kSIST FprEN IEC 60079-7:2024

SLOVENSKI STANDARD
oSIST prEN IEC 60079-7:2024
01-februar-2024
Eksplozivne atmosfere - 7. del: Zaščita opreme s povečano varnostjo "e"
Explosive atmospheres - Part 7: Equipment protection by increased safety "e"
Explosionsgefährdete Bereiche - Teil 7: Geräteschutz durch erhöhte Sicherheit "e"
Atmosphères explosives - Partie 7: Protection du matériel par sécurité augmentée "e"
Ta slovenski standard je istoveten z: prEN IEC 60079-7:2023
ICS:
29.260.20 Električni aparati za Electrical apparatus for
eksplozivna ozračja explosive atmospheres
oSIST prEN IEC 60079-7:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN IEC 60079-7:2024
oSIST prEN IEC 60079-7:2024
31/1748/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60079-7 ED6
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-12-08 2024-03-01
SUPERSEDES DOCUMENTS:
31/1669/CD, 31/1694A/CC
IEC TC 31 : EQUIPMENT FOR EXPLOSIVE ATMOSPHERES
SECRETARIAT: SECRETARY:
United Kingdom Mr Tom Stack
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

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.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In So me Countries”
clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for
submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Explosive atmospheres - Part 7: Equipment protection by increased safety "e"

PROPOSED STABILITY DATE: 2027
NOTE FROM TC/SC OFFICERS:
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.

oSIST prEN IEC 60079-7:2024
IEC CDV 60079-7 ED6 © IEC 2023 -2- 31/1748/CDV

1 CONTENTS
2 CONTENTS . 1
3 FOREWORD . 8
4 1 Scope . 16
5 2 Normative references . 17
6 3 Terms and definitions . 19
7 4 Construction requirements . 23
8 4.1 Level of Protection . 23
9 4.2 Electrical connections . 24
10 4.2.1 General . 24
11 4.2.2 Field wiring connections . 25
12 4.2.3 Factory connections . 26
13 4.2.4 External plug and socket-outlet connections for field wiring connection . 28
14 4.3 Insulation coordination . 29
15 4.3.1 Environmental conditions . 29
16 4.3.2 Creepage distances . 31
17 4.3.3 Separation distances. 32
18 4.4 Printed circuit boards with coating, Level of Protection “ec” . 37
19 4.5 Solid electrical insulating materials. 38
20 4.5.1 General . 38
21 4.5.2 Specification . 38
22 4.5.3 Long-term thermal stability . 39
23 4.6 Windings . 39
24 4.6.1 General . 39
25 4.6.2 Insulated conductors . 39
26 4.6.3 Winding impregnation . 39
27 4.6.4 Conductor dimensions . 40
28 4.6.5 Sensing elements . 40
29 4.7 Limiting temperature. 40
30 4.7.1 General . 40
31 4.7.2 Conductors . 41
32 4.7.3 Insulated windings . 41
33 4.8 Wiring internal to equipment . 42
34 4.9 Degree of protection (IP Code) provided by enclosures . 42
35 4.9.1 General . 42
36 4.9.2 Drain holes or ventilation openings . 42
37 4.9.3 Live maintenance – Type of Protection “i” circuits or apparatus . 43
38 4.10 Fasteners . 43
39 5 Supplementary requirements for specific electrical equipment . 43
40 5.1 General . 43
41 5.2 Electric machines . 43
42 5.2.1 General . 43
43 5.2.2 Degrees of protection provided by electric machines, Level of Protection “eb”44
44 5.2.3 Degrees of protection provided by electric machines, Level of Protection “ec”44
45 5.2.4 Connection facilities for external conductors . 44
46 5.2.5 Internal cooling fans . 45
47 5.2.6 Minimum acceptable air gap . 45

