kSIST FprEN 50214:2022
(Main)Flat flexible cables
Flat flexible cables
This document covers the construction, requirements and particular test methods for flat, flexible PVC or halogen-free insulated and sheathed cables, of rated voltage Uo/U 300/500 V and above 1 mm2 Uo/U 450/750 V for use in passenger and goods lifts (elevators), and Uo/U 450/750 V for general purposes and for special applications such as hoists and travelling cranes.
NOTE 1 This revision is in accordance with an agreement with CEN TC 10 to specify in the same standard a) flexible cables for lifts as required by EN 81-20, and b) flexible cable for applications such as hoists and travelling cranes, previously found in HD 359. In accordance with this agreement, only those cables in Clauses 5 and 6 are suitable for use with EN 81-20.
NOTE 2 The limits for the overall diameter of the cables have been calculated in accordance with EN 60719.
Flache flexible Leitung
Dieses Dokument umfasst Aufbau, Anforderungen und besondere Prüfverfahren für flache, flexible, mit PVC oder mit halogenfreien Materialien isolierte und -ummantelte Leitungen mit einer Nennspannung von U0/U 300/500 V und für Querschnitte größer als 1 mm² mit einer Nennspannung U0/U 450/750 V für die Verwendung an Personen- und Lastenaufzügen und von U0/U 450/750 V für allgemeine Verwendung und spezielle Anwendungen wie z. B. Aufzüge und Laufkräne.
ANMERKUNG 1 Diese Überarbeitung erfolgt in Übereinstimmung mit dem Abkommen mit CEN TC 10, um in der gleichen Norm a) flexible Leitungen nach EN 81-20 und b) flexible Leitungen für Anwendungen wie Aufzüge und Laufkräne festzulegen, die vorher in HD 359 zu finden waren. Nach dieser Übereinkunft sind nur die Leitungen in den Abschnitten 5 und 6 für Anwendungen nach EN 81-20 geeignet.
ANMERKUNG 2 Die Außenmaße der Leitungen sind in Übereinstimmung mit EN 60719 berechnet worden.
Câbles souples méplats
Le présent document couvre la construction, les exigences et les méthodes d’essai spécifiques pour les câbles méplats souples isolés et gainés en PVC ou sans halogène de tension assignée Uo/U 300 V/500 V, et pour les sections supérieures à 1 mm2, de tension assignée Uo/U 450 V/750 V, destinés aux ascenseurs et monte-charge, et de tension assignée Uo/U 450 V/750 V pour une utilisation générale et des applications particulières telles que câbles pour festons et grues mobiles.
NOTE 1 La présente révision, faite en accord avec le CEN TC 10, spécifie dans la même norme, a) les câbles souples pour ascenseurs comme exigé par l’EN 81-20 et b) les câbles souples pour applications telles que festons et grues mobiles, précédemment décrits dans le document HD 359. En conformité avec cet accord, seuls les câbles couverts par les Articles 5 et 6 conviennent pour une utilisation conformément à l’EN 81-20.
NOTE 2 Les limites applicables aux diamètres extérieurs des câbles ont été calculées conformément à l’EN 60719.
Ploščati zvijavi kabli
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 50214:2021
01-september-2021
Ploščati zvijavi kabli
Flat flexible cables
Flache flexible Leitung
Câbles souples méplats
Ta slovenski standard je istoveten z: prEN 50214
ICS:
29.060.20 Kabli Cables
oSIST prEN 50214:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 50214:2021
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oSIST prEN 50214:2021
EUROPEAN STANDARD DRAFT
prEN 50214
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2021
ICS Will supersede EN 50214:2006 and all of its
amendments and corrigenda (if any)
English Version
Flat flexible cables
Câbles souples méplats Flache flexible Leitung
This draft European Standard is submitted to CENELEC members for enquiry.
Deadline for CENELEC: 2021-10-01.
It has been drawn up by CLC/TC 20.
If this draft becomes a European Standard, CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CENELEC in three official versions (English, French, German).
