.7.7
2.5.83.7.8
2.5.93.7.9
2.5.103.7.10
2.5.113.7.11 <\/td>\n<\/tr>\n
71<\/td>\n2.5.123.7.12
2.5.133.7.13
2.5.143.7.14
2.5.153.7.15
2.5.163.7.16
2.5.173.7.17 <\/td>\n<\/tr>\n
72<\/td>\n2.5.183.7.18
let-through energy Joule integral (I2t)
2.5.193.7.19
2.5.203.7.20
2.5.213.7.21
2.5.223.7.22
2.5.233.7.23.1 <\/td>\n<\/tr>\n
73<\/td>\n3.7.23.2
3.7.23.3
2.5.253.7.24
2.5.263.7.26
2.5.273.7.27
2.5.283.7.28
2.5.293.7.29 <\/td>\n<\/tr>\n
74<\/td>\n2.5.303.7.30
2.5.313.7.31
2.5.323.7.32
2.5.333.7.33
2.5.343.7.34
2.5.353.7.35 <\/td>\n<\/tr>\n
75<\/td>\n2.5.363.7.36
2.5.373.7.37
2.5.383.7.38
2.5.393.7.39
2.5.403.7.40
2.5.413.7.41
2.5.423.7.42 <\/td>\n<\/tr>\n
76<\/td>\n2.5.433.7.43
2.5.443.7.44
2.5.453.7.45
2.5.463.7.46
2.5.473.7.47
2.5.483.7.48
2.5.50 <\/td>\n<\/tr>\n
77<\/td>\n2.5.513.7.51
2.5.523.7.52
2.5.533.7.53
2.5.54
2.5.54.1
2.5.54.2
2.5.553.7.54
2.5.563.7.55
2.5.573.7.56 <\/td>\n<\/tr>\n
78<\/td>\n2.5.583.7.57
2.5.593.7.58
2.5.603.7.59
2.5.613.7.60
2.5.623.7.61
2.5.633.7.62
2.5.643.7.63
2.5.653.7.64 <\/td>\n<\/tr>\n
79<\/td>\n2.5.663.7.65
2.5.673.7.66
3.7.67
3.7.68
2.63.8 Tests
2.6.13.8.1
2.6.23.8.2
2.6.33.8.3
2.6.43.8.4
2.73.9 Ports
2.7.13.9.1
2.7.2
2.7.3 <\/td>\n<\/tr>\n
80<\/td>\n2.7.4
2.7.53.9.2
2.7.63.9.3
2.7.7
port at which a conductor or cable is connected to a pole of the main circuit of the equipment
3.10 Symbols and references clauses for characteristics described in this document <\/td>\n<\/tr>\n
81<\/td>\n3 Classification
4 Characteristics <\/td>\n<\/tr>\n
82<\/td>\n4.1 General
5 Characteristics
4.25.2 Type of equipment <\/td>\n<\/tr>\n
83<\/td>\n4.3.1.25.3.1.2 Rated insulation voltage (Ui)
4.3.25.3.2 Currents <\/td>\n<\/tr>\n
84<\/td>\n4.3.2.25.3.2.2 Conventional enclosed thermal current (Ithe)
4.3.2.35.3.2.3 Rated operational current (Ie) or rated operational power <\/td>\n<\/tr>\n
85<\/td>\n4.3.35.3.3 Rated frequency
4.3.45.3.4 Rated duties
4.3.4.15.3.4.1 Eight-hour duty
4.3.4.25.3.4.2 Uninterrupted duty
4.3.4.35.3.4.3 Intermittent periodic duty or intermittent duty <\/td>\n<\/tr>\n
86<\/td>\n4.3.4.45.3.4.4 Temporary duty
4.3.4.55.3.4.5 Periodic duty
4.3.5 Normal load and overload characteristics
This subclause gives general requirements concerning ratings under normal load and overload conditions.
5.3.5 Characteristics under normal load and overload conditions (see 8.2.4)
4.3.5.15.3.5.1 Ability to withstand motor switching overload currents
4.3.5.25.3.5.2 Rated making capacity <\/td>\n<\/tr>\n
87<\/td>\n4.3.5.35.3.5.3 Rated breaking capacity
4.3.65.3.6 Short-circuit characteristics
4.3.6.25.3.6.2 Rated short-circuit making capacity (Icm) <\/td>\n<\/tr>\n
88<\/td>\n4.3.6.35.3.6.3 Rated short-circuit breaking capacity (Icn)
4.3.6.45.3.6.4 Rated conditional short-circuit current (Iq)alternatively Icc)
4.3.75.3.7 Pole impedance of the switching device (Z)
4.45.4 Utilization category
4.55.5 Control circuits
4.5.15.5.1 Electrically or electronically controlled circuits <\/td>\n<\/tr>\n
89<\/td>\n4.5.25.5.2 Air-supply control circuits (pneumatic or electro-pneumatic)
4.65.6 Auxiliary circuits
4.75.7 Relays and releases
4.85.8 Co-ordination with short-circuit protective devices (SCPD)
NOTE\u2003IEC TR 61912-1 gives guidance on co-ordination with SCPDs. <\/td>\n<\/tr>\n
90<\/td>\n4.9 Switching overvoltages
56 Product information
5.16.1 Nature of information <\/td>\n<\/tr>\n
91<\/td>\n5.26.2 Marking <\/td>\n<\/tr>\n
92<\/td>\n5.36.3 Instructions for installation, operation and maintenance, decommissioning and dismantling
5.46.4 Environmental information
67 Normal service, mounting and transport conditions
6.17.1 Normal service conditions <\/td>\n<\/tr>\n
93<\/td>\n6.1.27.1.2 Altitude
6.1.37.1.3 Atmospheric conditions
6.1.3.27.1.3.2 Pollution degree <\/td>\n<\/tr>\n
94<\/td>\n6.1.47.1.4 Shock and vibration
6.27.2 Conditions during transport and storage
6.37.3 Mounting <\/td>\n<\/tr>\n
95<\/td>\n78 Constructional and performance requirements
7.18.1 Constructional requirements
7.1.28.1.2 Materials
7.1.2.28.1.2.2 Glow wire testing
The suitability of materials used is verified by: <\/td>\n<\/tr>\n
96<\/td>\n7.1.2.38.1.2.3 Test based on flammability category
7.1.38.1.3 Current-carrying parts and their connections
7.1.48.1.4 Clearances and creepage distances
7.1.4.28.1.4.2 Insulation coordination barriers for creepage distances <\/td>\n<\/tr>\n
97<\/td>\n7.1.4.38.1.4.3 Insulation coordination barriers for clearance distances
7.1.58.1.5 Actuator
7.1.5.28.1.5.2 Direction of movement
7.1.68.1.6 Indication of the contact position <\/td>\n<\/tr>\n
98<\/td>\n7.1.6.28.1.6.2 Indication by the actuator
7.1.78.1.7 Additional requirements for equipment suitable for isolation
7.1.7.28.1.7.2 Supplementary requirements for equipment with provision for electrical interlocking with contactors or circuit-breakers <\/td>\n<\/tr>\n
99<\/td>\n7.1.7.38.1.7.3 Supplementary requirements for equipment provided with means for padlocking the open position
7.1.88.1.8 Terminals <\/td>\n<\/tr>\n
100<\/td>\n7.1.8.38.1.8.3 Connection
7.1.8.48.1.8.4 Terminal identification and marking
7.1.98.1.9 Additional requirements for equipment provided with a neutral pole <\/td>\n<\/tr>\n
101<\/td>\n7.1.108.1.10 Provisions for protective earthing
7.1.10.28.1.10.2 Protective earth terminal
7.1.10.38.1.10.3 Protective earth terminal marking and identification <\/td>\n<\/tr>\n
102<\/td>\nThe following requirements are only applicable to enclosures supplied or intended to be used with the equipment.
