{"id":373281,"date":"2024-10-20T02:33:15","date_gmt":"2024-10-20T02:33:15","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iec-60947-32021-tc\/"},"modified":"2024-10-26T04:29:37","modified_gmt":"2024-10-26T04:29:37","slug":"bs-en-iec-60947-32021-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iec-60947-32021-tc\/","title":{"rendered":"BS EN IEC 60947-3:2021 – TC"},"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
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\ncompares BS EN IEC 60947\u20113:2021 <\/td>\n<\/tr>\n
2<\/td>\nTRACKED CHANGES
Text example 1 \u2014 indicates added text (in green) <\/td>\n<\/tr>\n
4<\/td>\nCompliance with a British Standard cannot confer immunity from legal obligations.
Amendments\/corrigenda issued since publication <\/td>\n<\/tr>\n
5<\/td>\n(CEI 60947-3:2008)(IEC 60947-3:2020) Niederspannungsschaltger\u00e4te – Teil 3: Lastschalter, Trennschalter, Lasttrennschalter und Schalter-Sicherungs-Einheiten <\/td>\n<\/tr>\n
6<\/td>\nForewordEuropean foreword
Endorsement notice
Foreword amendment A1 <\/td>\n<\/tr>\n
7<\/td>\nEndorsement notice
Endorsement notice <\/td>\n<\/tr>\n
11<\/td>\nTable ZZA.1 \u2014 Correspondence between this European standard and the Essential Requirements set out in Directive 2014\/30\/EU [2014 OJ L96] <\/td>\n<\/tr>\n
12<\/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
13<\/td>\nCONTENTS <\/td>\n<\/tr>\n
18<\/td>\nINTERNATIONAL ELECTROTECHNICAL COMMISSION <\/td>\n<\/tr>\n
20<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
21<\/td>\nLOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR \u2013
1.11 Scope and object <\/td>\n<\/tr>\n
22<\/td>\n1.22 Normative references <\/td>\n<\/tr>\n
23<\/td>\n23 Terms, definitions and index of terms
2.13.1 General
2.23.2 Alphabetical index of terms <\/td>\n<\/tr>\n
24<\/td>\n2.3 Terms and definitions
3.3 General terms
2.3.13.3.1
2.3.23.3.2
2.3.33.3.3
2.3.3.13.3.3.1 <\/td>\n<\/tr>\n
25<\/td>\n2.3.3.23.3.3.2
2.3.43.3.4
2.3.4.13.3.4.1
2.3.4.23.3.4.2
2.3.5.13.3.5.1
2.3.5.23.3.5.2
2.3.63.3.6
2.3.6.13.3.6.1
2.3.6.23.3.6.2 <\/td>\n<\/tr>\n
26<\/td>\n2.3.73.3.7
2.3.7.13.3.7.1
2.3.7.23.3.7.2
2.3.83.3.8
2.3.8.13.3.8.1
2.3.8.23.3.8.2
2.3.93.3.9
2.3.103.3.10
4 Classification
4.1 According to the utilization category <\/td>\n<\/tr>\n
27<\/td>\n4.2 According to the method of operation
4.2.2 Remotely operated equipment
4.3 According to suitability for isolation
4.4 According to the degree of protection provided
2.44.5 Summary of the symbols for equipment types
Table 1 \u2013 Summary of equipment definitions <\/td>\n<\/tr>\n
28<\/td>\n3 Classification
3.1 According to the utilization category
3.2 According to the method of operation of manually operated equipment
3.3 According to suitability for isolation
3.4 According to the degree of protection provided
4.25.2 Type of equipment
4.35.3 Rated and limiting values for the main circuit <\/td>\n<\/tr>\n
29<\/td>\n4.3.15.3.2 Rated voltages
4.3.1.25.3.2.2 Rated insulation voltage (Ui)
4.3.1.35.3.2.3 Rated impulse withstand voltage (Uimp)
4.3.25.3.3 Currents
4.3.2.15.3.3.2 Conventional free air thermal current (Ith)
4.3.2.25.3.3.3 Conventional enclosed thermal current (Ithe)
4.3.2.35.3.3.4 Rated operational currentscurrent (Ie) or rated operational powerspower
4.3.2.45.3.3.5 Rated uninterrupted current (Iu)
4.3.35.3.4 Rated frequency
4.3.45.3.5 Rated duty
4.3.4.15.3.5.2 Eight-hour duty
4.3.4.25.3.5.3 Uninterrupted duty <\/td>\n<\/tr>\n
30<\/td>\n4.3.55.3.6 Normal load and overload characteristics
4.3.5.25.3.6.2 Rated making capacity
4.3.5.35.3.6.3 Rated breaking capacity
4.3.65.3.7 Short-circuit characteristics
4.3.6.25.3.7.2 Rated short-circuit making capacity (Icm)
4.3.6.3 Vacant
5.3.7.3 Void
4.45.4 Utilization category <\/td>\n<\/tr>\n
31<\/td>\nTable 2 \u00b1\u2013 Utilization categories <\/td>\n<\/tr>\n
32<\/td>\n4.55.5 Control circuits
4.65.6 Auxiliary circuits
4.75.7 Relays and releases
4.85.8 Co-ordination with short-circuit protective devices (SCPD)
56 Product information
5.16.1 Nature of information
5.26.2 Marking <\/td>\n<\/tr>\n
33<\/td>\n5.2.4 The following data shall be made available in the manufacturer’s published information: <\/td>\n<\/tr>\n
34<\/td>\nTable 3 \u2013 Product information
5.36.3 Instructions for installation, operation and maintenance, decommissioning and dismantling <\/td>\n<\/tr>\n
35<\/td>\n67 Normal service, mounting and transport conditions Clause 6 of IEC 60947-1 applies with the following addition.
