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ISA 61241-18

Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations − Protection by Encapsulation “mD” - 12.10.07

Organization:
ISA - International Society of Automation
Year: 2011

Abstract: This standard is to be read in conjunction with ANSI/ISA-61241-0, the requirements of which apply to electrical apparatus protected by encapsulation and surface temperature limitation unless specifically excluded.
This standard is applicable to electrical apparatus protected by encapsulation type of protection "mD" and surface temperature limitation for use in areas where combustible dust may be present in quantities which could lead to a fire or explosion hazard. It specifies requirements for design, construction and testing of electrical apparatus, parts of electrical apparatus and Ex components where the rated voltage does not exceed 10 kV.
NOTE 1 The actual working voltage may exceed the value given above by up to 10 %.
NOTE 2 Apparatus within the scope of this standard may also be subjected to additional requirements in other standards – for example, ANSI/ISA-60079-0 ("Electrical apparatus for explosive gas atmospheres - Part 0: General requirements").
The application of electrical apparatus in atmospheres which may contain explosive gas as well as combustible dust, whether simultaneously or separately, requires additional protective measures.
This standard does not apply to dusts of explosives which do not require atmospheric oxygen for combustion, or to pyrophoric substances.
This standard is not applicable to electrical apparatus intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust. This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust.
This standard does not include other types of protection and is only applicable to protection by encapsulation.
URI: http://yse.yabesh.ir/std;jsein=author:%22NAVY%20-%20YD%20-%20Naval%20Facilities%114ngineering%20Command%22/handle/yse/77074
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    ISA 61241-18

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contributor authorISA - International Society of Automation
date accessioned2017-09-04T16:13:49Z
date available2017-09-04T16:13:49Z
date copyright01/01/2006 (R 2011)
date issued2011
identifier otherSSOENEAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std;jsein=author:%22NAVY%20-%20YD%20-%20Naval%20Facilities%114ngineering%20Command%22/handle/yse/77074
description abstractThis standard is to be read in conjunction with ANSI/ISA-61241-0, the requirements of which apply to electrical apparatus protected by encapsulation and surface temperature limitation unless specifically excluded.
This standard is applicable to electrical apparatus protected by encapsulation type of protection "mD" and surface temperature limitation for use in areas where combustible dust may be present in quantities which could lead to a fire or explosion hazard. It specifies requirements for design, construction and testing of electrical apparatus, parts of electrical apparatus and Ex components where the rated voltage does not exceed 10 kV.
NOTE 1 The actual working voltage may exceed the value given above by up to 10 %.
NOTE 2 Apparatus within the scope of this standard may also be subjected to additional requirements in other standards – for example, ANSI/ISA-60079-0 ("Electrical apparatus for explosive gas atmospheres - Part 0: General requirements").
The application of electrical apparatus in atmospheres which may contain explosive gas as well as combustible dust, whether simultaneously or separately, requires additional protective measures.
This standard does not apply to dusts of explosives which do not require atmospheric oxygen for combustion, or to pyrophoric substances.
This standard is not applicable to electrical apparatus intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust. This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust.
This standard does not include other types of protection and is only applicable to protection by encapsulation.
languageEnglish
titleISA 61241-18num
titleElectrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations − Protection by Encapsulation “mD” - 12.10.07en
typestandard
page46
statusActive
treeISA - International Society of Automation:;2011
contenttypefulltext
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