Ex protection concepts electrical electrical symbol typical iec epl typical zones iec standard basic concept of protection increased safety e gb 1,2 iec 60079. Classification of areas, explosive gas atmospheres iecen 60079102. Removing the one series enclosure cover and display module warning. Switch, command and signaling devices, controls, motors, power. Sep 10, 2014 in addition to more precise specifications, edition 5 of iec 6007914, electrical installations design, selection and erection, also contains some important innovations. This is an incomplete list of standards published by the international electrotechnical commission iec the numbers of older iec standards were converted in 1997 by adding 60000. This part of vde 0165 is concerned with the identification and classification of areas where explosive dust atmospheres and combustible dust layers are present in order to permit the correct selection of equipment for use in such areas.
Consult b command gmbhs entire products for hazardous areas atex, iecex b command catalogue on directindustry. Where a requirement of this standard conflicts with a requirement of iec 600790, the requirements of this standard shall take precedence. Classification of areas, combustible dust atmospheres the selection and construction of electrical installations is defined by standard iec en 60079 14. Electrical resistance trace heating application guide for design, installation and maintenance. Consolidated editions the iec is now publishing consolidated versions of its publications. This standard supplements and modifies the general requirements of iec 60079 0, except as indicated in table 1. I have read iec 600790 and 600797 and since the device does not contain heaters, luminaries, motors or transformers, most of it is not applicable. Iec 60079 0 explosive atmospheres part 0 equipment general requirements.
The requirements of this standard apply only to the use of equipment under standard atmospheric conditions as defined in iec 600790. Iecen 600791 equipment protection by flameproof enclosures d iecen 600797 equipment protection by increased safety e iecen 6007931 equipment dust ignition protection by enclosure t iec 60050426 equipment for explosive atmospheres installation standards iecen 6007914 electrical installations design, selection and erection. This standard supplements and modifies the general requirements of iec 600790. Where a requirement of this standard conflicts with a requirement of iec 60079 0, the requirements of this standard shall take precedence. Do not take apart the command and control units push buttons, pilot light, etc. List of international electrotechnical commission standards. Electrical resistance trace heating general and testing requirements. Test methods have also been expanded permitting alternatives to determine compliance.
It is the fifth edition of isa6007911 and the fifth edition of ul 6007911. The requirements of this standard apply only to the use of equipment under standard atmospheric conditions as defined in iec 60079 0. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays modern world. This part of iec 60079 is concerned with the classification of areas where flammable gas or vapour or mist hazards see notes 1, 2 and 3 may arise and may then be used as a basis to support the proper selection and installation of equipment for use in a hazardous area.
This document is a modification of the iec document and includes us deviations. Switching, command, and signaling devices, controllers, motors, power electronics. For example for an ex d machine certified in 1984 in the uk by eecs, the service facility would also need to have bs 5501 part 1 general requirements and bs 5501 part 5 flameproof enclosure d 3. A few months ago was released the updated version of the european standard en 6007914 concerning the design, selection and installation of electrical systems for areas with potentially explosive atmosphere that has replaced the old version, which will remain in force until january, 1st 2017. I have read iec 60079 0 and 60079 7 and since the device does not contain heaters, luminaries, motors or transformers, most of it is not applicable. In this article certification management limited attempts to explain a simple approach.
I have been given iec 60079 7 explosive protection by increased safety e and told that the device must be proven to comply with it. Inspection and maintenance of electrical installations in hazardous areas other than mines foreword 1 the iec international electrotechnical commission is a worldwide organization for standardization. The requirements for intrinsically safe systems are provided in iec 6007925. Any openings that are not used shall be closed as specified in iec 600791, section. Explosion protection theory and practice phoenix contact. This standard was prepared by the joint standards australiastandards new zealand committee el014, equipment for explosive atmospheres, to supersede asnzs 60079. Headquartered in geneva, switzerland, iec standards reach over 150 countries. Pdf iec 60079 0 explosive atmospheres part 0 equipment. This standard supplements and modifies the general requirements of iec 600790, except as indicated in table 1. Where the equipment is required to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional protection requirements may be necessary. An overview of iec ts 60079321 electrostatics guidance. Ex poster bvs 16 atex e1 x l ii 2g ex db eb iic t6 gb l ii 2d.
When a polyca rbonate window is fitted, andor voltmetersammeters with windows are installed, these parts present a potential electrostatic charging hazard and shall therefore be cleaned only with a damp cloth. Summary the requirements for nonmetallic materials included in clause 7. Iec 6007914 electrical installations design, selection and. Download standards through your account documents are normally available within a few minutes once registered, documents can be ordered and downloaded 24 hours a day excluding periods of technical maintenance. Iec 60079 19 is never used in isolation it is always used in conjunction to the iec protection type standards used when certifying the equipment. For example, iec 34 1 is now referred to as iec 60034 1. For example, iec 341 is now referred to as iec 600341. Bs en 60079 gives the requirements for the construction, testing and performance of portable, transportable and fixed equipment for the detection and measurement of flammable gas or vapour concentrations with air. The prevention of explosion risk from the flammable materials should be sought first, by employing three important principles. Make sure that you obtained this publication from an authorized distributor. Inevitably this subject is one of constant but usually slow change and hence the.
In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Let us walkthrough the informative world of iec 6007914. Filling of bulk material is preferably performed with a closed and or automated system, typically under inert gas atmosphere. The requirements for intrinsically safe systems are provided in iec 60079 25. Installation, inspection and maintenance of electrical. Electrostatic hazards and ex equipment application of iec. In addition to more precise specifications, edition 5 of iec 6007914, electrical installations design, selection and erection, also contains some important innovations. September 9, 2012 download iec 6007910electrical apparatus for explosive gas atmospherespart 10classification of hazardous areas pdf edit delete tags autopost. Products for hazardous areas atex, iecex bcommand b. Note 1 charge build up during the filling of bulk material from metal or plastic drums or from. Date isa6007911 ul 6007911 7 general notes this is the common isa and ul standard for explosive atmospheres part 11. General requirements under an agreement with the u. Iec 60079101 assumes an approximately similar classification for gases and vapours which will also apply to future facilities constructed in accordance. To prevent electrostatic discharge wipe down cover and enclosure of.
Switch devices and systems, command and display devices, controllers. Standards and certification for hazardous area instrumentation. I have been given iec 600797 explosive protection by increased safety e and told that the device must be proven to comply with it. Flameproof enclosures d 1 scope this part of iec 60079 contains the specific requirements for the construction and testing of electrical apparatus with the type of protection flameproof enclosure d, intended for use in. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Let us walkthrough the informative world of iec 60079 14. Classification of areas, explosive gas atmospheres iec en 60079 102. The equipment consists of a series of ispkxxi, ispkxxuc and ispkxxiuc sensors with a 1281 or 1281.