Preparation of documents used in electrotechnology. The requirements have been revised for both withdrawable and removable 6114392, as well as the mechanical impact test the list of allowable loading factors as used in testing has been improved and extended the listing of items subject to agreement between the assembly manufacturer and the user has been revised. In the uk, the new standard is described and embodied within the bs en 61439 series, replacing the bs en 60439 series. What is the bs en 61439 low voltage switchgear and control gear assemblies standard. Specify power dissipation of the assembly for the rating of the ventilation room size. A new standard, iec 61439, which governs the safety and performance of electrical panels, was published in january 2009.
The enclosure design has been updated to incorporate a weldedon canopy and a padlockable door. Bs en 614392 includes four main categories of separation 1,2,3,4 the annex offers a guide to the various types of construction. The provisions of the general rules dealt with in en 614391 hereinafter referred to as part 1 are applicable to this standard where they are. Overload protection of an rccb or switch in an lv assembly to. Standard iec en 61439 integrating socomec products. The european series of standards en 61439 has been adopted in member states of the european. From that date bs en 604391 is withdrawn and bs en 614391 and bs en 614392 should be used. Iec 614392, and the compliance with the general rules iec 614391 is always implicit. Bs en 614392 gives only typical arrangements of internal separation. Dec 29, 2015 bs en 1453212004 there is document bs en 1453212004 available here for reading and downloading. Principally, these requirements are detailed in bs en 614396. Bs en 61439 2 is referred to as the standard in this document,other standards will be stated in full. Iec 61439 is the international electrotechnical commission standard which covers low voltage switchgear and controlgear assemblies. Design 10 consumer unit is an entry level board designed for all.
The compliance of an assembly is declared referring to the specific assembly standard e. Overload protection of an rccb or switch in an lv assembly to bs en 61439 3 bs 7671. Bs en 61439 part 4 assemblies for construction site assemblies for temporary supplies bs en 61439 part 5 assemblies for power distribution in public networks feeder pillars, fuse cabinets and fuse boards bs en 61439 part 6 busbar trunking systems busbar trunking informative document to be developed by iec in due course. Guide to low voltage busbar trunking systems verified to. Bs en 61439 1 does not apply to individual devices and selfcontained components, such as motor starters, fuse switches, electronic equipment, etc. It identifies a total of 18 variants with the introduction of two sub categories compartmentalised and group mounted. The standard gives details on the requirements of these products through testing and other verification methods. Particular requirements for lowvoltage switchgear and control gear assemblies. Low voltage switchgear and controlgear assemblies to bs en. Distribution boards intended to be operated by ordinary persons dbo status. If defined in user diagrams, be fitted with a manual switch to bypass the. These editions supersede the previous edition on bs en 604391 which will be withdrawn 01112014. Therefore, we will continue to accept applications for testing and certification to.
From that date bs en 604391 is withdrawn and bs en 61439 1 and bs en 61439 2 should be used. This standard applies to lowvoltage assemblies intended for use in connection with the generation, transmission, distribution and conversion of electric energy, and for the control of electric energy. Iec en 61439 very precisely defines what elements are comprised in low voltage switchgear assemblies as well as the procedures for ensuring specified levels of performance. Supersedes bs en a clarified scope provides ej of the types of equipment falling within the scope of this standard, including special service conditions such as ships and railway equipment. Busbar trunking systems busways publication year 2012 document status. This standard is to be read in conjunction with en 614391. The numbers of older iec standards were converted in 1997 by adding 60000. Standard iec 614391 defines the general rules for low voltage switchgear assemblies. K0318 design verification part i pdf 052015 2cpc 000 318 l0201. Progressive companies have already recognised the importance of its release and invested for a position of strength and growth. Secure pdf files include digital rights management drm software. Or download the pdf of the directive or of the official journal for free. Iec 61439 2 power switchgear and controlgear assemblies 08192011 iec 61439 3 distribution boards intended to be operated by ordinary persons 02162012 iec 61439 4 assemblies for construction sites 11152012 iec 61439 5 assemblies for power distribution in public networks 08252014 iec 61439 6 busbar trunking systems 05232012 prestandard.
Quick guide to bs en 61439 what is the new standard about. All bsi british standards available online in electronic and print formats. Low voltage power switchgear and controlgear assemblies psc. Guide to low voltage busbar trunking systems verified to bs. This is an incomplete list of standards published by the international electrotechnical commission iec. Iec 61439 the rule is two parts for each type of assembly. 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. Some pdf files are protected by digital rights management. For the distribution of power in a residential application, conforming to bs en 614393. This change will affect panel and systems builders in the uk, and voltimum uk managing editor james hunt introduces this voltibulletin.
