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SCHEDA NORMA TECNICA

EN 61439-3

Low-voltage switchgear and controlgear assemblies
Part 3: Distribution boards intended to be operated by ordinary persons (DBO)

ANNO FASCICOLO EDIZIONE SCAME
2012-04 N201
       

European Standard

 

Sommario
(per gentile concessione CENELEC)

IEC 61439-3:2012 defines the specific requirements for distribution boards intended to be operated by ordinary persons (DBO).
DBOs have the following criteria:
- intended to be operated by ordinary persons (e.g. switching operations and replacing fuse-links), e.g. in domestic (household) applications;
- outgoing circuits contain protective devices, intended to be operated by ordinary persons, complying e.g. with IEC 60898-1, IEC 61008, IEC 61009, IEC 62423 and IEC 60269-3;
- rated voltage to earth does not exceed 300 V a.c.;
- rated current (Inc) of the outgoing circuits does not exceed 125 A and the rated current (InA) of the DBO does not exceed 250 A;
- intended for the distribution of electrical energy;
- enclosed, stationary;
- for indoor or outdoor use.

This first edition cancels and replaces the first edition of IEC 60439-3 (1990), Amendment 1 (1993) and Amendment 2 (2001).
It constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 60439-3 (including the amendments):
- alignment with IEC 61439-1:2011.

This publication is to be read in conjunction with IEC 61439-1:2011.

 



Norma in vigore







"CROSS REFERENCE"
by SCAME


Le principali normative
relazionate alla EN 61439-3


 

Corrispondenti norme europee
Nessun dato presente
 
Corrispondenti norme internazionali
Nessun dato presente
 
Ente normatore
CENELECEuropean Committee for Electrotechnical Standardization
[European Standard]
 
Altre norme CENELEC correlate
EN 60439-1 Low-voltage switchgear and controlgear assemblies (BT panels).
Part 1: Requirements for type-tested and partially type-tested assemblies
EN 60439-3 Low-voltage switchgear and controlgear assemblies.
Part 3: Particular requirements for low-voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use
Distribution boards
EN 60439-4 Low-voltage switchgear and controlgear assemblies (BT panels).
Part 4: Particular requirements for assemblies for construction sites (ASC)
EN 61439-1 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
EN 61439-2 Low-voltage switchgear and controlgear assemblies
Part 2: Power switchgear and controlgear assemblies
Remains Current
EN 61439-3 Low-voltage switchgear and controlgear assemblies
Part 3: Distribution boards intended to be operated by ordinary persons (DBO)
EN 61439-4 Low-voltage switchgear and controlgear assemblies
Part 4: Particular requirements for assemblies for construction sites (ACS)
 
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