IEC 62683:2013

Low-voltage switchgear and controlgear - Product data and properties for information exchange

IEC 62683:2013 is used to facilitate the exchange in electronic format of data describing low voltage switchgear and controlgear. This standard provides clear and unambiguous definitions of a limited number of properties and classes which are mainly used for presentation, selection and identification of products particularly in electronic catalogues. Each property has an unambiguously defined meaning and naming, and where relevant, a defined value list, a defined format and a defined unit. The intention is to produce a reference dictionary which allows a general description of low voltage switchgear and controlgear classes based on the defined properties. The intention is not to cover manufacturer specific features.

Appareillage à basse tension - Données et propriétés de produits pour l'échange d'informations

La CEI 62683:2013 a pour but de faciliter l'échange sous format électronique de données décrivant les appareillages à basse tension. La présente norme propose des définitions claires et sans équivoque d'un certain nombre de classes et de propriétés permettant notamment de présenter, de sélectionner et d'identifier des produits, en particulier dans les catalogues électroniques. Chaque propriété a une signification et une appellation définies sans ambiguïté et le cas échéant, un domaine de valeur défini, un format défini et une unité définie. L'objectif est de créer un dictionnaire (référentiel) permettant une description générale des classes d'appareillage à basse tension basée sur des jeux de propriétés définies. L'objectif n'est pas de traiter de fonctions spécifiques aux constructeurs.

General Information

• Status: Published
• Publication Date: 10-Mar-2013
• ICS: 29.130.20 - Low voltage switchgear and controlgear
• Technical Committee: SC 121A - Low-voltage switchgear and controlgear
• Drafting Committee: PT 62683 - TC 121/SC 121A/PT 62683
• Current Stage: DELPUB - Deleted Publication
• Start Date: 28-Aug-2015
• Completion Date: 26-Oct-2025

Relations

• Revised: IEC 62683:2015 - Low-voltage switchgear and controlgear - Product data and properties for information exchange
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62683 ®
Edition 1.0 2013-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Low-voltage switchgear and controlgear – Product data and properties for
information exchange
Appareillage à basse tension – Données et propriétés de produits pour
l’échange d’informations
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IEC 62683 ®
Edition 1.0 2013-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Low-voltage switchgear and controlgear – Product data and properties for

information exchange
Appareillage à basse tension – Données et propriétés de produits pour

l’échange d’informations
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XA
ICS 29.130.20 ISBN 978-2-83220-683-6

– 2 – 62683 © IEC:2013
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 General . 9
5 Properties . 9
5.1 Criteria for naming properties . 9
5.2 Attributes of a property . 9
6 Block of properties . 10
7 Device classes . 10
7.1 Device class attributes . 10
7.2 Library of low-voltage switchgear and controlgear classes . 10
7.3 Properties of device classes . 16
7.3.1 General . 16
7.3.2 Motor starter combination . 17
7.3.3 Motor protection circuit-breaker . 18
7.3.4 Power contactor, a.c. switching . 19
7.3.5 Power contactor, d.c. switching . 20
7.3.6 Capacitor contactor . 22
7.3.7 Combination of contactors . 23
7.3.8 Electromechanical contactor for household and similar purposes. 24
7.3.9 Thermal overload relay . 25
7.3.10 Electronic overload relay . 26
7.3.11 Relay for thermistor protection (PTC) . 27
7.3.12 Motor management device . 28
7.3.13 Motor management device, extension module . 29
7.3.14 Motor management device, operator panel . 30
7.3.15 Semiconductor motor controller . 31
7.3.16 Transfer switching equipment . 32
7.3.17 Inductive proximity switch . 32
7.3.18 Capacitive proximity switch . 32
7.3.19 Non-mechanical magnetic proximity switch . 32
7.3.20 Ultrasonic proximity switch . 32
7.3.21 Through beam photoelectric proximity switch . 32
7.3.22 Retroreflective photoelectric proximity switch . 32
7.3.23 Diffuse reflective photoelectric proximity switch . 32
7.3.24 Diffuse reflective photoelectric proximity switch with background
suppression . 32
7.3.25 Auxiliary contact block . 32
7.3.26 Contactor relay . 33
7.3.27 Position switch . 33
7.3.28 Rotary limit switch . 33
7.3.29 Safety position switch with separate actuator. 33
7.3.30 Safety position switch with interlocking . 33
7.3.31 Trip wire switch . 33

