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About This Item


Full Description

This standard part of IEC 60079 specifies the requirements for the construction and testing of oilimmersed electrical equipment, oil-immersed parts of electrical equipment and Ex components in the type of protection oil immersion "o", intended for use in explosive gas atmospheres.

NOTE Type of protection oil immersion "o" provides equipment protection level (EPL) Gb. For further information, see Annex A.

This standard supplements and modifies the general requirements of ANSI/ISA-60079-0 IEC 60079-0. Where a requirement of this standard conflicts with a requirement of ANSI/ISA- 60079-0 IEC 60079-0, the requirement of this standard takes precedence.

This standard is applicable to electrical equipment, parts of electrical equipment, and Ex components which, in the absence of oil immersion, are not ignition capable in normal operation as determined by ANSI/ISA-60079-15 IEC 60079-15 or ANSI/ISA-60079-11 IEC 60079-11.

Document History

  1. ISA 60079-6 (12.00.05)-2009


    Explosive Atmospheres – Part 6: Equipment Protection by Oil Immersion “o”

    • Most Recent
  2. ISA 12.26.01-1998

    Electrical Apparatus for Use in Class I, Zone 1 Hazardous (Classified) Locations: Type of Protection - Oil-Immersion 'o' (IEC 60079-6 Mod)

    • Historical Version