Cover DIN EN 50491-3 VDE 0849-3:2010-03

DIN EN 50491-3 VDE 0849-3:2010-03

* German Language Version *

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)

Part 3: Electrical safety requirements;

German version EN 50491-3:2009
Class/Status: Standard, withdrawn
Released: 2010-03
VDE Art. No.: 0849000


This European Standard provides the electrical safety requirements for all devices connected to HBES/BACS and shall be used in conjunction with relevant product safety standards. It 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 and cabling and interconnection of devices.
This European Standard covers requirements and compliance criteria for 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 and protection of the communication wiring from overheating caused by excessive current.