A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to
the CEN-CENELEC Management Centre has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Project: 70522 Ref. No. prEN 50214 E
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oSIST prEN 50214:2021
prEN 50214:2021 (E)
8 Contents Page
9 European foreword . 4
10 1 Scope . 5
11 2 Normative references . 5
12 3 Definitions . 6
13 3.1 Definitions relating to insulating and sheathing materials . 6
14 3.2 Definitions relating to the tests . 7
15 4 Requirements for the construction of cables . 8
16 4.1 General . 8
17 4.2 Power and control cores (EN 60204-1) . 8
18 4.3 Communication Units . 8
19 5 Flat sheathed flexible cables for lifts, assembled in single layer . 8
20 5.1 Code designation . 8
21 5.2 Rated voltage . 9
22 5.3 Construction . 9
23 5.3.1 Conductor of power and control cores . 9
24 5.3.2 Insulation . 9
25 5.3.3 Assembly of cores and communication units . 9
26 5.3.4 Strain bearing member (sbm) . 10
27 5.3.5 Sheath . 10
28 5.4 Tests . 11
29 6 Flat sheathed flexible cables for lifts, assembled in bundles and units . 12
30 6.1 Code designation . 12
31 6.2 Rated voltage . 12
32 6.3 Construction . 12
33 6.3.1 Conductor of power and control cores . 12
34 6.3.2 Insulation . 12
35 6.3.3 Assembly of bundles and units . 12
36 6.3.4 Strain bearing member (sbm) . 12
37 6.3.5 Sheath . 13
38 6.4 Tests . 13
39 7 Flat PVC sheathed flexible cable of rated voltage 450/750 V . 16
40 7.1 Code designation . 16
41 7.2 Rated voltage . 16
42 7.3 Construction . 16
43 7.3.1 General . 16
44 7.3.2 Conductor . 16
45 7.3.3 Insulation . 16
46 7.3.4 Assembly of cores . 17
47 7.3.5 Strain bearing member (sbm) . 17
48 7.3.6 Sheath . 17
49 7.4 Tests . 18
50 8 Test methods . 19
51 9 Marking . 19
52 9.1 General . 19
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53 9.2 Common Marking . 20
54 10 Guide to use . 20
55 Annex A (normative) Test methods . 21
56 Annex B (normative) Guide to use . 26
57 Annex ZZ (informative) Relationship between this European standard and the safety
58 objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be covered . 28
59 Bibliography . 31
60
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prEN 50214:2021 (E)
61 European foreword
62 This document (prEN 50214:2021) has been prepared by CLC/TC 20 “Electric cables”.
63 This document is currently submitted to the Enquiry.
64 The following dates are proposed:
• latest date by which the existence of this (doa) dor + 6 months
document has to be announced at national
level
• latest date by which this document has to be (dop) dor + 12 months
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) dor + 36 months
conflicting with this document have to be (to be confirmed or
withdrawn modified when voting)
65 This document will supersede EN 50214:2006 and all of its amendments and corrigenda (if any).
66 prEN 50214:2021 includes the following significant technical changes with respect to EN 50214:2006:
67 — halogen-free insulated and sheathed cables are included.
68 — The cable may consist of power cores, control cores or communication units or combination of
69 them.
70 — Clause 5 describes only Flat sheathed flexible cables for lifts, assembled in single layer.
71 — Clause 6 describes only Flat sheathed flexible cables for lifts, assembled in bundles and units
72 This document has been prepared under a mandate given to CENELEC by the European Commission
73 and the European Free Trade Association, and supports essential requirements of EU Directive(s).
74 For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
75 document.
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76 1 Scope
77 This document covers the construction, requirements and particular test methods for flat, flexible PVC
2
78 or halogen-free insulated and sheathed cables, of rated voltage U /U 300/500 V and above 1 mm
o
79 U /U 450/750 V for use in passenger and goods lifts (elevators), and U /U 450/750 V for general
o o
80 purposes and for special applications such as hoists and travelling cranes.
81 NOTE 1 This revision is in accordance with an agreement with CEN TC 10 to specify in the same standard
82 a) flexible cables for lifts as required by EN 81-20, and b) flexible cable for applications such as hoists and
83 travelling cranes, previously found in HD 359. In accordance with this agreement, only those cables in Clauses 5
84 and 6 are suitable for use with EN 81-20.