62683 © IEC:2013 – 3 –
7.3.32 Hinge switch . 33
7.3.33 Push-button . 33
7.3.34 Rotary control switch . 33
7.3.35 Key-operated rotary switch . 33
7.3.36 Joy stick . 33
7.3.37 Foot switch . 33
7.3.38 Emergency stop device. 33
7.3.39 Signal light . 33
7.3.40 Signal tower . 33
7.3.41 Circuit-breaker . 34
7.3.42 Release for circuit-breaker . 34
7.3.43 Residual current release for circuit-breaker . 34
7.3.44 Shunt release for circuit-breaker . 34
7.3.45 Under-voltage release for circuit-breaker . 34
7.3.46 Motor-operator for circuit-breaker . 34
7.3.47 Switch-disconnector . 34
7.3.48 Switch-disconnector-fuse . 34
7.3.49 Fuse-switch-disconnector . 34
7.3.50 Feed-through terminal block . 34
7.3.51 Distribution terminal block . 34
7.3.52 Disconnect terminal block . 34
7.3.53 Protective conductor terminal block . 34
7.3.54 Fuse terminal block . 34
Annex A (normative) Property library . 35
Annex B (informative) Example of structured data . 50
Bibliography . 52

Table 1 – Library of blocks used in the device classes of low-voltage switchgear . 10
Table 2 – Library of device classes for contactors, starters and similar equipment . 11
Table 3 – Library of device classes for control switches . 13
Table 4 – Library of device classes for circuit-breakers and their associated devices . 15
Table 5 – Library of device classes for switches, disconnectors and similar equipment . 16
Table 6 – Library of device classes for multiple function equipment . 16
Table 7 – Library of device classes for terminal blocks. 16
Table 8 – Properties of motor starter combination . 17
Table 9 – Properties of motor protection circuit-breaker . 18
Table 10 – Properties of power contactor, a.c. switching . 19
Table 11 – Properties of power contactor, d.c. switching . 20
Table 12 – Properties of capacitor contactor . 22
Table 13 – Properties of combination of contactors . 23
Table 14 – Properties of electromechanical contactor for household and similar
purposes . 24
Table 15 – Properties of thermal overload relay . 25
Table 16 – Properties of electronic overload relay. 26
Table 17 – Properties of relay for thermistor protection . 27
Table 18 – Properties of motor management device . 28

– 4 – 62683 © IEC:2013
Table 19 – Properties of motor management device, extension module . 29
Table 20 – Properties of motor management device, operator panel . 30
Table 21 – Properties of semiconductor motor controller . 31
Table A.1 – Library of properties used in the device classes of low-voltage switchgear
and controlgear . 35
Table B.1 – Structured properties of motor starter combination . 50

62683 © IEC:2013 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR –
PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE

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,
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2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
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6) All users should ensure that they have the latest edition of this publication.
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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 62683 has been prepared by the subcommittee 17B: Low-voltage
switchgear and controlgear, of the IEC technical committee 17: Switchgear and controlgear.
The text of this standard is based on the following documents:
FDIS Report on voting
17B/1802/FDIS 17B/1816/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.

– 6 – 62683 © IEC:2013
The committee has decided that the contents of this publication will remain unchanged until
the stability 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.
62683 © IEC:2013 – 7 –
INTRODUCTION
Mainly large customers and wholesalers are requesting standardized product descriptions and
product properties. However, all stakeholders will benefit from this standardised presentation
and data exchange.
Multiple associations or groups of actors launched different initiatives to try to respond to this
demand but, due to the lack of standardisation of classes and properties, the situation is not
satisfactory neither for customers nor for manufacturers.
In order to keep the lead of product description, IEC proposes a new consistent solution
within its product standards.
The purpose of this International Standard is to:
• define device classes and properties for low-voltage switchgear and controlgear in a
dedicated standard,
• provide a basis for introduction of the low-voltage switchgear and controlgear classes and
properties into the IEC 61360 database maintained by IEC/SC3D (see
http://std.iec.ch/iec61360).
This standard is not intended to establish a hierarchy of product classes called classification.
The intended benefits of this standard are to:
• reduce the costs, time and efforts of mapping data for each customer request;
• optimize the workflow of B2B exchanges;
• minimize duplication of articles in customer inventories and in databases;
• minimize losses and misinterpretation of data during exchanges;
• facilitate the selection of a product, especially regarding reliability and safety;
• give access to product data everywhere regardless of country, language and culture;
• provide product data related to environmental aspects such as material declaration;
• contribute to the fast growth of the e-business by simplifying the development of
– e-Catalogue allowing the differentiation of products performances, certificates, etc;
– e-Commerce: use of electronic networks to exchange information, products, services
and payments for commercial and communication purposes between individuals
(consumers) and businesses, between businesses themselves.
The output of this standard consists of:
• reference dictionary of low-voltage switchgear and controlgear using existing terms from
IEC standards. However, terminology used in e-business may be relevant for the purpose
of naming classes in this standard to get a high level of acceptance;
• properties for e-commerce purposes, conformity of properties with product standards
being the main goal of this standard.
NOTE The classes "under consideration" are for information only and are intended to be completed during the
next maintenance cycle.
For this project, the introduction of low-voltage switchgear and controlgear within the
IEC 61360 database needs to address the following technical aspect:
• IEC 61360 requires mandatory attributes. The complete set of mandatory attributes with
additional relevant attributes for low-voltage switchgear and controlgear will be available
within the IEC 61360 database. Within the present document, only the most useful
attributes will be presented;
• the switchgear and controlgear data model is implemented in an appropriate domain of the
IEC Component Data Dictionary (CDD), IEC 61360, by creating dictionaries of blocks,
classes and properties. A device class is therefore created using reference links to these
dictionaries.
– 8 – 62683 © IEC:2013
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR –
PRODUCT DATA AND PROPERTIES FOR INFORMATION EXCHANGE