78 Constructional and performance requirements
7.18.1 Constructional requirements
7.1.2.28.1.2.2 Glow wire testing
7.1.78.1.7 Additional requirements for equipment suitable for isolation <\/td>\n<\/tr>\n
36<\/td>\n7.1.7.18.1.7.2 Additional constructional requirements
7.1.98.1.9 Additional requirements for equipment provided with a neutral pole
7.28.2 Performance requirements <\/td>\n<\/tr>\n
37<\/td>\n7.2.1.28.2.1.2 Limits of operation of power operated equipment
7.2.1.38.2.1.3 Limits of operation of under-voltage relays and releases.
7.2.1.48.2.1.4 Limits of operation of shunt releases
7.2.28.2.2 Temperature-rise
7.2.38.2.3 Dielectric properties
7.2.3.18.2.3.2 Impulse withstand voltage
7.2.3.28.2.3.3 Power-frequency or DC withstand voltage of the main, auxiliary and control circuits
7.2.48.2.4 Ability to make and break under no-load, normal load and overload conditions <\/td>\n<\/tr>\n
38<\/td>\nTable 3 \u00b14 \u2013 Verification of rated making and breaking capacities (see 8.3.3.3\u00b19.3.4.4) \u2013 Conditions for making and breaking corresponding to the various utilization categories <\/td>\n<\/tr>\n
39<\/td>\nTable 45 \u2013 Verification of operational performance \u2013 Number of operating cycles corresponding to the rated operational current
7.2.4.48.2.4.4 Electrical durability <\/td>\n<\/tr>\n
40<\/td>\n7.2.58.2.5 Ability to make, break or withstand short-circuit currents
7.2.68.2.6 VacantVoid
7.2.8 Vacant
8.2.8 Critical load current performance: DC equipment
7.2.98.2.9 Overload requirements for equipment incorporating fuses
7.38.3 Electromagnetic compatibility (EMC)
7.3.18.3.1 General
7.3.28.3.2 Immunity
7.3.2.1 Equipment not incorporating electronic circuits <\/td>\n<\/tr>\n
41<\/td>\n7.3.2.28.3.2.2 Equipment incorporating electronic circuits
Table 6 \u2013 Immunity tests
Table 7 \u2013 Immunity tests a <\/td>\n<\/tr>\n
42<\/td>\n7.3.38.3.3 Emission
7.3.3.28.3.3.2 Equipment incorporating electronic circuits
Table 7Table 8 \u2013 Emission limits <\/td>\n<\/tr>\n
43<\/td>\n89 Tests
8.1 Kind of tests
9.1 Kinds of test
89.1.1 General
8.1.29.1.2 Type tests
8.1.39.1.3 Routine tests
8.1.3.1 General
8.1.3.29.1.3.2 Mechanical operation test
8.1.3.39.1.3.3 Dielectric test
8.1.49.1.4 Sampling tests <\/td>\n<\/tr>\n
44<\/td>\n8.1.59.1.5 Special tests
8.29.2 Type tests for Compliance with constructional requirements
9.2.1 General
8.2.49.2.5 Mechanical and electrical properties of terminals
8.2.59.2.6 Verification of the effectiveness of indication of the main contactscontact position of equipment suitable for isolation
8.2.5.19.2.6.2 Condition of equipment for tests <\/td>\n<\/tr>\n
45<\/td>\nTable 9 \u2013 List of type tests applicable to a given equipment
8.39.3 Performance
9.3.1 General
8.3.19.3.2 Test sequences <\/td>\n<\/tr>\n
46<\/td>\nTable 10 \u2013 Overall scheme of test sequences
8.3.29.3.3 General test conditions <\/td>\n<\/tr>\n
47<\/td>\n8.3.2.1.19.3.3.2 Simplified test for equipment having the same fundamental design
8.3.2.1.29.3.3.3 Requirements for equipment having the same fundamental design
8.3.2.1.39.3.3.4 Simplified test procedure <\/td>\n<\/tr>\n
48<\/td>\n8.3.2.29.3.3.5 Test quantities
9.3.3.6 DC test current ripple
8.3.2.39.3.3.7 Evaluation of test results <\/td>\n<\/tr>\n
49<\/td>\n8.3.2.49.3.3.8 Test reportreports
8.3.39.3.4 Test sequence I: general performance characteristics
8.3.3.19.3.4.2 Temperature-rise <\/td>\n<\/tr>\n
50<\/td>\nTable 11 \u2013 Test sequence I: general performance characteristics
8.3.3.39.3.4.4 Making and breaking capacities <\/td>\n<\/tr>\n
51<\/td>\n8.3.3.3.29.3.4.4.2 Test circuit
8.3.3.3.39.3.4.4.3 Transient Characteristics of transient recovery voltage
8.3.3.3.59.3.4.4.4 Behaviour of the equipment during and after making and breaking capacity tests <\/td>\n<\/tr>\n
52<\/td>\n8.3.3.3.69.3.4.4.5 Condition of equipment after the making and breaking capacity tests
