For example, iec 34 1 is now referred to as iec 60034 1. The iec 60439 standards were ambiguous about how to assess compliance of partially type tested assemblies. The provisions of the general with rules dealt with in iec 614391 hereinafter referred to as part 1 are only applicable to this standard insofar as they are specifically cited. 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 new iec 61439 standard history of restructuring the iec 60439 standard the new. Iec 61439 describes the definitions and states the service conditions, construction requirements. Consolidated editions the iec is now publishing consolidated versions of its publications. I learned this during my 40 years of activities in the electrical sector. The structure of the new standard is clearer with a general part and product specific parts. This standard applies to lowvoltage switchgear and controlgear assemblies assemblies only when required by the relevant assembly standard. Iec 61439 standard follows the philosophy of iec 60947 series i. Iec 614392, and the compliance with the general rules iec 614391 is always implicit. Matthias kratzke jurgen dufner basic standards definitions of personal protection, calculation and test procedures, assessment bases iec 60364441 iec tr 606642 1 iec 60529 protection against electric shock insulation coordination test devices and test procedures. General rules ensembles dappareillage a basse tension partie 1.
A combination of one or more lowvoltage switchgear with associated equipment. Publisher european committee for standards electrical. In this standard, terms written in small capitals are defined in clause 3. This standard is to be read in conjunction iec 61439 1. Introduction market situation objectives of the new standard 2. Iec system of conformity assessment schemes for electrotechnical equipment and components iecee. This standard is to be read in conjunction iec 614391. In the uk, the new standard is described and embodied within the bs en 61439 series, replacing the bs en 60439 series. Guide design and assembly according to iec 61439 en 61439. The provisions of the general with rules dealt with in iec 61439 1 hereinafter referred to as part 1 are only applicable to this standard insofar as they are specifically cited. Astm standards annual book of astm standards bs standards csn standards din standards iec standards iso standards une standards vda automotive standards cqi qs 9000 eurocodes sets of en standards. Cenelec en 614391 lowvoltage switchgear and controlgear.
There is a precise conformity on the content of the standard 61439 in the iec and en world of standards. Only two parts of the standard are information from abb necessary to determine all requirements. The compliance of an assembly is declared referring to the specific assembly standard e. Clauses of iec 61439 1 and iec 61439 2 that are not addressed within this specification shall remain fully applicable as written. Iec 61439 the new standard for lowvoltage switchgear and. Iec 61439 2, and the compliance with the general rules iec 61439 1 is always implicit. The sentence tta switchgear according to iec 604391 is now replaced by power switchgear and controlgear assemblies according to iec 614392, design. Regles generales international electrotechnical commission commission electrotechnique internationale xg ics 29. Assemblies shall comply with the relevant part of the iec 61439 series. Iec technical standards are powerful documents providing directions for specifications, tests and types of equipment which will be commercialized in the worldwide market. Where there is no direct corresponding iec 61439 clause, a new reference. The main 10 functions of standard iec 61439 all the verifications proposed by standard iec 61439 contribute to the achievement of 3 basic goals.
Verification of compliance with the general requirements of the iec 61439 1 standard and the relevant iec 61439 2. The international electrotechnical commission iec standards are legal requirements and market references for all electrical, electronic, and related technologies. This first edition of iec 614391 standard cancels and replaces the fourth edition of iec 604391. From that date bs en 60439 1 is withdrawn and bs en 61439 1 and bs en 61439 2 should be. From that date bs en 604391 is withdrawn and bs en 614391 and bs en 614392 should be. Significant technical changes with respect to the last edition of iec 60439 1. The general part 1 applies to switchgear, power distribution boards and control cabinets, while part 2 applies to power switchgear and controlgear assemblies. Skip to content show main menu navigation below close main menu navigation below. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. Commission iec and subsequently adopted into european en and national bs standards. This publication has been drafted in accordance with the iso iec directives, part 2. To give the priority to the users point of view, contrary to iectr 61439 0, and while remaining compatible with the iec 61439 standards, this guide is broken down according to 10 users functions as identified in 1. 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.
In january 2009, iec issued new standards for lowvoltage assemblies. New standard for lv switchgear, controlgear assemblies. This workbook contains general information and proposals for designing, planning and building low voltage switchgear and controlgear assemblies in compliance with the applicable laws, directives and provisions. Clauses of iec 614391 and iec 614392 that are not addressed within this specification shall remain fully applicable as written. 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.