8.1.11 Dedicated enclosures for equipment <\/td>\n<\/tr>\n
103<\/td>\n7.1.11.28.1.11.2 Insulation
7.1.128.1.12 Degrees of protection of enclosed equipment
7.1.138.1.13 Conduit pull-out, torque and bending with metallic conduits
7.28.2 Performance requirements
7.2.1 Operating conditions
7.2.1.28.2.1.2 Limits of operation of power operated equipment <\/td>\n<\/tr>\n
104<\/td>\n7.2.1.38.2.1.3 Limits of operation of under-voltage relays and releases
7.2.1.48.2.1.4 Limits of operation of shunt releases
7.2.1.58.2.1.5 Limits of operation of current operated relays and releases <\/td>\n<\/tr>\n
105<\/td>\n7.2.2.28.2.2.3 Accessible parts
7.2.2.38.2.2.4 Ambient air temperature
7.2.2.4.8.2.2.5 Main circuit
7.2.2.58.2.2.6 Control circuits
7.2.2.68.2.2.7 Windings of coils and electromagnets <\/td>\n<\/tr>\n
106<\/td>\n7.2.2.8 Other parts
7.2.38.2.3 Dielectric properties
7.2.3.18.2.3.2 Impulse withstand voltage <\/td>\n<\/tr>\n
107<\/td>\n7.2.3.28.2.3.3 Power-frequency or DC withstand voltage of the main, auxiliary and control circuits
7.2.3.38.2.3.4 Clearances
7.2.3.48.2.3.5 Creepage distances <\/td>\n<\/tr>\n
108<\/td>\n7.2.3.58.2.3.6 Solid insulation
Text deleted
7.2.3.78.2.3.8 Requirements for equipment with protective separation
7.2.48.2.4 Ability to make, carry and break currents under no-load, normal load and overload conditions <\/td>\n<\/tr>\n
109<\/td>\n7.2.4.28.2.4.2 Operational performance
7.2.4.38.2.4.3 Durability
7.2.4.3.28.2.4.3.2 Electrical durability
7.2.58.2.5 Ability to make, carry and break short-circuit currents <\/td>\n<\/tr>\n
110<\/td>\n7.2.6 Switching overvoltages
8.2.6 Pole impedance
7.2.78.2.7 Leakage currents of equipment suitable for isolation
7.2.8 Pole impedance
7.38.3 Electromagnetic compatibility (EMC) <\/td>\n<\/tr>\n
111<\/td>\n7.3.28.3.2 Immunity
7.3.2.2 Equipment incorporating electronic circuits
7.3.38.3.3 Emission <\/td>\n<\/tr>\n
112<\/td>\n7.3.3.2 Equipment incorporating electronic circuits
7.3.3.2.2 Limits for low-frequency emissions
89 Tests
8.19.1 Kinds of test <\/td>\n<\/tr>\n
113<\/td>\n8.1.29.1.2 Type tests
8.1.39.1.3 Routine tests
8.1.49.1.4 Sampling tests
9.1.5 Special tests <\/td>\n<\/tr>\n
114<\/td>\n9.1.5.2 Reliability data tests
9.1.5.3 Environmental tests
8.29.2 Compliance with constructional requirements
8.2.1 Materials
8.2.1.19.2.2 Test of resistancematerials to abnormal heat and fire
8.2.1.1.29.2.2.2 Flammability, hot wire ignition and arc ignition tests (on materials)
8.2.29.2.3 Equipment
8.2.39.2.4 Enclosures for equipment <\/td>\n<\/tr>\n
115<\/td>\n8.2.49.2.5 Mechanical and electrical properties of terminals
8.2.4.29.2.5.2 Tests of mechanical strength of terminals
8.2.4.39.2.5.3 Testing for damage to and accidental loosening of conductors (flexion test) <\/td>\n<\/tr>\n
116<\/td>\n8.2.4.49.2.5.4 Pull-out test
8.2.4.4.29.2.5.4.2 Flat copper conductors <\/td>\n<\/tr>\n
117<\/td>\n8.2.4.5.29.2.5.5.2 Construction of gauges
8.2.4.6 Tests for insertability of flat conductors with rectangular cross-section
9.2.5.6 Void
8.2.4.89.2.5.8 Ageing test for screwless-type clamping units <\/td>\n<\/tr>\n
118<\/td>\n8.2.59.2.6 Verification of the effectiveness of indication of the main contact position of equipment suitable for isolation
8.2.5.1 Condition of equipment for the tests
8.2.5.29.2.6.2 Method of test <\/td>\n<\/tr>\n
120<\/td>\n8.2.5.3.29.2.6.3.2 Dependent and independent power operation
8.2.69.2.7 Vacant
8.2.7.29.2.8.3 Bending test
8.2.7.39.2.8.4 Torque test <\/td>\n<\/tr>\n
121<\/td>\n9.2.9 Test of earth continuity for protective earth
9.2.9.2 Earth continuity test
9.2.9.3 Test results
8.39.3 Performance
8.3.19.3.1 Test sequences
8.3.29.3.2 General test conditions <\/td>\n<\/tr>\n
122<\/td>\n8.3.2.29.3.2.2 Test quantities <\/td>\n<\/tr>\n
123<\/td>\n8.3.2.2.29.3.2.2.2 Tolerances on test quantities
8.3.2.2.39.3.2.2.3 Recovery voltage
8.3.2.39.3.2.3 Evaluation of test results
8.3.2.49.3.2.4 Test reports
8.3.39.3.3 Performance under no-load, normal load and overload conditions
8.3.3.29.3.3.2 Operating limits <\/td>\n<\/tr>\n
124<\/td>\n8.3.3.2.29.3.3.2.2 Relays and releases
8.3.3.3.29.3.3.3.2 Measurement of the temperature of parts <\/td>\n<\/tr>\n
125<\/td>\n8.3.3.3.39.3.3.3.3 Temperature-rise of a part
8.3.3.3.49.3.3.3.4 Temperature-rise of the main circuit <\/td>\n<\/tr>\n
127<\/td>\n8.3.3.3.59.3.3.3.5 Temperature-rise of control circuits
8.3.3.3.69.3.3.3.6 Temperature-rise of coils of electromagnets <\/td>\n<\/tr>\n
128<\/td>\n8.3.3.49.3.3.4 Dielectric properties <\/td>\n<\/tr>\n
132<\/td>\n8.3.3.4.29.3.3.4.2 Routine tests <\/td>\n<\/tr>\n
133<\/td>\n8.3.3.4.39.3.3.4.3 Sampling tests for verification of clearances
8.3.3.4.49.3.3.4.4 Tests for equipment with protective separation
8.3.3.59.3.3.5 Making and breaking capacities
8.3.3.5.19.3.3.5.1 General test conditions
8.3.3.5.29.3.3.5.2 Test circuit <\/td>\n<\/tr>\n
135<\/td>\n8.3.3.5.49.3.3.5.4 Vacant
8.3.3.69.3.3.6 Operational performance capability
8.3.3.79.3.3.7 Durability
8.3.3.7.19.3.3.7.2 Mechanical durability
8.3.3.7.29.3.3.7.3 Electrical durability <\/td>\n<\/tr>\n
136<\/td>\n8.3.3.89.3.3.8 Pole impedance
8.3.49.3.4 Performance under short-circuit conditions
8.3.4.1 General conditions for short-circuit tests
8.3.4.1.29.3.4.1.2 Test circuit <\/td>\n<\/tr>\n
138<\/td>\n8.3.4.1.49.3.4.1.4 Time-constant of the test circuit
8.3.4.1.59.3.4.1.5 Calibration of the test circuit
8.3.4.1.69.3.4.1.6 Test procedure
8.3.4.1.79.3.4.1.7 Behaviour of the equipment during short-circuit making and breaking tests <\/td>\n<\/tr>\n
139<\/td>\n8.3.4.1.89.3.4.1.8 Interpretation of records
8.3.4.1.99.3.4.1.9 Condition of the equipment after the tests <\/td>\n<\/tr>\n
140<\/td>\n8.3.4.29.3.4.2 Short-circuit making and breaking capacities
8.3.4.39.3.4.3 Verification of the ability to carry the rated short-time withstand current <\/td>\n<\/tr>\n
142<\/td>\n8.4.1.2.3 Radiated radio-frequency electromagnetic fields
8.4.1.2.4 Electrical fast transients\/bursts (EFT\/B)
8.4.1.2.5 Surges
8.4.1.2.6 Conducted disturbances induced by radio-frequency fields <\/td>\n<\/tr>\n
143<\/td>\n8.4.1.2.7 Power frequency magnetic fields
8.4.1.2.8 Voltage dips and interruptions
8.4.1.2.9 Harmonics in the supply
8.4.2 Emission
8.4.2.1 Equipment not incorporating electronic circuits
8.4.2.2 Equipment incorporating electronic circuits <\/td>\n<\/tr>\n
144<\/td>\n9.4.2.2 Electrostatic discharges
9.4.2.3 Radiated radio-frequency electromagnetic fields
9.4.2.4 Conducted disturbances induced by radio-frequency fields
