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BS EN 50394-1:2004

Current

Current

The latest, up-to-date edition.

Electrical apparatus for potentially explosive atmospheres. Group I. Intrinsically safe systems Construction and testing

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-05-2004

Introduction
1 Scope
2 Normative references
3 Definitions
4 Categories of intrinsically safe electrical systems
   (in accordance with EN 50014)
5 Interconnecting wiring/cables used in an intrinsically
   safe electrical system
6 Accessories for intrinsically safe electrical systems
7 Type tests and assessment
8 Marking of intrinsically safe electrical systems
9 Descriptive system document
10 Instructions
Annex A (normative) - Requirements for cables
Annex B (informative) - Typical descriptive system drawing
Annex C (normative) - Assessment of a simple intrinsically
                        safe system
Annex D (normative) - Assessment of circuits with more than
                        one linear source of power
Annex E (normative) - Trapezoidal power supplies
Annex F (normative) - Non-linear power supplies
Annex G (normative) - Verification of inductive parameters

Includes requirements for construction and testing of Group I intrinsically safe electrical systems intended for use, as a whole or in part, in atmospheres susceptible to firedamp.

Committee
EXL/31/2
DevelopmentNote
Supersedes 03/300203 DC (05/2004)
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
UNE-EN 50394-1:2005 Identical
EN 50394-1:2004 Identical
NEN EN 50394-1 : 2004 Identical
I.S. EN 50394-1:2004 Identical
NBN EN 50394-1 : 2005 Identical
DIN EN 50394-1 : 2004 Identical
NF EN 50394-1 : 2004 Identical

EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
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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