Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses

The scope of IEC 61008-1 and IEC 61009-1 applies with the following additions. IEC 62423:2009 specifies requirements and tests for Type F and Type B RCDs (Residual Current Devices). Requirements and tests given in this standard are in addition to the requirements of Type A residual current devices. This standard can only be used together with IEC 61008-1 and IEC 61009-1. Type F RCCBs (Residual Current Circuit Breaker) and Type F RCBOs (Residual current Circuit Breaker with Overcurrent protection) with rated frequency 50 Hz or 60 Hz are intended for installations when frequency inverters are supplied between phase and neutral or phase and earthed middle conductor and are able to provide protection in case of alternating residual sinusoidal at the rated frequency, pulsating direct residual currents and composite residual currents that may occur. Type B RCCBs and Type B RCBOs are able to provide protection in case of alternating residual sinusoidal currents up to 1 000 Hz, pulsating direct residual currents and smooth direct residual currents. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main changes from the first edition are as follows:
- requirements and tests for Type F RCD have been introduced;
- requirements and test for two-pole Type B RCD have been introduced;
- new additional requirements and tests for Type B RCDs have been introduced to cover requirements for Type F too. The contents of the corrigendum of December 2011 have been included in this copy.

Interrupteurs automatiques à courant différentiel résiduel de type B et de type F avec et sans protection contre les surintensités incorporée pour usages domestiques et analogues

Les domaines d'application de la CEI 61008-1 et de la CEI 61009-1 s'appliquent avec les additions suivantes. La CEI 62423:2009 spécifie les exigences et les essais pour les DDR (dispositif de protection à courant différentiel résiduel) de Type B et de Type F. Les exigences et les essais donnés dans la présente norme complètent les exigences des dispositifs à courant différentiel résiduel de Type A. La présente norme ne peut être utilisée que conjointement à la CEI 61008-1 et à la CEI 61009-1. Les ID (interrupteur différentiel sans protection contre les surintensités incorporée) de Type F et les DD (interrupteur différentiel avec protection contre les surintensités incorporée) de Type F de fréquence assignée 50 Hz ou 60 Hz sont destinés à des installations dans lesquelles les convertisseurs de fréquence sont alimentés entre phase et neutre ou entre phase et conducteur milieu mis à la terre et sont aptes à assurer la protection en cas d'apparition de courant différentiel alternatif sinusoïdal à la fréquence assignée, de courant différentiel continu pulsé et de courant différentiel composé. Les ID de Type B et les DD de Type B sont aptes à assurer la protection en cas de courants différentiels résiduels alternatifs sinusoïdaux jusqu'à 1 000 Hz, de courants différentiels résiduels continus pulsés et de courants différentiels résiduels continus lissés. Cette deuxième édition annule et remplace la première édition publiée en 2007 dont elle constitue une révision technique. Les changements par rapport à la première édition sont les suivants:
- des exigences et essais ont été introduits pour le DDR de Type F;
- des exigences et essais ont été introduits pour le DDR à deux pôles de Type B;
- de nouvelles exigences et de nouveaux essais supplémentaires pour les DDR de Type B ont été introduits pour couvrir aussi les exigences et essais pour le Type F. Le contenu du corrigendum de décembre 2011 a été pris en considération dans cet exemplaire.

General Information

Status
Published
Publication Date
19-Nov-2009
Current Stage
PPUB - Publication issued
Start Date
20-Nov-2009
Completion Date
20-Nov-2009
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IEC 62423
Edition 2.0 2009-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Type F and type B residual current operated circuit-breakers with and without
integral overcurrent protection for household and similar uses

Interrupteurs automatiques à courant différentiel résiduel de type B et de type F

avec et sans protection contre les surintensités incorporée pour usages
domestiques et analogues
IEC 62423:2009
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
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---------------------- Page: 2 ----------------------
IEC 62423
Edition 2.0 2009-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Type F and type B residual current operated circuit-breakers with and without
integral overcurrent protection for household and similar uses