8.3.3.49.3.4.5 Dielectric verification
8.3.3.59.3.4.6 Leakage current
8.3.3.69.3.4.7 Temperature-rise verification <\/td>\n<\/tr>\n
53<\/td>\nTable 12 \u2013 Temperature-rise limits for terminals and accessible parts
8.3.3.79.3.4.8 Strength of actuator mechanism
8.3.49.3.5 Test sequence II: operational performance capability
Table 13 \u2013 Test sequence II: operational performance capability <\/td>\n<\/tr>\n
54<\/td>\n8.3.4.1.29.3.5.2.2 Test circuit
8.3.4.1.39.3.5.2.3 Transient recovery voltage
8.3.4.1.49.3.5.2.4 Switching overvoltages
8.3.4.1.59.3.5.2.5 Behaviour of the equipment during the operational performance test
8.3.4.1.69.3.5.2.6 Condition of the equipment after the operational performance test <\/td>\n<\/tr>\n
55<\/td>\n8.3.4.29.3.5.3 Dielectric verification
8.3.4.39.3.5.4 Leakage current
8.3.4.49.3.5.5 Temperature-rise verification
8.3.59.3.6 Test sequence III: short-circuit performance capability
Table 14 \u2013 Test sequence III: short-circuit performance capability <\/td>\n<\/tr>\n
56<\/td>\n8.3.5.1.29.3.6.2.2 Test circuit
8.3.5.1.3 Test circuit calibration
The calibration of the test circuit is carried out by placing temporary connections B of negligible impedance as close as reasonably possible to the terminals provided for connecting the equipment under test.
9.3.6.2.3 Calibration of the test circuit
8.3.5.1.49.3.6.2.4 Test procedure
8.3.5.1.59.3.6.2.5 Behaviour of the equipment during the test
8.3.5.1.69.3.6.2.6 Conditions of the equipment after the test <\/td>\n<\/tr>\n
57<\/td>\n8.3.5.29.3.6.3 Short-circuit making capacity test
8.3.5.2.29.3.6.3.2 Test circuit
8.3.5.2.39.3.6.3.3 Test circuit calibration <\/td>\n<\/tr>\n
58<\/td>\n8.3.5.2.49.3.6.3.4 Test procedure
8.3.5.2.59.3.6.3.5 Behaviour of the equipment during the test
8.3.5.2.69.3.6.3.6 Condition of the equipment after the test
8.3.5.39.3.6.4 Dielectric verification
8.3.5.49.3.6.5 Leakage current
8.3.5.59.3.6.6 Temperature-rise verification
8.3.69.3.7 Test sequence IV: conditional short-circuit current <\/td>\n<\/tr>\n
59<\/td>\n8.3.6.19.3.7.2 Circuit-breaker protected short-circuit withstand
8.3.6.2 Fuse protected short-circuit withstand <\/td>\n<\/tr>\n
60<\/td>\nTable 15 \u2013 Test sequence IV: conditional short-circuit current \u2013 circuit-breaker protected
9.3.7.2.2 Test circuit
9.3.7.2.3 Test circuit calibration
9.3.7.2.4 Test procedure
9.3.7.2.5 Behaviour of the equipment during the test
9.3.7.2.6 Condition of the equipment after the test
9.3.7.3 Fuse protected short-circuit withstand <\/td>\n<\/tr>\n
61<\/td>\nTable 15 16 \u2013 Test sequence IV: conditional short-circuit current \u2013 fuse protected
8.3.6.2.39.3.7.3.3 Test circuit calibration
8.3.6.2.49.3.7.3.4 Test procedure <\/td>\n<\/tr>\n
62<\/td>\n8.3.6.2.59.3.7.3.5 Behaviour of the equipment during the test
8.3.6.2.69.3.7.3.6 Condition of the equipment after the test
8.3.6.39.3.7.4 Dielectric verification
8.3.6.49.3.7.5 Leakage current
8.3.6.59.3.7.6 Temperature-rise verification
8.3.79.3.8 Test sequence V: overload performance capability
8.3.7.19.3.8.2 Overload test
8.3.7.29.3.8.3 Dielectric verification
8.3.7.39.3.8.4 Leakage current
8.3.7.49.3.8.5 Temperature-rise verification <\/td>\n<\/tr>\n
63<\/td>\nTable 1617 \u2013 Test sequence V: overload performance capability
9.3.9.2 Determination of critical load current <\/td>\n<\/tr>\n
64<\/td>\n9.3.9.2.2 Test circuit
9.3.9.2.3 Value of critical load current
9.3.9.3 Critical load current performance
Table 18 \u2013 Number of operating cycles corresponding to the critical load current <\/td>\n<\/tr>\n
65<\/td>\n8.49.4 Electromagnetic compatibility tests
9.4.1 General
8.4.19.4.2 Immunity
8.4.1.2 Equipment incorporating electronic circuits <\/td>\n<\/tr>\n
66<\/td>\n8.4.29.4.3 Emission
8.4.2.19.4.3.2 Equipment not incorporating electronic circuits
