BS 4683-2:1971废止
Specification for electrical apparatus for explosive atmospheres. The construction and testing of flameproof enclosures of electrical apparatus
出版：British Standards Institution
专家解读视频
Prescribes constructional features for flameproof enclosures for electrical apparatus for use in flammable or explosive gases or vapours and test requirements to be met. Enclosures are grouped according to their industrial applications and to the dimensions of permitted gaps. Indicates atmospheres for which the groups are appropriate.
© British Standards Institution 2013
Amendment notes:
AMD 4275 published 30 June 1983
AMD 5570 published 30 June 1987
AMD 6430 published 30 March 1990
IEC 60079-1 Ed. 6.0 - Equivalent