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48 5.2.7 Rotating electric machines with cage rotors . 46
49 5.2.8 Determination of limiting temperature . 48
50 5.2.9 Machines with permanent magnet rotors . 52
51 5.2.10 Stator winding insulation system . 53
52 5.2.11 Supplemental winding requirements Level of Protection “eb” . 53
53 5.2.12 Bearing seals and shaft seals for Level of Protection “eb” . 53
54 5.2.13 Neutral point connections . 54
55 5.2.14 Anti-condensation heaters . 54
56 5.3 Luminaires, hand lights, or caplights . 55
57 5.3.1 General . 55
58 5.3.2 Light source . 55
59 5.3.3 Minimum distance between lamp and protective cover . 56
60 5.3.4 Electrical spacings . 57
61 5.3.5 Lampholders and lamp caps . 57
62 5.3.6 Auxiliaries for Luminaires in Level of Protection “ec” . 60
63 5.3.7 Surface temperatures . 61
64 5.3.8 Limiting temperatures. 62
65 5.3.9 Luminaires for tubular fluorescent bi-pin lamps . 62
66 5.3.10 Tests for resistance to impact . 63
67 5.4 Analog measuring instruments and instrument transformers . 64
68 5.4.1 General . 64
69 5.4.2 Limiting temperature . 64
70 5.4.3 Short-circuit currents . 64
71 5.4.4 Short time thermal current . 64
72 5.4.5 Measuring instruments supplied by current transformers . 64
73 5.4.6 Moving coils . 64
74 5.4.7 External secondary circuits . 64
75 5.5 Transformers other than instrument transformers . 65
76 5.6 Supplementary requirements for equipment incorporating cells and batteries . 65
77 5.6.1 Type of cells and batteries . 65
78 5.6.2 Requirements for cells and batteries 25 Ah . 67
79 5.6.3 Requirements for valve-regulated or vented cells or batteries 25 Ah . 69
80 5.6.4 Charging of cells and batteries . 73
81 5.7 Enclosures . 74
82 5.7.1 General purpose connection and junction boxes . 74
83 5.7.2 “ec” Ex Equipment enclosures . 74
84 5.8 Partially enclosed Ex Equipment in Level of Protection “ec”. 74
85 5.8.1 General . 74
86 5.8.2 Degree of protection (IP Code) requirements for Partially enclosed Ex
87 Equipment that is mounted in an “ec” Ex Equipment enclosure . 74
88 5.8.3 Degree of protection (IP Code) requirements for Partially enclosed Ex
89 Equipment that is used to complete the “ec” Ex Equipment enclosure . 74
90 5.9 Low-voltage switchgear and controlgear assemblies . 75
91 5.10 Resistance heating equipment (other than trace heating systems) . 75
92 5.10.1 General . 75
93 5.10.2 Heating resistors . 75
94 5.10.3 Temperature coefficient . 75
95 5.10.4 Insulating material . 75
96 5.10.5 Cold-start current . 75

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97 5.10.6 Electrical safety device . 75
98 5.10.7 Electrically conductive covering . 76
99 5.10.8 Exclusion of explosive atmosphere . 76
100 5.10.9 Conductor cross-section. 76
101 5.10.10 Limiting temperature . 76
102 5.10.11 Safety device . 77
103 5.11 Supplementary requirements for fuses . 78
104 5.11.1 General . 78
105 5.11.2 Temperature class of equipment . 78
106 5.11.3 Fuse mounting . 78
107 5.11.4 Fuse enclosures . 78
108 5.11.5 Replacement fuse identification. 78
109 6 Type verifications and type tests . 78
110 6.1 Dielectric strength . 78
111 6.2 Rotating electric machines . 79
112 6.2.1 Determination of starting current ratio I / I and the time tE . 79
A N
113 6.2.2 Mounting of machine for test . 79
114 6.2.3 Additional tests for machines . 79
115 6.2.4 Overspeed test . 81
116 6.3 Luminaires . 81
117 6.3.1 Battery operated luminaires . 81
118 6.3.2 Mechanical tests for screw lampholders other than E10 . 81
119 6.3.3 Abnormal operation of luminaires . 82
120 6.3.4 Sulphur dioxide test for Level of Protection “eb” for the connection of bi-pin lamp
121 caps to lampholders . 84
122 6.3.5 Vibration test for Level of Protection “eb” for luminaires with bi-pin lamps . 84
123 6.3.6 Test for wiring of luminaires subject to high-voltage impulses from ignitors . 85
124 6.3.7 Tests for electronic starters and ignitors. 86
125 6.3.8 Test for starter holders . 87
126 6.4 Measuring instruments and instrument transformers . 87
127 6.5 Transformers other than instrument transformers . 87
128 6.6 Verification and tests for cells and batteries of Level of Protection “eb” . 88
129 6.6.1 General . 88
130 6.6.2 Insulation resistance . 88
131 6.6.3 Mechanical shock test . 88
132 6.6.4 Test for ventilation of Level of Protection “eb” battery container . 89
133 6.7 Verification and tests for cells and batteries of Level of Protection “ec” . 90
134 6.7.1 General . 90
135 6.7.2 Insulation resistance . 90
136 6.7.3 Mechanical shock test . 90
137 6.7.4 Test for ventilation of Level of Protection “ec” battery container . 90
138 6.8 General purpose connection and junction boxes . 90
139 6.8.1 General . 90
140 6.8.2 Maximum dissipated power method . 91
141 6.8.3 Defined arrangement method . 91
142 6.9 Low-voltage switchgear and controlgear assemblies . 91
143 6.10 Resistance heating equipment . 91
144 6.11 Terminal insulating material tests . 92
145 7 Routine verifications and routine tests. 93