85 NOTE 2 The limits for the overall diameter of the cables have been calculated in accordance with EN 60719.
86 2 Normative references
87 The following documents are referred to in the text in such a way that some or all of their content
88 constitutes requirements of this document. For dated references, only the edition cited applies. For
89 undated references, the latest edition of the referenced document (including any amendments)
90 applies.
91 EN 50334, Marking by inscription for the identification of cores of electric cables
92 EN 50363 (series), Insulating, sheathing and covering materials for low voltage energy cables
93 EN 50395:2005, Electrical test methods for low voltage energy cables
94 EN 50396:2005, Non electrical test methods for low voltage energy cables
95 EN 50525-1:2011, Electric cables - Low voltage energy cables of rated voltages up to and including
96 450/750 V (U0/U) - Part 1: General requirements
97 EN 50565-1, Electric cables - Guide to use for cables with a rated voltage not exceeding 450/750 V
98 (U0/U) - Part 1: General guidance
99 EN 50565-2, Electric cables - Guide to use for cables with a rated voltage not exceeding 450/750 V
100 (U0/U) - Part 2: Specific guidance related to EN 50525 cable types
101 EN 60204-1:2018, Safety of machinery - Electrical equipment of machines - Part 1: General
102 requirements (IEC 60204-1:2016, modified)
103 EN 60228, Conductors of insulated cables (IEC 60228)
104 EN 60332-1-2, Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for
105 vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame
106 (IEC 60332-1-2)
107 EN 60332-3-24, Tests on electric and optical fibre cables under fire conditions - Part 3-24: Test for
108 vertical flame spread of vertically-mounted bunched wires or cables - Category C (IEC 60332-3-24)
109 EN IEC 60754-3:2019, Test on gases evolved during combustion of materials from cables - Part 3:
110 Measurement of low level of halogen content by ion chromatography (IEC 60754-3:2018)
111 EN 60811 (series), Electric and optical fibre cables - Test methods for non-metallic materials
112 (IEC 60811 series)
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113 EN 60811-506:2012, Electric and optical fibre cables - Test methods for non-metallic materials - Part
114 506: Mechanical tests - Impact test at low temperature for insulations and
115 sheaths(IEC 60811-506:2012)
116 EN 60811-509:2012, Electric and optical fibre cables - Test methods for non-metallic materials - Part
117 509: Mechanical tests - Test for resistance of insulations and sheaths to cracking (heat shock test)
118 (IEC 60811-509:2012)
119 EN 61034-2, Measurement of smoke density of cables burning under defined conditions - Part 2: Test
120 procedure and requirements (IEC 61034-2)
121 HD 308, Identification of cores in cables and flexible cords
122 HD 60364-5-52:2011, Low-voltage electrical installations. Part 5-52. Selection and erection of
123 electrical equipment. Wiring systems (IEC 60364-5-52:2009, modified)
124 IEC 60227-6:2001, Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V
125 - Part 6: Lift cables and cables for flexible connections
126 IEC 61156-6, Multicore and symmetrical pair/quad cables for digital communications - Part 6:
127 Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz - Work area wiring -
128 Sectional specification
129 ISO 11898-1, Road vehicles — Controller area network (CAN) — Part 1: Data link layer and physical
130 signalling
131 3 Definitions
132 For the purposes of this document, the following terms and definitions apply.
133 ISO and IEC maintain terminological databases for use in standardization at the following addresses:
134 — ISO Online browsing platform: available at https://www.iso.org/obp
135 — IEC Electropedia: available at https://www.electropedia.org/
136 3.1 Definitions relating to insulating and sheathing materials
137 3.1.1
138 type of compound
139 category in which a compound is placed according to its properties and determined by specific tests
140 Note 1 to entry: The type designation is not directly related to the composition of the compound.
141 3.1.2
142 polyvinyl chloride compound
143 PVC
144 combinations of materials, of which polyvinyl chloride is the characteristic constituent, suitably
145 selected, proportioned and treated which meet the requirements given in the particular specification
146 3.1.3
147 halogen-free compound
148 halogen-free
149 halogen-free thermoplastic material with improved properties in reaction of fire
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150 3.2 Definitions relating to the tests
151 3.2.1
152 type tests
153 T
154 tests required to be made before supplying a type of cable covered by this document on a general
155 commercial basis, in order to demonstrate satisfactory performance characteristics to meet the
156 intended application
157 Note 1 to entry: These tests are of such a nature that, after they have been made, they need not be repeated
158 unless changes are made in the cable materials, design or type of manufacturing process which might change the
159 performance characteristics.
