1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 50303:2000 The Euro
2、pean Standard EN 50303:2000 has the status of a British Standard ICS 29.260.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dustThis British Standard, having been
3、prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 2000 BSI 11-2000 ISBN 0 580 36533 6 BS EN 50303:2000 Amendments issued since publication Amd. No. Date Comments National foreword T
4、his British Standard is the official English language version of EN 50303:2000. The UK participation in its preparation was entrusted to Technical Committee GEL/31, Electrical apparatus for use in explosve atomspheres, which has the responsibility to: aid enquirers to understand the text; present to
5、 the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on reques
6、t to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the
7、 BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summ
8、ary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 21 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.(8523($167$1$5 (1 1250(8523e(11( (8523b,6&+(1250 -XO &(1(/(& (XURSHDQ&RPPLWWHH
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