Eldon provides the market with enclosure solutions that are part of the assembly, therefore eldon products are affected directly by the iec 61439 standard. The iec 61439 is mandatory for all lowvoltageswitchgears and focuses on safety. Verification of compliance with the general requirements of the iec 614391 standard and the relevant iec 614392. Iec 60439, the standard for lowvoltage switchgear and controlgear assemblies, was under restructuring from the last decade. Iec 614392, and the compliance with the general rules iec 614391 is always implicit. One important aspect emphasised in the iec 61439 is the earthing system as this has important consequences for planing the electrical circuits. Lanela power solutions ltd basic knowledge in electrical engineering is essential for planning low voltage switchgear and controlgear assemblies. Iec 61439 62012 lowvoltage switchgear and controlgear assemblies part 6busbar trunking systems busways this document was uploaded by 989me. The relatively new switchgear and control gear standard, iec 61439 lowvoltage switchgear and controlgear assemblies, ensures compliance to the standard by a series of design and routine verifications. For special operating conditions see iec 61439, section 7. The sentence tta switchgear according to iec 604391 is now replaced by power switchgear and. New standard for lv switchgear, controlgear assemblies. Iec 614391 archives electrical safety testing laboratory.
Iec standard 61439 1 covers low voltage switchgear and control gear assembliesdistribution boards intended to be operated by ordinary persons dbo. This second edition includes the following significant technical changes with respect to the last edition of iec 61439 2. Iec 61439 en 61439 can be quickly and easily downloaded. Our filtering technology ensures that only latest iec 61439. Pdf iec 61439 for low voltage switchgear and controllergear.
This change will affect panel and systems builders in the uk, and voltimum uk managing editor james hunt introduces this voltibulletin. Thus, the international electrotechnical committee carried out an indepth reform of these standards, which led to the publication of the new renumbered series iec 61439. Assemblies for which the rated voltage does not exceed 1 000 v in case of a. Project manager industrial components, member of sc 17d mt11 the new iec 61439 series, technical seminar, 10 november 2010, singapore 2 contents 1. The file extension pdf and ranks to the documents category.
Refer table 1 the iec 60439 standards were ambiguous about how to assess compliance of partially type tested assemblies. Kelly butler, beamas marketing director and george sutton the organisations lv switchboard technical committee chair, explain how market needs have primarily prompted the change from iec 60439 to iec 61439. Iec 61439 verification methods by steven mcfadyen on march 3rd, 2012 the relatively new switchgear and control gear standard, iec 61439 lowvoltage switchgear and controlgear assemblies, ensures compliance to the standard by a series of design and routine verifications. Important definitions to understand the standard are. The principal standard for lowvoltage power switchgear and controlgear assemblies is bs en 61439 2, when read in conjunction with the general rules document, bs en 61439 1 assemblies conforming to this standard are deemed to satisfy the essential requirements of both the low voltage directive and the emc directive and may bear the ce marking. Part 2 of the standard defines the specific requirements of power switchgear and controlgear assemblies psc assemblies, the rated voltage of which does not exceed 1,000 v a. Main changes the new iec 61439 includes the following significant technical changes.
Part 2 contains specific requirements for power switchgear and controlgear assemblies. Iec 61439 standard for low voltage switchgear and controlgear. The new 2012 edition of bs 61439 2 is the latest publication resulting from the continuing major restructure and renumbering of the bs en 60439 bs en 61439 series, and supersedes the 2011 edition. The compliance of an assembly is declared referring to the specific assembly standard e. This standard cannot be used alone to specify an assembly or used for a purpose of determining conformity. Matthias kratzke jurgen dufner basic standards definitions of personal protection, calculation and test procedures, assessment bases iec 60364441 iec tr 60664 2 1 iec 60529 protection against electric shock insulation coordination test devices and test procedures requirements for special.