9.4.2.5 Electrical fast transients\/bursts
9.4.2.6 Surges
9.4.2.7 Power frequency magnetic fields
9.4.2.8 Voltage dips and interruptions
9.4.3 Emission <\/td>\n<\/tr>\n
145<\/td>\nTable 1 \u2013 Nominal cross-sections of round copper conductors and approximate relationship between mm2 and AWG\/kcmil sizes
(see 7.1.8.28.1.8.2)
Table 2 \u2013 Temperature-rise limits of terminals <\/td>\n<\/tr>\n
146<\/td>\nTable 3 \u2013 Temperature-rise limits of accessible parts
Table 4 \u2013 Tightening torques for the verification of the mechanical strength of screw-type terminals
(see 8.2.4.29.2.5.2 and 8.3.2.19.3.2.1) <\/td>\n<\/tr>\n
147<\/td>\nTable 5 \u2013 Test values for flexion and pull-out tests for round copper conductors
Table 6 \u2013 Test values for pull-out test for flat copper conductors <\/td>\n<\/tr>\n
148<\/td>\nTable 7 \u2013 Maximum conductor cross-sections and corresponding gauges <\/td>\n<\/tr>\n
149<\/td>\nTable 7aTable 8 \u2013 Relationship between conductor cross-section and diameter <\/td>\n<\/tr>\n
150<\/td>\nTable 8 \u2013 Tolerances on test quantities
Table 9 \u2013 Test copper conductors for test currents up to 400 A inclusive <\/td>\n<\/tr>\n
151<\/td>\nTable 10 \u2013 Test copper conductors for test currents above 400 A and up to 800 A inclusive
Table 11 \u2013 Test copper bars for test currents above 400 A and up to 3 150 A inclusive <\/td>\n<\/tr>\n
152<\/td>\nTable 12 \u2013 Impulse withstand test voltages <\/td>\n<\/tr>\n
153<\/td>\nTable 14 \u2013 Test voltages across the open contacts of equipment suitable for isolation <\/td>\n<\/tr>\n
155<\/td>\nTable 16 \u2013 Values of power-factors and time-constants corresponding to test currents, and ratio n between peak and r.m.s.RMS values of current
Table 17 \u2013 Actuator test force
Table 18 \u2013 VacantTolerances on test quantities <\/td>\n<\/tr>\n
156<\/td>\nTable 19 \u2013 VacantDielectric test voltage corresponding to the rated insulation voltage
Table 20 \u2013 Test values for conduit pull-out test
Table 21 \u2013 Test values for conduit bending test
Table 22 \u2013 Test values for conduit torque test <\/td>\n<\/tr>\n
157<\/td>\nTable 23 \u2013 Tests for EMC \u2013 Immunity <\/td>\n<\/tr>\n
158<\/td>\nTable 23 \u2013 Tests for EMC \u2013 Immunity <\/td>\n<\/tr>\n
159<\/td>\nTable 24 \u2013 Acceptance criteria when EM disturbances are present <\/td>\n<\/tr>\n
160<\/td>\nFigure 1 \u2013 Test equipment for flexion test <\/td>\n<\/tr>\n
161<\/td>\nFigure 2 \u2013 Gauges of form A and form B <\/td>\n<\/tr>\n
165<\/td>\nFigure 4 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a two-pole equipment on single-phase AC or on direct current (see 9.3.3.5.2) <\/td>\n<\/tr>\n
166<\/td>\nFigure 5 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a three-pole equipment
(see 8.3.3.5.2) <\/td>\n<\/tr>\n
167<\/td>\nFigure 5 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a three-pole equipment (see 9.3.3.5.2) <\/td>\n<\/tr>\n
168<\/td>\nFigure 6 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a four-pole equipment
(see 8.3.3.5.2) <\/td>\n<\/tr>\n
169<\/td>\nFigure 6 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a four-pole equipment (see 9.3.3.5.2) <\/td>\n<\/tr>\n
170<\/td>\nFigure 7 \u2013 Schematic illustration of the recovery voltage across contacts of the first phase to clear under ideal conditions (see 8.3.3.5.29.3.3.5.2, item e)) <\/td>\n<\/tr>\n
171<\/td>\nFigure 8a \u2013 Diagram of a load circuit adjustment method: load star-point earthed <\/td>\n<\/tr>\n
172<\/td>\nFigure 8b \u2013 Diagram of a load circuit adjustment method: supply star-point earthed <\/td>\n<\/tr>\n
173<\/td>\nFigure 8 \u2013 Diagram of a load circuit adjustment method <\/td>\n<\/tr>\n
177<\/td>\nFigure 10 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a two-pole equipment on single-phase AC or on direct current (see 9.3.4.1.2) <\/td>\n<\/tr>\n
179<\/td>\nFigure 11 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a three-pole equipment (see 9.3.4.1.2) <\/td>\n<\/tr>\n
181<\/td>\nFigure 12 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a four-pole equipment (see 9.3.4.1.2) <\/td>\n<\/tr>\n
183<\/td>\nFigure 13 \u2013 Example of short-circuit making and breaking test record in the case of a single-pole equipment on single-phase AC
(see 9.3.4.1.8) <\/td>\n<\/tr>\n
185<\/td>\nFigure 14 \u2013 Verification of short-circuit making and breaking capacities on direct current (see 9.3.4.1.8) <\/td>\n<\/tr>\n
186<\/td>\nFigure 15 \u2013 Determination of the prospective breaking current when the first calibration of the test circuit has been made at a current lower than <\/td>\n<\/tr>\n
187<\/td>\nFigure 16 \u2013 Actuator test force <\/td>\n<\/tr>\n
188<\/td>\nFigure 17 \u2013 Examples of ports
Figure 18 \u2013 Test set-up for the verification of immunity to electrostatic discharges <\/td>\n<\/tr>\n
189<\/td>\nFigure 19 \u2013 Test set-up for the verification of immunity to radiated radio-frequency electromagnetic fields <\/td>\n<\/tr>\n
190<\/td>\nFigure 20 \u2013 Test set-up for the verification of immunity to electrical fast transients\/bursts <\/td>\n<\/tr>\n
191<\/td>\nFigure 21 \u2013 Test set-up for the verification of immunity to conducted disturbances induced by r.f. fields on power lines
Figure 22 \u2013 Example of test set-up for the verification of immunity to conducted disturbances induced by r.f. fields on signal lines when CDN\u00b4s are not suitable <\/td>\n<\/tr>\n
192<\/td>\nFigure 23 \u2013 Test set-up for the verification of immunity to power frequency magnetic fields <\/td>\n<\/tr>\n
193<\/td>\nAnnex A
(informative)
Table A.1 \u2013 Utilization categories used in the IEC 60947 series <\/td>\n<\/tr>\n
199<\/td>\nAnnex B
(informative)
(Vacant)
B.1 Examples of conditions differing from normal
B.1.1 Ambient air temperature
B.1.2 Altitude
B.1.3 Atmospheric conditions
B.1.4 Conditions of installation
B.2 Connections with other apparatus
B.3 Auxiliary contacts
B.4 Special applications <\/td>\n<\/tr>\n
200<\/td>\nAnnex C
(normative)
Introduction
C.1 General
C.1 Scope
C.2 Object
C.2 Object
C.3 Definitions
C.4 Designation
C.5 Degrees of protection against access to hazardous parts and against ingress of solid foreign objects indicated by the first characteristic numeral <\/td>\n<\/tr>\n
201<\/td>\nC.6 Degrees of protection against ingress of water indicated by the second characteristic numeral
C.7 Degrees of protection against access to hazardous parts indicated by the additional letter
Clause 7 of IEC 60529:1989 applies.