1 Scope
This International Standard is used to facilitate the exchange in electronic format of data
describing low-voltage switchgear and controlgear.
This standard provides clear and unambiguous definitions of a limited number of properties
and classes which are mainly used for presentation, selection and identification of products
particularly in electronic catalogues.
Each property has an unambiguously defined meaning and naming, and where relevant, a
defined value list, a defined format and a defined unit.
The intention is to produce a reference dictionary which allows a general description of
low-voltage switchgear and controlgear classes based on the defined properties. The
intention is not to cover manufacturer specific features.
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 60947-1:2007, Low-voltage switchgear and controlgear − Part 1: General rules
IEC 61360-1, Standard data element types with associated classification scheme for electric
items − Part 1: Definitions − Principles and methods
3 Terms and definitions
For the purposes of this document, the terms and definitions of IEC 60947-1, as well as the
following terms and definitions apply.
3.1
attribute
data element for description of a property, a relation or a device class
EXAMPLE The name of a property, the code of a class, the measure unit of a property.
3.2
block (of properties)
collection of properties describing one common aspect of the device class
Note 1 to entry: A block is a feature class in the sense of IEC 61360-1 and ISO 13584-42.
EXAMPLE Diagnostic functions, control circuit.
3.3
cardinality
pattern defining the number of times a concept reoccurs within a description

62683 © IEC:2013 – 9 –
Note 1 to entry: Cardinality allows a block of properties contained in a list of properties to be used more than
once for a particular transaction in order to describe, for example, a device with several different outputs or more
than one process cases.
Note 2 to entry: Cardinality is defined by IEC 61987-10.
3.4
device
material element or assembly of such elements intended to perform a required function
Note 1 to entry: In this standard, a device corresponds to a low voltage switchgear and controlgear.
[SOURCE: IEC 60050-151:2001, 151-11-20, modified – replacement of the note]
3.5
device class
set of properties which gives a description of a device
3.6
polymorphism
pattern that allows substitution of a single concept in the same context by a different more
specific (specialized) concept
Note 1 to entry: A specialised polymorphic block of properties can replace a more generic one in the same
context. A polymorphic operator (control property) can act in selecting between of various specialisations.
Note 2 to entry: Polymorphism is defined by IEC 61987-10.
3.7
property
defined parameter suitable for the description and differentiation of device class
specific characteristic describing an aspect of device class
4 General
The attributes shall follow IEC 61360-1.
Based on IEC 61360-1 data model, the structured data called cardinality and polymorphism
may be used.
5 Properties
5.1 Criteria for naming properties
In order to maintain consistency and clarity in the naming of properties, terms from product
standards shall be used when there available.
Synonymous names may be associated with the property name when well established terms
are used on the market.
5.2 Attributes of a property
The following attributes of a property are considered in this standard: identifier (code, version
number, revision number), preferred name, definition, source document, data type, unit of
measure, value format, value list.

