oSIST prEN IEC 60947-5-1:2022
(Main)Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Niederspannungsschaltgeräte - Teil 5-1: Steuergeräte und Schaltelemente – Elektromechanische Steuergeräte
Appareillage à basse tension - Partie 5-1: Appareils et éléments de commutation pour circuits de commande - Appareils électromécaniques pour circuits de commande
Nizkonapetostne stikalne in krmilne naprave - 5-1. del: Krmilne naprave in stikalni elementi - Elektromehanske krmilne naprave
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN IEC 60947-5-1:2022
01-oktober-2022
Nizkonapetostne stikalne in krmilne naprave - 5-1. del: Krmilne naprave in stikalni
elementi - Elektromehanske krmilne naprave
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching
elements - Electromechanical control circuit devices
Niederspannungsschaltgeräte - Teil 5-1: Steuergeräte und Schaltelemente –
Elektromechanische Steuergeräte
Appareillage à basse tension - Partie 5-1: Appareils et éléments de commutation pour
circuits de commande - Appareils électromécaniques pour circuits de commande
Ta slovenski standard je istoveten z: prEN IEC 60947-5-1:2022
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
oSIST prEN IEC 60947-5-1:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN IEC 60947-5-1:2022
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oSIST prEN IEC 60947-5-1:2022
121A/513/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60947-5-1 ED5
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2022-08-19 2022-11-11
SUPERSEDES DOCUMENTS:
121A/456A/CD, 121A/474A/CC
IEC SC 121A : LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR
SECRETARIAT: SECRETARY:
France Mr Michaël LAHEURTE
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
TC 44,TC 94
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
TITLE:
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching
elements - Electromechanical control circuit devices
PROPOSED STABILITY DATE: 2026
NOTE FROM TC/SC OFFICERS:
SC121A Officers support circulation of CDV for project IEC 60947-5-1 ED5.
Secretary Note: NC experts are kindly requested to refer their comments to line numbers.
Copyright © 2022 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
Committee positions. You may not copy or "mirror" the file or printed version of the document, or any part of it,
for any other purpose without permission in writing from IEC.
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oSIST prEN IEC 60947-5-1:2022
IEC CDV 60947-5-1 © IEC 2022 2 121A/513/CDV
1 CONTENTS
2
3 CONTENTS . 2
4 FOREWORD. 10
5 1 Scope . 12
6 2 Normative references . 13
7 3 Terms, definitions, symbols and abbreviated terms . 15
8 3.1 Terms and definitions . 15
9 3.1.1 General . 15
10 3.1.2 Basic terms and definitions. 15
11 3.1.3 Terms and definitions concerning automatic control switches . 16
12 3.1.4 Terms and definitions concerning manually operated control switches . 17
13 3.1.5 Terms and definitions concerning parts of control switches . 19
14 3.1.6 Terms and definitions concerning operation of contactor relays . 21
15 3.1.7 Terms and definitions concerning operation of pilot switches . 21
16 3.1.8 Terms and definitions concerning operation of rotary switches . 22
17 3.1.9 Terms and definitions concerning operation of mechanically operated
18 control switches . 22
19 3.1.10 Alphabetical index of definitions . 24
20 3.2 Symbols and abbreviated terms . 26
21 4 Classification . 27
22 4.1 Contact elements . 27
23 4.2 Control switches. 27
24 4.3 Control circuit devices . 27
25 4.4 Time delay switching elements . 27
26 4.5 Control switch mounting . 28
27 5 Characteristics . 28
28 5.1 Summary of characteristics . 28
29 5.1.1 General . 28
30 5.1.2 Operation of a control switch . 28
31 5.2 Type of control circuit device or switching element . 28
32 5.2.1 Kind of control circuit device . 28
33 5.2.2 Kind of switching elements . 29
34 5.2.3 Number of poles . 29
35 5.2.4 Kind of current . 29
36 5.2.5 Interrupting medium . 29
37 5.2.6 Operating conditions . 29
38 5.3 Rated and limiting values for switching elements . 29
