IEC_62040-1-1.pdf

INTERNATIONALSTANDARDIEC62040-1-1First edition2002-08Uninterruptible power systems(UPS)Part 1-1:General and safety requirements for UPSused in operator access areasAlimentations sans interruption(ASI)Partie 1-1:Prescriptions gnrales et rgles de scuritpour les ASI utilises dans des locauxaccessibles aux oprateursReference numberIEC 62040-1-1:2002(E)Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(http:/www.iec.ch/searchpub/cur_fut.htm)enables you to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just PublishedThis summary of recently issued publications(http:/www.iec.ch/online_news/justpub/jp_entry.htm)is also available by email.Please contact the CustomerService Centre(see below)for further information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00INTERNATIONALSTANDARDIEC62040-1-1First edition2002-08Uninterruptible power systems(UPS)Part 1-1:General and safety requirements for UPSused in operator access areasAlimentations sans interruption(ASI)Partie 1-1:Prescriptions gnrales et rgles de scuritpour les ASI utilises dans des locauxaccessibles aux oprateurs IEC 2002 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chSFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission 2 62040-1-1 IEC:2002(E)CONTENTSFOREWORD.51Scope and specific applications.71.1Scope.71.2Specific applications.72Normative references.83Definitions.83.1General.83.2UPS electrical ratings.93.3Load types.93.4Connection to the supply.103.5Circuits and circuit characteristics.103.6Insulation.103.7Equipment mobility.103.8Insulation classes of UPS.103.9Enclosures.103.10 Accessibility.103.11 Components.103.12 Power distribution.113.13 Flammability.113.14 Miscellaneous.113.15 Telecommunication networks.114General conditions for tests.114.1Operating parameters for tests.114.2Loads for tests.124.3Components.124.4Power interfaces.124.5Marking and instructions.124.5.1General.124.5.2Power rating.134.5.3Safety instructions.134.5.4Main voltage adjustment.144.5.5Power outlets.144.5.6Fuses.144.5.7Wiring terminals.144.5.8Battery terminals.144.5.9Controls and indicators.154.5.10 Isolation of multiple power sources.154.5.11 IT power systems.154.5.12 Protection in building installation.154.5.13 High leakage current.154.5.14 Thermostats and other regulating devices.154.5.15 Language.154.5.16 Durability of markings.1562040-1-1 IEC:2002(E)3 4.5.17 Removable parts.154.5.18 Replaceable batteries.154.5.19 Operator access with a tool.164.5.20 Battery.164.5.21 Installation instructions.175Fundamental design requirements.175.1Protection against electric shock and energy hazards.175.1.1Operator access.175.1.2Access to ELV wiring.175.1.3Discharge of capacitors in the primary circuit.175.1.4Backfeed protection.185.1.5Emergency switching device.185.2Insulation.185.3Limited current circuits.185.4Provisions for protective earthing.195.4.1Protective earthing.195.4.2Bonding.195.5AC and d.c.power isolation.195.5.1Disconnect devices.195.5.2Three-phase equipment.195.5.3Switch as a disconnect.205.5.4Multiple power sources.205.5.5Ungrounded conductors.205.6Overcurrent and earth fault protection.205.6.1Basic requirements.205.6.2Battery circuit protection.215.6.3Location of protec