HD 60364-4-46:2016 PDF

Name: HD 60364-4-46:2016 — Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and switching
SKU: HD 60364-4-46:2016
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Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and switching

Название (английский):

HD 60364-4-46:2016

Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and switching

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 11
Дата публикации:: 11 ноября 2016 г.
Издание:: CENELEC HD 60364 edition 2 version 1
ICS:: 29.120.50

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Цена:165 €

Описание (английский):

This Harmonization Document deals with – non-automatic local and remote isolation and switching measures which prevent or remove dangers associated with electrical installations or electrically powered equipment; and – switching for the control of circuits or equipment.

Abstract

Overview

Key Topics

1. Isolation

Every electrical installation must include means for isolation from each supply source.
Each circuit should have provisions for isolation of all live conductors, unless specific exemptions apply (such as PEN conductors in TN-C systems).
Measures should be in place to prevent unwanted or unintentional energization, including discharge means for residual energy.

2. Functional Switching (Control)

Functional switching must be available for each part of a circuit requiring independent control.
Devices do not always need to switch all live conductors; however, specific restrictions apply, especially concerning neutral conductors.
Functional switches may be used for simultaneous control of multiple current-using devices if required.

3. Motor Control

Motor circuits must prevent unintentional or hazardous restarting after loss of supply.
Earth faults or phase reversal should be managed to prevent dangerous operation or equipment damage.

4. Switching Off for Mechanical Maintenance

Means must be provided for switching off equipment where mechanical maintenance poses a risk of physical injury. This should disconnect all live conductors and prevent unintentional reactivation unless continuously supervised.

5. Emergency Switching Off

Installations must include clearly defined means for emergency switching off to control supplies and eliminate hazard rapidly.
Emergency switching must disconnect all live conductors and be designed so that operation does not introduce further risks.

Applications

HD 60364-4-46:2016 is applicable to a broad range of low-voltage electrical installations, including:

Residential, commercial, and industrial buildings
Electrical distribution boards and switchboards
Machinery and equipment control panels
Facilities requiring emergency power isolation, such as hospitals, schools, and public venues

Its application ensures:

Enhanced electrical safety through proper isolation and switching arrangements
Compliance with European safety regulations for low-voltage installations
Reliable operation and maintenance of electrical systems
Fast and effective functional or emergency control of power circuits

Key benefits include improved protection for personnel, minimized risk of electrical accidents, and ensuring installations meet harmonized European safety criteria.

Related Standards

For comprehensive implementation, HD 60364-4-46:2016 cross-references several related standards in the HD 60364 series, such as:

HD 60364-4-41: Protection against electric shock
HD 60364-5-53: Selection and erection of electrical equipment - Switchgear and controlgear
HD 60364-5-557: Selection and erection of electrical equipment - Auxiliary circuits

Following these standards ensures effective coordination between electrical equipment selection, installation, isolation, switching, and overall system safety.

Keywords: low-voltage electrical installations, isolation, switching, electrical safety, CENELEC, HD 60364-4-46, emergency switching, functional switching, electrical circuits, electrical equipment protection.

Технические детали

Технический комитет: CLC/TC 64 - Electrical installations and protection against electric shock
SKU: HD 60364-4-46:2016

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Каталог

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HD 543.2 S1:1995

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HD 60364-4-46:2016 PDF

Abstract

Overview

Похожие стандарты

Key Topics

Applications

Related Standards

Технические детали

IEC 60364-5-55:2011/AMD2:2016

Amendment 2 - Electrical installations of buildings - Part 5-55: Selection and erection of electrical equipme…

HD 60364-4-46:2016/A11:2017

Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and switching

HD 543.2 S1:1995

Performance and testing of teleprotection equipment of power systems - Part 2: Analogue comparison systems