1、 IEC TS 62735-2 Edition 1.0 2016-12 TECHNICAL SPECIFICATION Direct current (DC) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices Part 2: Plug and socket-outlet system for 5,2 kW IEC TS 62735-2:2016-12(en) THIS
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9、anguages. Also known as the International Electrotechnical Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been colle
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11、ECIFICATION Direct current (DC) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices Part 2: Plug and socket-outlet system for 5,2 kW INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.120.01; 29.120.30 ISBN 978-2-8
12、322-3708-3 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC TS 62735-2:2016 IEC 2016 CONTENTS FOREWORD . 4 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 4 General requireme
13、nts 7 5 General notes on tests 7 6 Ratings 7 7 Classification . 7 8 Marking . 7 9 Checking of dimensions . 8 10 Protection against electric shock . 8 11 Provision for earthing 8 12 Terminals and terminations 8 13 Construction of socket-outlets . 11 14 Construction of plugs . 11 15 Interlocked plug a
14、nd socket-outlet systems 12 16 Resistance to ageing, protection provided by enclosures, and resistance to humidity . 12 17 Insulation resistance and electric strength . 12 18 Operation of earthing contacts . 13 19 Temperature rise . 13 20 Breaking capacity 14 21 Normal operation . 14 22 Force necess
15、ary to withdraw the plug 14 23 Flexible cables and their connection 15 24 Mechanical strength 16 25 Resistance to heat . 16 26 Screws, current-carrying parts and connections . 16 27 Creepage distances, clearances and distances through sealing compound 16 28 Resistance of insulating material to abnor
16、mal heat and to fire . 16 29 Resistance to rusting . 16 Annexes . 16 Annex AA (normative) Standard sheets and gauges . 17 Bibliography 21 Figure AA.1 Standard sheet 4: 5,2 kW / 294 V to 400 V d.c. socket-outlet for class I equipment . 18 Figure AA.2 Standard sheet 5: 5,2 kW / 294 V to 400 V d.c. plu
17、g for class I equipment . 19 Figure AA.3 Standard sheet 6: positioning of the “+” and “” pins/socket -contacts . 20 Table 1 Relationship between rated power and connectable nominal cross-sectional areas or American Wire Gauge (AWG) size of copper conductors . 9 IEC TS 62735-2:2016 IEC 2016 3 Table 2
18、 Values for pull test for screw-type terminals 9 Table 3 Composition of conductors for plugs 9 Table 5 Relationship between rated power and connectable cross-sectional areas or AWG size of copper conductors for screwless terminals . 10 Table 6 Value for pull test for screwless-type terminals 10 Tabl
19、e 7 Values for flexing under mechanical load test for copper conductors . 10 Table 8 Test current for the verification of electrical and thermal stresses in normal use for screwless terminals . 10 Table 9 Nominal cross-sectional areas or AWG size of rigid copper conductors for deflection test of scr
20、ewless terminals 11 Table 10 Deflection test forces . 11 Table 14 External cable dimension limits for surface-type socket-outlets . 11 Table 15 Nominal cross-sectional areas of copper conductors and test currents for the temperature rise test . 13 Table 16 Maximum and minimum withdrawal force for pl
21、ugs and socket-outlets . 15 Table 17 External dimensions of flexible cables to be accommodated by cord anchorages . 15 Table 18 Torque test values for cord anchorages . 15 Table 19 Maximum dimensions of flexible cables to be accommodated in rewirable accessories 16 4 IEC TS 62735-2:2016 IEC 2016 INT
22、ERNATIONAL ELECTROTECHNICAL COMMISSION _ DIRECT CURRENT (DC) PLUGS AND SOCKET-OUTLETS FOR INFORMATION AND COMMUNICATION TECHNOLOGY (ICT) EQUIPMENT INSTALLED IN DATA CENTRES AND TELECOM CENTRAL OFFICES Part 2: Plug and socket-outlet system for 5,2 kW FOREWORD 1) The International Electrotechnical Com
23、mission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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34、pecification when the required support cannot be obtained for the publication of an International Standard, despite repeated efforts, or the subject is still under technical development or where, for any other reason, there is the future but no immediate possibility of an agreement on an Internation