160 3.2.2
161 sample tests
162 S
163 tests made on samples of completed cable, or components taken from a completed cable adequate to
164 verify that the finished product meets the design specifications
165 3.2.3
166 routine tests
167 R
168 tests made on all production cable lengths to demonstrate their integrity
169 3.3
170 rated voltage
171 reference voltage for which the cable is designed, and which serves to define the
172 electrical tests
173 Note 1 to entry: The rated voltage is expressed by the combination of two values U /U, expressed in volts:
o
174 — U being the r.m.s. value between any insulated conductor and “earth” (metal covering of the cable or
o
175 the surrounding medium);
176 — U being the r.m.s. value between any two phase-conductors of a multicore cable or of a system of
177 single-core cables.
178 Note 2 to entry: In an alternating current system, the rated voltage of a cable shall be at least equal to the
179 nominal voltage of the system for which it is intended.
180 Note 3 to entry: This condition applies both to the value U and to the value U.
o
181 Note 4 to entry: In a direct current system, the nominal voltage between conductors shall be not higher than 1,5
182 times the rated voltage (U) of the cable, and the nominal voltage between any conductor and earth shall not be
183 higher than 1,5 times the rated voltage (U ) of the cable.
o
184 Note 5 to entry: The operating voltage of a system may permanently exceed the nominal voltage of such a
185 system by 10 %. A cable can be used at a 10 % higher operating voltage than its rated voltage if the latter is at
186 least equal to the nominal voltage of the system.
187 3.4
188 freely suspended length
189 unsupported allowed length of cable between two fixing points
190 3.5
191 strain bearing member
192 sbm
193 metallic or non-metallic high tensile strand or bunch included in the cable construction in order to hold
194 the cable weight
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195 4 Requirements for the construction of cables
196 4.1 General
197 The cable may consist of power cores, control cores or communication units or combination of them.
198 Symmetric design is preferred.
199 4.2 Power and control cores (EN 60204-1)
200 Unless otherwise indicated in Clauses 5, 6 or 7 of this EN, the cables shall comply with the general
201 requirements specified in EN 50525-1:2011, Clause 5.
202 Core identification with or without a green-and-yellow core are harmonized. For cables with five cores
203 or fewer, the identification of the remaining cores shall be either by colours, in accordance with a)
204 below, or by numbers in accordance with b) below. For cables with six cores or more only identification
205 by numbers shall be used, except for any green-and-yellow core.
206 a) Identification by colours
207 The identification system of HD 308 shall be used.
208 b) Identification by numbers
209 Identification by numbers shall be in accordance with EN 50334.
210 The green-and-yellow core, if any, shall not be identified by a number.
211 4.3 Communication Units
212 Communication units can be copper pairs, quads, coaxial cables or optical fibres or combination of
213 them. Cables can also consist exclusively of communication units.
2
214 Conductor shall have a minimum cross section of 0,14 mm . Compounds may differ from
215 EN 50363 series.
216 Copper units (pairs, quads): (difference based on frequency OR characteristics):
217 — Units without defined High Frequency performances (below 100 MHz) shall be tested in
218 accordance to the relevant product specification
219 — Units with defined High Frequency performances (equal and above 100 MHz) of 100 Ohm
220 impedance shall be tested with reference to IEC 61156-6 and the relevant product specification.
