{"id":3799,"date":"2023-01-04T17:50:55","date_gmt":"2023-01-04T16:50:55","guid":{"rendered":"https:\/\/www.gt-engineering.it\/normative-tecniche\/%tipologia_normativa%\/en-61439-22119556196\/"},"modified":"2023-06-28T14:11:29","modified_gmt":"2023-06-28T13:11:29","slug":"en-61439-22119556196","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/en\/technical-standards\/en-iec-standards\/en-61439-22119556196\/","title":{"rendered":"EN IEC 61439-2: Power switchgear and controlgear assemblies"},"content":{"rendered":"\n\n \n \n \n
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The purpose of the standard EN IEC 61439-2<\/strong> (low-voltage switchgear and controlgear assemblies)<\/em> is to harmonize as far as practicable all rules and requirements of a general nature applicable to low-voltage switchgear and controlgear assemblies (focus on power center) in order to obtain uniformity of requirements and verification for assemblies and to avoid the need for verification to other standards. <\/p>\n

 <\/p>\n

EN IEC 61439-1 includes all prescriptions which could be considered common.
For each type of assembly that falls on this series of Standard, only two main standards are necessary: <\/p>\n

–    EN IEC 61439-1: General rules
–    The specific assembly standard (Part 2; 3; 4; 5; 6).<\/p>\n

 <\/p>\n

The EN IEC 61439 includes the following parts:
a)    IEC 61439-1: General rules
b)    IEC 61439-2: Power switchgear and controlgear assemblies
c)    IEC 61439-3: Distribution boards
d)    IEC 61439-4: Assemblies for construction sites
e)    IEC 61439-5: Assemblies for power distribution
f)    IEC 61439-6: Busbar trunking system<\/p>\n

This part of the IEC 61439 series lays down the definitions and states the service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and controlgear assemblies. An assembly could not be certified to this only standard because it is not “complete”: it needs one of the other 5 standards. For example, EN IEC 61439-2<\/strong> is the product standard for switchgear<\/strong>, which relies considerably on EN IEC 61439-1.  <\/p>\n

The EN IEC 61439-1 applies to low-voltage switchgear and controlgear assemblies only when required by the relevant assembly standard as follows: 
–    Assemblies for which the rated voltage does not exceed 1000 V of a.c. or 1500 V in case of d.c.; 
–    Stationary or movable assemblies with or without enclosure; 
–    Assemblies designed for use in connection with the generation, transmission, distribution and conversion of electric energy, and for the control of electric energy consuming equipment;
–    Assemblies designed for use under special service condition, for example in ships and in rail vehicles provided that the other relevant specific requirements are complied with; 
–    Assemblies designed for electrical equipment of machines provided that the other relevant specific requirements are complied with<\/strong>. 
This standard applies to all assemblies whether they are designed, manufactured and verified on a one-off basis or fully standardized and manufactured in quantity. 
 <\/p>\n<\/div> <\/div>\n \n \n

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