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EN IEC 63044-3:2018 Standard

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  Keywords:

#devices #protection #network #specific #dedicated

  Directive

Low voltage (LVD) Directive (2014/35/EU)

  Last Official Journal reference

Tuesday 22nd of July 2025

  Description:

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

  Purpose

IEC 63044-3:2017 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. 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.

  Publication

Friday 14th of September 2018

  Reference

This standard supersedes the "EN 50491-3:2009"

  Related Standards

EN 61140:2002/A1:2006

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EN 61131-2:2007

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Programmable controllers - Part 2: Equipment requirements and tests

EN 61095:2009

Low voltage (LVD) Directive (2014/35/EU)

Electromechanical contactors for household and similar purposes

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