IEC_TS_61200-101-2018.pdf

IEC TS 61200-101 Edition 1.0 2018-11 TECHNICAL SPECIFICATION Electrical installation guide Part 101:Application guidelines on extra-low-voltage direct current electrical installations not intended to be connected to a public distribution network IEC TS 61200-101:2018-11(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2018 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb infoiec.ch CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/catalogue The stand-alone application for consulting the entire bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.Available for PC,Mac OS,Android Tablets and iPad.IEC publications search-webstore.iec.ch/advsearchform The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing 21 000 terms and definitions in English and French,with equivalent terms in 16 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 67 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:salesiec.ch.IEC TS 61200-101 Edition 1.0 2018-11 TECHNICAL SPECIFICATION Electrical installation guide Part 101:Application guidelines on extra-low-voltage direct current electrical installations not intended to be connected to a public distribution network INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 91.140.50 ISBN 978-2-8322-6254-2 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TS 61200-101:2018 IEC 2018 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.7 4 Concept of an electrical installation.8 5 DC supplies.9 6 Loads.9 6.1 Preferred nominal voltages.9 6.2 Minimum and maximum voltage values.10 7 Wiring systems.10 7.1 Type of wiring system.10 7.2 Identification of conductors and terminals.11 7.3 Cross-sectional areas of conductors.11 7.4 Selection of conductors.11 7.4.1 12 V nominal voltage.11 7.4.2 24 V nominal voltage.11 7.4.3 36 V nominal voltage.12 7.4.4 48 V nominal voltage.12 8 Protection against electric shock.13 8.1 General.13 8.2 Provision for basic protection.13 8.3 Provision for fault protection.13 8.4 Protection by safety extra-low voltage system(SELV system).13 9 Protection against overcurrent.13 10 Arcing.14 11 Example of a typical architecture.14 Annex A(informative)Voltage drop limits for extra-low-voltage installations.15 A.1 Voltage drop limits in consumers installations.15 A.2 Estimation of voltage drop.15 Annex B(informative)Example of an installation for energy access using the SELV system as protective measure against electric shock.16 Bibliography.17 Figure 1 Concept of a low voltage electrical installation.9 Figure 2 Colour identification of conductors in DC circuits.11 Figure B.1 Example of an installation for energy access using SELV system as protective measure against electric shock.16 Table 1 Preferred voltages for equipment.10 Table 2 Maximum length with respect to maximum voltage drop(12 V nominal voltage).11 Table 3 Maximum length with respect to maximum voltage drop(24 V nominal voltage).12 IEC T