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I.S. EN 50020:2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY "I"
Available format(s)

Hardcopy , PDF

Superseded date

03-02-2007

Language(s)

English

Published date

01-01-2002

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

1. Scope
2. Normative references
3. Definitions
4. Grouping and classification of intrinsically safe
     apparatus and associated apparatus
5. Intrinsically safe levels of protection of electrical
     apparatus
6. Apparatus construction
7. Components on which intrinsic safety depends
8. Infallible components, infallible assemblies of
     components and infallible connections
9. Diode safety barriers
10. Type verifications and type tests
11. Routine verifications and tests
12. Marking
13. Documentation
Annex A (normative) Assessment of intrinsically safe circuits
Annex B (normative) Spark test apparatus for intrinsically safe
        circuits
Annex C (informative) Measurement of creepage distances,
        clearances and separation distances through casting
        compound and through solid insulation
Annex D (normative) Encapsulation
Annex E (normative) Certification requirements for torches

Contains the specific requirements for the construction and testing of intrinsic safety electrical apparatus, type of protection "i", intended for use in potentially explosive atmospheres.

DevelopmentNote
To be read in conjunction with I.S. EN 50014: 1993 (02/2002)
DocumentType
Standard
Pages
94
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
BS EN 50020:2002 Identical
NBN EN 50020 : 2003 Identical
SN EN 50020 : 2002 Identical
UNE-EN 50020:2003 Identical
DIN EN 50020 : 2003 Identical
NF EN 50020 : 2004 Identical
NEN EN 50020 : 2002 Identical
EN 50020:2002 Identical

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EN 50019:2000/corrigendum Apr. 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
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EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust

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