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146 7.1 Dielectric tests . 93
147 7.2 Insulation resistance tests for “eb” batteries . 94
148 7.3 Inter-turn overvoltage tests . 94
149 7.4 Thermal assessment of low-voltage switchgear and controlgear assemblies. 94
150 8 Certificates . 94
151 8.1 Ex Component Certificates . 94
152 8.2 Ex Component Certificates - Terminals . 94
153 8.3 Ex Equipment Certificates . 95
154 8.4 “ec” Ex Equipment Enclosure Certificates . 95
155 9 Marking . 95
156 9.1 General . 95
157 9.2 Enclosures . 96
158 9.2.1 Ex Component enclosures . 96
159 9.2.2 “ec” Ex Equipment enclosures . 96
160 9.3 Warning markings . 96
161 10 Instructions . 97
162 10.1 General . 97
163 10.2 Terminals . 97
164 10.3 Ex Equipment electric machines . 97
165 10.4 Ex Equipment Luminaires . 97
166 10.5 Battery operated Ex Equipment . 98
167 10.6 Partially enclosed “ec” Ex Equipment . 98
168 10.6.1 Partially enclosed “ec” Ex Equipment that is mounted completely within the “ec”
169 Ex Equipment enclosure . 98
170 10.6.2 Partially enclosed “ec” Ex Equipment that is installed through the enclosure wall
171 98
172 10.7 “ec” Ex Equipment enclosure . 99
173 11 Schedule drawings . 99
174 Annex A (normative) Temperature determination of electric machines – Methods of test and of
175 calculation . 100
176 A.1 General . 100
177 A.2 Determination of maximum service temperatures . 100
178 A.2.1 Rotor temperature – normal operation . 100
179 A.2.2 Winding temperature – normal operation . 100
180 A.3 Determination of maximum surface temperatures . 101
181 A.3.1 General . 101
182 A.3.2 Motors supplied by a converter . 101
183 A.3.3 Locked rotor tests when powered from a sinusoidal supply . 101
184 A.4 Optional calculation of maximum surface temperature . 102
185 A.4.1 General . 102
186 A.4.2 Rotor temperature . 102
187 A.4.3 Stator temperature . 102
188 A.5 Determination of t time . 102
E
189 A.6 Arduous starting conditions . 103
190 Annex B (normative) Type tests for specific forms of resistance heating devices or resistance
191 heating units (other than trace heater) . 104
192 B.1 Resistance heating devices subjected to mechanical stresses . 104
193 B.2 Resistance heating devices or units intended for immersion . 104
194 B.3 Resistance heating devices or units having hygroscopic insulating material . 104

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195 B.4 Verification of limiting temperature of resistance heating devices (other than trace
196 heaters). 104
197 B.4.1 General . 104
198 B.4.2 Safety devices . 104
199 B.4.3 Resistance heating unit of stabilized design . 105
200 B.4.4 Heating device with temperature self-limiting characteristic . 105
201 Annex C (informative) Cage motors – Thermal protection in service . 106
202 Annex D (informative) Resistance heating devices and units – Additional electrical protection
203 . 107
204 D.1 Objective . 107
205 D.2 Method of protection. 107
206 Annex E (informative) Combinations of terminals and conductors for general purpose
207 connection and junction boxes . 108
208 E.1 General . 108
209 E.2 Maximum dissipated power method . 108
210 E.3 Defined arrangement method . 108
211 Annex F (normative) Dimensions of copper conductors . 111
212 Annex G (normative) Test procedure for T5 (only 8 W),T8, T10 and T12 lamps . 112
213 G.1 Asymmetric pulse test . 112
214 G.1.1 General . 112
215 G.1.2 Test procedure . 112
216 G.2 Asymmetric power test . 113
217 G.2.1 General . 113
218 G.2.2 Test procedure . 114
219 Annex H (normative) Alternative separation distances for Level of Protection “ec” equipment
220 under controlled environments . 117
221 H.1 General . 117
222 H.2 Specific Conditions of Use. 117
223 H.3 Control of pollution access . 118
224 H.4 Control of overvoltages and transient protection . 118
225 H.5 Alternative separation distances . 118
226 Annex I (informative) Application, installation, and testing considerations for Level of Protection
227 “ec” asynchronous machines . 121
228 I.1 Surface temperature . 121
229 I.2 Starting . 121
230 I.3 Rated voltage and surface discharges . 122
231 Annex J (informative) Luminaires incorporating LED Packages . 123
232 J.1 LED Packages for EPL Gb . 123
233 J.2 LED Packages for EPL Gc . 123
234 Annex K (normative) Electric machines supplied by a converter – Instructions . 124
235 Annex L (informative) Guidance on the selection of comparable converters. 125
236 L.1 Machine temperature rise and operational principles of converters . 125
237 L.2 Loss components . 125
238 L.3 Motor voltage limitations due to rectifier supply type. 125
239 L.3.1 Diode rectifiers . 126
240 L.3.2 Active rectifiers . 126
241 L.4 Modulation, pulse frequency, and converter topology . 126
242 L.5 Test conditions . 127

