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

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

2021: CLC legacy converted by DCLab NISOSTS

Errichten von Niederspannungsanlagen - Teil 4-46: Schutzmaßnahmen - Trennen und Schalten

Installations électriques à basse tension - Partie 4-46 : Protection pour assurer la sécurité - Sectionnement et commande

Nizkonapetostne električne inštalacije - 4-46. del: Zaščitni ukrepi - Ločevanje in stikanje - Dopolnilo A11

General Information

• Status: Published
• Publication Date: 10-Aug-2017
• Withdrawal Date: 30-May-2020
• ICS: 29.120.50 - Fuses and other overcurrent protection devices
• ICS: 91.140.50 - Electricity supply systems
• Technical Committee: CLC/TC 64 - Electrical installations and protection against electric shock
• Drafting Committee: CLC/TC 64/WG 07 - Selection and erection of electrical equipment - Switchgear and controlgear
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 11-Aug-2017
• Completion Date: 11-Aug-2017
• Ref Project: SIST HD 60364-4-46:2017/A11:2017 - Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and switching

Relations

• Amends: HD 60364-4-46:2016 - Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and switching
• Effective Date: 23-Jan-2023

Overview

HD 60364-4-46:2016/A11:2017 is a CENELEC harmonization amendment that updates the European guidance for low-voltage electrical installations on protection for safety, with a focus on isolation and switching. Prepared by CLC/TC 64, the amendment A11 (approved 2017-05-31) modifies the Harmonization Document HD 60364-4-46:2016 and applies to national standards implementation across CENELEC members. Key bibliographic identifiers include ICS 29.120.50 and 91.140.50.

The document exists in English, French and German and sets implementation timelines (dop: 2018-05-31; dow: 2020-05-31). It provides normative guidance intended to ensure safe disconnection, isolation and switching in low-voltage systems and to coordinate national deviations where required.

Key Topics

• Scope: Protection for safety in low-voltage electrical installations with emphasis on isolation and switching functions.
• Amendment A11: Modifies HD 60364-4-46:2016; approved by CENELEC on 2017-05-31 and intended for national adoption by member bodies.
• National implementations: CENELEC members must follow internal regulations for implementation; the amendment includes recorded national deviations where applicable.
• Notable deviation (Denmark): The amendment adds A-deviations for Denmark, citing Executive Order no. 1082 (12 July 2016):
  • Electrical equipment must allow disconnection and isolation of installations, circuits or devices for operation, inspection, testing, maintenance and repair.
  • It must be possible to isolate each circuit from each live supply conductor; shared isolation is permitted under operating conditions.
  • Where immediate disconnection is required to avoid danger, an instantly recognisable and quickly operable emergency switch must be installed.

Applications

This harmonization amendment is primarily relevant for:

• Electrical designers ensuring compliance with European guidance on isolation and switching in low-voltage installations.
• Installers and operators performing maintenance, testing or emergency intervention who require clear rules for safe disconnection and emergency switching.
• National standards committees and regulators implementing harmonized rules or recording permitted deviations at national level.

Practical benefits include improved safety during maintenance and repair, clearer requirements for emergency disconnection, and harmonised expectations for device placement and operation across member states.

Related Standards

• HD 60364 series (foundation document for low-voltage installation safety and protection against electric shock).
• National electrotechnical regulations referenced by member bodies (example: Denmark’s Executive Order no. 1082/2016).
• Other CENELEC and IEC guidance on overcurrent protection, isolation devices and emergency switching arrangements.

Keywords: low-voltage, isolation, switching, protection for safety, HD 60364-4-46, amendment A11, CENELEC, emergency switch, national deviations.

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2017
1L]NRQDSHWRVWQHHOHNWULþQHLQãWDODFLMHGHO=DãþLWQLXNUHSL/RþHYDQMHLQ
VWLNDQMH'RSROQLOR$
Low-voltage electrical installations - Part 4-46: Protection for safety - Isolation and
switching
Errichten von Niederspannungsanlagen - Teil 4-46: Schutzmaßnahmen - Trennen und
Schalten
Installations électriques à basse tension - Partie 4-46 : Protection pour assurer la
sécurité - Sectionnement et commande
Ta slovenski standard je istoveten z: HD 60364-4-46:2016/A11:2017
ICS:
29.120.50 9DURYDONHLQGUXJD Fuses and other overcurrent
PHGWRNRYQD]DãþLWD protection devices
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

HARMONIZATION DOCUMENT HD 60364-4-46:2016/A11

DOCUMENT D'HARMONISATION
HARMONISIERUNGSDOKUMENT
August 2017
ICS 29.120.50; 91.140.50
English Version
Low-voltage electrical installations - Part 4-46: Protection for
safety - Isolation and switching
Installations électriques à basse tension - Partie 4-46 : Errichten von Niederspannungsanlagen - Teil 4-46:
Protection pour assurer la sécurité - Sectionnement et Schutzmaßnahmen - Trennen und Schalten
commande
This amendment A11 modifies the Harmonization Document HD 60364-4-46:2016; it was approved by CENELEC on 2017-05-31.
CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of
this amendment at national level.
Up-to-date lists and bibliographical references concerning such national implementations may be obtained on application to the CEN-
CENELEC Management Centre or to any CENELEC member.
This amendment exists in three official versions (English, French, German).
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotec
...