Standard

NEK EN 50491-3:2009

May 2009 Withdrawn

Corrigendums and amendments are bought separately.

Language English

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Abstract

This European Standard provides the electrical safety requirements for all devices connected to HBES/BACS. This European Standard is applicable to – operator stations and other human system interface devices, – devices for management functions, – control devices, automation stations and application specific controllers, – field devices, – cabling and interconnection of devices. This European Standard covers the following requirements and compliance criteria: – protection from hazards in the device; – protection from overvoltages on the network; – protection from touch current; – protection from hazards caused by different type of circuits; – protection of the communication wiring from overheating caused by excessive current.

Document information

Standard from NEK
Published: 1 May 2009
Withdrawn: 19 January 2021
Edition: 2009-07
Version: 1
Document type: NAT
ISBN:

ICS 97.120
National Committee NEK/NK215

Legal references

EU law: 2006/95/EC

Product Relations

Replaced by: NEK EN IEC 63044-3:2018
Replaces: NEK EN 50090-2-2:1996
Adopted from: EN 50491-3:2009 , 0

NEK EN 50491-3:2009

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