IEC 60079-31:2013 is applicable to electrical equipment protected by enclosure and surface temperature limitation for use in explosive dust atmospheres. It specifies requirements for design, construction and testing of electrical equipment and Ex Components. This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence. This standard does not apply to dusts of explosives, which do not require atmospheric oxygen for combustion, or to pyrophoric substances. This standard does not apply to electrical equipment or Ex Components intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust. This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust. Consideration of additional protective measures is required where the application of electrical equipment is in atmospheres, which can contain combustible dust as well as explosive gas, whether simultaneously or separately. Where the electrical equipment has to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional measures can be necessary. The measures used should not adversely affect the integrity of the enclosure. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. The major technical changes include: - The marked maximum surface temperature shall be measured on the external surfaces of the enclosure and the surfaces of the internal components for equipment with types of protection 'ta'; - Additional protection for arcing and sparking parts for 'ta'; - Test for internal enclosure for level 'ta' added. Keywords: explosive dust atmospheres
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EN 60127-10:2002 Miniature fuses - Part 10: User guide for miniature fuses
EN 60127-1:1991 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-1:1991/A1:1999 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-10:2002 Miniature fuses - Part 10: User guide for miniature fuses
EN 60127-1:1991 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-1:1991/A1:1999 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-1:1991/A2:2003 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-1:2006 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-1:2006/A1:2011 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-1:2006/A2:2015 Miniature fuses - Part 1: Definitions for miniature fuses and general requirements for miniature fuse-links
EN 60127-2:1991 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-2:1991/A1:1995 Pienoisvarokkeet. Osa 2: Pienoissulakkeet
EN 60127-2:1991/A2:2000 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-2:2003 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-2:2003/A1:2003 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-2:2003/A2:2010 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-2:2014 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-2:2014/A1:2023 Miniature fuses - Part 2: Cartridge fuse-links
EN 60127-3:1991 Miniature fuses - Part 3: Sub-miniature fuse-links
EN 60127-3:1996 Miniature fuses - Part 3: Sub-miniature fuse-links
EN 60127-3:1996/A2:2003 Miniature fuses - Part 3: Sub-miniature fuse-links
EN 60127-3:2015 Miniature fuses - Part 3: Sub-miniature fuse-links
EN 60127-3:2015/A1:2020 Miniature fuses - Part 3: Sub-miniature fuse-links
EN 60127-4:1996 Miniature fuses - Part 4: Universal Modular Fuse-links (UMF)
EN 60127-4:1996/A1:2002 Miniature fuses - Part 4: Universal Modular Fuse-links (UMF)
EN 60127-4:1996/A2:2003 Miniature fuses - Part 4: Universal Modular Fuse-links (UMF)
EN 60127-4:2005 Miniature fuses - Part 4: Universal modular fuse-links (UMF) - Through-hole and surface mount types
EN 60127-4:2005/A1:2009 Miniature fuses - Part 4: Universal modular fuse-links (UMF) - Through-hole and surface mount types
EN 60127-4:2005/A2:2013 Miniature fuses - Part 4: Universal modular fuse-links (UMF) - Through-hole and surface mount types
EN 60127-5:1991 Miniature fuses - Part 5: Guidelines for quality assessment of miniature fuse-links
EN 60127-5:2017 Miniature fuses - Part 5: Guidelines for quality assessment of miniature fuse-links
EN 60127-6:1994 Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
EN 60127-6:1994/A1:1996 Pienoisvarokkeet. Osa 6: Pienoissulakkeita varten tarkoitetut varokepitimet
EN 60127-6:1994/A2:2003 Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
EN 60127-6:2014 Miniature fuses - Part 6: Fuse-holders for miniature fuse-links
EN 60127-7:2013 Miniature fuses - Part 7: Miniature fuse-links for special applications
EN 60127-7:2016 Miniature fuses - Part 7: Miniature fuse-links for special applications
EN 60691:2016 Thermal-links - Requirements and application guide
EN IEC 60079-0:2018 Räjähdysvaaralliset tilat. Osa 0: Laitteet. Yleiset vaatimukset
EN IEC 60691:2023 Thermal-links - Requirements and application guide
ISO 965-1:1998 ISO general-purpose metric screw threads -- Tolerances -- Part 1: Principles and basic data