Residual current operated circuit-breakers for household and similar use - Part 3-2: Particular requirements for RCDs with flat quick-connect terminations

IEC 62873-3-2:2016(E) applies to RCDs equipped with flat quick-connect terminations consisting of a male tab (see 3.2) with nominal width 6,3 mm and thickness 0,8 mm, to be used with a mating female connector for connecting electrical copper conductors according to the manufacturer's instructions, for rated currents up to and including 16 A.

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Published
Publication Date
06-Sep-2016
Current Stage
DELPUB - Deleted Publication
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25-Jan-2019
Completion Date
20-Nov-2020
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IEC 62873-3-2:2016 - Residual current operated circuit-breakers for household and similar use - Part 3-2: Particular requirements for RCDs with flat quick-connect terminations
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IEC 62873-3-2 ®
Edition 1.0 2016-09
INTERNATIONAL
STANDARD
Residual current operated circuit-breakers for household and similar use –
Part 3-2: Particular requirements for RCDs with flat quick-connect terminations
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IEC 62873-3-2 ®
Edition 1.0 2016-09
INTERNATIONAL
STANDARD
Residual current operated circuit-breakers for household and similar use –

Part 3-2: Particular requirements for RCDs with flat quick-connect terminations

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.120.50 ISBN 978-2-8322-3614-7

– 2 – IEC 62873-3-2:2016 © IEC 2016
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references. 6
3 Terms and definitions . 6
4 Classification . 7
5 Characteristics of RCDs . 7
6 Marking and other product information . 7
7 Standard conditions for operation in service and for installation . 7
8 Requirements for construction and operation . 8
8.1 General . 8
8.2 Terminals for external conductors . 8
9 Tests . 11
9.1 General . 11
9.2 Mechanical overload-force . 11
Bibliography . 13

Figure 1 – Dimensions of male tabs . 9
Figure 2 – Dimensions of round dimple detents (see Figure 1) . 10
Figure 3 – Dimensions of rectangular dimple detents (see Figure 1) . 10
Figure 4 – Dimensions of hole detents . 10
Figure 5 – Dimensions of female connectors . 11
Figure 6 – Example of position of the thermocouple for measurement of the
temperature-rise . 12

Table 1 – Colour code of female connectors in relationship with the cross-section of
the conductor . 7
Table 2 – Dimensions of tabs . 8
Table 3 – Dimensions of female connectors . 11
Table 4 – Overload test forces . 12

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS
FOR HOUSEHOLD AND SIMILAR USE –

Part 3-2: Particular requirements for RCDs
with flat quick-connect terminations

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
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International Standard IEC 62873-3-2 has been prepared by subcommittee 23E: Circuit
breakers and similar equipment for household use, of IEC technical committee 23: Electrical
accessories.
The text of this standard is based on the following documents:
FDIS Report on voting
23E/965/FDIS 23E/983/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.

– 4 – IEC 62873-3-2:2016 © IEC 2016
A list of all parts of the IEC 62873 series published under the general title Residual current
operated circuit-breakers for household and similar use can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC website 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.
A bilingual version of this publication may be issued at a later date.

INTRODUCTION
This document is part of the series described in the outline document IEC 62873-1.

– 6 – IEC 62873-3-2:2016 © IEC 2016
RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS
FOR HOUSEHOLD AND SIMILAR USE –

Part 3-2: Particular requirements for RCDs
with flat quick-connect terminations

1 Scope
This part of IEC 62873 applies to RCDs equipped with flat quick-connect terminations
consisting of a male tab (see 3.2) with nominal width 6,3 mm and thickness 0,8 mm, to be
used with a mating female connector for connecting electrical copper conductors according to
the manufacturer's instructions, for rated currents up to and including 16 A.
NOTE The use of RCDS with flat quick-connect terminations for rated currents up to and including 20 A is
accepted in BE, FR, IT, ES, PT and US.
This part of IEC 62873 cannot be used alone but is intended to be applied together with an
RCD product standard (IEC 61008-1 or IEC 61009-1) if an RCD is equipped with flat quick-
connect terminations.
The connectable electrical copper conductors are flexible, having a cross-sectional area up to
and including 4 mm , or rigid stranded, having a cross-sectional area up to and including
2,5 mm (AWG equal to or greater than 12).
This part of IEC 62873 applies exclusively to RCDs having male tabs as an integral part of the
device.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 61008-1, Residual current operated circuit-breakers without integral overcurrent
protection for household and similar uses (RCCBs) – Part 1: General rules
IEC 61009-1, Residual current operated circuit-breakers with integral overcurrent protection
for household and similar uses (RCBOs) – Part 1: General rules
IEC 61210, Connecting devices – Flat quick-connect terminations for electrical copper
conductors – Safety requirements
IEC 62873-2, Residual current operated circuit-breakers for household and similar use –
Part 2: Residual current devices (RCDs) – Vocabulary
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 62873-2 and the
following apply.
3.1
flat quick-connect termination
electrical connection consisting of a male tab and a female connector which can be pushed
into and withdrawn with or without the use of a tool
3.2
male tab
portion of a quick-connect termination which receives the female connector
3.3
female connector
portion of a quick-connect termination which is pushed onto the male ta
...

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