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243 Annex M (Normative) Thermal assessment of low-voltage switchgear and controlgear
244 assemblies . 129
245 M.1 General . 129
246 M.2 Practical application of the thermal assessment methods . 129
247 M.2.1 Verification by testing . 129
248 M.2.2 Verification by comparison . 129
249 M.2.3 Verification by assessment by calculation (modelling) . 130
250 Bibliography . 131
252 Figure 1 – Clearance for Level of Protection “ec”. 30
253 Figure 2 – Creepage distance for Level of Protection “ec” . 32
254 Figure 3 – Determination of creepage distances and clearances . 37
255 Figure 4 – Minimum values of the time t (in seconds) of motors in relation to the starting
E
256 current ratio I /I . 51
A N
257 Figure 5 – Arrangement for the luminaire vibration test . 85
258 Figure A.1 – Diagram illustrating the determination of time tE . 103
259 Figure E.1 – Example of defined terminal/conductor arrangement table . 110
260 Figure G.1 – Asymmetric pulse test circuit. 113
261 Figure G.2 – Asymmetric power detection circuit . 115
262 Figure G.3 – Flow Chart – Asymmetric power Test for T8, T10, T12 and T5 (8 W lamps) . 116
264 Table 1 – Tracking resistance of insulating materials . 31
265 Table 2 – Minimum Creepage distances, clearances and separations . 33
266 Table 3 – Conditions for the determination of maximum surface temperature . 40
267 Table 4 – Maximum permissible temperatures for insulated windings . 41
268 Table 5 Separation in compound-filled cable sealing boxes . 45
269 Table 6 – Potential air gap sparking risk assessment for cage rotor ignition risk factors . 48
270 Table 7 – Stator insulation system tests of Level of Protection “ec” machines . 53
271 Table 8 – Assumed voltage of neutral points . 54
272 Table 9 – Minimum distance between lamp and protective cover . 56
273 Table 10 – Spacings for pulse voltages greater than 1,5 kV . 57
274 Table 11 – Creepage distances and clearances for screw lampholder and lamp cap . 58
275 Table 12 − Resistance to the effect of short-circuit currents . 64
276 Table 13 – Types and use of cells and batteries . 66
277 Table 14 – Explosion test mixtures . 80
278 Table 15 – Insertion torque and minimum removal torque . 82
279 Table 16 – Power dissipation of cathodes of lamps supplied by electronic control gear . 83
280 Table 17 – Value for pull-out tests . 93
281 Table 18 − Text of warning markings . 96
282 Table 19 – Creepage distances and clearances for screw lamp caps . 98
283 Table F.1 – Standard cross-sections of copper conductors . 111
284 Table H.1 – Alternative separation distances for equipment under controlled environments 120
285 Table K.1 – Example of specific (type-test) converter parameters . 124
286 Table L.1 – Modulation method and converter topology comparison . 127
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288 INTERNATIONAL ELECTROTECHNICAL COMMISSION
289 ____________
291 EXPLOSIVE ATMOSPHERES –
293 Part 7: Equipment protection
294 by increased safety ''e''
296 FOREWORD
297 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all
298 national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co -
299 operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to
300 other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available
301 Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical
302 committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work.
303 International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation.
304 IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions
305 determined by agreement between the two organizations.
306 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
307 consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC
308 National Committees.
309 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in
310 that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC
311 cannot be held responsible for the way in which they are used or for any misinterpretation by any end user.
312 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to
313 the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and
314 the corresponding national or regional publication shall be clearly indicated in the latter.
315 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment
316 services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by
317 independent certification bodies.
318 6) All users should ensure that they have the latest edition of this publication.
319 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of
320 its technical committees and IEC National Committees for any personal injury, property damage or other damage of any
