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NF EN 50303 : 2000

Current
Current

The latest, up-to-date edition.

GROUP I, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
Published date

01-12-2013

Avant-propos
Introduction
1 Domaine d'application
2 Références normatives
3 Définitions
4 Généralités
5 Appareils de la catégorie M1 ayant le niveau requis de
   protection en cas de deux défauts se produisant
   indépendamment l'un de l'autre
6 Appareils de la catégorie M1 ayant le niveau requis de
   protection en utilisant un deuxième moyen indépendant
   de protection
7 Prescriptions pour les détecteurs de gaz inflammables
   de la catégorie M1 avec des têtes de détection par
   fils chauds ou par pellistors
8 Prescriptions pour les systèmes de catégorie M1
9 Essais de type
10 Prescriptions de marquage
11 Instructions

Gives the design, construction, testing and marking requirements for Group I, Category M1 equipment intended to remain functional in underground parts of mines, as well as those parts of surface installations such as mines endangered by firedamp and/or coal dust clouds under normal atmospheric conditions of pressures ranging from 0,8 bar to 1,1 bar and temperatrues ranging from -20 deg. C to +60 deg. C.

DevelopmentNote
Indice de classement: C23-503 Supersedes NFC 23 503 (09/2005)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current
Supersedes

Standards Relationship
BS EN 50303:2000 Identical
NBN EN 50303 : 2001 Identical
I.S. EN 50303:2001 Identical
SN EN 50303 : 2000 Identical
EN 50303:2000 Identical
NEN EN 50303 : 2000 Identical
UNE-EN 50303:2001 Identical
DIN EN 50303 : 2001-05 Identical

NF EN 50020 : 2004 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'
NF EN 50394-1 : 2004 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP I - INTRINSICALLY SAFE SYSTEMS - PART 1: CONSTRUCTION AND TESTING

EN 62013-1:2006 Caplights for use in mines susceptible to firedamp - Part 1: General requirements - Construction and testing in relation to the risk of explosion
EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
EN 13463-1:2009 Non-electrical equipment for use in potentially explosive atmospheres - Part 1: Basic method and requirements
EN 50017:1998 Electrical apparatus for potentially explosive atmospheres - Powder filling "q"
EN 50019:2000/corrigendum Apr. 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
EN 50018 : 2000 AMD 1 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
NF EN 60529 : 92 AMD 2 2014 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE)
EN 13463-5:2011 Non-electrical equipment intended for use in potentially explosive atmospheres - Part 5: Protection by constructional safety 'c'
EN 13463-3:2005 Non-electrical equipment for use in potentially explosive atmospheres - Part 3: Protection by flameproof enclosure 'd'
EN 50016:2002 Electrical apparatus for potentially explosive atmospheres - Pressurized apparatus "p"
EN 50028:1987 Electrical apparatus for potentially explosive atmospheres - Encapsulation 'm'
EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS

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