8.4.2.2 Equipment incorporating electronic circuits
8.59.5 Special tests
9.5.1 Mechanical and electrical durability
8.5.19.5.2 Mechanical durability <\/td>\n<\/tr>\n
67<\/td>\n9.5.4 Damp heat, salt mist, vibration and shock <\/td>\n<\/tr>\n
68<\/td>\nAnnex A
(normative)
A.1 General
A.2 Rated duty
A.2.1 Intermittent periodic duty or intermittent duty
A.2.2 Temporary duty
A.3 Making and breaking capacities
A.4 Utilization category <\/td>\n<\/tr>\n
69<\/td>\nTable A.1 \u2013 Utilization categories <\/td>\n<\/tr>\n
70<\/td>\nTable A.2 \u2013 Rated making and breaking capacity conditions corresponding to several utilization categories <\/td>\n<\/tr>\n
71<\/td>\nTable A.3 \u2013 Relationship between current broken Ic and off-time for the verification of the rated making and breaking capacities
A.5 Operational performance
Table A.4 \u2013 Operational performance \u2013 Conditions for making and breaking corresponding to several utilization categories <\/td>\n<\/tr>\n
72<\/td>\nA.6 Mechanical durability
A.7 Electrical durability
A.8 Verification of making and breaking capacities
A.9 Operational performance test
A.10 Special tests
A.10.1 General
A.10.1A.10.2 Mechanical durability test
A.10.1.2A.10.2.2 Operating conditions <\/td>\n<\/tr>\n
73<\/td>\nA.10.1.3A.10.2.3 Test procedure
A.10.1.4A.10.2.4 Results to be obtained
A.10.2A.10.3 Electrical durability test <\/td>\n<\/tr>\n
74<\/td>\nTable A.5 \u2013 Verification of the number of on-load operating cycles \u2013 Conditions for making and breaking corresponding to several utilization categories <\/td>\n<\/tr>\n
75<\/td>\nAnnex B
(informative) <\/td>\n<\/tr>\n
76<\/td>\nAnnex C
(normative)
C.1 General <\/td>\n<\/tr>\n
77<\/td>\nFigure C.1 \u2013 Typical arrangements
C.2 Tests
C.3 Test set-up and sequence
C.3.1 Making and breaking capacities (8.3.3.3)(9.3.4.3) and operational performance (8.3.4.1)(9.3.5.2)
C.3.2 Fuse protected short-circuit test (8.3.6.2)(9.3.7.3) <\/td>\n<\/tr>\n
78<\/td>\nC.4 Condition of equipment after tests
C.5 Instructions for use <\/td>\n<\/tr>\n
79<\/td>\nAnnex D
(normative)
D.1 General
D.1.1 Background
D.1.1 Scope and object
D.1.2 Object
D.1.2D.2 Normative references <\/td>\n<\/tr>\n
80<\/td>\nD.2D.3 Terms and definitions
D.3D.4 Classification
D.3.1D.4.1 According to the utilization category
D.4.3.5.1D.5.3.6.1 Ability to withstand motor switching overload currents
D.4.3.5.2D.5.3.6.2 Rated making capacity
D.4.3.5.3D.5.3.6.3 Rated breaking capacity
D.4.3.6.1D.5.3.7.1 Rated short-time withstand current (Icw)
D.4.4D.5.4 Utilization category <\/td>\n<\/tr>\n
81<\/td>\nTable D.1 \u2013 Utilization categories
D.5 Product information
D.5.2 Marking
D.6 Product information
D.6D.7 Normal service, mounting and transport conditions <\/td>\n<\/tr>\n
82<\/td>\nTable D.2 \u2013 Service arrangements
Table D.3 \u2013 Environmental conditions
D.7D.8 Constructional and performance requirements
D.7.1.4D.8.1.4 Clearances and creepage distances
D.7.1.12D.8.1.12 Degrees of protection of enclosed equipment <\/td>\n<\/tr>\n
83<\/td>\nD.7.2.3D.8.2.3 Dielectric properties
Table D.4 \u2013 Rated impulse withstand levels for PV switches, PV disconnectors, PV switch-disconnectors or PV fuse-combination units
Table D.5 \u2013 Verification of rated making and breaking capacities (see 8.3.3.3)9.3.4.4) \u2013 Conditions for making and breaking corresponding to the DC-PV category <\/td>\n<\/tr>\n
84<\/td>\nD.8.2.4.2.1 Operational performance at a normal ambient air temperature
Table D.6 \u2013 Number of operating cycles <\/td>\n<\/tr>\n
85<\/td>\nD.7.2.4.4D.8.2.4.4 Electrical durability
D.7.2.8D.8.2.8 Critical load current performance
D.8D.9 Tests
D.8.3.1D.9.3.2 Test sequences <\/td>\n<\/tr>\n
86<\/td>\nTable D.8 \u2013 Overall scheme of test sequences (addition) <\/td>\n<\/tr>\n
88<\/td>\nD.8.3.2D.9.3.3 General test conditions
D.8.3.3.3.1D.9.3.4.4.1 Test values and conditions