Interrupteurs automatiques à courant différentiel résiduel de type B et de type F

avec et sans protection contre les surintensités incorporée pour usages
domestiques et analogues
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX
ICS 29.120; 29.120.50 ISBN 978-2-88910-700-1
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 62423 © IEC:2009
CONTENTS

FOREWORD...........................................................................................................................5

INTRODUCTION.....................................................................................................................7

1 Scope...............................................................................................................................8

2 Normative references .......................................................................................................8

3 Terms and definitions .......................................................................................................9

4 Classification....................................................................................................................9

4.1 According to behaviour in presence of d.c. components ..........................................9

5 Characteristics ...............................................................................................................10

5.1 Type F residual current device ..............................................................................10

5.2 Type B residual current device ..............................................................................10

5.2.1 General .....................................................................................................10

5.2.2 Standard values of break time and non-actuating time for residual
direct currents which result from rectifying circuits and for residual

smooth direct current.................................................................................10

5.2.3 Values of tripping current according to frequencies which differ from

the rated frequency 50/60 Hz.....................................................................11

6 Marking and other product information............................................................................11

6.1 Marking for Type F RCDs ......................................................................................11

6.2 Marking for Type B RCDs......................................................................................11

7 Standard conditions for operation in service and for installation......................................11

8 Conditions for construction and operation.......................................................................12

8.1 Conditions for Type F and Type B RCDs − Requirements for operation in
case of sinusoidal residual currents comprising of multi-frequency

components resulting from control equipment supplied from single phase .............12

8.2 Conditions for Type B RCDs..................................................................................12

8.2.1 Operation in response to the type of residual current.................................12

8.3 Behaviour of Type F and Type B RCDs .................................................................13

8.3.1 Behaviour of RCDs in the case of surge residual currents .........................13

8.3.2 Behaviour of RCDs in the case of inrush residual currents.........................14

8.3.3 Behaviour in case of residual pulsating direct currents in presence of

a standing smooth direct current of 0,01 A.................................................14

9 Tests ..............................................................................................................................14

9.1 Tests for Type F and Type B RCDs .......................................................................14

9.1.1 General .....................................................................................................14

9.1.2 Verification of the correct operation in case of a steady increase of

composite residual current.........................................................................14

9.1.3 Verification of the correct operation in case of sudden appearance of

composite residual current.........................................................................15

9.1.4 Verification of the correct operation for four-pole Type F RCD

powered on two poles only ........................................................................15

9.1.5 Verification of behaviour at surge currents up to 3 000 A (8/20 μs

surge current test) .....................................................................................15

9.1.6 Verification of behaviour in the case of inrush residual currents.................16

9.1.7 Verification of the correct operation in case of residual pulsating
direct currents in presence of a standing smooth direct current of

0,01 A .......................................................................................................16

9.2 Tests for Type B RCDs..........................................................................................16

---------------------- Page: 4 ----------------------
62423 © IEC:2009 – 3 –
9.2.1 Verification of the operating characteristic at the reference

temperature (20 ± 5) °C............................................................................16

9.2.2 Tests at the temperature limits ..................................................................19

9.2.3 Verification of the correct operation for three- and four-pole Type B

RCDs powered on two poles only ..............................................................19

9.2.4 Verification of the RCD after test sequences..............................................19

Annex A (normative) Number of samples to be submitted and test sequences to be

applied for verification of conformity for type F RCCBs .........................................................28

Annex B (normative) Number of samples to be submitted and test sequences to be

applied for verification of conformity for Type F RCBOs ........................................................30

Annex C (normative) Number of samples to be submitted and test sequences to be

applied for verification of conformity for Type B RCCBs ........................................................32

Annex D (normative) Number of samples to be submitted and test sequences to be

applied for verification of conformity for Type B RCBOs ........................................................34

Annex E (normative) Routine tests for Type F and Type B RCDs .........................................36