– 10 – 62683 © IEC:2013
6 Block of properties
A property within a block shall describe one common aspect covered by the definition of this
block.
The list of blocks of properties is defined in Table 1.
Table 1 – Library of blocks used in the device classes of low-voltage switchgear
Identifier Preferred name Definition Source doc.
17B-ACE011 Identification information necessary for unambiguous
identification of the device
17B-ACE012 General technical general technical aspects of the device
data
17B-ACE013 Diagnostic functions ability to analyse a situation corresponding to a
predefined set of parameters
17B-ACE014 Main circuit (of a all the conductive parts of a switching device IEC 60050-441: 1984,
switching device) included in the circuit which it is designed to 441-15-02
close or open
17B-ACE015 Input / output circuit circuit used to receive or to send signals or data
17B-ACE016 Control and all the conductive parts of a switching device
auxiliary circuits which are intended to be included in a circuit
other than the main circuit of the device
17B-ACE018 Data communication communication function for the transfer of
information between the device and the system
17B-ACE019 Short-circuit accidental or intentional conductive path IEC 60050-151:
between two or more conductive parts forcing 2001,151-12-04
the electric potential differences between these
conductive parts to be equal to or close to zero
17B-ACE020 Installation, physical information of the device for
mounting and installation
dimensions
17B-ACE021 Connection facilities terminals, screws or other parts, used for the IEC 60050-426: 2008,
electrical connection of conductors of external 426-04-25
circuits
17B-ACE022 Product certificates conformity of a device with specified
and standards requirements and compliance with recognised
product standards
7 Device classes
7.1 Device class attributes
The attributes of the device class shall follow IEC 61360-1.
The following attributes of a device class are considered in this standard: identifier,
preferred name, definition, synonymous name and source document.
NOTE The synonymous names are limited to those necessary to avoid confusion when selecting a device class.
7.2 Library of low-voltage switchgear and controlgear classes
Table 2 to Table 7 give the lists of device classes which compose the library of low-voltage
switchgear and controlgear.
62683 © IEC:2013 – 11 –
Table 2 – Library of device classes for contactors, starters and similar equipment
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC401 Motor protection circuit-breaker providing
circuit-breaker overload protection to the
motor and the circuit
NOTE See IEC 60947-4-1.
17B-ACC402 Motor management electronic overload relay for
device motor, including extended
functions with
communication ability
NOTE See IEC 60947-4-1.
17B-ACC403 Motor management module providing at least
device, extension one extended function to a
module motor management device
17B-ACC404 Motor management human machine interface
device, operator dedicated to a motor
panel management device
17B-ACC405 Motor starter equipment consisting of a Protected starter,
combination starter, a manually-operated Combination
switching device and a starter
short-circuit protective
device, which may or may
not incorporate an isolating
function
NOTE See IEC 60947-4-1
and IEC 60947-6-2.
17B-ACC406 a.c. semiconductor semiconductor switching Soft-starter 3.3.2 of
motor controller device that provides the IEC 60947-4-
starting function for an a.c. 2:2011
motor and an OFF-state
17B-ACC407 Power contactor, a.c. mechanical switching device
switching having only one position of
rest, operated otherwise
than by hand, capable of
making, carrying and
breaking a.c. currents under
normal circuit conditions
including operating overload
conditions
NOTE See IEC 60947-4-1.
17B-ACC408 Capacitor contactor contactor used to switch
capacitor load
NOTE See IEC 60947-4-1.
17B-ACC409 Combination of arrangement of several Star-delta
contactors contactors for star-delta, contactors,
reversing or two-step motor Reversing
switching contactors
NOTE See IEC 60947-4-1.
17B-ACC410 Power contactor, d.c. mechanical switching device
switching having only one position of
rest, operated otherwise
than by hand, capable of
making, carrying and
breaking d.c. currents under
normal circuit conditions
including operating overload
conditions
NOTE See IEC 60947-4-1.
– 12 – 62683 © IEC:2013
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC411 Thermal overload inverse time-delay overload
relay relay depending for its
operation (including its time-
delay) on the thermal action
of the current flowing in the
relay
NOTE See IEC 60947-4-1.
17B-ACC412 Electronic overload inverse time-delay overload
relay relay depending for its
operation (including its time-
delay) on the electronic
thermal model of the current
flowing in the relay
NOTE See IEC 60947-4-1.
17B-ACC413 Relay for thermistor device which converts into a Control unit for
protection (PTC) switching function the built-in thermal
variation of the protection (PTC)
characteristic of a thermal for rotating
detector made by a PTC electrical machines
thermistor
NOTE See IEC 60947-8.
17B-ACC414 Electromechanical electromechanical air break
contactor for contactor for household and
household and similar similar purposes provided
purposes with main contacts intended
to be connected to circuits
the rated voltage of which
does not exceed 440 V a.c.
(between phases) with rated
operational currents less
than or equal to 63 A for
utilization category AC-7a
and 32 A for utilization
categories AC-7b and AC-
7c, and rated conditional
short-circuit current less
than or equal to 6 kA.
NOTE See IEC 61095.
62683 © IEC:2013 – 13 –
Table 3 – Library of device classes for control switches
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC501 Inductive proximity proximity switch producing 2.1.1.1 of
switch an electromagnetic field IEC 60947-5-
within a sensing zone and 2:2007
having a semiconductor
switching element
17B-ACC502 Capacitive proximity proximity switch producing 2.1.1.2 of
switch an electric field within a IEC 60947-5-
sensing zone and having a 2:2007
semiconductor switching
element
17B-ACC503 non-mechanical proximity switch which 2.1.1.5 of
magnetic proximity senses the presence of a IEC 60947-5-
switch magnetic field and has a 2:2007
semiconductor switching
element and no moving parts
in the sensing element
17B-ACC504 Ultrasonic proximity proximity switch transmitting 2.1.1.3 of
switch and receiving ultrasound IEC 60947-5-
waves within a sensing zone 2:2007
and having a semiconductor
switching element
17B-ACC505 Through beam photoelectric proximity switch Photoelectric
photoelectric which is indirectly operated proximity switch
proximity switch through lateral approach of type T
its reference axis between
emitter and receiver by a
defined object
NOTE See IEC 60947-5-2.
17B-ACC506 Retroreflective photoelectric proximity switch Photoelectric
photoelectric which is indirectly operated proximity switch
proximity switch through lateral approach to type R
its reference axis between
emitter-receiver and reflector
by a defined object
NOTE See IEC 60947-5-2.
17B-ACC507 Diffuse reflective photoelectric proximity switch Photoelectric
photoelectric which is directly operated proximity switch
proximity switch through lateral or axial type D
approach to its reference
axis by a defined object
NOTE See IEC 60947-5-2.
17B-ACC508 Diffuse reflective photoelectric proximity switch Photoelectric
photoelectric with adjustment of usable proximity switch
proximity switch with operating distance, which is type D with
background directly operated through background
suppression lateral or axial approach to suppression
its reference axis by a
defined object
NOTE See IEC 60947-5-2.
17B-ACC509 Auxiliary contact contact(s) unit included in an
block auxiliary circuit and
mechanically operated by the
switching device
NOTE See IEC 60947-1
and IEC 60947-5-1.
17B-ACC510 Contactor relay contactor used as a control Auxiliary contactor IEC 60050-
switch 441:1984, 441-
14-35
– 14 – 62683 © IEC:2013
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC511 Position switch pilot switch, the actuating Limit switch IEC 60050-
system of which is operated 441:1984, 441-
by a moving part of a 14-49
machine, when this part
reaches a predetermined
position
17B-ACC512 Rotary limit switch a positive opening pilot Screw limit switch
switch, the actuating member
of which is a shaft or a
spindle which has to be
rotated to one or more
indexed positions in order to
achieve a change in contact
state
17B-ACC513 Safety position switch a positive opening pilot Key-operated
with separate actuator switch, the actuating system safety switch
of which is operated by a
separate actuator, when this
actuator reaches a
predetermined position
17B-ACC514 Safety position switch a positive opening pilot
with interlocking switch, the actuating system
of which is operated by a
separate actuator with
interlocking, when this
actuator reaches a
predetermined position
17B-ACC515 Trip wire switch emergency stop device in Emergency stop 3.10 of
which the actuator is a rope, rope pull switch IEC 60947-5-
a wire or similar means 5:1997,
Amendement 1
(2005)
17B-ACC516 Hinge switch a positive opening pilot
switch, the actuating system
of which is operated by the
pivoting of a guard, when this
guard reaches a
predetermined angle
17B-ACC517 Push-button control switch having an IEC 60050-
actuator intended to be 441:1984,441-
operated by force exerted by 14-53
a part of the human body,
usually the finger or palm of
the hand, and having stored
energy (spring) return
17B-ACC518 Rotary control switch control switch having an Selector switch 2.2.2.15 of
actuator intended to be IEC 60947-5-
operated by rotation 1:2003
17B-ACC519 Key-operated rotary rotary switch where a key is Key switch 2.2.2.16 of
switch used as the actuator IEC 60947-5-
1:2003
17B-ACC520 Joy stick control switch having an Joystick controller 2.2.2.19 of
actuator consisting of a pin IEC 60947-5-
or stick projecting essentially 1:2003
at a right angle from the
panel or enclosure when in
one of its positions and
intended to be operated by
angular displacement
17B-ACC521 Foot switch control switch having an Pedal 2.2.2.21 of
actuator intended to be IEC 60947-5-
operated by force exerted by 1:2003
a foot
17B-ACC522 Emergency stop manually actuated control E-stop, 3.2 of
device device used to initiate an Emergency stop ISO 13850:2006
emergency stop function push-button