D.8.3.4.1.1D.9.3.5.2.1 Test values and conditions
D.8.3.5.1.2D.9.3.5.2.2 Test circuit
D.8.3.6.2.2D.9.3.6.2.2 Test circuit
D.8.3.7.1D.9.3.8.2 Overload test <\/td>\n<\/tr>\n
89<\/td>\nD.8.3.8 Test sequence VI: critical load current performance
In the case of equipment of Category DC-PV1, all the operations shall be with the supply connected in accordance with the generator and load markings. Tests on equipments in accordance with DC-PV2 shall be carried out:
D.8.3.8.1.2 Test circuit
D.8.3.8.1.3 Critical load current <\/td>\n<\/tr>\n
90<\/td>\nD.8.3.8.2 Critical load current performance
D.9.3.9 Critical load current performance of equipment with a DC rating
Table D.9 \u2013 Number of operating cycles corresponding to the critical load current <\/td>\n<\/tr>\n
91<\/td>\nD.8.3.10D.9.3.11 Climatic test
D.8.3.11D.9.3.12 Temperature-rise verification with solar effects \u2013 Outdoor units only
D.8.3.12D.9.3.13 Verification of resistance of insulating materials to abnormal heat and fire <\/td>\n<\/tr>\n
92<\/td>\nD.8.3.13D.9.3.14 Degree of protection \u2013 Enclosed equipment
D.8.3.14D.9.3.15 Clearance and creepage distances
D.8.4D.9.4 Electromagnetic compatibility tests
D.8.5.2D.9.5.2 Electrical durability <\/td>\n<\/tr>\n
93<\/td>\nAnnex E
(normative)
E.1 Object
E.2 Normative references
E.3 Terms, definitions and index of terms
E.3.1
E.3.2 <\/td>\n<\/tr>\n
94<\/td>\nE.3.3
E.4 Classification
E.5 Characteristics
E.6 Product information
E.6.1 Nature of information
E.6.2 Marking
E.6.3 Instructions for installation, operation and maintenance, decommissioning and dismantling <\/td>\n<\/tr>\n
95<\/td>\nE.7 Normal service, mounting and transport conditions
E.8 Constructional and performance requirements
E.9 Tests
E.9.1 General
Table E.1 \u2013 List of tests for terminal connections a with aluminium cables <\/td>\n<\/tr>\n
96<\/td>\nE.9.2 Current cycling test
E.9.2.2 Preparation
E.9.2.3 Test arrangement
Figure E.1 \u2013 General test arrangement <\/td>\n<\/tr>\n
97<\/td>\nTable E.2 \u2013 Conductor length for current cycling test as per conductor cross-section <\/td>\n<\/tr>\n
98<\/td>\nTable E.3 \u2013 Equalizer dimensions
E.9.2.4 Temperature measurements <\/td>\n<\/tr>\n
99<\/td>\nE.9.2.5 Test method
Table E.4 \u2013 Starting test current for the current cycling test <\/td>\n<\/tr>\n
100<\/td>\nE.9.2.6 Acceptance criteria <\/td>\n<\/tr>\n
101<\/td>\nTable E.5 \u2013 Example of stability factor calculation
E.9.3.2 Pull-out test <\/td>\n<\/tr>\n
102<\/td>\nTable E.6 \u2013 Test values for flexion and pull-out test for cables <\/td>\n<\/tr>\n
103<\/td>\nTable E.7 \u2013 Test aluminium cable for test currents up to 800 A a, d <\/td>\n<\/tr>\n
104<\/td>\nTable E.8 \u2013 Test aluminium bars for test currents above 150 A and up to 3 150 A a, f <\/td>\n<\/tr>\n
105<\/td>\nAnnex F
(informative)
F.1 General
F.2 Test methods
F.2.1 General
F.2.2 General case for AC switches and\/or disconnectors
F.2.3 General case for AC fused combination units and fuse disconnectors <\/td>\n<\/tr>\n
106<\/td>\nF.2.4 Switches and\/or disconnectors of rated current not exceeding 400 A
F.2.5 Fused combination units and fuse disconnectors of rated current not exceeding 400 A <\/td>\n<\/tr>\n
107<\/td>\nF.3 Test procedure
Figure F.1 \u2013 Example of power loss measurement according to F.2.2 <\/td>\n<\/tr>\n
108<\/td>\nFigure F.2 \u2013 Example of power loss measurement according to F.2.3 <\/td>\n<\/tr>\n
109<\/td>\nFigure F.4 \u2013 Example of power loss measurement according to F.2.5 <\/td>\n<\/tr>\n
110<\/td>\nBibliography <\/td>\n<\/tr>\n
112<\/td>\nundefined <\/td>\n<\/tr>\n
115<\/td>\nAnnex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n
119<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
124<\/td>\nFOREWORD <\/td>\n<\/tr>\n
126<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