Bibliography..........................................................................................................................37

Figure 1 – Example of a test circuit for the verification of correct operation in case of

residual sinusoidal alternating currents composed of multi-frequency components

resulting from single-phase supplied speed motor control equipment ....................................20

Figure 2 – Test circuit for the verification of the behaviour of the RCD in case of inrush

residual currents ...................................................................................................................21

Figure 3 – Test circuit for the verification of correct operation in case of residual

sinusoidal alternating current up to 1 000 Hz ........................................................................22

Figure 4 – Test circuit for 2-, 3- and 4-pole Type B RCD to verify the correct operation

in case of a residual alternating current superimposed on a smooth direct current ...............23

Figure 5 – Test circuit for 2-, 3- and 4-pole Type B RCD to verify the correct operation

in case of a residual pulsating direct current superimposed on a smooth direct current........24

Figure 6a – Test circuit for 2-, 3- and 4-pole Type B to verify the correct operation in

case of residual pulsating direct currents which may result from rectifying circuits

supplied from two phases .....................................................................................................25

Figure 6b – Test circuit for 3- and 4-pole Type B RCD to verify the correct operation in

case of residual pulsating direct currents which may result from rectifying circuits

supplied from three phases...................................................................................................26

Figure 6 – Test circuit for Type B RCD to verify the correct operation in case of

residual pulsating direct currents which may result from rectifying circuits ...........................26

Figure 7 – Test circuit for 2-, 3- and 4-pole Type B RCD to verify the correct operation

in case of a residual smooth direct current............................................................................27

Table 1 – Type B RCDs – Standard values of break time and non-actuating time for

residual direct currents which result from rectifying circuits and for residual smooth

direct current ........................................................................................................................10

Table 2 – Type B RCDs – Residual non-operating and operating current according to

frequencies which differ from the rated frequency 50/60 Hz ..................................................11

Table 3 – Different frequency component values of test currents and starting current

values (I ) for verifying the operating in case of steady increased residual current................14

Table 4 – Operating current ranges for composite residual current .......................................15

Table A.1 – Test sequences for Type F RCCBs ....................................................................29

Table B.1 – Test sequences for Type F RCBOs ....................................................................31

Table C.1 – Test sequences for Type B RCCBs ....................................................................32

---------------------- Page: 5 ----------------------
– 4 – 62423 © IEC:2009

Table D.1 – Test sequences for Type B RCBOs....................................................................34

---------------------- Page: 6 ----------------------
62423 © IEC:2009 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
TYPE F AND TYPE B RESIDUAL CURRENT OPERATED
CIRCUIT-BREAKERS WITH AND WITHOUT INTEGRAL OVERCURRENT
PROTECTION FOR HOUSEHOLD AND SIMILAR USES
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 62423 has been prepared by subcommittee 23E: Circuit-breakers

and similar equipment for household use, of IEC technical committee 23: Electrical

accessories.

This second edition cancels and replaces the first edition published in 2007 and constitutes a

technical revision. The main changes from the first edition are as follows:
– requirements and tests for Type F RCD have been introduced;
– requirements and tests for two-pole Type B RCD have been introduced;

– new additional requirements and tests for Type B RCDs have been introduced to cover

requirements and tests for Type F too.
---------------------- Page: 7 ----------------------
– 6 – 62423  IEC:2009
The text of this standard is based on the following documents:
FDIS Report on voting
23E/679/FDIS 23E/684/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

This International Standard is to be read in conjunction with the following standards:

IEC 61008-1:1996, Residual current operated circuit-breakers without integral overcurrent

protection for household and similar uses (RCCBs) – Part 1: General rules

IEC 61009-1:1996, Residual current operated circuit-breakers with integral overcurrent

protection for household and similar uses (RCBOs) – Part 1: General rules

The committee has decided that the contents of this publication will remain unchanged until

the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in

the data related to the specific publication. At this date, the publication will be

• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

The contents of the corrigendum of December 2011 have been included in this copy.

