CENELEC - EN 50491-3
General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 3: Electrical safety requirements
| Organization: | CENELEC |
| Publication Date: | 1 July 2009 |
| Status: | inactive |
| Page Count: | 22 |
| ICS Code (Automatic controls for household use): | 97.120 |
scope:
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.
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