C.8 Supplementary letters
C.9 Examples of designations with IP Code
C.10 Marking
C.11 General requirements for tests <\/td>\n<\/tr>\n
202<\/td>\nC.12 Tests for protection against access to hazardous parts indicated by the first characteristic numeral
C.13 Tests for protection against ingress of solid foreign objects indicated by the first characteristic numeral
C.13.4 Dust test for first characteristic numerals 5 and 6
C.13.5.2 Acceptance conditions for first characteristic numeral 5 <\/td>\n<\/tr>\n
203<\/td>\nC.14.1 Test means
C.14.2 Test conditions
C.14.3 Acceptance conditions
C.15 Tests for protection against access to hazardous parts indicated by additional letter
C.16 Summary of responsibilities of relevant technical committees <\/td>\n<\/tr>\n
207<\/td>\nAnnex D
(informative)
D.1 Clamping unit in a connecting device
Figure D.8Figure D.1\u2013 Clamping unit in a connecting device <\/td>\n<\/tr>\n
208<\/td>\nD.2 Examples of clamping units <\/td>\n<\/tr>\n
209<\/td>\nFigure D.2 \u2013 Screw clamping units <\/td>\n<\/tr>\n
212<\/td>\nFigure D.4 \u2013 Stud clamping units <\/td>\n<\/tr>\n
216<\/td>\nFigure D.6 \u2013 Lug clamping units <\/td>\n<\/tr>\n
217<\/td>\nFigure D.7 \u2013 Mantle clamping units <\/td>\n<\/tr>\n
219<\/td>\nFigure D.8 \u2013 Screwless-type clamping units (sketches) <\/td>\n<\/tr>\n
220<\/td>\nAnnex E
(informative) <\/td>\n<\/tr>\n
221<\/td>\nFigure E.1 \u2013 Determination of the actual value of the factor \u03b3 <\/td>\n<\/tr>\n
222<\/td>\nAnnex F
(informative)
F.1 Determination of short-circuit power-factor
F.1.1 Method I \u2013 Determination from d.c.DC component <\/td>\n<\/tr>\n
223<\/td>\nF.1.2 Method II \u2013 Determination with pilot generator
F.2 Determination of short-circuit time-constant (oscillographic method) <\/td>\n<\/tr>\n
224<\/td>\nAnnex G
(informative)
G.1 Basic principles
Table G.1 \u2013 Minimum widths of grooves
G.2 Use of ribs <\/td>\n<\/tr>\n
225<\/td>\nFigure G.1 \u2013 Measurement of ribs <\/td>\n<\/tr>\n
235<\/td>\nAnnex H
(informative)
INTRODUCTION <\/td>\n<\/tr>\n
236<\/td>\nTable H.1 \u2013 Correspondence between the nominal voltage of the supply system and the equipment rated impulse withstand voltage, in case of overvoltage protection by surge-arresters according to IEC 60099-12 <\/td>\n<\/tr>\n
237<\/td>\n(informative) <\/td>\n<\/tr>\n
238<\/td>\nAnnex K
(normative)
K.1 General
K.1.1 Overview
K.1.2 Scope and objectObject
K.1.3 General requirements <\/td>\n<\/tr>\n
239<\/td>\nK.2 Terms, definitions and symbols
K.2.1 Terms and definitions
K.2.1.1
K.2.1.2
K.2.1.3
K.2.1.4
K.2.1.5
K.2.1.5
K.2.1.6
K.2.1.6 <\/td>\n<\/tr>\n
240<\/td>\nK.2.1.7
K.2.1.8
K.2.2 Symbols
K.3 Method based on durability test results
K.3.1 General method
K.3.2 Test requirements
K.3.3 Number of samples
K.3.4 Characterization of a failure mode <\/td>\n<\/tr>\n
241<\/td>\nTable K.1 \u2013 Failure modes of devices
K.3.5.2 Modelling method <\/td>\n<\/tr>\n
242<\/td>\nK.3.5.3 Median rank regression <\/td>\n<\/tr>\n
243<\/td>\nK.3.6 Useful life and upper limit of failure rate
K.3.6.2 Point estimate of the fractile (10 %) of the time to failure
K.3.6.3 Useful life <\/td>\n<\/tr>\n
244<\/td>\nK.3.6.4 Upper limit of failure rate
K.3.7 Reliability data <\/td>\n<\/tr>\n
245<\/td>\nK.5 Example
K.5.1 Test results
Table K.2 \u2013 Example of 15 sorted ascending times to failure of contactors
Table K.3 \u2013 Example median rank calculation <\/td>\n<\/tr>\n
246<\/td>\nK.5.3 Useful life and failure rate <\/td>\n<\/tr>\n
247<\/td>\nAnnex L
(normative)
L.1 General
L.2 Terminal marking of impedances (alphanumerical)
L.2.1 Coils <\/td>\n<\/tr>\n
248<\/td>\nL.2.2 Electromagnetic releases
L.2.2.2 Under-voltage release
L.2.3 Interlocking electromagnets <\/td>\n<\/tr>\n
249<\/td>\nL.2.4 Indicating light devices
L.3 Terminal marking of contact elements for switching devices with two positions (numerical)
L.3.1 Contact elements for main circuits (main contact elements)
L.3.2 Contact elements for auxiliary circuit (auxiliary contact elements) <\/td>\n<\/tr>\n
250<\/td>\nL.3.2.1L.3.2.2 Function number
L.3.2.2L.3.2.3 Sequence number <\/td>\n<\/tr>\n
251<\/td>\nL.4 Terminal marking of overload protection devices <\/td>\n<\/tr>\n
252<\/td>\nL.5 Distinctive number
L.6 Marking of terminals for external associated electronic circuit components, contacts and complete devices
L.6.1 Marking of terminals for external associated electronic circuit components and contacts
L.6.1.2 Marking of terminals for external associated impedances <\/td>\n<\/tr>\n
253<\/td>\nL.6.1.3 Marking of terminals for external associated contacts <\/td>\n<\/tr>\n
255<\/td>\nL.6.2 Marking of terminals for external complete devices <\/td>\n<\/tr>\n
257<\/td>\nAnnex M
(normative)
M.1 Hot wire ignition test (HWI)
M.1.1 Test sample
M.1.2 Description of test apparatus <\/td>\n<\/tr>\n
258<\/td>\nFigure M.1 \u2013 Test fixture for hot wire ignition test <\/td>\n<\/tr>\n
259<\/td>\nM.1.3 Conditioning
M.1.4 Test procedure
M.2 Arc ignition test (AI)
M.2.1 Test sample
M.2.2 Description of test apparatus <\/td>\n<\/tr>\n
260<\/td>\nFigure M.2 \u2013 Circuit for arc ignition test
M.2.3 Conditioning
M.2.4 Test procedure <\/td>\n<\/tr>\n
261<\/td>\nM.3 HWI and AI requirements
Table M.1 \u2013 HWI and AI characteristics for materials necessary to retain current carrying parts in position <\/td>\n<\/tr>\n
262<\/td>\nAnnex N
(normative)
N.1 General
N.2 DefinitionsTerms and definitions
N.2.1
N.2.2
N.2.3
N.2.4 <\/td>\n<\/tr>\n
263<\/td>\nN.2.5
N.2.6
N.2.6
N.2.7
N.2.8
N.2.9 <\/td>\n<\/tr>\n
264<\/td>\nN.2.10
N.2.9
N.2.10
N.2.11
N.2.12
N.3 Requirements
N.3.1 General <\/td>\n<\/tr>\n
265<\/td>\nN.3.2 Dielectric requirements
N.3.2.2 Clearances
N.3.3 Construction requirements
N.4 Tests
N.4.1 General
N.4.2 Dielectric tests
N.4.2.2 Clearances verification <\/td>\n<\/tr>\n
266<\/td>\nN.4.2.2.2 Application of the test voltage
N.4.2.2.3 Impulse test voltage
N.4.2.2.4 Test
N.4.2.2.5 Results to be obtained
N.4.3 Examples of constructional measures <\/td>\n<\/tr>\n
267<\/td>\nFigure N.1 \u2013 Example of application with component connected between separated circuits <\/td>\n<\/tr>\n
268<\/td>\nAnnex O
(informative)
O.1 General
O.2 Scope of this annexObject <\/td>\n<\/tr>\n
269<\/td>\nO.3 Terms and definitions
O.3.1
O.3.2
O.3.3
O.3.4
O.3.5 <\/td>\n<\/tr>\n
270<\/td>\nO.3.6
O.3.7
O.3.8
O.3.9
O.3.10
O.3.11
O.3.12 <\/td>\n<\/tr>\n
271<\/td>\nO.3.13
O.3.14
O.3.15
O.3.16
O.3.17
O.3.18
O.3.19 <\/td>\n<\/tr>\n
272<\/td>\nO.3.20
O.4 General considerations <\/td>\n<\/tr>\n
274<\/td>\nFigure O.1 \u2013 Conceptual relationship between provisions in product standards and the environmental impacts associated with the product during its life cycle <\/td>\n<\/tr>\n
275<\/td>\nO.5 Fundamentals requirements of environmentally conscious design (ECD)
Figure O.2 \u2013 Overview of ECD process <\/td>\n<\/tr>\n
276<\/td>\nO.6 Environmentally conscious design process (ECD process)
