CEI EN 50394-1 : 2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP 1 - INSTRINSICALLY SAFE SYSTEMS - PARTE 1: COSTRUZIONI E PROVE
Hardcopy , PDF
01-07-2020
English - Italian
01-01-2005
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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
Describes the requirements for construction and testing of GROUP 1 intrinsically safe electrical systems intended for use, as a whole or in part, in atmospheres susceptible to firedamp.
| Committee |
CT 31
|
| DevelopmentNote |
Classificazione CEI 31-60. (01/2006)
|
| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Withdrawn
|
| Standards | Relationship |
| EN 50394-1:2004 | Identical |
| EN 50020:2002 | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' |
| CEI 31-9 : 1ED 1978 | |
| 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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