Arc welding equipment - Part 5: Wire feeders (IEC 60974-5:2019)

This document specifies safety and performance requirements for industrial and professional equipment used in arc welding and allied processes to feed filler wire. This document is applicable to WIRE FEEDERS and to WIRE-FEED CONTROLS that are stand-alone (separate from the welding equipment), housed together in a single enclosure or housed in a single enclosure with other welding equipment. The WIRE FEEDER can be suitable for manually or mechanically guided torches. This document is not applicable to spool-on torches, which are covered by IEC 60974-7.

Lichtbogenschweißeinrichtungen - Teil 5: Drahtvorschubgeräte (IEC 60974-5:2019)

Matériel de soudage à l'arc - Partie 5: Dévidoirs (IEC 60974-5:2019)

La présente partie de l'IEC 60974 spécifie les exigences de sécurité et de performance pour le matériel industriel et professionnel utilisé en soudage à l'arc et les procédés connexes pour L'ALIMENTATION EN FIL D'APPORT. Le présent document s'applique aux DÉVIDOIRS et aux COMMANDES DE DÉVIDAGE DU FIL qui sont indépendants (séparés du matériel de soudage), intégrés ensemble dans une seule enveloppe ou intégrés dans une seule enveloppe avec d'autres matériels de soudage. Le DÉVIDOIR peut être adapté aux torches guidées manuellement ou mécaniquement. Le présent document ne s'applique pas aux torches à bobine incorporée qui sont couvertes par l'IEC 60974-7. NOTE 1 Le coupage à l'arc électrique et la projection à l'arc électrique sont des procédés connexes typiques. NOTE 2 Le présent document ne contient pas les exigences de compatibilité électromagnétique (CEM) qui sont données dans l'IEC 60974-10.

Oprema za obločno varjenje - 5. del: Podajalniki žice (IEC 60974-5:2019)

Ta dokument določa varnostne zahteve in zahteve glede lastnosti za panožno ter profesionalno opremo, ki se uporablja pri obločnem varjenju in povezanih postopkih za podajanje polnilne žice. Ta dokument se uporablja za samostojne PODAJALNIKE ŽICE in KRMILNIKE PODAJALNIKA ŽICE (ločene od opreme za varjenje) s skupnim samostojnim ohišjem ali skupnim ohišjem z drugo opremo za varjenje. PODAJALNIK ŽICE je lahko primeren za ročno ali mehansko vodeni gorilnik. Ta dokument se ne uporablja za gorilnike z navojem, ki jih zajema standard IEC 60974-7.

General Information

Status
Published
Publication Date
22-Dec-2019
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-Dec-2019
Due Date
16-Feb-2020
Completion Date
23-Dec-2019

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SLOVENSKI STANDARD
SIST EN IEC 60974-5:2020
01-februar-2020
Nadomešča:
SIST EN 60974-5:2013
Oprema za obločno varjenje - 5. del: Podajalniki žice (IEC 60974-5:2019)
Arc welding equipment - Part 5: Wire feeders (IEC 60974-5:2019)
Lichtbogenschweißeinrichtungen - Teil 5: Drahtvorschubgeräte (IEC 60974-5:2019)
Matériel de soudage à l'arc - Partie 5: Dévidoirs (IEC 60974-5:2019)
Ta slovenski standard je istoveten z: EN IEC 60974-5:2019
ICS:
25.160.30 Varilna oprema Welding equipment
SIST EN IEC 60974-5:2020 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 60974-5:2020
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SIST EN IEC 60974-5:2020
EUROPEAN STANDARD EN IEC 60974-5
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2019
ICS 25.160.30 Supersedes EN 60974-5:2013
English Version
Arc welding equipment - Part 5: Wire feeders
(IEC 60974-5:2019)

Matériel de soudage à l'arc - Partie 5: Dévidoirs Lichtbogenschweißeinrichtungen - Teil 5:

(IEC 60974-5:2019) Drahtvorschubgeräte
(IEC 60974-5:2019)

This European Standard was approved by CENELEC on 2019-03-06. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,

Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 60974-5:2019 E
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SIST EN IEC 60974-5:2020
EN IEC 60974-5:2019 (E)
European foreword

The text of document 26/672/FDIS, future edition 4 of IEC 60974-5, prepared by IEC/TC 26 "Electric

welding" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as

EN IEC 60974-5:2019.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2019-12-06

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2022-03-06

document have to be withdrawn
This document supersedes EN 60974-5:2013.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

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

Endorsement notice

The text of the International Standard IEC 60974-5:2019 was approved by CENELEC as a European

Standard without any modification.
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SIST EN IEC 60974-5:2020
EN IEC 60974-5:2019 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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.

NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:

www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-195 - International Electrotechnical Vocabulary - - -
Part 195: Earthing and protection against
electric shock
IEC 60529 - Degrees of protection provided by enclosures EN 60529 1991
(IP Code)
+ corrigendum 1993
May
+ A1 2000
+ A2 2013
+ AC 2016
IEC 60974-1 2017 Arc welding equipment - Part 1: Welding EN IEC 60974-1 2018
power sources
+ A1 2019 + A1 2019
IEC 60974-7 - Arc welding equipment - Part 7: Torches - 2017
IEC 60974-10 - Arc welding equipment - Part 10: EN 60974-10 2014
Electromagnetic compatibility (EMC)
requirements
IEC 61140 - Protection against electric shock - Common EN 61140 2016
aspects for installation and equipment
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SIST EN IEC 60974-5:2020
EN IEC 60974-5:2019 (E)
Annex ZZ
(informative)
Relationship between this European standard and the safety objectives of
Directive 2014/35/EU [2014 OJ L96] aimed to be covered

This European Standard has been prepared under a Commission’s standardization request relating to

harmonized standards in the field of the Low Voltage Directive, M/511, to provide one voluntary means

of conforming to safety objectives of Directive 2014/35/EU of the European Parliament and of the

Council of 26 February 2014 on the harmonization of the laws of the Member States relating to the

making available on the market of electrical equipment designed for use within certain voltage limits

[2014 OJ L96].

Once this standard is cited in the Official Journal of the European Union under that Directive,

compliance with the normative clauses of this standard given in Table ZZ.1 confers, within the limits of

the scope of this standard, a presumption of conformity with the corresponding safety objectives of

that Directive, and associated EFTA regulations.

Table ZZ.1 – Correspondence between this European standard and Annex I of Directive

2014/35/EU [2014 OJ L96]
Clause(s) / sub-clause(s)
Safety objectives of
Remarks / Notes
Directive 2014/35/EU
of this EN
1(a) Clauses 12, 14
1(b) Clause 14.1
Testing during periodic maintenance or
Clauses 1, 3, 4
1(c) after repair is covered in separate
see also points 2 and 3 below
standards
Clauses 6.1, 6.2, 6.3, 6.4, 6.5,
2(a) 6.7, 6.8, 6.9, 6.10, 14.1 d) and
i), 14.2
Hazards arising from electric, magnetic,
Clauses 5.3, 6.1, 6.2, 6.3, 6.4, and electromagnetic fields, other
2(b)
6.5, 6.8, 6.10, 9 ionizing and non-ionizing radiation are
covered in separate standards
Clauses 6.2.1, 6.2.2, 7, 8, 10,
2(c)
11, 14.1 h)
2(d) Clause 6.1
3(a) Clause 11.1, 11.4, 11.5, 11.6.1
Functional safety is covered in separate
standards
3(b) Clauses 4, 5.1 i), 11.2, 14.1 p)
Safety-related security is covered in
separate standards
3(c) Clause 10

WARNING 1 — Presumption of conformity stays valid only as long as a reference to this European

standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2 — Other Union legislation may be applicable to the product(s) falling within the scope of

this standard.
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SIST EN IEC 60974-5:2020
IEC 60974-5
Edition 4.0 2019-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Arc welding equipment –
Part 5: Wire feeders
Matériel de soudage à l’arc –
Partie 5: Dévidoirs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.160.30 ISBN 978-2-8322-6499-7