O.6.1 General
O.6.2 Process steps of ECD <\/td>\n<\/tr>\n
277<\/td>\nO.7 Tools for including ECD in product design and development
O.8 Relevant ISO technical committees <\/td>\n<\/tr>\n
278<\/td>\nO.9 Reference documents for environmental conscious design <\/td>\n<\/tr>\n
279<\/td>\nAnnex P
(informative)
Table P.1 \u2013 Examples of terminal lugs for low voltage switchgear and controlgear connected to copper conductors <\/td>\n<\/tr>\n
280<\/td>\nAnnex Q
(normative)
Q.1 General
Q.2 Classification of equipment <\/td>\n<\/tr>\n
281<\/td>\nQ.3 Tests
Q.3.1 General test conditions
Q.3.2 Test sequences <\/td>\n<\/tr>\n
290<\/td>\nAnnex R
(normative)
Introduction
R.1 General
R.1R.2 Object <\/td>\n<\/tr>\n
291<\/td>\nR.2R.3 Definition of zones
R.2.1R.3.1 General
R.2.2R.3.2 Application of metal foil on accessible parts during normal operation or adjustment <\/td>\n<\/tr>\n
293<\/td>\nFigure R.1 \u2013 Operating mechanism outside the enclosure <\/td>\n<\/tr>\n
294<\/td>\nFigure R.2 \u2013 Operating space for push-button actuation <\/td>\n<\/tr>\n
295<\/td>\nFigure R.2 \u2013 Application of the metallic foil to operating areas around switch actuator <\/td>\n<\/tr>\n
297<\/td>\nFigure R.3 \u2013 Example of finger protected location for hazardous-live-parts in push-button vicinity
Figure R.4 \u2013 Example I of application of the foil <\/td>\n<\/tr>\n
298<\/td>\nFigure R.5 \u2013 Example II of application of the foil
Figure R.6 \u2013 Example III of application of the foil <\/td>\n<\/tr>\n
299<\/td>\nFigure R.7 \u2013 Application of metal foil on holes and grooves <\/td>\n<\/tr>\n
300<\/td>\nFigure R.4 \u2013 Operating space for actuation by rotary means <\/td>\n<\/tr>\n
301<\/td>\nFigure R.8 \u2013 Operating space for actuation by rotary means <\/td>\n<\/tr>\n
302<\/td>\nAnnex S
(normative)
S.1 ScopeGeneral
S.2 DefinitionsTerms and definitions
S.2.1
S.2.1
S.2.2 <\/td>\n<\/tr>\n
303<\/td>\nS.2.3S.2.2
S.2.4S.2.3
S.2.5S.2.4
S.3 Functional requirements
S.3.1 Rated values and operating ranges
Table S.1 \u2013 Rated values and operating ranges of incoming power supply <\/td>\n<\/tr>\n
304<\/td>\nFigure S.1 \u2013 I\/O parameters <\/td>\n<\/tr>\n
305<\/td>\nS.3.2.2 Digital inputs (current sinking)
S.3.2.2.2 Terminology (U\/I operation regions) <\/td>\n<\/tr>\n
306<\/td>\nFigure S.2 \u2013 U-I operation regions of current-sinking inputs <\/td>\n<\/tr>\n
307<\/td>\nFigure S.2 \u2013 U-I operation regions of current-sinking inputs <\/td>\n<\/tr>\n
308<\/td>\nS.3.2.2.3 Standard operating ranges for digital inputs (current sinking)
Table S.2 \u2013 Standard operating ranges for digital inputs (current sinking) <\/td>\n<\/tr>\n
310<\/td>\nS.3.2.3 Digital outputs for alternating currents (current sourcing)
S.3.2.3.2 Rated values and operating ranges (a.c.alternating current)
Table S.3 \u2013 Rated values and operating ranges for current sourcing digital a.c.AC outputs <\/td>\n<\/tr>\n
311<\/td>\nFigure S.3 \u2013 Temporary overload waveform for digital a.c.AC outputs <\/td>\n<\/tr>\n
312<\/td>\nS.3.2.3.3.2 Protected outputs
S.3.2.3.3.3 Short-circuit-proof outputs
S.3.2.3.3.4 Non-protected outputs
S.3.2.3.3.5 Electromechanical relay outputs <\/td>\n<\/tr>\n
313<\/td>\nS.3.2.4 Digital outputs for direct current (current sourcing)
S.3.2.4.2 Rated values and operating ranges (d.c.direct current) <\/td>\n<\/tr>\n
314<\/td>\nTable S.4 \u2013 Rated values and operating ranges (direct current) for current-sourcing digital DC outputs
Figure S.4 \u2013 Temporary overload waveform for digital d.c. outputs <\/td>\n<\/tr>\n
315<\/td>\nFigure S.4 \u2013 Temporary overload waveform for digital DC outputs
S.4 Verification of input\/output requirements
S.4.1 General
S.4.2 Verification of digital inputs <\/td>\n<\/tr>\n
316<\/td>\nS.4.2.2 Reversal of signal polarity test (withstand test)
S.4.3 Verification of digital outputs
S.4.3.2 Test of protected, not-protected, and short-circuit proof outputs
Table S.5 \u2013 Overload and short-circuit tests for digital outputs <\/td>\n<\/tr>\n
317<\/td>\nS.4.4 Behaviour of the equipment
S.5 General information to be provided by the manufacturer
S.5.1 Information on digital inputs (current sinking)
S.5.2 Information on digital outputs for alternating currents (current sourcing) <\/td>\n<\/tr>\n
318<\/td>\nS.5.3 Information on digital outputs for direct current (current sourcing)
S.6 Digital input standard operating range equations <\/td>\n<\/tr>\n
321<\/td>\nAnnex T
(normative)
T.1 ScopeObject
T.1.1 General
T.1.2 Ground\/earth fault detection function
T.2 DefinitionsTerms and definitions
T.2.1
T.2.2
T.2.3
T.2.4 <\/td>\n<\/tr>\n
322<\/td>\nT.2.5
T.2.6
T.3 Classification of electronic overload relays
T.4 Types of relays with ground\/earth fault detection function
T.5 Performance requirements
T.5.1 Limits of operation of ground\/earth fault electronic overload relays
Table T.1 \u2013OperatingTripping time of ground\/earth fault electronic overload relays <\/td>\n<\/tr>\n
323<\/td>\nT.5.2 Limits of operation of ground\/earth fault current sensing electronic relays Type CII(-A and -B)
T.5.3 Limits of operation of voltage asymmetry relays
T.5.4 Limits of operation of phase reversal relays
T.5.5 Limits of operation of current imbalance relays
T.5.6 Limits of operation of over-voltage relays and releases <\/td>\n<\/tr>\n
324<\/td>\nT.6.1 Limits of operation of ground\/earth fault current sensing electronic relays TypeTypes CI and CII (-A and -B)
T.6.2 Verification of inhibit function of ground\/earth fault current sensing electronic relays Type CII (-A and -B)
T.6.3 Current asymmetry relays
T.6.4 Voltage asymmetry relays
T.6.5 Phase reversal relays <\/td>\n<\/tr>\n
325<\/td>\nT.7 Routine and sampling tests
Figure T.1 \u2013 Test circuit for the verification of the operating characteristic of a ground\/earth fault current sensing electronic relay <\/td>\n<\/tr>\n
326<\/td>\nFigure T.1 \u2013 Test circuit for the verification of the operating characteristic of a ground\/earth fault current sensing electronic relay <\/td>\n<\/tr>\n
327<\/td>\nAnnex U
(informative)
U.1 External control device (ECD)
U.1.1 Definition
U.1.1.1
U.1.2 Diagrammatic representation of an external control device <\/td>\n<\/tr>\n
328<\/td>\nU.2 Control circuit configurations
U.2.1 Equipment with external control supply <\/td>\n<\/tr>\n
330<\/td>\nU.2.4U.2.3 Equipment with bus interface <\/td>\n<\/tr>\n
331<\/td>\nAnnex V
(informative)
V.1 General
V.2 Scope of this annexObject
V.3 Terms and definitions
V.3.1
V.3.2
V.3.3
V.3.4 <\/td>\n<\/tr>\n
332<\/td>\nV.3.5
V.3.6
V.3.7
V.4 Electrical energy efficiency and safety
V.5 Principles on electrical energy efficiency (system approach)
V.5.1 General
V.5.2 Strategy of energy management
V.5.3 Power management with automation and control <\/td>\n<\/tr>\n
333<\/td>\nV.6 Energy efficiency application
V.6.1 Saving of semiconductor losses
