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BS 1259

58th Edition, February 24, 1958

Complete Document

Intrinsically Safe Electrical Apparatus and Circuits - For Use in Explosive Atmospheres

Includes all amendments and changes through Amendment 4, March 1981


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Superseded By: BS EN 50020

EN
Additional Comments:
W/D S/S BY BS EN 50020
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Product Details:

  • Revision: 58th Edition, February 24, 1958
  • Published Date: March 1981
  • Status: Superseded By:
  • Superseded By: BS EN 50020
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 14
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Defines 'intrinsically safe'. Dangerous industrial gases and vapours, for which certificates of intrinsic safety may be obtained, are listed and classified. Principles of and tests for intrinsic safety appended. (See also BS 5501-7, identical to EN 50020, referred to in EEC Directives, and BS 5501-9, identical to EN 50039).