EN 50021 : 99 COR 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - TYPE OF PROTECTION "N"
01-09-2003
12-01-2013
Foreword
Section One: General
1 Scope
2 Normative references
3 Definitions
4 General requirements
Section Two: Requirements for all electrical apparatus
5 General
6 Construction
7 Connection facilities and wiring
8 Clearances, creepage distances and separations
9 Electric strength
Section Three: Supplementary requirements for non-sparking
apparatus
10 Rotating machines
11 Fuses and fuse assemblies
12 Luminaires
13 Instruments and low-power apparatus
14 Current transformers
15 Plugs and sockets
16 Cells and batteries
Section Four: Supplementary requirements for apparatus
producing arcs, sparks or hot surfaces
17 General
18 Enclosed-break devices and non-incendive components
19 Hermetically sealed device
20 Sealed device or encapsulated device
21 Energy-limited apparatus and circuits
22 Restricted-breathing enclosures
23 Simplified pressurization
Section Five: Verification and testing
24 General
25 Documents
26 Type tests
27 Routine verifications and tests
Section Six: Marking and documentation
28 Marking
29 Documentation
30 Manufacturer's responsibility
Annex A (normative) Assessment of energy-limited
apparatus and circuits by reference curves and tables
Defines requirements for construction, testing and marking of Group II electrical apparatus with type of protection "n", meant to be used solely in areas where explosive atmospheres of gas, vapour and mist are not likely to occur, or if they do, only infrequently or for a short time.
| Committee |
SC 31-5
|
| DevelopmentNote |
BS 4533:Section 102.51:1986 is proposed to be withdrawn on 30 June 2003, since BS 4533:Section 102.51:1986 conflicts with this EN standard. (03/2001) To be read in conjunction with EN 50014 (04/2001)
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| SN EN 50021 : 1999 | Identical |
| I.S. EN 50021:2001 | Identical |
| CEI EN 50021 : 2ED 2000 | Identical |
| DIN EN 50021 : 2000 | Identical |
| BS EN 50021:1999 | Identical |
| NBN EN 50021 : 1ED 2000 | Identical |
| NEN EN 50021 : 99 C1 2000 | Identical |
| NF EN 50021 : 2000 | Identical |
| UNE-EN 50021:2000 | Identical |
| VDE 0170-16 : 2011 | Identical |
| PN EN 50021 : 2002 | Identical |
| IEEE 303-2004 | IEEE Recommended Practice for Auxiliary Devices for Rotating Electrical Machines in Class I, Division 2 and Zone 2 Locations |
| 03/107320 DC : DRAFT APR 2003 | EN 14678-1 - LPG EQUIPMENT AND ACCESSORIES - CONSTRUCTION AND PERFORMANCE OF LPG EQUIPMENT FOR AUTOMOTIVE FILLING STATIONS - PART 1: DISPENSERS |
| 10/30227671 DC : 0 | BS EN 14678-1 - LPG EQUIPMENT AND ACCESSORIES - CONSTRUCTION AND PERFORMANCE OF LPG EQUIPMENT FOR AUTOMOTIVE FILLING STATIONS - PART 1: DISPENSERS |
| EN 50381 : 2004 COR 2005 | TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE |
| UNI EN ISO 8230-3 : 2009 | SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS |
| CSA PLUS 2203 : 2001 | HAZARDOUS LOCATIONS - GUIDE FOR THE DESIGN, TESTING, CONSTRUCTION, AND INSTALLATION OF EQUIPMENT IN EXPLOSIVE ATMOSPHERES |
| BS EN 50381:2004 | Transportable ventilated rooms with or without an internal source of release |
| DIN EN 13636:2004-10 | Cathodic protection of buried metallic tanks and related piping; German version EN 13636:2004 |
| DIN EN ISO 8230-3:2009-05 | SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS |
| CEI EN 50381 : 2006 | TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE |
| EEMUA 186 : 2016 | A PRACTITIONER'S HANDBOOK FOR POTENTIALLY EXPLOSIVE ATMOSPHERES |
| PREN 14678-1 : DRAFT 2010 | LPG EQUIPMENT AND ACCESSORIES - CONSTRUCTION AND PERFORMANCE OF LPG EQUIPMENT FOR AUTOMOTIVE FILLING STATIONS - PART 1: DISPENSERS |
| I.S. EN 50381:2004 | TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE |
| DD ENV 14236:2002 | Ultrasonic domestic gas meters |
| ISO 8230-3:2008 | Safety requirements for dry-cleaning machines Part 3: Machines using combustible solvents |