V.6.2 Power factor correction
V.6.3 Load shedding
V.6.4 Motor control for fixed speed applications <\/td>\n<\/tr>\n
334<\/td>\nAnnex W
(normative)
W.1 General
W.2 Scope of this annexObject
W.3 Reference documentsdocument
W.4 Terms and definitions
W.4.1
W.4.2 <\/td>\n<\/tr>\n
335<\/td>\nW.4.1
W.4.2
W.4.3
W.4.4
W.4.5 <\/td>\n<\/tr>\n
336<\/td>\nW.5 Material declaration requirements
W.5.1 General reporting requirements
W.5.2 Additional reporting requirements <\/td>\n<\/tr>\n
337<\/td>\nW.6 Example of material declaration made according to W.5
Table W.1 \u2013 Example of main and business information in tabular form <\/td>\n<\/tr>\n
338<\/td>\nFigure W.1 \u2013 Example of Main and Business information, graphical representation of the XML code <\/td>\n<\/tr>\n
339<\/td>\nFigure W.2 \u2013 Example of product information, graphical representation of the XML code
Table W.3 \u2013 Example of declarable substances information in tabular form <\/td>\n<\/tr>\n
340<\/td>\nFigure W.3 \u2013 Example of declarable substances information, graphical representation of the XML code <\/td>\n<\/tr>\n
341<\/td>\nTable W.4 \u2013 Example of material classes information in tabular form <\/td>\n<\/tr>\n
342<\/td>\nAnnex X
(normative)
X.1 General
X.2 Object <\/td>\n<\/tr>\n
343<\/td>\nX.3 General requirements for the co-ordination of a circuit-breaker or CPS with another SCPD
X.3.1 General considerations
X.3.2 Take-over current (IB)
X.3.3 Behaviour of C1 in association with another SCPD
X.4 Type and characteristics of the associated SCPD
X.5 Verification of selectivity
X.5.1 General <\/td>\n<\/tr>\n
344<\/td>\nX.5.2 Consideration of selectivity by desk study
X.5.2.2 Determination of selectivity in the fault current (short-circuit) zone <\/td>\n<\/tr>\n
345<\/td>\nX.5.2.3 Determination of selectivity limit current for specific installation conditions
X.5.3 Selectivity determined by test <\/td>\n<\/tr>\n
346<\/td>\nX.6 Verification of back-up protection
X.6.1 Determination of the take-over current
X.6.2 Verification of back-up protection
X.6.3 Tests for verification of back-up protection <\/td>\n<\/tr>\n
347<\/td>\nX.6.4 Results to be obtained <\/td>\n<\/tr>\n
348<\/td>\nFigure X.1 \u2013 Overcurrent co-ordination between a circuit-breaker or CPS and a fuse or back-up protection by a fuse: operating characteristics <\/td>\n<\/tr>\n
349<\/td>\nFigure X.2 \u2013 Total selectivity between two circuit-breakers or a circuit-breaker and a CPS <\/td>\n<\/tr>\n
350<\/td>\nFigure X.3 \u2013 Back-up protection by a circuit-breaker or CPS \u2013 Operating characteristics <\/td>\n<\/tr>\n
351<\/td>\nFigure X.4 \u2013 Example of test circuit for conditional short-circuit breaking capacity tests showing cable connections for a 3-pole circuit-breaker or CPS (C1) <\/td>\n<\/tr>\n
352<\/td>\nFigure X.5 \u2013 Example of test circuit for the verification of selectivity <\/td>\n<\/tr>\n
353<\/td>\nBibliography <\/td>\n<\/tr>\n
355<\/td>\nBibliography <\/td>\n<\/tr>\n
359<\/td>\n(normative) <\/td>\n<\/tr>\n
366<\/td>\n30351537-WEB.pdf
undefined <\/td>\n<\/tr>\n
370<\/td>\nAnnex ZA (normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n
379<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
390<\/td>\nFOREWORD <\/td>\n<\/tr>\n
393<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
394<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
398<\/td>\n3 Terms, definitions, symbols and reference clauses
3.1 General
3.2 Alphabetical index of definitions <\/td>\n<\/tr>\n
403<\/td>\n3.3 General terms and definitions <\/td>\n<\/tr>\n
407<\/td>\n3.4 Switching devices <\/td>\n<\/tr>\n
410<\/td>\n3.5 Parts of switching devices <\/td>\n<\/tr>\n
416<\/td>\n3.6 Operation of switching devices <\/td>\n<\/tr>\n
421<\/td>\n3.7 Characteristic quantities <\/td>\n<\/tr>\n
431<\/td>\n3.8 Tests
3.9 Ports
3.10 Symbols and references clauses for characteristics described in this document <\/td>\n<\/tr>\n
432<\/td>\n4 Classification
5 Characteristics
5.1 Summary of the characteristics <\/td>\n<\/tr>\n
433<\/td>\n5.2 Type of equipment
5.3 Rated and limiting values for the main circuit <\/td>\n<\/tr>\n
439<\/td>\n5.4 Utilization category
5.5 Control circuits <\/td>\n<\/tr>\n
440<\/td>\n5.6 Auxiliary circuits
5.7 Relays and releases
5.8 Co-ordination with short-circuit protective devices (SCPD)
6 Product information
6.1 Nature of information <\/td>\n<\/tr>\n
441<\/td>\n6.2 Marking <\/td>\n<\/tr>\n
442<\/td>\n6.3 Instructions for installation, operation and maintenance, decommissioning and dismantling <\/td>\n<\/tr>\n
443<\/td>\n6.4 Environmental information
7 Normal service, mounting and transport conditions
7.1 Normal service conditions <\/td>\n<\/tr>\n
445<\/td>\n7.2 Conditions during transport and storage
7.3 Mounting
8 Constructional and performance requirements
8.1 Constructional requirements <\/td>\n<\/tr>\n
454<\/td>\n8.2 Performance requirements <\/td>\n<\/tr>\n
461<\/td>\n8.3 Electromagnetic compatibility (EMC) <\/td>\n<\/tr>\n
462<\/td>\n9 Tests
9.1 Kinds of test <\/td>\n<\/tr>\n
464<\/td>\n9.2 Compliance with constructional requirements <\/td>\n<\/tr>\n
471<\/td>\n9.3 Performance <\/td>\n<\/tr>\n
491<\/td>\n9.4 Tests for EMC <\/td>\n<\/tr>\n
493<\/td>\nTables
Table 1 \u2013 Nominal cross-sections of round copper conductors and approximate relationship between mm2 and AWG\/kcmil sizes (see 8.1.8.2) <\/td>\n<\/tr>\n
494<\/td>\nTable 2 \u2013 Temperature-rise limits of terminals (see 8.2.2.2 and 9.3.3.3.4)
Table 3 \u2013 Temperature-rise limits of accessible parts (see 8.2.2.3 and 9.3.3.3.4) <\/td>\n<\/tr>\n
495<\/td>\nTable 4 \u2013 Tightening torques for the verification of the mechanical strength of screw-type terminals (see 9.2.5.2 and 9.3.2.1) <\/td>\n<\/tr>\n
496<\/td>\nTable 5 \u2013 Test values for flexion and pull-out tests for round copper conductors (see 9.2.5.4.1)
Table 6 \u2013 Test values for pull-out test for flat copper conductors (see 9.2.5.4.2) <\/td>\n<\/tr>\n
497<\/td>\nTable 7 \u2013 Maximum conductor cross-sections and corresponding gauges (see 9.2.5.5.1) <\/td>\n<\/tr>\n
498<\/td>\nTable 8 \u2013 Relationship between conductor cross-section and diameter <\/td>\n<\/tr>\n
499<\/td>\nTable 9 \u2013 Test copper conductors for test currents up to 400 A inclusive (see 9.3.3.3.4) <\/td>\n<\/tr>\n
500<\/td>\nTable 10 \u2013 Test copper conductors for test currents above 400 A and up to 800 A inclusive (see 9.3.3.3.4)
Table 11 \u2013 Test copper bars for test currents above 400 A and up to 3 150 A inclusive (see 9.3.3.3.4) <\/td>\n<\/tr>\n
501<\/td>\nTable 12 \u2013 Impulse withstand test voltages
Table 13 \u2013 Minimum clearances in air <\/td>\n<\/tr>\n
502<\/td>\nTable 14 \u2013 Test voltages across the open contacts of equipment suitable for isolation
Table 15 \u2013 Minimum creepage distances <\/td>\n<\/tr>\n