---------------------- Page: 8 ----------------------
62423 © IEC:2009 – 7 –
INTRODUCTION

RCCBs and RCBOs designed according to IEC 61008-1 and IEC 61009-1 are suitable in most

of the applications. IEC 61008-1 and 61009-1 provide appropriate requirements and tests for

general use in household and similar uses. However, the use of new electronic technology in

equipment may result in particular residual currents not covered in IEC 61008-1 or

IEC 61009-1. This standard covers specific applications where additional requirements and

testing are needed.

This standard includes definitions, additional requirements and tests for Type F and Type B

RCCBs and/or RCBOs to cover particular situations.

The tests shall first be applied according to IEC 61008-1 for Type F or Type B RCCBs and

according to IEC 61009-1 for Type F or Type B RCBOs.

After completion of the tests given either in IEC 61008-1 or IEC 61009-1 the additional tests

given in this standard shall be applied in order to show conformity to this standard (see

Annex A, Annex B for Type F or Annex C, Annex D for Type B respectively).

The number of samples to be submitted and test sequences to be applied for verification of

conformity for Type F RCCBs and Type F RCBOs are given in Annex A and Annex B
respectively.

The number of samples to be submitted and test sequences to be applied for verification of

conformity for Type B RCCBs and Type B RCBOs are given in Annex C and Annex D
respectively.

This standard introduces Type F RCDs (F for Frequency) with rated frequency 50 Hz or 60 Hz

intended for protection of circuits with frequency inverters supplied between phase and

neutral or phase and earthed middle conductor taking into account the necessary features for

these particular situations in addition to the cases covered by type A RCDs. Type F RCDs

cannot be used where electronic equipment with double bridge rectifiers supplied from two phases is

found or if a smooth d.c. residual current can occur.

In case of a frequency inverter, e.g. used for motor speed control, supplied between phase

and neutral, a composite residual current including the power frequency, the motor frequency

and the chopper clock frequency of the frequency inverter may occur in addition to alternating

or pulsating d.c. residual currents.

This standard introduces Type B RCDs to be used in case of residual pulsating rectified direct

current which results from one or more phases, and smooth d.c. residual current in addition to

the cases covered by Type F RCDs. For these applications, two, three or four pole Type B

RCDs can be used.
---------------------- Page: 9 ----------------------
– 8 – 62423  IEC:2009
TYPE F AND TYPE B RESIDUAL CURRENT OPERATED
CIRCUIT-BREAKERS WITH AND WITHOUT INTEGRAL OVERCURRENT
PROTECTION FOR HOUSEHOLD AND SIMILAR USES
1 Scope
The scope of IEC 61008-1 and IEC 61009-1 applies with the following additions.

This standard specifies requirements and tests for Type F and Type B RCDs (Residual

Current Devices). Requirements and tests given in this standard are in addition to the

requirements of Type A residual current devices. This standard can only be used together

with IEC 61008-1 and IEC 61009-1.

Type F RCCBs (Residual Current Circuit Breaker) and Type F RCBOs (Residual current

Circuit Breaker with Overcurrent protection) with rated frequency 50 Hz or 60 Hz are intended

for installations when frequency inverters are supplied between phase and neutral or phase

and earthed middle conductor and are able to provide protection in case of alternating

residual sinusoidal at the rated frequency, pulsating direct residual currents and composite

residual currents that may occur.

Type B RCCBs and Type B RCBOs are able to provide protection in case of alternating

residual sinusoidal currents up to 1 000 Hz, pulsating direct residual currents and smooth

direct residual currents.

RCDs according to this standard are not intended to be used in d.c. supply systems.

Further requirements and tests for products to be used in situations where the residual

current was not intended to be covered in IEC 61008-1 or IEC 61009-1 are under
consideration.

For the purpose of manufacturer’s declaration or verification of conformity, type tests should

be carried out in test sequences in compliance with Annex A, Annex B, Annex C or Annex D

of this standard.

