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IEC 63044-3 Ed. 1.0 b:2017 Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 3: Electrical safety requirements<br />
standard by International Electrotechnical Commission, 01/27/2017
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IEC63044-3:2017 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.NOTEAn example of other networks is a dedicated ICT network covered by IEC62949. This document is applicable to
operator stations and other humansystem interface devices,devices for management functions,control devices, automation stations and application-specific controllers,field devices and their interfaces, andcabling and interconnection of devicesused 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.Key words: Home automation, smart homes, smart cities