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IEC 63024:2017

(Main)

Requirements for automatic reclosing devices (ARDs) for circuit breakers, RCBOs-RCCBs for household and similar uses

Requirements for automatic reclosing devices (ARDs) for circuit breakers, RCBOs-RCCBs for household and similar uses

IEC 63024:2017 applies to automatic reclosing devices (ARDs) for household and similar uses, for rated voltage not exceeding 440 V AC, and which are intended to be used in combination with circuit-breakers, RCCBs and RCBOs, and designed either for factory assembly or for assembly on site.
These devices are intended to reclose main protective devices (MPDs) such as circuit-breakers complying with IEC 60898-1 and/or IEC 60898-2, RCCBs complying with IEC 61008-1 and/or IEC 62423, and RCBOs complying with IEC 61009-1 and/or IEC 62423 after tripping of those devices in order to re-establish continuity of service.

Exigences pour les dispositifs à refermeture automatique (DRA) pour disjoncteurs, ID et DD, pour usages domestiques et analogues

L'IEC 63024:2017 s’applique aux dispositifs de refermeture automatique (DRA) pour usages domestiques et analogues, à des tensions assignées de 440 V c.a au maximum, et qui sont destinés à être utilisés conjointement avec des disjoncteurs, des ID et des DD. Ces dispositifs sont conçus pour un montage en usine ou sur site.
Ces dispositifs sont destinés à refermer des dispositifs de protection principaux (DPP) tels que les disjoncteurs conformes à l’IEC 60898-1 et/ou à l’IEC 60898-2, les ID conformes à l’IEC 61008-1 et/ou à l’IEC 62423, ainsi que les DD conformes à l’IEC 61009-1 et/ou à l’IEC 62423 après un déclenchement de ces dispositifs, afin de rétablir la continuité du service.

General Information

Status
Published
Publication Date
12-Dec-2017
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
29.120.50 - Fuses and other overcurrent protection devices
Technical Committee
SC 23E - Circuit-breakers and similar equipment for household use
Current Stage
PPUB - Publication issued
Start Date
05-Jan-2018
Completion Date
13-Dec-2017
Ref Project

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IEC 63024:2017 - Requirements for automatic reclosing devices (ARDs) for circuit breakers, RCBOs-RCCBs for household and similar usesIEC 63024:2017 - Requirements for automatic reclosing devices (ARDs) for circuit breakers, RCBOs-RCCBs for household and similar uses
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IEC 63024:2017 - Requirements for automatic reclosing devices (ARDs) for circuit breakers, RCBOs-RCCBs for household and similar uses
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IEC 63024 ®
Edition 1.0 2017-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Requirements for automatic reclosing devices (ARDs) for circuit-breakers,
RCBOs and RCCBs for household and similar uses

Exigences pour les dispositifs à refermeture automatique (DRA) pour
disjoncteurs, ID et DD, pour usages domestiques et analogues
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IEC 63024 ®
Edition 1.0 2017-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Requirements for automatic reclosing devices (ARDs) for circuit-breakers,

RCBOs and RCCBs for household and similar uses

Exigences pour les dispositifs à refermeture automatique (DRA) pour

disjoncteurs, ID et DD, pour usages domestiques et analogues

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.50 ISBN 978-2-8322-5132-4

– 2 – IEC 63024:2017 © IEC 2017
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 11
4 Classification . 13
4.1 According to the method of construction . 13
4.2 According to the associated MPD . 13
4.3 According to the type of assessment means . 13
4.4 According to the safety means during the assessment . 14
4.5 According to the connection to FE . 14
4.6 According to maximum number of reclosing operations . 14
4.7 According to mechanical interlock between MPD operating means and ARD
enabling/disabling system . 14
5 Characteristics . 14
5.1 Summary of characteristics . 14
5.2 Rated quantities . 14
5.2.1 Rated voltage . 14
5.2.2 Rated operational voltage (U ) . 15
e
5.2.3 Rated frequency . 15
5.2.4 Rated non-operating resistance to earth (R ) . 15
d0
5.2.5 Rated operating resistance to earth (R ) . 15
d
5.2.6 Rated non-operating resistance between live parts (R ) . 15
cc0
5.2.7 Rated operating resistance between live parts (R ) . 16
cc
6 Marking and other product information . 16
6.1 Standard marking . 16
6.2 Instructions for assembly and operation . 17
7 Standard conditions for operation in service . 18
7.1 General . 18
7.2 Conditions of installation . 18
7.3 Pollution degree . 18
8 Requirements for construction and operation . 18
8.1 Mechanical design . 18
8.1.1 General . 18
8.1.2 Mechanism . 19
8.1.3 Clearances and creepage distances . 20
8.1.4 Clearances and creepage distances for electronic circuits connected
between live parts or between live parts and the earth . 20
8.1.5 Screws, current-carrying parts and connections . 22
8.1.6 Terminals for external conductors . 22
8.2 Protection against electric shock. 22
8.3 Dielectric properties and isolating capability . 23
8.4 Temperature rise . 23
8.5 Mechanical and electrical endurance . 23
8.6 Performance at short-circuit currents . 23
8.7 Resistance to mechanical shock and impact. 23

8.8 Resistance to heat. 23
8.9 Resistance to abnormal heat and to fire . 24
8.10 Operating characteristics . 24
8.11 Assessment means for ARD according to 4.3.2 . 25
8.11.1 General . 25
8.11.2 Assessment means operating by limitation of the test voltage . 25
8.11.3 Assessment means operating by limitation of the test current . 25
8.12 Safety in blocked condition . 26
8.13 Test device . 26
8.14 Ageing . 26
8.15 Electromagnetic compatibility (EMC). 26
9 Tests . 26
9.1 General . 26
9.2 Test condition . 26
9.3 Measurement of the reclosing time after the tripping of the MPD . 27
9.4 Test of indelibility of marking . 27
9.5 Verification of the non-influence of the ARD on the correct operation of the
MPD . 27
9.5.1 Verification of the operating characteristics of the MPD . 27
9.5.2 Verification of the impossibility of the activation of the ARD when the
MPD has been manually opened . 28
9.5.3 Verification of the enabling/disabling system of the ARD. 28
9.5.4 Verification of the maximum number of consecutive reclosings . 28
9.6 Tests of creepage distances and clearances for electronic circuits (abnormal
condi
...

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