62683 © IEC:2013 – 15 –
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC523 Signal light light signal which is Indicator light,
associated with and Pilot light
indicative of the state of a
circuit, control, or device
17B-ACC524 Signal tower tower or assembly providing Signal column
multiple signal lights and/or
audible signals which are
associated with and
indicative of the state(s) of a
circuit, control, or device
Table 4 – Library of device classes for circuit-breakers and their associated devices
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC201 Circuit-breaker mechanical switching device, Moulded case IEC 60050-
capable of making, carrying circuit-breaker, Air 441:1984, 441-
and breaking currents under circuit-breaker 14-20
normal circuit conditions and
also making, carrying for a
specified time and breaking
currents under specified
abnormal circuit conditions
such as those of short-circuit
17B-ACC202 Release for circuit- unit connected to a circuit- Trip unit
breaker breaker which causes the
protected circuit to be
switched off when a preset
threshold is exceeded
17B-ACC203 Residual current unit connected to a circuit- Earth leakage
release for circuit- breaker which concurrently module
breaker performs residual current
detection, compares such
measurements with a preset
value and causes the
protected circuit to be
switched off when this value
is exceeded
17B-ACC204 Shunt release for release energized by a Shunt trip IEC 60050-
circuit-breaker source of voltage 441:1984, 441-
16-41
17B-ACC205 Under-voltage release release which permits a Under-voltage trip
for circuit-breaker circuit-breaker to open with
or without time-delay, when
the voltage across the
terminals of the release falls
below a predetermined value
17B-ACC206 Motor-operator for dependent power operator
circuit-breaker capable of closing and
opening the circuit-breaker
– 16 – 62683 © IEC:2013
Table 5 – Library of device classes for switches, disconnectors and similar equipment
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC301 Switch-disconnector switch which, in the open IEC 60050-
position, satisfies the 441:1984, 441-
isolating requirements 14-12
specified for a disconnector
17B-ACC302 Switch-disconnector- switch-disconnector in which IEC 60050-
fuse one or more poles have a 441:1984, 441-
fuse in series in a composite 14-16
unit
17B-ACC303 Fuse-switch- switch-disconnector in which IEC 60050-
disconnector a fuse-link or a fuse-carrier 441:1984, 441-
with fuse-link forms the 14-19
moving contact
Table 6 – Library of device classes for multiple function equipment
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC601 Transfer switching equipment containing one or Manual transfer 3.1.1 of
equipment more switching devices for switch, Remote IEC 60947-6-
disconnecting load circuits transfer switch, 1:2005
from one supply and Automatic transfer
connecting to another supply switch

