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EVS-HD 60364-4-442:2012

Low-voltage electrical installations - Part 4-442: Protection for safety - Protection of low-voltage installations against temporary overvoltages due to earth faults in the high-voltage system and due to faults in the low voltage system

General information
Valid from 03.02.2012
Base Documents
IEC 60364-4-44:2007; HD 60364-4-442:2012; HD 60364-4-442:2012/AC:2012
Directives or regulations
None
Standard history
Status
Date
Type
Name
05.06.2012
Corrigendum
03.02.2012
Main + corrigendum
06.09.2010
Corrigendum
01.06.2003
Main
The rules of this clause provide requirements for the safety of low-voltage installation in the event of – a fault between the high-voltage system and earth in the transformer substation that supplies the low-voltage installation, – a loss of the supply neutral in the low-voltage system, – a short-circuit between a line conductor and neutral, – an accidental earthing of a line conductor of a low-voltage IT-system. The requirements for the earthing arrangement at the transformer substation are given in IEC 61936-1.
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Standard monitoring
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