35、al Standard. Technical specifications are subject to review within three years of publication to decide whether they can be transformed into International Standards. IEC TS 62735-2, which is a technical specification, has been prepared by IEC technical committee 23: Electrical accessories. IEC TS 62
36、735-2:2016 IEC 2016 5 This technical specification is to be used in conjunction with IEC 62735-1:2015. The text of this technical specification is based on the following documents: Enquiry draft Report on voting 23/743/DTS 23/745A/RVC Full information on the voting for the approval of this technical
37、 specification can be found in the report on voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. This Part 2 supplements or modifies the corresponding clauses in IEC 62735-1 so as to convert that publication into the IEC technical sp
38、ecification: Direct current (DC) plugs and socket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices. Where this Part 2 states “addition“, “modification“ or “replacement“, the relevant requirement, test specification or explanat
39、ory matter in Part 1 should be adapted accordingly. Where no change is necessary, this Part 2 indicates that the relevant clause or subclause applies. In this publication: 1) The following print types are used: Requirements proper: in roman type. Test specifications: in italic type. 2) Subclauses, n
40、otes, tables or figures which are additional to those in Part 1 are numbered starting from 101 and additional list items are numbered from aa). Additional annexes are lettered AA, BB, etc. A list of all parts in the IEC 62735 series, published under the general title Direct current (DC) plugs and so
41、cket-outlets for information and communication technology (ICT) equipment installed in data centres and telecom central offices, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC websit
42、e under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be transformed into an International standard, reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date.
43、 6 IEC TS 62735-2:2016 IEC 2016 DIRECT CURRENT (DC) PLUGS AND SOCKET-OUTLETS FOR INFORMATION AND COMMUNICATION TECHNOLOGY (ICT) EQUIPMENT INSTALLED IN DATA CENTRES AND TELECOM CENTRAL OFFICES Part 2: Plug and socket-outlet system for 5,2 kW 1 Scope This clause of Part 1 is applicable except as follo
44、ws: Replacement: Replace the first paragraph with the following: This part of IEC 62735, which is a technical specification, applies to plugs and fixed socket- outlets for class I equipment with two active contacts plus an earthing contact, a rated power of 5,2 kW and a rated voltage range from 294
45、V to 400 V d.c. They are intended to power d.c. information and communication technology equipment only. The 2,6 kW system complying with Part 1 is safely compatible with the system complying with this part as it is possible to insert the 2,6 kW plug in the 5,2 kW socket-outlet but it is not possibl
46、e to insert the 5,2 kW plug into the 2,6 kW socket-outlet. Replace the third paragraph with the following: The maximum current for the plug and the socket-outlet is 13 A when the voltage between live contacts is 400 V d.c. 17,6 A when the voltage between live contacts is 294 V d.c. and can rise up t
47、o 20 A when the voltage between live contacts decreases to 260 V d.c. for 10 min maximum. Replace, in the 6 thparagraph, the second dash with: an overcurrent protection (of 17,6 A or less for each socket-outlet or multiple socket- outlet), 2 Normative references This clause of Part 1 is applicable.
48、3 Terms and definitions This clause of Part 1 is applicable except as follows: Addition: Add the following definitions: IEC TS 62735-2:2016 IEC 2016 7 3.101 retaining device mechanical arrangement which holds a plug in the normal position when it is in proper engagement, and prevents its withdrawal
49、in the case of manual interlock 3.102 interlocked plug and socket-outlet system plug and socket-outlet system, which allows plug insertion and withdrawal only when socket- outlet contacts are not energized 4 General requirements This clause of Part 1 is applicable. 5 General notes on tests This clause of Part 1 is applicable. 6 Ratings Replacement: Replace the text with the following: Accessories shall have a rated power of 5,2 kW at any voltage within the rated vo