127<\/td>\n1 Scope <\/td>\n<\/tr>\n
128<\/td>\n2 Normative references <\/td>\n<\/tr>\n
129<\/td>\n3 Terms, definitions and index of terms
3.1 General
3.2 Alphabetical index of terms <\/td>\n<\/tr>\n
130<\/td>\n3.3 General terms <\/td>\n<\/tr>\n
132<\/td>\n4 Classification
4.1 According to the utilization category
4.2 According to the method of operation
4.2.1 Manually operated equipment
4.2.2 Remotely operated equipment <\/td>\n<\/tr>\n
133<\/td>\n4.3 According to suitability for isolation
4.4 According to the degree of protection provided
4.5 Summary of symbols for equipment types
5 Characteristics
5.1 Summary of characteristics
Tables
Table 1 \u2013 Summary of equipment definitions <\/td>\n<\/tr>\n
134<\/td>\n5.2 Type of equipment
5.3 Rated and limiting values for the main circuit
5.3.1 General
5.3.2 Rated voltages
5.3.3 Currents
5.3.4 Rated frequency <\/td>\n<\/tr>\n
135<\/td>\n5.3.5 Rated duty
5.3.6 Normal load and overload characteristics
5.3.7 Short-circuit characteristics <\/td>\n<\/tr>\n
136<\/td>\n5.4 Utilization category
Table 2 \u2013 Utilization categories <\/td>\n<\/tr>\n
137<\/td>\n5.5 Control circuits
5.6 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
6.2 Marking <\/td>\n<\/tr>\n
138<\/td>\nTable 3 \u2013 Product information <\/td>\n<\/tr>\n
139<\/td>\n6.3 Instructions for installation, operation and maintenance, decommissioning and dismantling
7 Normal service, mounting and transport conditions
8 Constructional and performance requirements
8.1 Constructional requirements
8.1.1 General <\/td>\n<\/tr>\n
140<\/td>\n8.2 Performance requirements
8.2.1 Operating conditions <\/td>\n<\/tr>\n
141<\/td>\n8.2.2 Temperature-rise
8.2.3 Dielectric properties
8.2.4 Ability to make and break under no-load, normal load and overload conditions <\/td>\n<\/tr>\n
142<\/td>\nTable 4 \u2013 Verification of rated making and breaking capacities (see 9.3.4.4) \u2013 Conditions for making and breaking corresponding to the various utilization categories <\/td>\n<\/tr>\n
143<\/td>\nTable 5 \u2013 Verification of operational performance \u2013Number of operating cycles corresponding to the rated operational current
Table 6 \u2013 Test circuit parameters for Table 5 <\/td>\n<\/tr>\n
144<\/td>\n8.2.5 Ability to make, break or withstand short-circuit currents
8.2.6 Void
8.2.7 Additional performance requirements for equipment suitable for isolation
8.2.8 Critical load current performance: DC equipment
8.2.9 Overload requirements for equipment incorporating fuses
8.3 Electromagnetic compatibility (EMC)
8.3.1 General
8.3.2 Immunity <\/td>\n<\/tr>\n
145<\/td>\n8.3.3 Emission
Table 7 \u2013 Immunity tests a
Table 8 \u2013 Emission limits <\/td>\n<\/tr>\n
146<\/td>\n9 Tests
9.1 Kinds of test
9.1.1 General
9.1.2 Type tests
9.1.3 Routine tests <\/td>\n<\/tr>\n
147<\/td>\n9.1.4 Sampling tests
9.1.5 Special tests
9.2 Compliance with constructional requirements
9.2.1 General <\/td>\n<\/tr>\n
148<\/td>\n9.3 Performance
9.3.1 General
9.3.2 Test sequences
Table 9 \u2013 List of type tests applicable to a given equipment <\/td>\n<\/tr>\n
149<\/td>\n9.3.3 General test conditions
Table 10 \u2013 Overall scheme of test sequences <\/td>\n<\/tr>\n
152<\/td>\n9.3.4 Test sequence I: general performance characteristics <\/td>\n<\/tr>\n
153<\/td>\nTable 11 \u2013 Test sequence I: general performance characteristics <\/td>\n<\/tr>\n
156<\/td>\n9.3.5 Test sequence II: operational performance capability
Table 12 \u2013 Temperature-rise limits for terminals and accessible parts <\/td>\n<\/tr>\n
157<\/td>\nTable 13 \u2013 Test sequence II: operational performance capability <\/td>\n<\/tr>\n
158<\/td>\n9.3.6 Test sequence III: short-circuit performance capability <\/td>\n<\/tr>\n
159<\/td>\nTable 14 \u2013 Test sequence III: short-circuit performance capability <\/td>\n<\/tr>\n