This part of the iec 61439 series lays down the definitions and states the service conditions, construction requirements, technical characteristics and verification requirements for lowvoltage switchgear and controlgear assemblies. The general part 1 applies to switchgear, power distribution boards and control cabinets, while part 2 applies to power switchgear and controlgear assemblies. Iec standards are today legal or market references. Supplementary requirements for assemblies forming part of a machine are covered by the iec 60204 series. Iec 61439 for low voltage switchgear and controllergear assemblies. Iec 61439 1 en 61439 1 general requirements for lowvoltage switchgear assemblies iec 61439 2 en 61439 2 power switchgear and controlgear assembly psc power switchgear and iec 61439 3 en 61439 3 distribution boards intended to be operated by ordinary persons dbo distribution boards intended to iec 61439 4 en 61439 4.
This standard has brought considerable clarity in technical interpretation. This document is only used for personal research purposes and not to used for. A lowvoltage switchgear and controlgear assembly that is used to distribute and control electric power for all kinds of loads in industrial, commercial and similar applications in which operation by laypersons is not intended din en iec 61439 2. Low voltage power switchgear and controlgear assemblies psc. The validity of the two standards will overlap until 2014, and prior to this date assemblies can be manufactured according to iec 61439 or iec 60439. Home download center electrical engineering books and technical guides abbs power system protection practices the standard iec 61439 practice workbook.
Guide design and assembly according to iec 61439 en. This standard applies to lowvoltage switchgear and controlgear. Note 1 throughout this standard, the term assembly see 3. Use the download button below or simple online reader. Beama comments on the change from iec 60439 to iec 61439. Scope of the standard the iec 61439 standard consists of several parts.
The new series of iec 61439 standards were published in january 2009. Chapter 2 distribution board design and design verification. Assemblies shall comply with the relevant part of the iec 61439 series. Scribd is the worlds largest social reading and publishing site. Iec 604391 is now replaced by power switchgear and controlgear assemblies according to iec 614392, design.
Iec 6143962012 lowvoltage switchgear and controlgear assemblies part 6busbar trunking systems busways this document was uploaded by 989me. This second edition cancels and replaces the first edition published in 2009. Iec 61439 the rule is two parts for each type of assembly. The relationship between the two standards is shown in table 1. Lowvoltage switchgear and controlgear assemblies part 2.
Enclosures busbar supports thermal management equipment. Work book the standard iec 61439 in practice abb group. As a result manufacturers and testing bodies often treated partially typetested assemblies november 2008 march 2009 introduction to iec 61439. Bs en 61439 part 2 power switchgear and controlgear assemblies pscassemblies this standard defines the specific requirements of power switchgear and controlgear assemblies pscassemblies,the rated voltage of which does not exceed 1 000 v a.
Iec 61439 fully satisfies the requirements of designers and users of new generation lv switchboards. The new standards iec 614391 and iec 614392 replaced the previous standard. Verification of compliance with the general requirements of the iec 61439 1 standard and the relevant iec 61439 2. Introduction market situation objectives of the new standard 2. The new standard iec 61439 low voltage switchgear and.
Iec 61439 2, and the compliance with the general rules iec 61439 1 is always implicit. The standard iec 61439 workbook lv switchgear and controlgear assembly in practice photo credit. Iec 61439 standard for low voltage switchgear and controlgear iec 61439 standard for low voltage switchgear and controlgear assemblies. Zucchini busbars, preloadedprewired consumer units, portable combined units, ev charging points, etc. Matthias kratzke jurgen dufner basic standards definitions of personal protection, calculation and test procedures, assessment bases iec 60364441 iec tr 6066421 iec 60529 protection against electric shock insulation coordination test devices and test procedures requirements for special. The new iec 61439 standard history of restructuring the iec 60439 standard the new. The new 2012 edition of bs 614392 is the latest publication resulting from the continuing major restructure and renumbering of the bs en 60439 bs en 61439 series, and supersedes the 2011 edition.
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