The files of this standards is not available 61461 the store right now. Low voltage switchgear and controlgear assemblies to bs en 614392 4 guide to forms of separation pu08304001u july 2011 guide to forms of separation pu08304001u july 2011 5. The sentence tta switchgear according to iec 604391 is now replaced by power switchgear and. For the distribution of power in a residential application, conforming to bs en 61439 3. Streamlines design optimisation facilitates bespoke design approval introduces flexible testing procedures establishes more stringent temperature rise testing reduces testing time eliminates ambiguities ensures safety and quality of lvsa. Do incoming switches need to be accessible at all times for emergency isolation. Automatic creation of parts and order lists pdf, excel or ascii format. Low voltage power switchgear and controlgear assemblies. The coming into force of the new iec 61439 series of international standards. Very few assemblies cause any problems throughout their life. One of the main features of iec 614391 is that the discrimination between type tested assemblies tta and partially type tested assemblies. Room ambient temperature c according to iec 61439 en 61439 temperature range.
There is an extended period to 1st january 2016 for the full implementation of this standard. References to the bs en in this guide apply equally to the en and iec standards. As a result, the customer should give careful consideration to the needs of his application, for example maintenance requirements. Enclosure wall mounting, sheet steel enclosure providing protection to ip44, with high quality, external grade paint finish. The inclusion of this standard ensures that the purchaser will receive equipment that complies with the stated requirement. Bs en 614392 pdf the new standards iec and iec replaced the previous standard iec is a product standard which defines the specific requirements. Low voltage switchgear and controlgear assemblies to bs.
Guide design and assembly according to iec 61439 en. Low voltage switchgear and controlgear assemblies to bs en 61439 2 4 guide to forms of separation pu08304001u july 2011 guide to forms of separation pu08304001u july 2011 5. To be read in conjunction with bs en 614391 cross references. Starting november 1st, 2014, the standard is mandatory for all lvsas who should take notice of bs en 61439. Use the download button below or simple online reader. Defined in bs 5975 an engineered solution used to support or protect an existing structure or the permanent works during construction support an item of. All current amendments available at time of purchase are included with the purchase of this document. Supplementary requirements to iec 61439 lv switchgear and controlgear. In each of these scenarios the load circuits are rated at the design diversity factor per table 101 bsen 61439 2. Switchgear technology guidance on the application of bs en. Bs en 61439 2 gives only typical arrangements of internal separation.
The enclosure incorporates a side hinged padlockable door, a weldedon canopy and. Assemblies shall comply with the relevant part of series bs en 61439 that being part 2 of the standard onwards. This can be as part of machinery, or within ships or railway vehicles. The new iec 61439 series of standards thus defines the construction of low.
One important aspect emphasised in the iec 61439 is the earthing system as this has. Iec standards often have multiple subpart documents. Higher ambient temperatures must be considered in planning. Iec 61439 standard for low voltage switchgear and controlgear. Other parts of the 61439 series will be added as they are published and dates of. Guarantees the performance of low voltage switchgear assemblies lvsa addresses previous ambiguities diversity, circuit rating, device substitution is bs en 61439 mandatory. Iec 61439 describes the definitions and states the service conditions, construction requirements, technical characteristics, and verification requirements for lowvoltage switchgear and control gear assemblies. In this way, user requirements are properly taken into account as well as ensuring that the implemented assembly meets all requirements in terms of functionality and safety. Cable tray systems and cable ladder systems for cable. List of international electrotechnical commission standards. Bs en 1453212004 there is document bs en 1453212004 available here for reading and downloading.
Overload protection of an rccb or switch in an lv assembly to bs en 614393 bs 7671. Iec 61439 en 61439 shows how a lowvoltage switchgear assembly. This is in part due to many never, if ever, being fully loaded or being. Bs en 614394 requires that an acs is fitted with a means of isolation a switch, as a minimum. The contents of bs en 61439 1 are for reference by all parts of the 61439 series, clauses are individually cited if applicable by each of the individual product standards forming the series. Work book the standard iec 61439 in practice abb group. 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. The british standard which applies to electrical products is series bs en 61439. Also the correct documents for the design verification should be available. Publisher information british standards institution. One important aspect emphasised in the iec 61439 is the earthing system as. To be read in conjunction with bs en 61439 1 cross references. Bs en 61439 4 requires that an acs is fitted with a means of isolation a switch, as a minimum. In each of these scenarios the load circuits are rated at the design diversity factor per table 101 bsen 614392.
Guide design and assembly according to iec 61439 en 61439. The file extension pdf and ranks to the documents category. The new standards iec and iec replaced the previous standard standard iec defines the general rules for low voltage switchgear. Bs en 61439 4 states that the actuator of the main switch or equivalent device shall be easily accessible. Lv pscassembly circuit schedule, or data file containing this information one per. And this change has affected most uk specifiers, panel builders and end users in the form of a brand new set of international standards. Sea9bn12514s6 acti 9 isobar b split metered distribution.