162<\/td>\n9.3.7 Test sequence IV: conditional short-circuit current <\/td>\n<\/tr>\n
163<\/td>\nTable 15 \u2013 Test sequence IV: conditional short-circuit current \u2013circuit-breaker protected <\/td>\n<\/tr>\n
164<\/td>\nTable 16 \u2013 Test sequence IV: conditional short-circuit current \u2013 fuse protected <\/td>\n<\/tr>\n
165<\/td>\n9.3.8 Test sequence V: overload performance capability <\/td>\n<\/tr>\n
166<\/td>\n9.3.9 Test sequence VI: critical load current performance of equipment with a DC rating
Table 17 \u2013 Test sequence V: overload performance capability <\/td>\n<\/tr>\n
168<\/td>\n9.4 Electromagnetic compatibility tests
9.4.1 General
Table 18 \u2013 Number of operating cycles corresponding to the critical load current
Table 19 \u2013 Test circuit parameters for Table 18
Table 20 \u2013 Test sequence VI: critical load current performanceof equipment with a DC rating <\/td>\n<\/tr>\n
169<\/td>\n9.4.2 Immunity
9.4.3 Emission
9.5 Special tests
9.5.1 Mechanical and electrical durability
9.5.2 Mechanical durability
9.5.3 Electrical durability <\/td>\n<\/tr>\n
170<\/td>\n9.5.4 Damp heat, salt mist, vibration and shock <\/td>\n<\/tr>\n
171<\/td>\nAnnexes
Annex A (normative) Equipment for direct switching of a single motor
A.1 General
A.2 Rated
A.2.1 Intermittent periodic duty or intermittent duty
A.2.2 Temporary duty
A.3 Making and breaking capacities
A.4 Utilization category <\/td>\n<\/tr>\n
172<\/td>\nTable A.1 \u2013 Utilization categories <\/td>\n<\/tr>\n
173<\/td>\nTable A.2 \u2013 Rated making and breaking capacity conditionscorresponding to several utilization categories <\/td>\n<\/tr>\n
174<\/td>\nA.5 Operational performance
Table A.3 \u2013 Relationship between current broken Ic and off-time for the verification of the rated making and breaking capacities
Table A.4 \u2013 Operational performance \u2013Conditions for making and breaking corresponding to several utilization categories <\/td>\n<\/tr>\n
175<\/td>\nA.6 Mechanical durability
A.7 Electrical durability
A.8 Verification of making and breaking capacities
A.9 Operational performance test
A.10 Special tests
A.10.1 General <\/td>\n<\/tr>\n
176<\/td>\nA.10.2 Mechanical durability test
A.10.3 Electrical durability test <\/td>\n<\/tr>\n
177<\/td>\nA.11 Critical load current performance for DC equipment
Table A.5 \u2013 Verification of the number of on-load operating cycles \u2013Conditions for making and breaking corresponding to several utilization categories <\/td>\n<\/tr>\n
178<\/td>\nAnnex B (informative) Items subject to agreement between manufacturer and user <\/td>\n<\/tr>\n
179<\/td>\nAnnex C (normative) Single pole operated three-pole switches
C.1 General
Figure C.1 \u2013 Typical arrangements <\/td>\n<\/tr>\n
180<\/td>\nC.2 Tests
C.3 Test set-up and sequence
C.3.1 Making and breaking capacities (9.3.4.3) and operational performance (9.3.5.2)
C.3.2 Fuse protected short-circuit test (9.3.7.3)
C.4 Condition of equipment after tests
C.5 Instructions for use <\/td>\n<\/tr>\n
181<\/td>\nAnnex D (normative) Switches, disconnectors, switch-disconnectors and fuse-combination units for use in photovoltaic (PV) DC applications
D.1 General
D.1.1 Background
D.1.2 Object
D.2 Normative references
D.3 Terms and definitions <\/td>\n<\/tr>\n
182<\/td>\nD.4 Classification
D.4.1 According to the utilization category
D.5 Characteristics
Table D.1 \u2013 Utilization categories <\/td>\n<\/tr>\n
183<\/td>\nD.6 Product information
D.7 Normal service, mounting and transport conditions
D.8 Constructional and performance requirements
Table D.2 \u2013 Service arrangements
Table D.3 \u2013 Environmental conditions <\/td>\n<\/tr>\n
184<\/td>\nTable D.4 \u2013 Rated impulse withstand levels for PV switches, PV disconnectors, PV switch-disconnectors or PV fuse-combination units <\/td>\n<\/tr>\n
