1、 CENELEC HD*2Lm9*S2 95 = 3404583 Ol152I187 418 = HARMONIZATION DOCUMENT HD 21.9 S2 DOC U M ENT D HARM ON I SAT1 ON HARMONISIERUNGSDOKUMENT February 1995 UDC 621.315.34:620.1 ICs 29.060.20 Supersedes HD 21.9 S1:1990 Descriptors: Electric cable, insulated cable, insulated conductor, polyvinyl chloride
2、. electric installation, test method, test at low temperature English version Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V Part 9: Single core non-sheathed cable for installation at low temperatures Conducteurs et cbles isols au polychlorure de vinyle, de tensi
3、on assigne au plus gale 450/750 V Partie 9: Conducteurs pour installations fixes basse temprature Polyvinylchlorid-isolierte Leitungen mit Nennspannungen bis 450/750 V Teil 9: Einadrige Leitungen ohne Mantel zur Verlegung bei tiefen Temperaturen This Harmonization Document was approved by CENELEC on
4、 1994-1 2-06. CENELEC members are bound to comply with the CENKENELEC Internai Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerning such national implementation may be obtained on
5、application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Ita
6、ly, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B -
7、1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. HD 21.9 521995 E CENELEC HD*Z1*9*S2 95 W 3404583 0152188 354 Page 2 HD 21.9 S2:1995 Foreword HD 21 was originally adopted by CENELEC on 9th July 1975. Edition 2 of HD 21 was implemented on 1 st January 1984, and at that time contained
8、 five parts. Since 1984, new parts have been published, original parts amended, and in addition HD 505 has superseded HD 385 as the cross-reference for test methods. This edition 2 of HD 21.9 has been introduced to cover the complete revision of the overall dimensions, in line with EN 60719, and was
9、 approved by TC 20 at its London meeting in October 1993 to go forward to UAP. HD 21 now has the following parts: HD 21.1 S2 HD 21.2 S2 HD 21.3 S3 HD 21.4 S3 HD 21.5 S3 HD 21.6 HD 21.7 S2 HD 21.8 S1 HD 21.9 52 HD 21.10 S1 General requirements Test methods Non sheathed cables for fixed wiring Sheathe
10、d cables for fixed wiring Flexible cables (Cords) (Spare) Single core non-sheathed cables for internal wiring (90 C conductor temperature) Single core non-sheathed cables for decorative chains Single core non-sheathed cables for installations at low temperatures Extensible leads - This Harmonization
11、 Document was prepared by the Technical Committee CENELEC TC 20, Electric cables. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as HD 21.9 S2 on 1994-1 2-06. The following dates were fixed: - latest date by which the existance of the HD - latest d
12、ate by which the HD has to be implemented has to be announced at national level at national level by publication of a harmonized national standard or by endorsement (doa) 1995-06-01 (dopl 1995-1 2-01 - latest date by which the national standards conflicting with the HD have to be withdrawn (dow) 199
13、5-1 2-01 For products which have complied with HD 21.9 S1:1990 before 1995-12-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 1996-1 2-01. CENELEC HD*E1*9*S2 95 I 3404583 0152187 290 I Page 3 HD 21.9 S2: 1995 NORMATIVE RE
14、FERENCES References are made, in this Part 9 of HD21, to other parts of this HD and to other ENS or HDs as follows: HD 383 HD 405.1 HD 505 EN 60719 Conductors of insulated cables (Endorsing IEC 228 and 228Al Tests on electric cables under fire conditions. Part 1: Test on a single vertical cable (End
15、orsing IEC 332-1 l Common test methods for insulating and sheathing materials of Electric Cables (Endorsing IEC 81 1) Calculation of the low and upper limits for the average outer dimensions of cables with circular copper conductors and of rated voltages up to and including 450/750V INFORMATIVE REFE
16、RENCE Reference is made in this Part 9 of HD 21 to the following other HD: HD 516 Guide to the use of low voltage harmonised cables In all cases a reference to another EN or HD implies the latest edition of that document CONTENTS 1. Scope 2. Single core non-sheathed cable with rigid conductor for in
17、stallation at low temperatures 2.1 Code designation 2.2 Rated voltage 2.3 Construction 2.4 Tests 2.5 2.6 Guide to use Indication of origin and temperature marking 3. Single core non-sheathed cable with flexible conductor for installation at low temperatures 3.1 Code designation 3.2 Rated voltage 3.3
18、 Construction 3.4 Tests 3.5 3.6 Guide to use Indication of origin and temperature marking 4 CENELEC HD*21.7*S2 75 3404583 0152190 TO2 Page 4 HD 21.9 S2:1995 1. ScoDe This particular part (Pan 9) of the HD details the particular specifications for polyvinyl chloride insulated single core non-sheathed
19、 cables for fixed wiring of rated voltage Uo/U 450/750V, intended for installation at low temperatures. All cables shall comply with the appropriate requirements given in Pan 1 and the individual types of cable shall each comply with the particular requirements of this Part 9. NOTE: The overall dime
20、nsions of the cables of this Part of HD 21 have been calculated in accordance with EN 60719. 2. Sinale core non-sheathed cable with riaid conductor for installation at low temDeratures 2.1 Code desianation H07V3-U, for cables with solid conductors; H07V3-R, for cables with stranded rigid conductors.
