NF EN 50020 : 2004

Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'

Available format(s):

Superseded date: 09-06-2012

Language(s):

Published date: 12-01-2013

Publisher: Association Francaise de Normalisation

Table of Contents - (Show below) - (Hide below)

1 Domaine d'application
2 Références normatives
3 Définitions
4 Groupement et classification du matériel de sécurité
   intrinsèque et du matériel associé
5 Niveaux de protection du matériel électrique de sécurité
   intrinsèque
6 Construction des matériels
7 Composants dont dépend la sécurité intrinsèque
8 Composants infaillibles et ensembles infaillibles de
   composants et connexions infaillibles
9 Barrières de sécurité à diodes
10 Vérifications de type et épreuves de type
11 Vérifications et épreuves individuelles
12 Marquage
13 Documentation
Annexe A (normative) Evaluation des circuits de sécurité
                       intrinsèque
Annexe B (normative) Eclateur pour l'épreuve des circuits
                       de sécurité intrinsèque
Annexe C (informative) Mesure des lignes de fuite, distances
                       dans l'air et distances de séparation
                       au travers d'un enrobage ou d'un
                       isolant solide
Annexe D (normative) Encapsulage
Annexe E (normative) Règles de certification pour les torches

Abstract - (Show below) - (Hide below)

Specifies the construction and testing of intrinsically safe apparatus, meant for use in potentially explosive atmospheres and for associated apparatus, which is meant for connection to intrinsically safe circuits which enter such atmospheres. Coverage includes: documentation, marking, and diode safety barriers. Also gives detailed definitions and annexes.

General Product Information - (Show below) - (Hide below)

Development Note	Indice de classement: C23-520. PR NF EN 50020 June 2003. (06/2003) Supersedes NFC 23 520. (05/2004)
Document Type	Standard
ISBN
Pages
Published
Publisher	Association Francaise de Normalisation
Status	Superseded
Superseded By	NF EN 60079-11 : 2012
Supersedes	NFC 23 520 : 98 PR

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
BS EN 50020:2002	Identical
I.S. EN 50020:2002	Identical
SN EN 50020 : 2002	Identical
NEN EN 50020 : 2002	Identical
NBN EN 50020 : 2003	Identical
UNE-EN 50020:2003	Identical
DIN EN 50020 : 2003	Identical
EN 50020:2002	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

NF EN 50381 : 2004	TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE
NF EN 50017 : 1999	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - POWDER FILLING 'Q'
NF EN 60947-5-6 : 2000	LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-6: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - DC INTERFACE FOR PROXIMITY SENSORS AND SWITCHING AMPLIFIERS (NAMUR)
NF EN 14593-1 : 2005	RESPIRATORY PROTECTIVE DEVICES - COMPRESSED AIR LINE BREATHING APPARATUS WITH DEMAND VALVE - PART 1: APPARATUS WITH A FULL FACE MASK - REQUIREMENTS, TESTING, MARKING
NF EN 50016 : 2004	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS 'P'
NF EN 50015 : 1999	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - OIL IMMERSION 'O'
NF EN 12261 : 2002 AMD 1 2006	GAS METERS - TURBINE GAS METERS
NF EN 50394-1 : 2004	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP I - INTRINSICALLY SAFE SYSTEMS - PART 1: CONSTRUCTION AND TESTING

Standards Referencing This Book - (Show below) - (Hide below)

IEC 60112:2003+AMD1:2009 CSV	Method for the determination of the proof and the comparative tracking indices of solid insulating materials
NF EN 60127-2 : 2015	MINIATURE FUSES - PART 2: CARTRIDGE FUSE-LINKS
NF EN 50284 : 2000	SPECIAL REQUIREMENTS FOR CONSTRUCTION, TEST AND MARKING OF ELECTRICAL APPARATUS OF EQUIPMENT GROUP 2, CATEGORY 1G
NF EN 60317-3 : 95 AMD 1 2001	SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 3: POLYESTER ENAMELLED ROUND COPPER WIRE, CLASS 155
IEC 60127-3:2015	Miniature fuses - Part 3: Sub-miniature fuse-links
IEC 60317-3:2004+AMD1:2010 CSV	Specifications for particular types of winding wires - Part 3: Polyester enamelled round copper wire, class 155
IEC 60317-7:1990+AMD1:1997+AMD2:1997 CSV	Specifications for particular types of winding wires - Part 7: Polyimide enamelled round copper wire, class 220
HD 214 : 200S2	RECOMMENDED METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS
NF EN 60127-3 : 2015	MINIATURE FUSES - PART 3: SUB-MINIATURE FUSE-LINKS
NF EN 50303 : 2000	GROUP I, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
IEC 60317-8:2010	Specifications for particular types of winding wires - Part 8: Polyesterimide enamelled round copper wire, class 180
IEC 60127-1:2006+AMD1:2011+AMD2:2015 CSV	Miniature fuses - Part 1: Definitions for miniature fuses andgeneral requirements for miniature fuse-links
NF EN 60529 : 92 AMD 2 2014	DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE)
NFC 23 539 : 1981	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSICALLY SAFE ELECTRICAL SYSTEMS "I"
IEC 60127-2:2014	Miniature fuses - Part 2: Cartridge fuse-links
IEC 60085:2007	Electrical insulation - Thermal evaluation and designation
NF EN 50019 : 1996	MATERIEL ELECTRIQUE POUR ATMOSPHERES EXPLOSIBLES - SECURITE AUGMENTEE "E"
NFC 26 206 : 1985	THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
HD 566 : 200S1	THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV	Degrees of protection provided by enclosures (IP Code)
NF EN 60317-8 : 2011	SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 8: POLYESTERIMIDE ENAMELLED ROUND COPPER WIRE, CLASS 180
NF EN 60317-7 : 95 AMD 2 2002	SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 7: POLYAMIDE ENAMELLED ROUND COPPER WIRE, CLASS 220
NF EN 50014 : 1999 AMD 2 2004	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
NF EN 60127-1 : 2006 AMD 2 2015	MINIATURE FUSES - PART 1: DEFINITIONS FOR MINIATURE FUSES AND GENERAL REQUIREMENTS FOR MINIATURE FUSE-LINKS
EN 50014:1997/A2:1999	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS

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