503<\/td>\nTable 16 \u2013 Values of power-factors and time-constants corresponding to test currents, and ratio n between peak and RMS values of current (see 9.3.4.3, item a)) <\/td>\n<\/tr>\n
504<\/td>\nTable 17 \u2013 Actuator test force (see 9.2.6.2.1)
Table 18 \u2013 Tolerances on test quantities (see 9.3.4.3, item a))
Table 19 \u2013 Dielectric test voltage corresponding to the rated insulation voltage <\/td>\n<\/tr>\n
505<\/td>\nTable 20 \u2013 Test values for conduit pull-out test (see 9.2.8.2)
Table 21 \u2013 Test values for conduit bending test (see 9.2.8.3)
Table 22 \u2013 Test values for conduit torque test (see 9.2.8.2 and 9.2.8.4) <\/td>\n<\/tr>\n
506<\/td>\nTable 23 \u2013 Tests for EMC \u2013 Immunity (see 9.4.1) <\/td>\n<\/tr>\n
507<\/td>\nTable 24 \u2013 Acceptance criteria when EM disturbances are present
Table 25 \u2013 Cross-sectional area of a copper protective conductor <\/td>\n<\/tr>\n
508<\/td>\nFigures
Figure 1 \u2013 Test equipment for flexion test (see 9.2.5.3 and Table 5)
Figure 2 \u2013 Gauges of form A and form B (see 9.2.5.5.2 and Table 7) <\/td>\n<\/tr>\n
509<\/td>\nFigure 3 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a single-pole equipment on single-phase AC or on direct current (see 9.3.3.5.2) <\/td>\n<\/tr>\n
510<\/td>\nFigure 4 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a two-pole equipment on single-phase AC or on direct current (see 9.3.3.5.2) <\/td>\n<\/tr>\n
511<\/td>\nFigure 5 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a three-pole equipment (see 9.3.3.5.2) <\/td>\n<\/tr>\n
512<\/td>\nFigure 6 \u2013 Diagram of the test circuit for the verification of making and breaking capacities of a four-pole equipment (see 9.3.3.5.2) <\/td>\n<\/tr>\n
513<\/td>\nFigure 7 \u2013 Schematic illustration of the recovery voltage across contacts of the first phase to clear under ideal conditions (see 9.3.3.5.2, item e)) <\/td>\n<\/tr>\n
514<\/td>\nFigure 8 \u2013 Diagram of a load circuit adjustment method <\/td>\n<\/tr>\n
515<\/td>\nFigure 9 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a single-pole equipment on single-phase AC or on direct current (see 9.3.4.1.2) <\/td>\n<\/tr>\n
516<\/td>\nFigure 10 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a two-pole equipment on single-phase AC or on direct current (see 9.3.4.1.2) <\/td>\n<\/tr>\n
517<\/td>\nFigure 11 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a three-pole equipment (see 9.3.4.1.2) <\/td>\n<\/tr>\n
518<\/td>\nFigure 12 \u2013 Diagram of the test circuit for the verification of short-circuit making and breaking capacities of a four-pole equipment (see 9.3.4.1.2) <\/td>\n<\/tr>\n
519<\/td>\nFigure 13 \u2013 Example of short-circuit making and breaking test record in the case of a single-pole equipment on single-phase AC (see 9.3.4.1.8) <\/td>\n<\/tr>\n
520<\/td>\nFigure 14 \u2013 Verification of short-circuit making and breaking capacities on direct current (see 9.3.4.1.8) <\/td>\n<\/tr>\n
521<\/td>\nFigure 15 \u2013 Determination of the prospective breaking current when the first calibration of the test circuit has been made at a current lower than the rated breaking capacity (see 9.3.4.1.8, item b)) <\/td>\n<\/tr>\n
522<\/td>\nFigure 16 \u2013 Actuator test force (see 9.2.6.2.1 and Table 17) <\/td>\n<\/tr>\n
523<\/td>\nAnnexes
Annex A (informative) Harmonisation of utilization categories for low-voltage switchgear and controlgear
Table A.1 \u2013 Utilization categories used in the IEC 60947 series <\/td>\n<\/tr>\n
526<\/td>\nAnnex B (Vacant) <\/td>\n<\/tr>\n
527<\/td>\nAnnex C (normative) Degrees of protection of enclosed equipment <\/td>\n<\/tr>\n
531<\/td>\nTable C.1 \u2013 IP Codes (1 of 3) <\/td>\n<\/tr>\n
534<\/td>\nAnnex D (informative) Examples of clamping units and relationship between clamping unit and connecting device
Figure D.1 \u2013 Clamping unit in a connecting device <\/td>\n<\/tr>\n
535<\/td>\nFigure D.2 \u2013 Screw clamping units <\/td>\n<\/tr>\n
536<\/td>\nFigure D.3 \u2013 Pillar clamping units <\/td>\n<\/tr>\n
537<\/td>\nFigure D.4 \u2013 Stud clamping units <\/td>\n<\/tr>\n
538<\/td>\nFigure D.5 \u2013 Saddle clamping units <\/td>\n<\/tr>\n
539<\/td>\nFigure D.6 \u2013 Lug clamping units <\/td>\n<\/tr>\n
540<\/td>\nFigure D.7 \u2013 Mantle clamping units <\/td>\n<\/tr>\n
541<\/td>\nFigure D.8 \u2013 Screwless-type clamping units (sketches) <\/td>\n<\/tr>\n
542<\/td>\nAnnex E (informative) Description of a method for adjusting the load circuit <\/td>\n<\/tr>\n
543<\/td>\nFigure E.1 \u2013 Determination of the actual value of the factor \u03b3 <\/td>\n<\/tr>\n
544<\/td>\nAnnex F (informative) Determination of short-circuit power-factor or time-constant <\/td>\n<\/tr>\n
546<\/td>\nAnnex G (informative) Measurement of creepage distances and clearances
Table G.1 \u2013 Minimum widths of grooves <\/td>\n<\/tr>\n
547<\/td>\nFigure G.1 \u2013 Measurement of ribs
Figure G.2 \u2013 Creepage distance across the fixed and moving insulation of contact carriers <\/td>\n<\/tr>\n
548<\/td>\nFigure G.3 \u2013 Example 1
Figure G.4 \u2013 Example 2
Figure G.5 \u2013 Example 3 <\/td>\n<\/tr>\n
549<\/td>\nFigure G.6 \u2013 Example 4
Figure G.7 \u2013 Example 5
Figure G.8 \u2013 Example 6 <\/td>\n<\/tr>\n
550<\/td>\nFigure G.9 \u2013 Example 7
Figure G.10 \u2013 Example 8 <\/td>\n<\/tr>\n
551<\/td>\nFigure G.11 \u2013 Example 9
Figure G.12 \u2013 Example 10 <\/td>\n<\/tr>\n
552<\/td>\nFigure G.13 \u2013 Example 11 <\/td>\n<\/tr>\n
553<\/td>\nAnnex H (informative) Correlation between the nominal voltage of the supply system and the rated impulse withstand voltage of equipment <\/td>\n<\/tr>\n
554<\/td>\nTable H.1 \u2013 Correspondence between the nominal voltage of the supply system and the equipment rated impulse withstand voltage, in case of overvoltage protection by surge-arresters according to IEC 60099-1 <\/td>\n<\/tr>\n
555<\/td>\nAnnex J informative) Items subject to agreement between manufacturer and user <\/td>\n<\/tr>\n
556<\/td>\nAnnex K (normative) Procedure to determine reliability data for electromechanical devices used in functional safety applications <\/td>\n<\/tr>\n
559<\/td>\nTable K.1 \u2013 Failure modes of devices <\/td>\n<\/tr>\n
563<\/td>\nTable K.2 \u2013 Example of 15 sorted ascending times to failure of contactors <\/td>\n<\/tr>\n
564<\/td>\nTable K.3 \u2013 Example median rank calculation <\/td>\n<\/tr>\n
565<\/td>\nFigure K.1 \u2013 Plot of Weibull median rank regression <\/td>\n<\/tr>\n
566<\/td>\nAnnex L (normative) Terminal marking and distinctive number <\/td>\n<\/tr>\n
577<\/td>\nAnnex M (normative) Flammability test
Figure M.1 \u2013 Test fixture for hot wire ignition test <\/td>\n<\/tr>\n
579<\/td>\nFigure M.2 \u2013 Circuit for arc ignition test <\/td>\n<\/tr>\n
580<\/td>\nTable M.1 \u2013 HWI and AI characteristics for materials necessary to retain current carrying parts in position
Table M.2 \u2013 HWI and AI characteristics for materials other than those covered by Table M.1 <\/td>\n<\/tr>\n
