I.S. EN IEC 60947-3:2021/AC:2021-11
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units (IEC 60947-3:2020/COR1:2021)
Hardcopy , PDF
English
07-12-2021
05-08-2025
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and index of terms
4 Classification
5 Characteristics
6 Product information
7 Normal service, mounting and transport conditions
8 Constructional and performance requirements
9 Tests
Annex A (normative) Equipment for direct switching of a single motor
Annex B (informative) Items subject to agreement between manufacturer and user
Annex C (normative) Single pole operated three-pole switches
Annex D (normative) Switches, disconnectors, switch-disconnectors and fuse-combination units for use in photovoltaic (PV) DC applications
Annex E (normative) Additional requirements for LV switchgear intended for connection of aluminium conductors
Annex F (informative) Power loss
Bibliography
This part of IEC 60947 applies to switches, disconnectors, switch-disconnectors and fusecombination units and their dedicated accessories to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V AC or 1 500 V DC.
| Committee |
TC 121
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-8153-6
|
| Pages |
206
|
| ProductNote |
THIS STANDARD IS REFERS TO IEC 60227-3:1993/AMD1:1997,IEC 60617 The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN IEC 60947-3:2021/AC:2021-11 | Identical |
| IEC 60947-3:2020/COR1:2021 | Identical |
| EN IEC 60947-3:2021/AC:2021-11 | Equivalent |
| IEC 60364-7-712:2017 | Low voltage electrical installations - Part 7-712: Requirements for special installations or locations - Solar photovoltaic (PV) power supply systems |
| IEC 60227-3:1993+AMD1:1997 CSV | Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 3: Non-sheathed cables for fixed wiring |
| IEC 60947-2:2003 | Low-voltage switchgear and controlgear - Part 2: Circuit-breakers |
| IEC 60898-1:2015 | Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations - Part 1: Circuit-breakers for a.c. operation |
| IEC 60947-4-1:2018 RLV | Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters |
| IEC 60664-1:2007 | Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests |
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