221 — Units with defined High Frequency -performances of 120 Ohm impedance shall be tested with
222 reference to ISO 11898-1 and the relevant product specification
223 Coaxial cable units:
224 — Shall be tested with the relevant product specification
225 Optical fibre units:
226 — Shall be tested with the relevant product specification
227 5 Flat sheathed flexible cables for lifts, assembled in single layer
228 5.1 Code designation
229 PVC compound
Without strain bearing members: H05VVH6-F / H05V3V3H6-F
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With strain bearing members: H05VVD3H6-F / H05V3V3D3H6-F
230 Halogen-free compound
Without strain bearing members: H05Z1Z1H6-F
With strain bearing members: H05Z1Z1D3H6-F
231 In the case of additional voltage levels above 300/500 V for power cores within one cable, the
232 harmonized designation shall not be applied.
233 5.2 Rated voltage
234 300/500 V
235 5.3 Construction
236 5.3.1 Conductor of power and control cores
237 Material: copper
238 Number of conductors: 4 up to 30
2 2
239 Nominal cross sections: 0,5 mm up to 4 mm (referenced standard EN 60204-1:2018, Table 5 -
2
240 > 0,75mm )
241 The conductors shall be in accordance with the requirements of Class 5 given in EN 60228.
242 5.3.2 Insulation
243 The insulation shall be PVC compound of type TI 2 or TI 5 to EN 50363-3 or halogen-free
244 thermoplastic compound TI 6 or TI 7 to EN 50363-7 or cross-linked halogen-free compound EI 8 to
245 EN 50363-5 applied around each conductor. The mean value of the thickness of insulation shall be not
246 less than the specified value for each type and size of cable shown in Table 3.
247 However, the thickness at any place may be less than the specified value provided that the difference
248 does not exceed 0,1 mm + 10 % of the specified value.
249 Compliance shall be checked by the test given in EN 50396:2005, 4.1.
250 The insulation resistance at 70 °C shall be not less than the values given in Table 3.
251 5.3.3 Assembly of cores and communication units
252 Assembly of cores and units shall be designed to reinforce the cable under mechanical load. Various
253 groupings and numbers of cores with different cross section or communication units may be used.
254 The preferred number of cores for the composition of the cables is given in Table 1, according to the
255 nominal cross-sectional areas of conductors.
256 Table 1 — Number and nominal cross-sectional area of conductors
Nominal cross-sectional area Preferred number of cores
2
mm
0,75 4, 6, 9, 12, 16, 18, 20 and 24
1 4, 5, 6, 9, 12, 16, 18, 20 and 24
257 The cores shall be laid parallel and covered with the sheath.
258 The cores shall be grouped, lying closely side by side in groups of 2 to 5 cores. For cables having the
259 preferred number of cores, given in Table 1, it is recommended to group shown in Table 2.
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260 Table 2 — Grouping of cores
Number of cores 6 9 12 16 18 20 24
Number of groups x 2 × 3 3 × 3 3 × 4 4 × 4 2 × 4 + 2 × 5 5 × 4 6 × 4
number of cores in group
A rip-cord may be added inside each core group.
261 The green-and-yellow core, if any, shall be placed inside one of the inner core groups, and preferably
262 next to either core number 7 or 8. For cables with fewer than 8 cores, the green-and-yellow core shall
263 be placed as centrally as possible.
264 It shall be possible to separate the cores without damage to the insulation.
265 5.3.4 Strain bearing member (sbm)
266 A strain bearing member (or members) either of textile material or of metal may be included in the
267 cable, but shall be separated from the core groups.
268 It is permitted to apply a protective surface coating to the sbm.
269 The use of sbm is compulsory for freely suspended lengths exceeding 45 m. Thus, the value of the
270 freely suspended length for each particular cable shall be declared. The sbm shall preferably be
271 located on the edges of the cable in a symmetrical position and shall be easily separable from the
272 cable, without damage to the cores, when separate terminations of the sbm are necessary.
273 5.3.5 Sheath
274 The sheath shall be PVC compound of type TM 2 or TM 4 to EN 50363-4-1 or for halogen-free sheath
275 compound of type TM 7 to EN 50363-8 applied so as to substantially avoid the formation of cavities.
276 The sheath shall not stick to the cores.
277 The sheath thickness shall be measured and evaluated generally in accordance with EN 50396:2005,
278 4.3, with the following exceptions.
