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IEC 61241-11

Electrical apparatus for use in the presence of combustible dust – Part 11: Protection by intrinsic safety 'iD'

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Organization: IEC
Publication Date: 1 October 2005
Status: inactive
Page Count: 42
ICS Code (Electrical apparatus for explosive atmospheres): 29.260.20
scope:

This part of IEC 61241 specifies requirements for the construction and testing of intrinsically safe apparatus intended for use in potentially explosive dust cloud or dust layer environments and for associated apparatus that is intended for connection to intrinsically safe circuits which enter such environments.

This standard supplements the general requirements of IEC 61241-0: except as indicated in the following list.

Apparatus utilized in systems will meet the requirements of IEC 60079-25.

If associated apparatus is protected by a type of protection listed in IEC 61241-0 or IEC 60079-0 then the requirements of that method of protection together with the relevant parts of IEC 61241 or IEC 60079 also apply to the associated apparatus. The list of exclusions which follows is directly applicable to associated apparatus intended for use in situations where there is no potentially hazardous atmosphere and in other circumstances should be used in combination with the requirements of the other methods of protection.

This part of IEC 61241 is applicable to electrical apparatus in which the electrical circuits themselves are incapable of causing an explosion in the surrounding combustible dust environment. In other circumstances, associated apparatus should be used in combination with the requirements of the other methods of protection listed in IEC 61241-0.

Document History

February 1, 2006
Electrical apparatus for use in the presence of combustible dust – Part 11:Protection by intrinsic safety “iD” CORRIGENDUM 1
This part of IEC 61241 specifies requirements for the construction and testing of intrinsically safe apparatus intended for use in potentially explosive dust cloud or dust layer environments and for...
IEC 61241-11
October 1, 2005
Electrical apparatus for use in the presence of combustible dust – Part 11: Protection by intrinsic safety 'iD'
This part of IEC 61241 specifies requirements for the construction and testing of intrinsically safe apparatus intended for use in potentially explosive dust cloud or dust layer environments and for...

References

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