The complete test sequence for type test of Type F RCCBs and Type F RCBOs is given in

Tables A.1 and B.1 respectively. The complete test sequence for type test of Type B RCCBs

and Type B RCBOs is given in Tables C.1 or D.1 respectively.
NOTE 1 Throughout the document, the term RCD refers to RCCBs and RCBOs.
NOTE 2 Requirements for 1 pole with solid neutral are under consideration.

NOTE 3 Type F and type B RCDs have high resistance against unwanted tripping, even if the surge voltage

causes a flashover and a follow-on current occurs, and in case of inrush residual currents with a maximum duration

of 10 ms which can occur in case of switching ON electronic equipment or EMC-filters.

2 Normative references

The following referenced documents are indispensable for the application of this document.

For dated references, only the edition cited applies. For undated references, the latest edition

of the referenced document (including any amendments) applies.
---------------------- Page: 10 ----------------------
62423  IEC:2009 – 9 –

IEC 61008-1:1996, Residual current operated circuit-breakers without integral overcurrent

protection for household and similar uses (RCCBs) – Part 1: General rules
Amendment 1 (2002)
Amendment 2 (2006)

IEC 61009-1:1996, Residual current operated circuit-breakers with integral overcurrent

protection for household and similar uses (RCBOs) – Part 1: General rules
Amendment 1 (2002)
Amendment 2 (2006)

IEC/TS 60479-1, Effects of current on human beings and livestock – Part 1: General aspects

IEC/TS 60479-2, Effects of current on human beings and livestock – Part 2: Special aspects

3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
smooth direct current
a direct current which is ripple free
3.2
Type B residual current device

residual current device for which tripping is ensured as for Type F according to this standard

and in addition:
– for residual sinusoidal alternating currents up to 1 000 Hz,
– for residual alternating currents superimposed on a smooth direct current
– for residual pulsating direct currents superimposed on a smooth direct current

– for residual pulsating rectified direct current which results from two or more phases

– for residual smooth direct currents whether suddenly applied or slowly increased

independent of polarity
3.3
Type F residual current device

residual current device for which tripping is ensured as for Type A according to IEC 61008-1

or IEC 61009-1, as applicable, and in addition:

– for composite residual currents, whether suddenly applied or slowly rising intended for

circuit supplied between phase and neutral or phase and earthed middle conductor

– for residual pulsating direct currents superimposed on smooth direct current
4 Classification

According to IEC 61008-1 or IEC 61009-1, as applicable with the following addition:

4.1 According to behaviour in presence of d.c. components
– Type F RCDs
– Type B RCDs
—————————

A consolidated edition (2.2) exists including IEC 61008-1 (1996), its Amendment 1 (2002) and Amendment 2

(2006).

A consolidated edition (2.2) exists including IEC 61009-1 (1996), its Amendment 1 (2002) and Amendment 2

(2006).
---------------------- Page: 11 ----------------------
– 10 – 62423 © IEC:2009
5 Characteristics
5.1 Type F residual current device

Residual current device for which tripping is ensured as for Type A according to IEC 61008-1

or IEC 61009-1, as applicable, and in addition,

– for composite residual currents, whether suddenly applied or slowly rising intended for

circuit supplied between phase and neutral or phase and earthed middle conductor (see

8.1);

– and for residual pulsating direct currents superimposed on smooth direct current of 0,01 A

(see 8.3.3).
The above specified residual currents may be suddenly applied or slowly rising.
5.2 Type B residual current device
5.2.1 General

Residual current device for which tripping is ensured as for Type F and in addition

− for residual sinusoidal alternating currents up to 1 000 Hz (see 8.2.1.1),

− for residual alternating currents superimposed on a smooth direct current of 0,4 times the

rated residual current (I ) (see 8.2.1.2),
− for residual pulsating direct currents superimposed on a sm
...

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