IEC 61241-4:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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21-07-2014
English, English - French, Spanish, Castilian
07-03-2001
FOREWORD
1 Scope
2 Normative references
3 Definitions
4 Pressurization principle
4.1 Protective gas
4.2 Automatic disconnection
4.3 Cleaning
4.4 Discharge of protective gas
5 General constructional requirements
5.1 Electrical performance of apparatus
5.2 Mechanical strength
5.3 Apertures
5.4 Electrical connections to enclosures
5.5 Doors and covers
6 Temperature limits
7 Safety provisions and safety devices (except for static
pressurization)
7.1 General
7.2 Pressure- or flow-activated devices
7.3 Electrical supply
7.4 Switching off electrical supply
7.5 Failure of pressurization
7.6 Level of overpressure
7.7 Possible sources of ignition
7.8 Enclosed components
7.9 Separate enclosures
8 Safety provisions and safety devices for static pressurization
9 Supply of protective gas
9.1 Type of gas
9.2 Second source of supply
9.3 Temperature
10 Verification and tests
10.1 General
10.2 Type verification and tests
10.3 Overpressure test
10.4 Minimum overpressure test
10.5 Leakage test
10.6 Impact test
10.7 Routine tests
11 Marking
11.1 Pressurized enclosure
11.2 Additional marking
11.3 Pressurized enclosures protected by static pressurization
11.4 Any other marking required
Annex A (normative) Ducts for protective gas supply
Annex B (normative) Installation requirements for pressurization
Gives requirements on the design, construction, testing and marking of electrical apparatus for use in combustible dust atmospheres in which a protective gas (air or inert gas), maintained at a pressure above that of the external atmosphere, is used to prevent the entry of dust which might otherwise lead to the formation of a combustible mixture within enclosures which do not contain a source of combustible dust.
| Committee |
TC 31
|
| DevelopmentNote |
Also numbered as BS IEC 61241-4. (09/2001) Stability Date: 2014. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| Standards | Relationship |
| NF EN 61241-4 : 2007 | Identical |
| NEN EN IEC 61241-4 : 2007 | Identical |
| I.S. EN 61241-4:2007 | Identical |
| PN EN 61241-4 : 2007 | Identical |
| SANS 61241-4 : 1ED 2001(R2012) | Identical |
| AS/NZS 61241.4:2002 | Identical |
| SN EN 61241-4 : 2007 | Identical |
| VDE 0170-15-4 : 2007 | Identical |
| DIN EN 61241-4 : 2007 | Identical |
| UNE-EN 61241-4:2007 | Identical |
| BIS IS/IEC 61241-4 : 2001 | Identical |
| BS EN 61241-4:2006 | Identical |
| CEI EN 61241-4 : 2007 | Identical |
| EN 61241-4:2006 | Identical |
| UNE-EN 60079-17:2014 | Explosive atmospheres - Part 17: Electrical installations inspection and maintenance |
| BS EN 60079-17:2014 | Explosive atmospheres Electrical installations inspection and maintenance |
| I.S. EN 60079-0:2012 | EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011 (MOD)) |
| BS EN 61241-17:2005 | Electrical apparatus for use in the presence of combustible dust Inspection and maintenance of electrical installations in hazardous areas (other than mines) |
| 12/30270980 DC : 0 | BS EN 1127-2 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING |
| CSA C22.2 No. 60079.0 : 2015 | EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS |
| BS EN 60079-19 : 2011 | EXPLOSIVE ATMOSPHERES - PART 19: EQUIPMENT REPAIR, OVERHAUL AND RECLAMATION |
| BS EN 1127-1:2019 | Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology |
| EN 60079-19:2011/A1:2015 | EXPLOSIVE ATMOSPHERES - PART 19: EQUIPMENT REPAIR, OVERHAUL AND RECLAMATION (IEC 60079-19:2010) |
| UNE-EN 1127-1:2012 | Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology |
| EN 61241-17:2005 | Electrical apparatus for use in the presence of combustible dust - Part 17: Inspection and maintenance of electrical installations in hazardous areas (other than mines) |
| NF EN 60079-19 : 2011 AMD 1 2015 | EXPLOSIVE ATMOSPHERES - PART 19: EQUIPMENT REPAIR, OVERHAUL AND RECLAMATION |
| BS EN 1127-1:2011 | Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology |
| 09/30206527 DC : 0 | BS EN 60079-0 ED 6.0 - EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS |
| BIS IS/IEC 60079-0 : 2011 | EXPLOSIVE ATMOSPHERES - PART 0: GENERAL REQUIREMENTS |
| DIN EN 1127-1:2011-10 | EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY |
| EN 60079-14:2014/AC:2016 | EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016) |
| CSA C22.4 No. 1 : 2009(R2018) | OBJECTIVE-BASED INDUSTRIAL ELECTRICAL CODE |
| CEI EN 60079-17 : 2015 | EXPLOSIVE ATMOSPHERES - PART 17: ELECTRICAL INSTALLATIONS INSPECTION AND MAINTENANCE |
| BS IEC 61241-4:2001 | Electrical apparatus for use in the presence of combustible dust Type of protection \'pD\' |
| I.S. EN 60079-17:2014 | EXPLOSIVE ATMOSPHERES - PART 17: ELECTRICAL INSTALLATIONS INSPECTION AND MAINTENANCE |
| I.S. EN 1127-1:2011 | EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY |
| EEMUA 186 : 2016 | A PRACTITIONER'S HANDBOOK FOR POTENTIALLY EXPLOSIVE ATMOSPHERES |
| UNE-EN 60079-14:2016 | Explosive atmospheres - Part 14: Electrical installations design, selection and erection |
| BS EN 60079-14:2014 | Explosive atmospheres Electrical installations design, selection and erection |
| IEC 61241-17:2005 | Electrical apparatus for use in the presence of combustible dust - Part 17: Inspection and maintenance of electrical installations in hazardous areas (other than mines) |
| C22.10-10 | Québec Construction Code, Chapter V - Electricity Canadian Electrical Code, Part I (Twenty-first Edition) with Québec Amendments |
| CSA C22.4 PACKAGE : 2009 | CONSISTS OF C22.4 NO. 1-09, OBJECTIVE-BASED INDUSTRIAL ELECTRICAL CODE AND C22.4 NO. 2-09, OBJECTIVE-BASED INDUSTRIAL ELECTRICAL CODE - SAFETY MANAGEMENT SYSTEM REQUIREMENTS |
| 12/30268608 DC : 0 | BS EN 60079-17/ED 5 - EXPLOSIVE ATMOSPHERES - PART 17: ELECTRICAL INSTALLATIONS INSPECTION AND MAINTENANCE |
| I.S. EN 61241-17:2005 | ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 17: INSPECTION AND MAINTENANCE OF ELECTRICAL INSTALLATIONS IN HAZARDOUS AREAS (OTHER THAN MINES) |
| UNE-EN 60079-0:2013 | Explosive atmospheres - Part 0: Equipment - General requirements |
| 05/30134569 DC : DRAFT JUN 2005 | IEC 60079-0. ED. 5.0 - ELECTRICAL APPARATUS FOR EXPLOSIVE ATMOSPHERES - PART 0: GENERAL REQUIREMENTS |
| IEC 60079-19:2010+AMD1:2015 CSV | Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation |
| BIS IS/IEC 60079-1 : 2007 | EXPLOSIVE ATMOSPHERES - PART 1: EQUIPMENT PROTECTION BY FLAMEPROOF ENCLOSURES 'D' |
| I.S. EN 60079-14:2014 | EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION |
| 11/30247086 DC : 0 | BS EN 60079-1 ED. 7.0 - EXPLOSIVE ATMOSPHERES - PART 1: EQUIPMENT PROTECTION BY FLAMEPROOF ENCLOSURES "D" |
| UNI EN 1127-1 : 2011 | EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY |
| PREN 1127-2 : DRAFT 2012 | EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING |
| BS EN 60079-0 : 2012 | EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS |
| UNE-EN 60079-19:2011 | Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation |
| IEC 60079-17:2013 | Explosive atmospheres - Part 17: Electrical installations inspection and maintenance |
| 12/30269297 DC : 0 | BS EN 60079-14/ED 5 - EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION |
| 13/30286778 DC : 0 | BS EN 60079-1 - EXPLOSIVE ATMOSPHERES - PART 1: EQUIPMENT PROTECTION BY FLAMEPROOF ENCLOSURES 'D' |
| EN 60079-0:2012/A11:2013 | EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED) |
| EN 60079-17:2014 | Explosive atmospheres - Part 17: Electrical installations inspection and maintenance |
| EN 1127-1:2011 | Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology |
| IEC 61241-1-1:1999 | Electrical apparatus for use in the presence of combustible dust - Part 1-1: Electrical apparatus protected by enclosures and surface temperature limitation - Specification for apparatus |
| IEC 61241-3:1997 | Electrical apparatus for use in the presence of combustible dust - Part 3: Classification of areas where combustible dust are or may be present |
| IEC 60034-1:2017 | Rotating electrical machines - Part 1: Rating and performance |
| IEC 61241-2-3:1994 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 3: Method for determining minimum ignition energy of dust/air mixtures |
| IEC 61241-1-2:1999 | Electrical apparatus for use in the presence of combustible dust - Part 1-2: Electrical apparatus protected by enclosures and surface temperature limitation - Selection, installation and maintenance |
| IEC 61241-2-1:1994 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 1: Methods for determining the minimum ignition temperatures of dust |
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