321 nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the
322 publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.
323 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
324 indispensable for the correct application of this publication.
325 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights.
326 IEC shall not be held responsible for identifying any or all such patent rights.
327 International Standard IEC 60079-7 has been prepared by IEC Technical Committee 31: Equipment for
328 explosive atmospheres.
329 This sixth edition cancels and replaces the fifth edition published in 2015, and constitutes a technical
330 revision.
oSIST prEN IEC 60079-7:2024
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Type
Minor and Major
Changes Clause Extension
editorial technical
changes changes
“Equipment” replaced by “Ex Equipment” General X
Clarification of documentation to specifically point General X
to Schedule Drawings
Updated RTD to ETD to cover additional devices General X
Changed “Electrical Machines” to “Electric General X
Machines”
“Ballast” replaced by “Control Gear” in Luminaire General X
applications
Guidance added for greater than 30 kHz 1 X
IEC 60044-6 is replaced by IEC 61869-2 2 X
IEC 60079-15 is added 2 X
IEC 60664-4 is added 2 X
IEC 60947-7-3 is added 2 X
Battery Definitions are moved to IEC 60079-0 3 X
Definition for “ec” Ex Equipment Enclosure added 3.2 B1
Definition for “ec” Ex Equipment, Partially 3.3 B1
Enclosed added
Definition for “Fuse” moved to IEC 60079-0 3 X
Definition for “LED” added along with Notes to 3.7 X
Entry
Definition for “LED module” revised 3.7.1 X
Definition for “LED Package” revised 3.7.2 X
Low Voltage Switchgear and Controlgear 3.8 X
assemblies definition added
Pulse Frequency definition added 3.13 X
Semiconductor Device definition added 3.14 X
“Solid Insulation” definition moved to IEC 60079-0 3 X
Switching Frequency definition added 3.18 X
Revised Definition of Terminal and added 3.19 X
indication of domain
“Safety Device” definition moved to IEC 60079-0 3 X
“Transportable” definition moved to IEC 60079-0 3 X
Clarification that the arcing and sparking device in 4.1 X
an enclosure must have tool access
Clarified requirements of contact pressure through 4.2.1 X
insulating materials
Addressed fused terminal blocks per 4.2.2.2 X
IEC 60947-7-3
Clarified Soldering as a connection method 4.2.3.3d) X
Clarified the group connections of pluggable 4.2.3.4c) X
connection
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Type
Changes Clause Minor and Extension Major
editorial technical
changes changes
Clarified the group connections of pluggable 4.2.3.5 X
connection
Clarified the group connections of pluggable
4.2.3.6 X
connection
Clarification of Terms for Socket Outlet and Inlet 4.2.4 X
Added Field Wiring connections involving Plugs 4.2.4 X
and Socket Outlets
Clarification of Securing requirements and 4.2.4 b) X
evaluation
Introduction into Insulation coordination 4.3  C1
Summarized Environmental conditions for 4.3.1  C1
Insulation coordination and provide details and
application of micro- and macro- environments
Clarified requirements for Clearance Distances 4.3.3  C1
Clarified requirements for Creepage Distances 4.3.4  C1
Clarified requirements for separation distances 4.3.4  C1
Clarified requirements Separation Distances and 4.4  C1
Coatings for Printed Circuit Boards
Clarified requirements for Solid Insulating 4.5 X
materials
Clarified winding wire requirements 4.6.2b) X
Corrected requirements to align with IEC 60034-1 4.7.3 X
Table 4
Requirements for “ec” moved to IEC 60079-0 4.9.1 X
Clarification of Fastener Terms to align with 4.10 X
IEC 60079-0
Clarified applicability of IEC 60034-1 5.2.1 X
Clarified IP requirement for machines with terminal
5.2.3 X
boxes
Clarified requirements for internal cooling fans 5.2.5 X
Clarified requirements for air gap 5.2.6 X
Clarified bars and rings of cage rotors are not bare 5.2.7.2.1 X
conductive parts.
Clarified assessment for possible air gap sparking 5.2.7.3 X
Added a calling clause for Annex A 5.2.8.1 X
Clarification of rotor temperature limits 5.2.8.2 X
Added Section on use of current dependent safety 5.2.8.3 X
devices
Clarification on the use of temperature sensors in 5.2.8.4 X
rotors
Clarified use on operation by a converter 5.2.8.5 X
Added instruction requirements on the 5.2.12.2 X (E#)
maintenance of rubbing seals
Added requirements for determining temperatures 5.2.14 X
with anti-condensation heaters
Removed requirements for manufacturer’s 5.3.1 X
declaration with respect to IEC 60598-1 for
fluorescent lamps
Added LED Package as a light source for “ec” 5.3.2.2 X
...