Table 7 – Library of device classes for terminal blocks
Identifier Preferred name Definition Synonymous Source doc.
name
17B-ACC701 Feed-through terminal insulating part carrying one
block or more mutually insulated
feed-through terminals and
intended to be fixed to a
support
17B-ACC702 Multi-level terminal Feed-through terminal block Multi-level
block for which the terminals are installation
arranged by different levels terminal block
17B-ACC703 Disconnect terminal Feed-through terminal block
block for which each circuit can be
disconnected
17B-ACC704 Protective conductor device with one or more 2.1 of
terminal block clamping units for connecting IEC 60947-7-
and/or joining protective 2:2009
conductors (PE and PEN
conductors) with conducting
connection to their supports,
which may be designed with
screw-type or screwless-type
fixing means
17B-ACC705 Fuse terminal block terminal block base with a 2.1 of
fuse carrier IEC 60947-7-
3:2009
7.3 Properties of device classes
7.3.1 General
Table 8 to Table 21 give the lists of properties for each device class.

62683 © IEC:2013 – 17 –
7.3.2 Motor starter combination
Table 8 – Properties of motor starter combination
Blocks with associated properties
Identification
Global Trade Item Number (GTIN)
manufacturer name
manufacturer product number
product family
product name
supplier name
supplier product number
product online information URL
customs tariff number
General technical data
kind of motor-starter
degree of protec
...