185<\/td>\nTable D.5 \u2013 Verification of rated making and breaking capacities (see 9.3.4.4) \u2013 Conditions for making and breaking corresponding to the DC-PV category <\/td>\n<\/tr>\n
186<\/td>\nTable D.6 \u2013 Number of operating cycles
Table D.7 \u2013 Test circuit parameters for Table D.6 <\/td>\n<\/tr>\n
187<\/td>\nD.9 Tests <\/td>\n<\/tr>\n
188<\/td>\nTable D.8 \u2013 Overall scheme of test sequences <\/td>\n<\/tr>\n
190<\/td>\nTable D.9 \u2013 Number of operating cycles corresponding to the critical load current
Table D.10 \u2013 Test circuit parameters for Table D.9 <\/td>\n<\/tr>\n
193<\/td>\nAnnex E (normative) Additional requirements for LV switchgear intended for connection of aluminium conductors
E.1 Object
E.2 Normative references
E.3 Terms, definitions and index of terms <\/td>\n<\/tr>\n
194<\/td>\nE.4 Classification
E.5 Characteristics
E.6 Product information
E.6.1 Nature of information
E.6.2 Marking
E.6.3 Instructions for installation, operation and maintenance, decommissioning and dismantling <\/td>\n<\/tr>\n
195<\/td>\nE.7 Normal service, mounting and transport conditions
E.8 Constructional and performance requirements
E.9 Tests
E.9.1 General
Table E.1 \u2013 List of tests for terminal connections a with aluminium cables <\/td>\n<\/tr>\n
196<\/td>\nE.9.2 Current cycling test <\/td>\n<\/tr>\n
197<\/td>\nFigures
Figure E.1 \u2013 General test arrangement
Figure E.2 \u2013 Mounting of terminals for the current cycling test <\/td>\n<\/tr>\n
198<\/td>\nTable E.2 \u2013 Conductor length for current cycling test as per conductor cross-section
Table E.3 \u2013 Equalizer dimensions <\/td>\n<\/tr>\n
200<\/td>\nTable E.4 \u2013 Starting test current for the current cycling test <\/td>\n<\/tr>\n
201<\/td>\nE.9.3 Mechanical properties of terminals
Table E.5 \u2013 Example of stability factor calculation <\/td>\n<\/tr>\n
202<\/td>\nE.9.4 Test for insertability of unprepared round aluminium conductors having the maximum cross-section
Table E.6 \u2013 Test values for flexion and pull-out test for cables <\/td>\n<\/tr>\n
203<\/td>\nTable E.7 \u2013 Test aluminium cable for test currents up to 800 A a, d <\/td>\n<\/tr>\n
204<\/td>\nTable E.8 \u2013 Test aluminium bars for test currents above 150 A and up to 3 150 A a, f <\/td>\n<\/tr>\n
205<\/td>\nAnnex F (informative) Power loss
F.1 General
F.2 Test methods
F.2.1 General
F.2.2 General case for AC switches and\/or disconnectors
F.2.3 General case for AC fused combination units and fuse disconnectors <\/td>\n<\/tr>\n
206<\/td>\nF.2.4 Switches and\/or disconnectors of rated current not exceeding 400 A
F.2.5 Fused combination units and fuse disconnectors of rated current not exceeding 400 A <\/td>\n<\/tr>\n
207<\/td>\nF.3 Test procedure
Figure F.1 \u2013 Example of power loss measurement according to F.2.2 <\/td>\n<\/tr>\n
208<\/td>\nFigure F.2 \u2013 Example of power loss measurement according to F.2.3
Figure F.3 \u2013 Example of power loss measurement according to F.2.4 <\/td>\n<\/tr>\n
209<\/td>\nFigure F.4 \u2013 Example of power loss measurement according to F.2.5 <\/td>\n<\/tr>\n
210<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Low-voltage switchgear and controlgear – Switches, disconnectors, switch-disconnectors and fuse-combination units<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n212<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":373291,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[510,2641],"product_tag":[],"class_list":{"0":"post-373281","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-120-40","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/373281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/373291"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=373281"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=373281"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=373281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}