279 Measurements for e , e and e shall be taken as follows (see Figures 1 and 2):
1 2 3
e the clearance separating groups of cores shall not at any place be less than the
1
value specified in Table 3;
e the thickness on both flat sides shall be measured in each core group at the place
2
where the sheath is thinnest; the opposite thickness at the same core shall also be
measured. The mean value of measurements above shall not be less than that
specified in Table 3. The minimum value of e at any place shall not be less than
2
the specified value by more than 0,2 mm + 20 % of the specified value;
e the thickness of the cable sheath, where measured over communication units, shall
2
comply with the requirements for minimum thickness but shall not be taken into
account when calculating the mean value
e the thickness at the edge and the separation between sbm, if any, and cores shall
3
be measured at both edges of the cable, along the major axis of the cross section.
The mean value of measurements above shall not be less than that specified in
Table 3. The minimum value of e at any place shall not be less than the specified
3
value by more than 0,2 mm + 20 % of the specified value.
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280
281 Key
1 Alternative edge shaping
282 Figure 1 — Cable without strain bearing member
283
284 Figure 2 — Cable with strain bearing member
285 Table 3 — General data
Nominal Maximum Thickness Thickness of sheath and clearance Minimum
cross- diameter of of insulation
e e e
1 2 3
sectional wires in insulation resistance at
area of conductor 70 °C
(min) (mean) (mean)
conductors
2
mm mm mm mm mm MΩ.km
mm
0,5 0,21 0,5 0,5 0,8 1,2 0,011
0,75 0,21 0,6 0,5 0,8 1,2 0,011
1 0,21 0,6 0,5 0,8 1,2 0,010
1,5 0,26 0,7 0,8 1,0 1,5 0,010
2,5 0,26 0,8 1,0 1,0 1,5 0,0095
4 0,31 0,8 1,2 1,2 1,5 0,0078
286 5.4 Tests
287 Compliance with the requirements of 5.3 shall be checked by inspection and by the tests given in
288 Table 6, for cables without sbm, and in Tables 6 and 7 for cables with sbm.
289 Each units of copper pairs, quads, coaxial cables or optical fibres shall be tested in accordance with
290 the relevant standards or product specification. Test on complete cable shall be tested given in
291 Table 6, Clause 6.
292 For the requirement of non-adhesion between sheath and core, this shall be carried out by a manual
293 test.
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294 6 Flat sheathed flexible cables for lifts, assembled in bundles and units
295 6.1 Code designation
296 PVC compound
Without strain bearing members: H05VVH9-F / H05V3V3H9-F
With strain bearing members: H05VVD3H9-F / H05V3V3D3H9-F
297 Halogen-free compound
Without strain bearing members: H05Z1Z1H9-F
With strain bearing members: H05Z1Z1D3H9-F
298 H9 (HD 361): flat cable with bundles and units acc. to EN 50214
299 In the case of additional voltage levels above 300/500 V for power cores within one cable, the
300 harmonized designation shall not be applied.
301 6.2 Rated voltage
302 300/500 V.
303 6.3 Construction
304 6.3.1 Conductor of power and control cores
305 Material: copper
306 Number of conductors: open (no limitations)
2 2
307 Nominal cross sections: 0,50 mm up to 4,0 mm
308 The conductors shall be in accordance with the requirements of Class 5 given in EN 60228 and
2
309 EN 60204-1, i.e. 0,75 mm
310 6.3.2 Insulation
311 The insulation shall be PVC compound of type TI 2 or TI 5 to EN 50363-3 or halogen-free
312 thermoplastic compound TI 6 or TI 7 to EN 50363-7 or cross-linked halogen-free compound EI 8 to
313 EN 50363-5 applied around each conductor.
314 The mean value of the thickness of insulation shall be not less than the specified value for each type
315 and size of cable shown in Table 3.
316 However, the thickness at any place may be less than the specified value provided that the difference
317 does not exceed 0,1 mm + 10 % of the specified value.
318 Compliance shall be checked by the test given in EN 50396:2005, 4.1.
319 The i
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