| BS EN 13636:2004 | Cathodic protection of buried metallic tanks and related piping |
| EN ISO 8230-3:2008 | Safety requirements for dry-cleaning machines - Part 3: Machines using combustible solvents (ISO 8230-3:2008) |
| EN 13636:2004 | Cathodic protection of buried metallic tanks and related piping |
| BS EN ISO 8230-3:2008 | Safety requirements for dry-cleaning machines Machines using combustible solvents |
| I.S. EN ISO 8230-3:2008 | SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS |
| IEC 60112:2003+AMD1:2009 CSV | Method for the determination of the proof and the comparative tracking indices of solid insulating materials |
| EN 60068-2-75:2014 | Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests |
| EN 60924:1991/A1:1994 | SPECIFICATION FOR GENERAL AND SAFETY REQUIREMENTS FOR D.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS |
| EN 61048:2006/A1:2016 | AUXILIARIES FOR LAMPS - CAPACITORS FOR USE IN TUBULAR FLUORESCENT AND OTHER DISCHARGE LAMP CIRCUITS - GENERAL AND SAFETY REQUIREMENTS (IEC 61048:2006/A1:2015) |
| HD 214 : 200S2 | RECOMMENDED METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS |
| EN 60238 : 2004 AMD 2 2011 | EDISON SCREW LAMPHOLDERS (IEC 60238:2004/A2:2011) |
| EN 60034-1:2010/corrigendum Oct. 2010 | ROTATING ELECTRICAL MACHINES - PART 1: RATING AND PERFORMANCE |
| EN 60920:1991/A11:2000 | BALLAST FOR TUBULAR FLUORESCENT LAMPS - GENERAL AND SAFETY REQUIREMENTS |
| EN 50020:2002 | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' |
| ISO 4892:1981 | Plastics Methods of exposure to laboratory light sources |
| HD 625.1 : 200S1 | INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PRINCIPLES, REQUIREMENTS AND TESTS |
| EN 60400:2017 | Lampholders for tubular fluorescent lamps and starterholders |
| IEC 60216-2:2005 | Electrical insulating materials - Thermal endurance properties - Part 2: Determination of thermal endurance properties of electrical insulating materials - Choice of test criteria |
| EN 60947-1:2007/A2:2014 | LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014) |
| HD 611.1 : 200S1 | GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - GENERAL GUIDELINES FOR AGEING PROCEDURES AND EVALUATION OF TEST RESULTS |
| EN 60927:2007/A1:2013 | AUXILIARIES FOR LAMPS - STARTING DEVICES (OTHER THAN GLOW STARTERS) - PERFORMANCE REQUIREMENTS (IEC 60927:2007/A1:2013 (34C/951/CDV)) |
| EN 60060-2:2011 | High-voltage test techniques - Part 2: Measuring systems |
| EN 60068-2-27:2009 | Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock |
| EN 60928:1995/A1:1999 | AUXILIARIES FOR LAMPS - A.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS - GENERAL AND SAFETY REQUIREMENTS |
| EN 61049:1993 | Capacitors for use in tubular fluorescent and other discharge lamp circuits - Performance requirements |
| EN 60269-3:1995/A1:2003 | LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) |
| EN 60926:1996/A1:1999 | AUXILIARIES FOR LAMPS - STARTING DEVICES (OTHER THAN GLOW STARTERS) - GENERAL AND SAFETY REQUIREMENTS |
| EN 60155:1995/A2:2007 | GLOW-STARTERS FOR FLUORESCENT LAMPS |
| EN 61184:2017 | Bayonet lampholders |
| ISO 179:1993 | Plastics Determination of Charpy impact strength |
| EN 60662:2012 | High-pressure sodium vapour lamps - Performance specifications |
| EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
| EN 60922:1997 | Auxiliaries for lamps - Ballasts for discharge lamps (excluding tubular fluorescent lamps) - General and safety requirements |
| HD 611.2 : 200S1 | GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - CHOICE OF TEST CRITERIA |
| EN 50014:1997/A2:1999 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS |
| IEC 60664-1:2007 | Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests |
| IEC 60216-1:2013 | Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results |
| EN 60034-5:2001/A1:2007 | ROTATING ELECTRICAL MACHINES - PART 5: DEGREES OF PROTECTION PROVIDED BY THE INTEGRAL DESIGN OF ROTATING ELECTRICAL MACHINES (IP CODE) - CLASSIFICATION |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.