39 5.3.1 General . 29
40 5.3.2 Rated voltages (of a switching element). 29
41 5.3.3 Currents . 30
42 5.3.4 Rated frequency. 30
43 5.3.5 Vacant . 30
44 5.3.6 Characteristics under normal and abnormal load conditions . 30
45 5.3.7 Short-circuit characteristics . 32
46 5.4 Utilization categories for switching elements . 32
47 5.5 Control circuits . 32
48 5.6 Vacant . 33
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49 5.7 Vacant . 33
50 5.8 Vacant . 33
51 5.9 Vacant . 33
52 5.10 Electrically separated contact elements . 33
53 5.11 Actuating quantities for pilot switches . 33
54 5.12 Pilot switches having two or more contact elements . 33
55 6 Product information . 33
56 6.1 Nature of information . 33
57 6.2 Marking . 35
58 6.2.1 General . 35
59 6.2.2 Terminal identification and marking . 35
60 6.2.3 Functional markings . 35
61 6.2.4 Emergency stop . 35
62 6.2.5 Operating diagram . 35
63 6.2.6 Time delay markings . 36
64 6.3 Instructions for installation, operation and maintenance, decommissioning
65 and dismantling . 36
66 6.4 Environmental information . 36
67 6.4.1 Environmentally conscious design process (ECD process) . 36
68 6.4.2 Procedure to establish material declaration . 37
69 6.5 Additional information . 37
70 7 Normal service, mounting and transport conditions . 37
71 7.1 Normal service conditions . 37
72 7.1.1 Ambient air temperature . 37
73 7.1.2 Altitude . 37
74 7.1.3 Atmospheric conditions . 37
75 7.1.4 Shock and vibration . 37
76 7.2 Conditions during transport and storage . 37
77 7.3 Mounting . 37
78 7.3.1 General . 37
79 7.3.2 Mounting of single hole mounted devices . 38
80 8 Constructional and performance requirements . 39
81 8.1 Constructional requirements . 39
82 8.1.1 General . 39
83 8.1.2 Materials . 39
84 8.1.3 Current-carrying parts and their connections . 40
85 8.1.4 Clearances and creepage distances . 40
86 8.1.5 Actuator . 40
87 8.1.6 Indication of the contact position . 40
88 8.1.7 Conditions for control switches suitable for isolation . 40
89 8.1.8 Terminals . 41
90 8.1.9 Vacant . 41
91 8.1.10 Provisions for protective earthing . 41
92 8.1.11 Enclosures for equipment . 41
93 8.1.12 Degrees of protection of enclosed equipment . 41
94 8.1.13 Conduit pull-out, torque and bending with metallic conduits . 41
95 8.1.14 Requirements for control circuit devices with artificial optical radiation . 41
96 8.1.15 Biological and chemical effects . 41
97 8.1.16 Hygienic design . 41
98 8.1.17 Security aspects . 42
99 8.1.18 Limited energy source . 42
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100 8.1.19 Fault and abnormal conditions . 44
101 8.1.20 Stored charge energy circuit . 44
102 8.1.21 Embedded software . 45
103 8.2 Performance requirements . 45
104 8.2.1 Operating conditions . 45
105 8.2.2 Temperature-rise . 45
106 8.2.3 Dielectric properties . 45
107 8.2.4 Ability to make and break under normal and abnormal load conditions . 45
108 8.2.5 Conditional short-circuit current . 46
109 8.2.6 Vacant . 46
110 8.2.7 Additional requirements for control switches suitable for isolation . 46
111 8.3 Electromagnetic compatibility (EMC) . 46
112 8.3.1 General . 46
113 8.3.2 Immunity . 46
114 8.3.3 Emission . 47
115 8.4 Special requirements . 47
116 8.4.1 Additional requirements for reed contact magnetic switches . 47
117 8.4.2 Class II control circuit devices . 47
118 8.4.3 Additional requirements for control circuit devices with integrally
119 connected cables . 47
120 8.4.4 Additional requirements for semiconductor switching elements for
121 control circuit devices . 47
122 8.4.5 Special requirements for indicator lights, indicating towers and their
123 optional audible functions . 47
124 8.4.6 Special requirements for control switches with direct opening action . 47
125 8.4.7 Special requirements for mechanically linked contact elements . 47
126 8.4.8 Additional requirements for control circuit devices incorporating a built-
127 in communication interface (SDCI) . 48
128 9 Tests . 48
129 9.1 Kinds of test . 48
130 9.1.1 General . 48
131 9.1.2 Type tests . 48
132 9.1.3 Routine tests . 48