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 7 ----------------------
SIST EN IEC 60974-5:2020
– 2 – IEC 60974-5:2019 © IEC 2019
CONTENTS

FOREWORD ........................................................................................................................... 4

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 6

4 Environmental conditions ................................................................................................. 8

5 Tests ............................................................................................................................... 8

5.1 Test conditions ....................................................................................................... 8

5.2 Measuring instruments ............................................................................................ 8

5.3 Conformity of components ...................................................................................... 8

5.4 Type tests ............................................................................................................... 8

5.5 Routine tests........................................................................................................... 8

6 Protection against electric shock ..................................................................................... 9

6.1 Insulation ................................................................................................................ 9

6.2 Protection against electric shock in normal service (direct contact) ......................... 9

6.2.1 Protection provided by the enclosure ............................................................. 9

6.2.2 Capacitors ..................................................................................................... 9

6.2.3 Automatic discharge of supply circuit capacitors ............................................ 9

6.2.4 Isolation of the welding circuit ...................................................................... 10

6.2.5 Welding circuit touch current ........................................................................ 10

6.2.6 Touch current in normal condition ................................................................ 10

6.3 Protection against electric shock in case of a fault condition (indirect

contact) ................................................................................................................ 10

6.3.1 Protective provisions .................................................................................... 10

6.3.2 Isolation between windings of the supply circuit and the welding circuit ....... 10

6.3.3 Internal conductors and connections ............................................................ 10

6.3.4 Isolation of the welding circuit from the frame .............................................. 11

6.3.5 Touch current in fault condition .................................................................... 11

6.4 Power supply to external devices connected to the welding circuit ........................ 11

6.5 Overcurrent protection of the supply circuit ........................................................... 11

6.6 Cable anchorage ................................................................................................... 11

6.7 Auxiliary power supply .......................................................................................... 11

6.8 Inlet openings ....................................................................................................... 11

6.9 Welding circuit connections ................................................................................... 11

6.10 Control circuits ...................................................................................................... 12

6.11 Isolation of hanging means ................................................................................... 12

7 Liquid cooling system .................................................................................................... 12

8 Shielding gas supply ...................................................................................................... 12

9 Thermal requirements .................................................................................................... 13

10 Abnormal operation ....................................................................................................... 13

10.1 General requirements ........................................................................................... 13

10.2 Stalled fan test ...................................................................................................... 14

11 Mechanical provisions ................................................................................................... 14

11.1 Wire feeder ........................................................................................................... 14

11.2 Enclosure ............................................................................................................. 14

11.3 Handling means .................................................................................................... 14

11.4 Drop withstand ...................................................................................................... 14

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SIST EN IEC 60974-5:2020
IEC 60974-5:2019 © IEC 2019 – 3 –

11.5 Tilting stability ....................................................................................................... 15

11.6 Filler wire supply ................................................................................................... 15

11.6.1 Filler wire supply mounting .......................................................................... 15

11.6.2 Wire spool retaining device .......................................................................... 15

11.6.3 Filler wire overrun ........................................................................................ 15

11.7 Feeding ................................................................................................................ 15

11.8 Protection against mechanical hazards ................................................................. 16

12 Rating plate ................................................................................................................... 16

12.1 General ................................................................................................................. 16

12.2 Description ........................................................................................................... 16

12.3 Contents ............................................................................................................... 17

13 Indication of wire-feed speed ......................................................................................... 18

14 Instructions and markings .............................................................................................. 18

14.1 Instructions ........................................................................................................... 18

14.2 Markings ............................................................................................................... 19

Annex A (normative) Determination of the variation in wire-feed speed ................................ 20

A.1 With respect to load change .................................................................................. 20

A.2 With respect to supply voltage change .................................................................. 20

A.3 With respect to temperature rise ........................................................................... 21

Annex B (informative) Example of a rating plate of a stand-alone wire feeder ...................... 22

Bibliography .......................................................................................................................... 23

Figure 1 – Principle of the rating plate of stand-alone wire feeder ......................................... 17

Figure B.1 – Stand-alone wire feeder .................................................................................... 22

Table 1 – Minimum degree of protection ................................................................................. 9

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SIST EN IEC 60974-5:2020
– 4 – IEC 60974-5:2019 © IEC 2019
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ARC WELDING EQUIPMENT –
Part 5: Wire feeders
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 60974-5 has been prepared by IEC technical committee 26:

Electric welding.