Consequently this document uses the writing iec 61439 en 61439 in the following. This publication has been drafted in accordance with the isoiec directives, part 2. Assemblies for which the rated voltage does not exceed 1 000 v in case of a. Compared to the old standard, the new 61439 is a more clearly defined and takes into account the assembly of pretested designs. Note 1 throughout this standard, the term assembly see 3.
One of the main features of iec 614391 is that the discrimination between type tested assemblies tta and partially type tested assemblies ptta has been. This first edition of iec 61439 1 standard cancels and replaces the fourth edition of iec 60439 1. Iec 61439 standard for low voltage switchgear and controlgear. Your reference guide to safe and reliable lv switchboards.
One of the main features of iec 61439 1 is that the discrimination between type tested assemblies tta and partially type tested assemblies ptta has been. Iec 61439 the new standard for low voltage components iec decrease. This standard applies to lowvoltage switchgear and controlgear assemblies assemblies only when required by the relevant assembly standard as follows. They are meant as a check for compliance of an assembly with the requirements of the standard. The new standard iec 61439 introduces important modifications in comparison with the current standard iec 60439 on lowvoltage switchgear and controlgear assemblies. Significant technical changes with respect to the last edition of iec 604391. It should be noted that when a dated reference to iec 60439 1 is made in another part of the iec 60439 series of assembly standards not yet transferred into the new iec 61439 series, the superseded iec 60439 1 still applies see also the introduction below. To give the priority to the users point of view, contrary to iectr 614390, and while remaining compatible with the iec 61439 standards, this guide is broken down according to 10 users functions as identified in 1. Iec 61439 the new switchgear standard the new standard iec 61439 replaces the old 60439. Iec 61439 1 is general rules standard to be referred to by subsidiary product parts of iec 61439 series.
Standard title edition iec 61439 0 guideline april 20 iec 61439 1 general rules 08142011 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. The sentence tta switchgear according to iec 604391 is now replaced by power switchgear and. As a result manufacturers and testing bodies often treated. 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. Main changes the new iec 61439 includes the following significant technical changes. This standard cannot be used alone to specify an assembly or used for a purpose of determining conformity. The standard iec 61439 workbook lv switchgear and controlgear assembly in practice photo credit.
Iec panel regulation verification and validation insulator stepper motor. Implementation of standard iec 61439 socomec 7 original manufacturer assembly manufacturer inspector 10 shortcircuit withstand strength iec 614391 10. All the verifications proposed by standard iec 61439 contribute to the achievement of 3 basic goals. The new standard iec 61439 low voltage switchgear and. Eldon as empty enclosures supplier eldon enclosures must comply with the relevant requirements included in the standard iec 61439 for enclosures. This standard withdraws the previous standard iec 60439. The relationship between the two standards is shown in table 1. Important definitions to understand the standard are.
Introduction the new standard iec 61439 lowvoltage switchgear and control gear assemblies came into force in november 2014. Verification of compliance with the general requirements of the iec 614391 standard and the relevant iec 614392. Various equivalent methods are available according to the feature to be checked. Work book 2cpc 000 305 b0101 1 work book on the seminar delivered by abb the standard iec 61439 prepared by. Iec 61439 the rule is two parts for each type of assembly. Iec 61439 the new standard for low voltage components iec. Step 1 collecting all the project data step 2 assembly design and design verification step 3 assembly manufacture of the distribution. New standard for lv switchgear, controlgear assemblies the iec 61439, the new standard for lowvoltage lv switchgear and controlgear assemblies, was published in 2009 to harmonise and define all general requirements for lv electrical assemblies. General rules is classified in these ics categories. Iec 61439 standard for low voltage switchgear and controlgear iec 61439 standard for low voltage switchgear and controlgear assemblies. Project manager industrial components, member of sc 17d mt11 the new iec 61439 series, technical seminar, 10 november 2010, singapore 2 contents 1. What is a lowvoltage switchgear and controlgear assembly. To help the user of any assembly to the iec 61439 standards to properly specify his needs, this guide identifies the various data to be specified, including some of them not considered in iec 61439x, and explains the corresponding manufacturers commitments, especially through the information delivered with the assembly.
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