IEC 63044-3 Ed. 1.1 en:2021
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Home and building electronic systems (HBES) and building automation and control systems (BACS) – Part 3: Electrical safety requirements
This document specifies the electrical safety requirements for HBES/BACS.
In addition, it defines safety requirements for the interface of equipment intended to be connected to an HBES/BACS network. It does not apply to interfaces to other networks.
NOTE An example of other networks is a dedicated ICT network covered by IEC 62949.
This document covers the following requirements and compliance criteria:
– protection against hazards from the device;
– protection against overvoltages on the network;
– protection against touch current;
– protection against hazards caused by different types of network;
– protection of the communication wiring against overheating caused by excessive current.
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