133 9.1.4 Sampling tests . 48
134 9.1.5 Special tests . 49
135 9.2 Compliance with constructional requirements . 49
136 9.2.1 General . 49
137 9.2.2 Test of materials to abnormal heat and fire . 50
138 9.2.3 Equipment . 50
139 9.2.4 Degrees of protection . 50
140 9.2.5 Mechanical and electrical properties of terminals . 50
141 9.2.6 Verification of actuating force (or torque) . 52
142 9.2.7 Verification of limitation of rotation (of a rotary switch) . 52
143 9.2.8 Conduit pull-out test, torque test and bending test with metallic conduits . 52
144 9.2.9 Test of earth continuity for protective earth . 52
145 9.2.10 Limited energy source test . 52
146 9.2.11 Breakdown of components . 53
147 9.2.12 Artificial optical radiation test . 53
148 9.2.13 Stored charge energy test . 53
149 9.3 Performance . 54
150 9.3.1 Test sequences. 54
151 9.3.2 General test conditions . 55
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152 9.3.3 Performance under no-load, normal load and abnormal load conditions . 56
153 9.3.4 Performance under conditional short-circuit current . 58
154 9.4 Tests for EMC . 59
155 9.4.1 General . 59
156 9.4.2 Immunity . 60
157 9.4.3 Emission . 62
158 9.4.4 Test results and test report . 63
159 Annex A (normative) Electrical ratings based on utilization categories (see 4.1) . 70
160 Annex B (informative) Example of inductive test loads for DC contacts . 72
161 B.1 General . 72
162 B.2 Construction . 72
163 Annex C (normative) Special tests – Durability tests . 74
164 C.1 General . 74
165 C.1.1 Durability declaration . 74
166 C.1.2 Test procedures . 74
167 C.1.3 Failure criteria . 74
168 C.2 Mechanical durability . 75
169 C.2.1 General . 75
170 C.2.2 Test procedures . 75
171 C.3 Electrical durability . 75
172 C.3.1 General . 75
173 C.3.2 Test procedures . 75
174 Annex D (normative) Additional requirements for reed contact magnetic switches . 78
175 D.1 General . 78
176 D.3 Terms and definitions . 78
177 D.4 Classification . 79
178 D.5 Characteristics . 79
179 D.6 Product information . 79
180 D.6.1 Nature of information . 79
181 D.7 Normal service, mounting and transport conditions . 79
182 D.7.3 Mounting . 80
183 D.8 Constructional and performance requirements . 80
184 D.9 Tests . 80
185 Annex E (informative) Items subject to agreement between manufacturer and user . 82
186 Annex F (normative) Class II control circuit devices Requirements and tests . 83
187 F.1 General . 83
188 F.3 Terms and definitions . 83
189 F.6 Product information . 84
190 F.6.2 Marking . 84
191 F.8 Constructional and functional requirements . 84
192 F.8.1 Constructional requirements . 84
193 F.8.2 Performance requirements . 86
194 F.9 Tests . 86
195 F.9.1 Kind of tests . 86
196 Annex G (normative) Additional requirements for control circuit devices with integrally
197 connected cables . 89
198 G.1 General . 89
199 G.3 Terms and definitions . 89
200 G.8 Constructional and performance requirements . 89
201 G.8.1 Constructional requirements . 89
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202 G.8.2 Performance requirements . 90
203 G.9 Tests . 90
204 G.9.1 Kind of tests . 90
205 Annex H (normative) Additional requirements for semiconductor switching elements
206 for control circuit devices . 94
207 H.1 General . 94
208 H.3 Terms and definitions . 94
209 H.4 Classification . 94
210 H.4.1 Semiconductor switching elements . 94
211 H.5 Characteristics . 94
212 H.5.3 Rated and limiting values for semiconductor switching elements . 94
213 H.5.4 Utilization categories . 95
214 H.6 Product information . 95
215 H.8 Constructional and performance requirements . 96
216 H.8.2 Performance requirements . 96
217 H.8.3 Electromagnetic compatibility (EMC) . 96
218 H.9 Tests . 96
219 H.9.3 Performance . 96
220 H.9.4 Verification of electromagnetic compatibility . 98
221 Annex J (normative) Special requirements for indicator lights, indicating towers and
222 audible signalling devices . 100
223 J.1 General . 100
224 J.3 Terms and definitions . 100
225 J.4 Classification .
...
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