CEI EN 50495 : 2011
Current
Current
The latest, up-to-date edition.
SAFETY DEVICES REQUIRED FOR THE SAFE FUNCTIONING OF EQUIPMENT WITH RESPECT TO EXPLOSION RISKS
Available format(s)
Hardcopy , PDF
Language(s)
English - Italian
Published date
01-01-2011
Publisher
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INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Ignition prevention by safety devices
5 Functional requirements for a safety device
6 Tests
7 Marking
8 Safety instructions
Annex A (informative) - Example of an assessment procedure
for a simple safety device
Annex B (informative) - Example of an assessment procedure
for the hardware safety integrity of a safety device
Annex C (informative) - Example of determining the hardware
safety integrity level
Annex D (informative) - Examples for safety devices
Annex E (informative) - Basic concept for safety devices
Annex ZZ (informative) - Coverage of Essential Requirements
of EC Directives
Bibliography
Defines the requirements of electrical safety devices, which are used to avoid potential ignition sources of equipment in explosive atmospheres.
| Committee |
CT 31
|
| DevelopmentNote |
Classificazione CEI 31-94. (07/2011)
|
| DocumentType |
Standard
|
| Pages |
86
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Standards | Relationship |
| EN 50495:2010 | Identical |
| IEC 61025:2006 | Fault tree analysis (FTA) |
| EN 60812:2006 | Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA) |
| EN 61508-3:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements |
| EN 61508-1:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements |
| EN 60079-10-1:2015 | Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres |
| IEC 60079-30-2:2007 | Explosive atmospheres - Part 30-2: Electrical resistance trace heating - Application guide for design, installation and maintenance |
| EN 61508-7:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures |
| IEC 61511-1:2016+AMD1:2017 CSV | Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements |
| IEC 60812:2006 | Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA) |
| EN 60079-0:2012/A11:2013 | EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED) |
| IEC 61165:2006 | Application of Markov techniques |
| IEC 60079-10-1:2015 | Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres |
| IEC 61508-4:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (see Functional Safety and IEC 61508) |
| IEC 61241-0:2004 | Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements |
| EN 13237:2012 | Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres |
| IEC 61508-3:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508) |
| EN 13463-6:2005 | Non-electrical equipment for use in potentially explosive atmospheres - Part 6: Protection by control of ignition source 'b' |
| EN 50402:2017 | Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of gas detection systems |
| EN 61165:2006 | Application of Markov techniques |
| EN 60079-30-1:2017 | Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements |
| EN 61508-2:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems |
| EN 61496-1:2013/AC:2015 | SAFETY OF MACHINERY - ELECTRO-SENSITIVE PROTECTIVE EQUIPMENT - PART 1: GENERAL REQUIREMENTS AND TESTS (IEC 61496-1:2012) |
| EN 61025:2007 | Fault tree analysis (FTA) |
| EN 62061:2005/A2:2015 | SAFETY OF MACHINERY - FUNCTIONAL SAFETY OF SAFETY-RELATED ELECTRICAL, ELECTRONIC AND PROGRAMMABLE ELECTRONIC CONTROL SYSTEMS (IEC 62061:2005/A2:2015) |
| EN 50271:2010 | Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies |
| ISO 13849-2:2012 | Safety of machinery — Safety-related parts of control systems — Part 2: Validation |
| IEC 60079-0:2011 | Explosive atmospheres - Part 0: Equipment - General requirements |
| EN 61241-0:2006 | Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements |
| IEC 61496-1:2012 | Safety of machinery - Electro-sensitive protective equipment - Part 1: General requirements and tests |
| EN ISO 13849-2:2012 | Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012) |
| EN ISO 13849-1:2015 | Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2015) |
| IEC 60079-30-1:2007 | Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements |
| EN 61709:2017 | Electric components - Reliability - Reference conditions for failure rates and stress models for conversion |
| EN 61010-1:2010 | Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements |
| IEC 61508-1:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508) |
| IEC 62061:2005+AMD1:2012+AMD2:2015 CSV | Safety of machinery - Functional safety of safety-related electrical, electronic and programmable electronic control systems |
| EN 60079-30-2:2017 | Explosive atmospheres - Part 30-2: Electrical resistance trace heating - Application guide for design, installation and maintenance |
| IEC 61508-7:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (see Functional Safety and IEC 61508) |
| IEEE 352-1987 | IEEE Guide for General Principles of Reliability Analysis of Nuclear Power Generating Station Safety Systems |
| IEC 61010-1:2010+AMD1:2016 CSV | Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements |
| ISO 13849-1:2015 | Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design |
| IEC 61508-2:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508) |
| 1994/9/EC : 1994 | DIRECTIVE 94/9/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 23 MARCH 1994 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES |
| EN 61508-4:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations |
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