21、 2.2 Rated voltaae 450/750V. - Note: 600/1000V when this cable is used in fixed installations, with mechanical protection, within switchgear and controlgear ; see HD 51 6. 2.3 Construction 2.3.1 2.3.2 Conductor Number of conductors : 1 The conductors shall comply with the requirements of HD 383: Cla
22、ss 1 for solid conductors; Class 2 for stranded conductors. Insulation The insulation shall be polyvinyl chloride compound of Type TI 4, applied around the conductor. The insulation thickness shall comply with the specified value given in Part 9, Table I, column 3. The insulation resistance shall be
23、 not less than the value given in Part 9, Table I, column 6. 2.4 2.5 2.6 Page 5 HO 21.9 S2:1995 2.3.3 Overall diameter The mean overall diameter shall be within the limits given in Part 9, Table I, columns 4 and 5. Compliance with the requirements of Part 9, sub-clause 2.3 shall be checked by inspec
24、tion and by the tests given in Part 9, Table II. Indication of oriain and temDeroture marking In addition to the general requirement of Part 1, clause 3, a continuous marking using the symbol V3, indicating suitability for installation at low temperature, shall be applied by printing, indenting or e
25、mbossing on the insulation. Guide to use (Informative) See HD 516 1 Nominal cross- sectional area of conductors imm2i 1.5 1.5 2.5 2.5 4 4 6 6 10 10 16 25 35 50 70 95 120 150 185 240 300 400 Table I General data for TvDes H07V3-U and H07V3-R 2 Class of conductor HD 383) 1 2 1 2 1 2 1 2 1 2 2 2 2 2 2
26、2 2 2 2 2 2 2 3 Thickness of insulation Specified value imm 0.7 0.7 0.8 0.8 0.8 0.8 0.8 0.8 1 .o 1 .o 1 .o 1.2 1.2 1.4 1.4 1.6 1.6 1.8 2.0 2.2 2.4 2.6 41 5 Mean overall diameter Lower limit mmi 2.6 2.7 3.2 3.3 3.6 3.8 4.1 4.3 5.3 5.6 6.4 8.1 9.0 10.6 12.1 14.1 15.6 17.3 19.3 22.0 24.5 27.5 Upper Lim
27、it immi 3.2 3.3 3.9 4.0 4.4 4.6 5.0 5.2 6.4 6.7 9.7 10.9 12.8 14.6 17.1 18.8 20.9 23.3 26.6 29.6 33.2 7.8 6 Minimum insulation resistance at 700c (Mohm.km) 0.01 1 0.010 0.010 0.009 0.0085 0.0077 0.0070 0.0065 0.0070 0.0065 0.0050 0.0050 0.0043 0.0043 0.0035 0.0035 0.0032 0.0032 0.0032 0.0032 0.0030
28、0.0028 CENELEC HD*ZLm9*S2 95 340?4583 Ul152L72 885 4 Page 6 HD 21.9 S2:1995 5 Table II Tests for Tvoes H07V3-U and H07V3-R 1 Ref. No. 1. 1.1 1.2 1.3 1.4 1.5 2. 2.1 2.2 2.3 3. 3.1 3.2 3.3 4. 5. 5.1 5.2 5.3 6. 7 2 Tests Electrical tests Resistance of conductors Voltage test at 2500V Insulation resista
29、nce at 7OoC Long term resistance of insulation to d.c. Absence of faults on insulation Provisions coverino constructional and dimensional characteristics Checking of compliance with constructional provisions Measurement of thickness of insulation Measurement of overall diameter Mechanical DroDerties
30、 of insulation Tensile test before ageing Tensile test after ageing Loss of mass test Pressure test at hish temDerature Tests at low temDeraturc Bending test on insulation (+) Elongation test for insulation (*) impact test for insulation Heat shock test Test under fire conditions 3 Category of test
31、HD 21.2 21.2 21.2 21.2 21.2 21.1 21.2 21.2 505.1.1 505.1.2 505.3.2 505.3.1 505.1.4 505.1.4 505.1.4 505.3.1 405.1 Clause 2.1 2.2 2.4 2.5 2.6 Inspection and manual tests 1.9 1.11 9.1 8.1.3.1 8.1 8.1 8.1 8.3 8.5 9.1 + 1 (*I Only applicable to cores having mean overall diameters up to and including 12.5
