BS EN 61241-18:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Electrical apparatus for use in the presence of combustible dust Protection by encapsulation \'mD\'
Hardcopy , PDF
English
30-11-2004
30-09-2010
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Temperature classification
4.2 Level of protection
4.3 Level of protection "maD"
4.4 Level of protection "mbD"
4.5 Supply specifications
5 Requirements for compounds
5.1 General
5.2 Specification
6 Temperatures
6.1 General
6.2 Temperature limitation
6.3 Determination of the limiting temperature values
7 Constructional requirements
7.1 General
7.2 Determination of possible faults
7.3 Switching contacts
7.4 External connections
7.5 Protection of bare live parts
7.6 Cells and batteries
7.7 Protective devices
8 Type tests
8.1 Tests on the compound - water absorption test
8.2 Tests on the apparatus
9 Routine verifications and tests
9.1 Visual inspections
9.2 Dielectric strength test
10 Marking
Annex A (informative) Basic requirements for compounds
for encapsulation "mD" apparatus
Annex B (normative) Allocation of test samples
Annex C (normative) Test procedure during thermal cycling test
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Annex ZZ (informative) Coverage of Essential Requirements of
EC Directives
Applies 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.
| Committee |
EXL/31
|
| DevelopmentNote |
Supersedes 02/202364 DC. (12/2004)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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. 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. 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.
| Standards | Relationship |
| NF EN 61241-18 : 2005 | Identical |
| IEC 61241-18:2004 | Identical |
| I.S. EN 61241-18:2004 | Identical |
| NBN EN 61241-18 : 2005 | Identical |
| EN 61241-18:2004 | Identical |
| DIN EN 61241-18 : 2005 | Identical |
| UNE-EN 61241-18:2006 | Identical |
| I.S. EN 61241-18:2004 | Equivalent |
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