Switching, command, and signaling devices, controllers, motors, power electronics. The requirements of this standard apply only to the use of equipment under standard atmospheric conditions as defined in iec 600790. This standard supplements and modifies the general requirements of iec 60079 0, except as indicated in table 1. 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 600790 and 600797 and since the device does not contain heaters, luminaries, motors or transformers, most of it is not applicable. Where a requirement of this standard conflicts with a requirement of iec 60079 0, the requirements of this standard shall take precedence. This document is a modification of the iec document and includes us deviations.
Let us walkthrough the informative world of iec 6007914. 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. List of international electrotechnical commission standards. 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.
Standards and certification for hazardous area instrumentation. 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. 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. Electrical resistance trace heating application guide for design, installation and maintenance. 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. Date isa6007911 ul 6007911 7 general notes this is the common isa and ul standard for explosive atmospheres part 11. 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. The requirements of this standard apply only to the use of equipment under standard atmospheric conditions as defined in iec 60079 0. I have been given iec 600797 explosive protection by increased safety e and told that the device must be proven to comply with it. 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. For example, iec 341 is now referred to as iec 600341. Pdf iec 60079 0 explosive atmospheres part 0 equipment. Iec 60079 0 explosive atmospheres part 0 equipment general requirements. 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.
This standard supplements and modifies the general requirements of iec 600790, except as indicated in table 1. Consult b command gmbhs entire products for hazardous areas atex, iecex b command catalogue on directindustry. In this article certification management limited attempts to explain a simple approach. Switch, command and signaling devices, controls, motors, power. Explosion protection theory and practice phoenix contact. 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. The prevention of explosion risk from the flammable materials should be sought first, by employing three important principles. Iec 6007914 electrical installations design, selection and. An overview of iec ts 60079321 electrostatics guidance.
This part of iec 60079 contains the specific requirements for the construction and testing of electrical apparatus with pressurized enclosures, of type of protection p, intended for use in explosive gas atmospheres. 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. Dust explosion protection iecen 600790 and iecen 60079 31. 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. 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. Any openings that are not used shall be closed as specified in iec 600791, section. Headquartered in geneva, switzerland, iec standards reach over 150 countries. Where a requirement of this standard conflicts with a requirement of iec 600790, the requirements of this standard shall take precedence. 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. Interpretation sheet 1 explosive atmospheres part 1. Let us walkthrough the informative world of iec 60079 14. The requirements for intrinsically safe systems are provided in iec 60079 25. Test methods have also been expanded permitting alternatives to determine compliance. For example, iec 34 1 is now referred to as iec 60034 1.
Switch devices and systems, command and display devices, controllers. Products for hazardous areas atex, iecex bcommand b. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. Do not take apart the command and control units push buttons, pilot light, etc. This standard supplements and modifies the general requirements of iec 600790. To prevent electrostatic discharge wipe down cover and enclosure of. 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. Switchgears for low output, command and signalling. Filling of bulk material is preferably performed with a closed and or automated system, typically under inert gas atmosphere. All wiring shall also be conducted in accordance with iecen 6007914.
Im 1xsw01 one series electronic pressure and temperature. Summary the requirements for nonmetallic materials included in clause 7. 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. 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. Classification of areas, combustible dust atmospheres the selection and construction of electrical installations is defined by standard iec en 60079 14. Classification of areas, combustible dust atmospheres the selection and construction of electrical installations is defined by standard iecen 6007914. Electrical resistance trace heating general and testing requirements. Classification of areas, explosive gas atmospheres iecen 60079102. It specifies requirements for pressurized enclosures containing a limited release of a flammable substance. General requirements under an agreement with the u. It is the fifth edition of isa6007911 and the fifth edition of ul 6007911.
Classification of areas, explosive gas atmospheres iec en 60079 102. 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. In addition to more precise specifications, edition 5 of iec 6007914, electrical installations design, selection and erection, also contains some important innovations. The equipment consists of a series of ispkxxi, ispkxxuc and ispkxxiuc sensors with a 1281 or 1281. Removing the one series enclosure cover and display module warning. Introduction this document is intended to provide guidance on the certification and standards used in the design and application of instrumentation used in hazardous areas. Consolidated editions the iec is now publishing consolidated versions of its publications. Ex poster bvs 16 atex e1 x l ii 2g ex db eb iic t6 gb l ii 2d.
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