ANSI UL 2743-2018 UL Standard for Safety Portable Power Packs (Second Edition).pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL ANSI/CAN/UL 2743, Portable Power Packs STANDARD FOR SAFETY JOINT CANADA-UNITED STATES NATIONAL STANDARD ANSI/UL 2743-2018UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTR
2、IBUTION WITHOUT PERMISSION FROM UL SCC FOREWORD National Standard of Canada A National Standard of Canada is a standard developed by a Standards Council of Canada (SCC) accredited Standards Development Organization, in compliance with requirements and guidance set out by SCC. More information on Nat
3、ional Standards of Canada can be found at www.scc.ca. SCC is a Crown corporation within the portfolio of Innovation, Science and Economic Development (ISED) Canada. With the goal of enhancing Canadas economic competitiveness and social well-being, SCC leads and facilitates the development and use of
4、 national and international standards. SCC also coordinates Canadian participation in standards development, and identies strategies to advance Canadian standardization efforts. Accreditation services are provided by SCC to various customers, including product certiers, testing laboratories, and sta
5、ndards development organizations. A list of SCC programs and accredited bodies is publicly available at www.scc.ca.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Portable Power Packs, UL 2743 Second Edition, Dated
6、 July 3, 2018 Summary of Topics This Second edition of the Standard for Portable Power Packs, UL 2743, has been issued to incorporate updates to the Standard for use in Canada. The revised requirements are substantially in accordance with Proposal(s) on this subject dated October 6, 2017 and Februar
7、y 16, 2018. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any
8、kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any othe
9、r damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the clai
10、m. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing
11、 an electronic Standard on the purchasers computer system. JULY 3, 2018 UL 2743 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 3, 2018 UL 2743 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O
12、R DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 3, 2018 1 UL 2743 Standard for Portable Power Packs First Edition October, 2016 Second Edition July 3, 2018 This ANSI/CAN/UL Standard for Safety consists of the Second Edition. The most recent designation of ANSI/UL 2743 as an American National Standard
13、 (ANSI) occurred on July 2, 2018. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, Preface, or SCC Foreword. This standard has been approved as a National Standard of Canada (NSC) by the Standards Council of Canada (SCC). COPYRIGHT 2018 UNDERWRITERS LABORA
14、TORIES INC. ANSI/UL 2743-2018UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JULY 3, 2018 PORTABLE POWER PACKS - UL 2743 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION
15、 FROM UL CONTENTS Preface 6 INTRODUCTION 1 Scope .8 2 Units of Measurement .8 3 Components 9 4 Referenced Publications .9 5 Glossary 12 CONSTRUCTION 6 General .15 7 Frame and Enclosure 16 7.1 General 16 7.2 Metallic enclosures 16 7.3 Nonmetallic enclosures .18 7.4 Openings in enclosures 19 7.5 Envir
16、onmental considerations .21 8 Flammability of Materials .22 9 Assembly .22 10 Corrosion Protection 23 11 Supply Connections .25 11.1 General .25 11.2 Flexible cord connection 25 11.3 External power supplies .27 11.4 Vehicle adapters .27 11.5 Photovoltaic panels .28 12 Output Connections .28 12.1 Gen
17、eral .28 12.2 Booster cable assemblies .28 12.3 Receptacles .30 12.4 DC output connectors and USB connectors .30 12.5 Vehicle adapter sockets .31 13 Grounding .31 13.1 General .31 13.2 Grounding identication .33 14 Double Insulated Products .33 15 Current Carrying Parts 33 16 Internal Wiring 34 16.1
18、 Mechanical protection .34 16.2 Wiring insulation .34 16.3 Splices and connections 34 17 Separation of Circuits .35 18 Insulating Materials .35 19 Compressors .36 19.1 General .36 19.2 Motors and thermal protection .36 19.3 Parts subject to pressure 37 20 Capacitors and Electrochemical Capacitor Mod
19、ules .37 JULY 3, 2018 PORTABLE POWER PACKS - UL 2743 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 20.1 Capacitors .37 20.2 Electrochemical capacitor modules .37 21 Resistors 38 22 Lampholders .38 23 Transformers .38 24 Switches and Contr
20、ols .39 25 Printed-Wiring Boards .39 26 Interlocks 40 27 Overload Protection Devices .41 28 Internal Battery .41 28.1 General .41 28.2 Lead acid batteries .42 28.3 Lithium-ion batteries 42 29 Spacings 43 30 Inverters .45 31 Charging Functions .45 PROTECTION AGAINST INJURY TO PERSONS 32 General 45 33
21、 Back Feed Protection .46 34 Sharp Edges .46 35 Strength of Enclosure .46 36 Attachments 46 37 Stability 46 38 Strength of Handles .46 39 Surface Temperatures .46 40 Safety Circuits and Control Circuits .47 PERFORMANCE 41 General 47 42 Power Input Test .48 43 Normal Charging Operation Test .48 44 Li
22、thium Charging System Test 49 45 Capacitor Discharge Test 51 46 Leakage Current Test .51 47 Normal Temperature Test 54 47.1 General .54 47.2 Maximum normal load 56 47.3 Power pack ampacity temperature test 57 48 Dielectric Voltage Withstand Test .58 49 Leakage Current Following Humidity Conditioning
23、 58 50 Abnormal Operation Tests .59 50.1 General .59 50.2 Output short test .60 50.3 Reverse polarity of booster cables 60 50.4 Component faults 60 50.5 Relay and solenoid burnout 61 50.6 Printed-wiring board abnormal test .61 50.7 Disconnected fan test .61 50.8 Blocked ventilation test .62 50.9 Ove
24、rcharging test 62 JULY 3, 2018 PORTABLE POWER PACKS - UL 2743 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 50.10 Internal battery reverse polarity test .62 51 Vibration Test 62 52 Ground Continuity 63 53 Overload Tests .63 53.1 General .
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