32、mm Only applicable if the mean overall outer diameter of the core exceeds 12.5mm CENELEC HD*ZLm9*SZ 95 I 3q04583 0352393 733 Page 7 HD 2 1.9 S2: 1995 3. Sinale core non-sheathed cable with flexible conductor for installation at low temneratures 3.1 Code desicination H07V3-K 3.2 Rated voltaae 4501750
33、V Note: 600/1000V, when his cable is used in fixed ins allations with mechanical protection, within switchgear and controlgear : see HD 51 6 3.3 Construction 3.3.1 Conductor Number of conductors : 1 The conductors shall comply with the Class 5 requirements given in HD 383. 3.3.2 Insulation The insul
34、ation shall be polyvinyl chloride compound of Type TI 4, applied around the conductor. The insulation thickness shall comply with the specified value given in Part 9, Table III, column 2. The insulation resistance shall be not less than the value given in Part 9, Table 111, column 5. _ CENELEC HD*21
35、.9*S2 95 = 3404583 0152194 658 = Page 8 HD 21.9 S2:1995 Table 111 General data for Tvpe H07V3-K 1 Nominal cross- sectional area of conductors (mm2) 1.5 2.5 4 6 10 16 25 35 50 70 95 120 150 185 240 3.4 3.5 3.6 2 Thickness of insulation Specified value mm) 0.7 0.8 0.8 0.8 1 .o 1 .o 1.2 1.2 1.4 1.4 1.6
36、 1.6 1.8 2.0 2.2 3 I 4 Mean overall diameter Lower limit (mm) 2.8 3.4 3.9 4.4 5.7 6.7 8.4 9.7 11.5 13.2 15.1 16.7 18.6 20.6 23.5 Upper limit (mm) 3.4 4.1 4.8 5.3 6.8 8.1 10.2 11.7 13.9 16.0 18.2 20.2 22.5 24.9 28.4 5 Minimum insulation resistance at 70OC (Mohm.km) 0.01 o 0.009 0.007 0.006 0.0056 0.0
37、046 O. 0044 0.0038 0.0037 0.0032 0.0032 0.0029 0.0029 0.0029 0.0028 3.3.3 Overall diameter The mean overall diameter shall be within the limits given in Part 9 Table III, columns 3 and 4. Tests Compliance with the requirements of Part 9 sub-clause 3.3 shall be checked by inspection and by the tests
38、given in Part 9, Table IV. Indication of oriQin and temperature marking In addition to the general requirement of Part 1, clause 3, a continuous marking using the symbol V3, indicating suitability for installation at low temperature, shall be applied by printing, indenting or embossing on the insula
39、tion. Guide to use (Informative) See HD 516 1 Ref. No. 1. 1.1 1.2 1.3 1.4 1.5 2. 2.1 2.2 2.3 3. 3.1 3.2 3.3 4. 5. 5.1 5.2 6. 7 CENELFC HD*23=9*SZ 95 N 3404583 0352395 594 0 Page 9 HD 21.9 S2:1995 - Table IV Tests for TvDe H07V3-K Tests Electrical tests Resistance of conductors Voltage test at 2500V
40、Insulation resistance at 700C Long term resistance of insulation to d.c. Absence of faults on insulation Provisions coverina constructional and dimensional characteristics Checking of compliance with constructional provisions Measurement of thickness of insulation Measurement of overall diameter Mec
41、hanical DroDerties of insulation Tensile test before ageing Tensile test after ageing Loss of mass test Pressure test at hiah temDerature Tests at low temDerature Bending test on insulation ( + ) Elongation test for insulation (*I Heat shock test Test under fire conditions 3 Category of test T, S T,
42、 s T. S T R T, s T, S T, S T T T T T T T T 4 I 5 Test method described in HD 21.2 21.2 21.2 21.2 21.2 21.1 21.2 21.2 505.1.1 505.1.2 505.3.2 505.3.1 505.1.4 505.1.4 505.3.1 405.1 Clause 2.1 2.2 2.4 2.5 2.6 Inspection and manual tests 1.9 1.11 9.1 8.1.3.1 8.1 8.1 8.1 8.3 9.1 ( + 1 (*I Only applicable to cores having mean overall diameters up to and including 12.5mm Only applicable if the mean overall outer diameter of the core exceeds 12.5mm