This fourth edition cancels and replaces the third edition published in 2013 and constitutes a

technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
• changes induced by the publication of IEC 60974-1:2017;
• addition of requirements for welding circuit connections in 6.9;
• clarification of requirements and conformity in 6.3.1;
• clarification of thermal requirements in Clause 9;
• addition of requirements in relation to abnormal operation in Clause 10.
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SIST EN IEC 60974-5:2020
IEC 60974-5:2019 © IEC 2019 – 5 –
The text of this International Standard is based on the following documents:
FDIS Report on voting
26/672/FDIS 26/677/RVD

Full information on the voting for the approval of this International Standard can be found in

the report on voting indicated in the above table.

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

In this document, the following print types are used:
– conformity statements: in italic type.

– terms used throughout this document which have been defined in Clause 3: in SMALL

CAPITALS.
This International Standard is to be used in conjunction with IEC 60974-1:2017.

A list of all parts in the IEC 60974 series, published under the general title Arc welding

equipment, can be found on the IEC website.

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

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
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SIST EN IEC 60974-5:2020
– 6 – IEC 60974-5:2019 © IEC 2019
ARC WELDING EQUIPMENT –
Part 5: Wire feeders
1 Scope

This part of IEC 60974 specifies safety and performance requirements for industrial and

professional equipment used in arc welding and allied processes to feed filler wire.

This document is applicable to WIRE FEEDERS and to WIRE-FEED CONTROLS that are stand-alone

(separate from the welding equipment), housed together in a single enclosure or housed in a

single enclosure with other welding equipment. The WIRE FEEDER can be suitable for manually

or mechanically guided torches.

This document is not applicable to spool-on torches, which are covered by IEC 60974-7.

NOTE 1 Typical allied processes are electric arc cutting and arc spraying.

NOTE 2 This document does not include electromagnetic compatibility (EMC) requirements, which are given in

IEC 60974-10.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their

content constitutes requirements 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.

IEC 60050-195, International Electrotechnical Vocabulary (IEV) – Part 195: Earthing and

protection against electric shock
IEC 60529, Degrees of protection provided by enclosures (IP Code)
IEC 60974-1:2017, Arc welding equipment – Part 1: Welding power sources
IEC 60974-1:2017/AMD1:2019
IEC 60974-7, Arc welding equipment – Part 7: Torches

IEC 60974-10, Arc welding equipment – Part 10: Electromagnetic compatibility (EMC)

requirements

IEC 61140, Protection against electric shock – Common aspects for installation and

equipment
3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60050-195,

IEC 60974-1, IEC 60974-7, and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
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SIST EN IEC 60974-5:2020
IEC 60974-5:2019 © IEC 2019 – 7 –
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
drive roll

roll in contact with the filler wire and which transfers mechanical power to the filler wire

3.2
filler wire supply

source of filler wire and means for dispensing filler wire to the feeding mechanism

[SOURCE: IEC 60050-851:2008, 851-14-45]
3.3
liner
replaceable component that guides the filler wire

[SOURCE: IEC 60050-851:2008, 851-14-35, modified – The LINER is replaceable and is not

required to be in the cable-hose assembly.]
3.4
maximum load

maximum value of the force required to feed the specified types and sizes of filler wires over

the RATED SPEED RANGE

[SOURCE: IEC 60050-851:2008, 851-12-23, modified – Abbreviated wording and elimination

of rated temperature condition.]
3.5
rated speed range

speed range of the filler wire assigned by the manufacturer for each specified size of filler

wire

[SOURCE: IEC 60050-851:2008, 851-12-19, modified – The term "specified" is used instead

of "rated".]
3.6
rated supply current
RMS value of an input current to the WIRE FEEDER at MAXIMUM LOAD
3.7
wire-feed control

electrical or mechanical apparatus, or both, which control(s) the speed of the filler wire, the

sequence of operations and other services as required

Note 1 to entry: The wire feed control may be integral with the WIRE FEEDER or in a separate enclosure.

