1、 IEC 63044-3 Edition 1.0 2017-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) Part 3: Electrical safety requirements Systmes Electroniques pour les Foyers Domestiques et les Btiments (HBES) et Systmes de Ge
2、stion Technique du Btiment (SGTB) Partie 3: Exigences de scurit lectrique IEC 63044-3:2017-01(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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20、HBES) and Building Automation and Control Systems (BACS) Part 3: Electrical safety requirements Systmes Electroniques pour les Foyers Domestiques et les Btiments (HBES) et Systmes de Gestion Technique du Btiment (SGTB) Partie 3: Exigences de scurit lectrique INTERNATIONAL ELECTROTECHNICAL COMMISSIO
21、N COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.120.01; 29.120.99 ISBN 978-2-8322-3875-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized di
22、stributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 63044-3:2017 IEC 2017 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviated terms 7 3.1 Terms and definitions 7 3.2 Abbreviated t
23、erms . 10 4 Classification of HBES/BACS network interfaces . 10 4.1 General . 10 4.2 ICT network 10 4.3 Dedicated network 10 5 Safety requirements and compliance criteria 10 6 Requirements 10 6.1 General . 10 6.2 Classification requirements of installation areas 11 6.2.1 Overvoltage category . 11 6.
24、2.2 Pollution degree 11 6.3 Electrical safety requirements . 11 6.3.1 Protection from hazards in the device 11 6.3.2 Protection from overvoltage on the network and from hazards caused by different types of circuit . 11 6.3.3 Protection from touch current . 13 6.3.4 Protection of the communication wi
25、ring from overheating . 15 6.4 Installation 15 Annex A (informative) List of product standards for electrical safety . 16 Bibliography 18 Table 1 Requirements for connection of devices to a dedicated HBES/BACS network 12 IEC 63044-3:2017 IEC 2017 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HOME AN
26、D BUILDING ELECTRONIC SYSTEMS (HBES) AND BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) Part 3: Electrical safety requirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC Nati
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37、International Standard IEC 63044-3 has been prepared by IEC technical committee 23: Electrical accessories. A list of all parts in the IEC 63044 series, published under the general title Home and Building Electronic Systems (HBES) and Building Automation Control Systems (BACS), can be found on the I
38、EC website. The text of this standard is based on the following documents: CDV Report on voting 23/735/CDV 23/747/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. 4 IEC 63044-3:2017 IEC 2017 This publication has b
39、een drafted in accordance with the ISO/IEC Directives, Part 2. In this publication, the following print types are used: Requirements proper: in roman type. Test specifications: in italic type. This document shall be used in conjunction with relevant product safety standards. The committee has decide
40、d that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended.
41、IEC 63044-3:2017 IEC 2017 5 INTRODUCTION The IEC 63044 series deals with developing and testing Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). This document deals with electrical safety requirements for HBES/BACS. This document is based on the philoso
42、phy that a device considered electrically safe according to an appropriate product safety standard should also remain safe when connected to a network. This document specifies in addition to the specific product standard the electrical safety requirements necessary in order for an HBES/BACS device c
43、onnected to a network to remain safe under normal and single-fault conditions of the HBES/BACS network and at the same time under normal and single-fault conditions of one or more HBES/BACS devices connected to the HBES/BACS network. This includes protection from overvoltages on the network, protect
44、ion from hazards caused by connection of different types of circuit, the limitation of the touch current to a network and protection of the communication wiring from overheating. The HBES/BACS network is any interconnection between HBES/BACS products. The HBES/BACS networks can be either an ICT netw
45、ork with interfaces classified according to IEC 62949 or a dedicated network classified as a mains, ELV, FELV, SELV or PELV circuit. For HBES/BACS products connected to an ICT network, the requirements in IEC 62949 apply. For HBES/BACS products connected to a dedicated HBES/BACS network, the require
46、ments for the electrical separation between the device and the network circuit are specified (see Table 1). These specifications of the electrical separations follow the principle in the basic safety publications IEC 60664-1 and IEC 61140, together with the installation requirements of IEC 60364. Th
47、e following compromises are used. According to the principles of IEC 60664-1, the rated impulse voltage for the separation shall be the higher of the impulse voltage on the network and the rated impulse voltage of the device circuit to be connected to the network. The overvoltage categories consider
48、ed by IEC 60664-1 refer to overvoltages derived directly from the mains through the power supply. The overvoltages coming from other sources (e.g. capacitive couplings) are not specified in IEC 60664-1. IEC 60664-1 recommends that technical committees specify overvoltage categories or rated impulse
49、voltages as appropriate. For the purposes of this document, the following impulse voltages have been specified. For networks with galvanic electrical separation from mains (FELV, SELV or PELV circuit), the impulse overvoltage coming from the network side of the separation has been limited to 2,5 kV for fixed installed networks and 1,5 kV for detachable networks. For ICT networks, particular requirements apply (see 6.3.2.1)
