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IEC 63044-3

1st Edition, January 2017

Complete Document

Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 3: Electrical safety requirements

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Description / Abstract:

This part of IEC 63044 provides the electrical safety requirements related to the HBES/BACS network in addition to the product safety standards for HBES/BACS devices.

It also applies to devices used within an HBES/BACS network for which no specific HBES/BACS product safety standard exists.

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 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 their interfaces, and

– cabling and interconnection of devices

used within a dedicated HBES/BACS network.

This document 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 types of circuit;

• protection of the communication wiring from overheating caused by excessive current.