[SOURCE: IEC 60050-851:2008, 851-14-40]
3.8
wire feeder

equipment that delivers filler wire to the arc or weld zone which includes means to apply

motion to the filler wire

Note 1 to entry: The WIRE FEEDER may also include the WIRE-FEED CONTROL, the FILLER WIRE SUPPLY, devices for

gas control, indicators and remote connectors.
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SIST EN IEC 60974-5:2020
– 8 – IEC 60974-5:2019 © IEC 2019

[SOURCE: IEC 60050-851:2008, 851-14-39, modified – The definition includes optional

equipment within the note and the WIRE-FEED CONTROL is not a mandatory part of the WIRE

FEEDER.]
4 Environmental conditions
The environmental conditions are as specified in Clause 4 of IEC 60974-1:2017.
5 Tests
5.1 Test conditions
The test conditions are as specified in 5.1 of IEC 60974-1:2017.
5.2 Measuring instruments
The accuracy of measuring instruments shall be:

a) electrical measuring instruments: class 1 (±1 % of full-scale reading), except for the

measurement of insulation resistance and dielectric strength where the accuracy of the

measuring instruments is not specified, but shall be taken into account for the
measurement;
b) thermometer: ±2 K;
c) tachometer: ±1 % of full-scale reading;
d) pressure measuring instruments: class 2,5 (±2,5 % of full-scale reading).
5.3 Conformity of components

The conformity of components is as specified in 5.3 of IEC 60974-1:2017/AMD1:2019.

5.4 Type tests
All type tests given below shall be carried out on the same WIRE FEEDER.

As a condition of conformity, the type tests given below shall be carried out in the following

sequence:
a) visual inspection (as defined in 3.1.7 of IEC 60974-1:2017);

b) insulation resistance (as specified in 6.1.4 of IEC 60974-1:2017 (preliminary check));

c) enclosure (as specified in 14.2 of IEC 60974-1:2017);
d) handling means (as specified in 14.3 of IEC 60974-1:2017);
e) drop withstand (as specified in 14.4 of IEC 60974-1:2017);
f) protection provided by the enclosure (as specified in 6.2.1);
g) insulation resistance (as specified in 6.1.4 of IEC 60974-1:2017);
h) dielectric strength (as specified in 6.1.5 of IEC 60974-1:2017);
i) visual inspection (as defined in 3.1.7 of IEC 60974-1:2017).

The other tests included in this document and not listed here shall be carried out, but may be

completed in any convenient sequence.
5.5 Routine tests

All routine tests given below shall be carried out on each WIRE FEEDER in the following

sequence:
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SIST EN IEC 60974-5:2020
IEC 60974-5:2019 © IEC 2019 – 9 –
a) visual inspection in accordance with manufacturer's specification;

b) continuity of the protective circuit, if applicable (as specified in 10.5.3 of

IEC 60974-1:2017);
c) dielectric strength (as specified in 6.1.5 of IEC 60974-1:2017).
6 Protection against electric shock
6.1 Insulation
Subclause 6.1 of IEC 60974-1:2017 applies.
6.2 Protection against electric shock in normal service (direct contact)
6.2.1 Protection provided by the enclosure

IRE FEEDERS shall have a minimum degree of protection in accordance with Table 1 using

IEC 60529 test procedures and conditions.
Table 1 – Minimum degree of protection
Designed for Designed for
Component
indoor use outdoor use
Motor and control supplied by a voltage ≤ SELV IP2X IP23S
Motor and control supplied by a voltage > SELV IP21S IP23S
Live parts at welding potential for WIRE FEEDERS used wit
...

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