JIS-C-8328-2003-ENG.pdf
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1、J IS JAPANESE I NDUSTRIAL STANDARD Translated and Published by Japanese Standards Association (JEWA/JSA) Low voltage panelboards for household use ICs 29.130.20; 91.140.50 Reference number : JIS C 8328 : 2003 (E) PROTECTED BY COPYRIGHT 14 S Copyright Japanese Standards Association Provided by IHS un
2、der license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:31:28 MDTNo reproduction or networking permitted without license from IHS -,-,- C 8328 : 2003 Foreword This translation has been made based on the original Japanese Industrial Standard revised by t
3、he Minister of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee, as the result of proposal for revision of Japanese Industrial Standard submitted by the Japan Electrical Wiring Devices and Equipment Industries Association (JEWA)/the Japanese Standards
4、Association (JSA) with the draft being attached, based on the provision of Article 12 Clause 1 of the Industrial Standardization Law applicable to the case of revision by the provision of Article 14. Consequently JIS C 8328 : 1995 is replaced with this Standard. Attention is drawn to the possibility
5、 that some parts of this Standard may conflict with a patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Minister and the Japanese Industria
6、l Standards Committee are not responsible for identifying the patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have the said technical properties. Date of Establishment: 1978-11-
7、01 Date of Revision: 2003-05-20 Date of Public Notice in Official Gazette: 2003-05-20 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Electricity Technology JIS C 8328 : 2003, First English edition published in 2003-10 Translated and published by: Japa
8、nese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in a
9、ny form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wi
10、ng, Bernie Not for Resale, 03/15/2007 19:31:28 MDTNo reproduction or networking permitted without license from IHS -,-,- C 8328 : 2003 Contents 1 2 3 4 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8 . 9 Page Scope 1 Normative references 1 Definitions 1 Standard service
11、 conditions . 3 Classification 3 4 Rating and number of branch circuits Performance Temperature rise . Insulation resistance . Dielectric withstand voltage Resistance to heat . Cover retention force Mechanical strength of cabinet . Strength of terminal part Flame retardance . Opening and closing per
12、formances of door . Construction, dimensions and materials . Construction in general Main switch and branch switch Mounting part of current limiter Bus bar and branch conductor Joints of conductors External wiring terminal . Prevention of contact with live part Insulation distance Earth terminal . 5
13、 5 5 5 5 5 5 5 5 6 6 6 6 7 7 9 10 10 11 11 8.10 Branch conductor earth terminal . 11 8.11 Operating part for switching . 12 PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15
14、/2007 19:31:28 MDTNo reproduction or networking permitted without license from IHS -,-,- C 8328 : 2003 8.12 8.13 8.14 8.15 8.16 8.17 8.18 8.19 8.20 8.21 9 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 Measures for insulation resistance measurement . Metallic cabinet Cabinet of synthetic resin Intermediate bas
15、e Metallic base plate Gutter Wiring hole . Indication of branch circuits . Indication of 200 V circuit . Materials . Test methods Test place Construction test . Temperature rise test . Insulation resistance test . Dielectric withstand voltage test Heat resistance test Cover retention force test Stre
16、ngth test of cabinet Strength test of terminal part 9.10 Flame retardance test of cabinet 9.11 Opening and closing test of door 10 Inspection 10.1 Type inspection 10.2 Acceptance inspection . 11 Designation of product . 12 Marking . 12 12 13 13 13 13 16 16 16 16 16 16 16 16 17 17 17 18 18 18 18 19 1
17、9 19 19 19 20 (ii) PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 19:31:28 MDTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTR
18、IAL STANDARD JIS C 8328 : 2003 Low voltage panelboards for household use 1 Scope This Japanese Industrial Standard specifies low voltage panelboards for household use (hereafter referred to as “household panelboards”) with the rated cur- rent not exceeding 150 A intended for use in houses or the lik
19、e, as the entrance ser- vice apparatus for electric circuit of 100 V a.c. single phase two-wire system or 100/ 200 V a.c. single-phase three-wire system at a frequency 50 Hz or 60 Hz. Remarks 1 The above-mentioned “houses or the like” includes shop, office, etc. in addition to houses. 2 Panelboards
20、of such special construction as waterproof type and ex- plosion-proof type are excluded. 2 Normative references The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. The most recent editions of the standards (including amendment
21、s) indicated below shall be applied. JIS C 3307 600 V Polyvinyl chloride insulated wires JIS C 3317 600 V Grade heat-resistant polyvinyl chloride insulated wires JIS C 8306 Testing methods for wiring devices JIS C 8370 Molded case circuit breakers (MCCB) JIS C 8371 Residual current operated circuit
22、breakers JIS C 8480 Box-type switchgear assemblies for low-voltage distribution purpose JIS Z 8703 Standard atmospheric conditions for testing 3 Definitions given in JIS C 8480, the following principal definitions apply: For the purposes of this Standard, in addition to the definitions panelboard fo
23、r household use (household panelboard) A cabinet in which the whole or a part of the main switch, branch switches, residual current oper- ated circuit breaker, etc. (hereafter referred to as “internal apparatus”) are as- sembled. There are two kinds in household panelboards, i.e. one provides and th
24、e other does not provide set up space of current limiter (hereafter referred to as uL-space7). rated current of household panelboard The current marked on a house- hold panelboard (it means the current which can be passed continuously with the temperature rise of bus bar not exceeding the specified
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