581<\/td>\nAnnex N (normative) Requirements and tests for equipment with protective separation <\/td>\n<\/tr>\n
585<\/td>\nFigure N.1 \u2013 Example of application with component connected between separated circuits <\/td>\n<\/tr>\n
586<\/td>\nAnnex O (informative) Environmentally conscious design <\/td>\n<\/tr>\n
591<\/td>\nFigure O.1 \u2013 Conceptual relationship between provisions in product standards and the environmental impacts associated with the product during its life cycle <\/td>\n<\/tr>\n
592<\/td>\nFigure O.2 \u2013 Overview of ECD process <\/td>\n<\/tr>\n
595<\/td>\nAnnex P (informative) Terminal lugs for low voltage switchgear and controlgear connected to copper conductors
Figure P.1 \u2013 Dimensions
Table P.1 \u2013 Examples of terminal lugs for low voltage switchgear and controlgear connected to copper conductors <\/td>\n<\/tr>\n
596<\/td>\nAnnex Q (normative) Special tests \u2013 Tests for environmental categories <\/td>\n<\/tr>\n
598<\/td>\nTable Q.1 \u2013 Test sequences <\/td>\n<\/tr>\n
602<\/td>\nAnnex R (normative) Application of the metal foil for dielectric testing on accessible parts during operation or adjustment <\/td>\n<\/tr>\n
604<\/td>\nFigure R.1 \u2013 Operating mechanism outside the enclosure <\/td>\n<\/tr>\n
605<\/td>\nFigure R.2 \u2013 Application of the metallic foil to operating areas around switch actuator <\/td>\n<\/tr>\n
606<\/td>\nFigure R.3 \u2013 Example of finger protected location for hazardous-live-parts in push-button vicinity
Figure R.4 \u2013 Example I of application of the foil <\/td>\n<\/tr>\n
607<\/td>\nFigure R.5 \u2013 Example II of application of the foil
Figure R.6 \u2013 Example III of application of the foil <\/td>\n<\/tr>\n
608<\/td>\nFigure R.7 \u2013 Application of metal foil on holes and grooves <\/td>\n<\/tr>\n
609<\/td>\nFigure R.8 \u2013 Operating space for actuation by rotary means <\/td>\n<\/tr>\n
610<\/td>\nAnnex S (normative) Digital inputs and outputs <\/td>\n<\/tr>\n
611<\/td>\nTable S.1 \u2013 Rated values and operating ranges of incoming power supply <\/td>\n<\/tr>\n
612<\/td>\nFigure S.1 \u2013 I\/O parameters <\/td>\n<\/tr>\n
613<\/td>\nFigure S.2 \u2013 U-I operation regions of current-sinking inputs <\/td>\n<\/tr>\n
614<\/td>\nTable S.2 \u2013 Standard operating ranges for digital inputs (current sinking) <\/td>\n<\/tr>\n
615<\/td>\nTable S.3 \u2013 Rated values and operating ranges for current sourcing digital AC outputs <\/td>\n<\/tr>\n
616<\/td>\nFigure S.3 \u2013 Temporary overload waveform for digital AC outputs <\/td>\n<\/tr>\n
618<\/td>\nTable S.4 \u2013 Rated values and operating ranges (direct current) for current-sourcing digital DC outputs <\/td>\n<\/tr>\n
619<\/td>\nFigure S.4 \u2013 Temporary overload waveform for digital DC outputs <\/td>\n<\/tr>\n
621<\/td>\nTable S.5 \u2013 Overload and short-circuit tests for digital outputs <\/td>\n<\/tr>\n
625<\/td>\nAnnex T (normative) Extended functions within electronic overload relays <\/td>\n<\/tr>\n
626<\/td>\nTable T.1 \u2013 Tripping time of ground\/earth fault electronic overload relays <\/td>\n<\/tr>\n
629<\/td>\nFigure T.1 \u2013 Test circuit for the verification of the operating characteristic of a ground\/earth fault current sensing electronic relay <\/td>\n<\/tr>\n
630<\/td>\nAnnex U (informative) Examples of control circuit configurations
Figure U.1 \u2013 Diagrammatic representation of an external control device <\/td>\n<\/tr>\n
631<\/td>\nFigure U.2 \u2013 Single supply and control input
Figure U.3 \u2013 Separate supply and control inputs
Figure U.4 \u2013 Equipment with several external control supplies <\/td>\n<\/tr>\n
632<\/td>\nFigure U.5 \u2013 Equipment with bus interface <\/td>\n<\/tr>\n
633<\/td>\nAnnex V (informative) Power management with switchgear and controlgear for electrical energy efficiency <\/td>\n<\/tr>\n
636<\/td>\nAnnex W (normative) Procedure to establish material declaration <\/td>\n<\/tr>\n
639<\/td>\nTable W.1 \u2013 Example of main and business information in tabular form <\/td>\n<\/tr>\n
640<\/td>\nFigure W.1 \u2013 Example of Main and Business information, graphical representation of the XML code
Table W.2 \u2013 Example of product information in tabular form <\/td>\n<\/tr>\n
641<\/td>\nFigure W.2 \u2013 Example of product information, graphical representation of the XML code
Table W.3 \u2013 Example of declarable substances information in tabular form <\/td>\n<\/tr>\n
642<\/td>\nFigure W.3 \u2013 Example of declarable substances information, graphical representation of the XML code <\/td>\n<\/tr>\n
643<\/td>\nFigure W.4 \u2013 Example of material classes information, graphical representation of the XML code
Table W.4 \u2013 Example of material classes information in tabular form <\/td>\n<\/tr>\n
644<\/td>\nAnnex X (normative) Co-ordination between circuit-breaker or CPS and another short-circuit protective device associated in the same circuit <\/td>\n<\/tr>\n
650<\/td>\nFigure X.1 \u2013 Overcurrent co-ordination between a circuit-breaker or CPS and a fuse or back-up protection by a fuse: operating characteristics <\/td>\n<\/tr>\n
651<\/td>\nFigure X.2 \u2013 Total selectivity between two circuit-breakers or a circuit-breaker and a CPS <\/td>\n<\/tr>\n
652<\/td>\nFigure X.3 \u2013 Back-up protection by a circuit-breaker or CPS \u2013 Operating characteristics <\/td>\n<\/tr>\n
653<\/td>\nFigure X.4 \u2013 Example of test circuit for conditional short-circuit breaking capacity tests showing cable connections for a 3-pole circuit-breaker or CPS (C1) <\/td>\n<\/tr>\n
654<\/td>\nFigure X.5 \u2013 Example of test circuit for the verification of selectivity <\/td>\n<\/tr>\n
655<\/td>\nBibliography <\/td>\n<\/tr>\n
665<\/td>\n1 Overview
1.1 Reasons for changes
1.2 Summary
1 Overview
1.1 Reasons for changes
1.2 Summary <\/td>\n<\/tr>\n
666<\/td>\n2 Main commentary
2.1 A more definitive and complete standard
2 Main commentary
2.1 A more definitive and complete standard <\/td>\n<\/tr>\n
667<\/td>\n2.2 Editorial changes
2.3 Environmentally conscious design
2.4 Material declaration
2.2 Editorial changes
2.3 Environmentally conscious design
2.4 Material declaration <\/td>\n<\/tr>\n
668<\/td>\n2.5 Coordination between short circuit protective devices
2.6 EMC
2.7 Dielectric requirements
2.8 Switching overvoltages
2.5 Coordination between short circuit protective devices
2.6 EMC
2.7 Dielectric requirements
2.8 Switching overvoltages <\/td>\n<\/tr>\n
669<\/td>\n2.9 New terms associated with safety
3 Wider context
4 Conclusion
2.9 New terms associated with safety
3 Wider context
4 Conclusion <\/td>\n<\/tr>\n
670<\/td>\n5 Further reading
Author
Technical reviewers
5 Further reading
Author
Technical reviewers <\/td>\n<\/tr>\n
671<\/td>\nDisclaimer
Disclaimer <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

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