ISO 11446:1993

1 NTERNAT I O NAL
IS0
STANDARD
11446
First edition
1993-1 2-1 5
Passenger cars and light commercial
vehicles with 12 V systems - 13-pole
connectors between towing vehicles and
trailers - Dimensions and contact
allocation
Voitures particulières et véhicules utilitaires légers équipés d'un système
électrique 12 V - Connecteurs à 13 contacts pour liaison entre véhicules
tracteurs et remorques - Dimensions et affectation des contacts
Reference number
IS0 1 1446:1993(E)

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IS0 11446:1993(E)
Foreword
IS0 (the International organization for Standardization) is a worldwide
federation of national standards bodies (IS0 member bodies). The work
of preparing International Standards is normally carried out through IS0
technical committees. Each member body interested in a subject for
which a technical committee has been established has the right to be
represented on that committee. International organizations, governmental
ISO, also take part in the work. IS0
and non-governmental, in liaison with
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
75 % of the member bodies casting
Standard requires approval by at least
a vote.
International Standard IS0 1 1446 was prepared by Technical Committee
iSO/TC 22, Road vehicles, Subcommittee SC 3, Electrîcal and e/ectronic
equipment.
Q IS0 1993
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from the publisher.
International Organization for Standardization
Case Postale 56 CH-1 21 9 Genève 20 0 Switzerland
Printed in Switzerland
ii

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IS0 11446:1993(EI
INTERNATIONAL STANDARD 0 IS0
Passenger cars and light commercial vehicles with
12 V systems - 13-pole connectors between towing
vehicles and trailers - Dimensions and contact
allocation
a
3 Dimensions and requirements
1 Scope
Dimensions and requirements of the socket, plug,
This International Standard specifies dimensions and
park socket and surrounding free space shall be in
specific requirements for the 13-pole connector and
accordance with 3.1, 3.2, 3.3 and 3.4 respectively.
its contact allocation to enable electrical connection
between passenger cars or light commercial vehicles
Details not specified may be selected as appropriate.
and their trailers equipped with 12 V systems to be
made and to ensure interchangeability.
3.1 Socket
It further specifies a park socket used to receive and
Dimensions and other requirements of the socket
store the plug of the connector when it is discon-
shall be as shown in figure 1.
nected.
The cover is shown in the open position: it shall close
automatically when the plug is removed.
The contacts shall be floating and shall align to the
datum position when plug and socket are engaged.
0 2 Normative references
The contact designation numbers shall be perma-
The following standards contain provisions which, nently marked on the inside of the socket cover in
through reference in this text, constitute provisions numbers at least 2 mm high. They shall also be
of this International Standard. At the time of publica- marked on the terminal face, although reduced space
tion, the editions indicated were valid. All standards available may require smaller size of contact desig-
are subject to revision, and parties to agreements nation numbers at the terminal side.
based on this International Standard are encouraged
to investigate the possibility of applying the most re-
3.2 Plug
cent editions of the standards indicated below.
Members of IEC and IS0 maintain registers of cur-
Dimensions and other requirements of the plu
...