EN 60079-6:2015/A1:2024

SLOVENSKI STANDARD
01-maj-2025
Eksplozivne atmosfere - 6. del: Zaščita opreme s potopitvijo v tekočino "o" (IEC
60079-6:2015/A1:2020)
Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o" (IEC
60079-6:2015/A1:2020)
Explosionsgefährdete Bereiche - Teil 6: Geräteschutz durch Flüssigkeitskapselung "o"
(IEC 60079-6:2015/A1:2020)
Atmosphères explosives - Partie 6: Protection du matériel par immersion dans le liquide
"o" (IEC 60079-6:2015/A1:2020)
Ta slovenski standard je istoveten z: EN 60079-6:2015/A1:2024
ICS:
29.260.20 Električni aparati za Electrical apparatus for
eksplozivna ozračja explosive atmospheres
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60079-6:2015/A1

NORME EUROPÉENNE
EUROPÄISCHE NORM December 2024
ICS 29.260.20
English Version
Explosive atmospheres - Part 6: Equipment protection by liquid
immersion "o"
(IEC 60079-6:2015/A1:2020)
Atmosphères explosives - Partie 6: Protection du matériel Explosionsgefährdete Bereiche - Teil 6: Geräteschutz durch
par immersion dans le liquide "o" Flüssigkeitskapselung "o"
(IEC 60079-6:2015/A1:2020) (IEC 60079-6:2015/A1:2020)
This amendment A1 modifies the European Standard EN 60079-6:2015; it was approved by CENELEC on 2020-03-30. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye 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
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60079-6:2015/A1:2024 E

European foreword
The text of document 31/1517/FDIS, future edition 4 of IEC 60079-6/A1, prepared by TC 31
"Equipment for explosive atmospheres" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 60079-6:2015/A1:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2025-12-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-12-31
document have to be withdrawn
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.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60079-6:2015/A1:2020 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60214 series NOTE Approved as EN 60214 series
IEC 61936-1 NOTE Approved as EN IEC 61936-1
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.cencenelec.eu.
Add the following references:
Publication Year Title EN/HD Year
IEC 60071 series Insulation co-ordination EN IEC 60071 series
IEC 60076-3 - Power transformers - Part 3: Insulation EN 60076-3 -
levels, dielectric tests and external
clearances in air
IEC 60079-1 - Explosive atmospheres - Part 1: EN 60079-1 -
Equipment protection by flameproof
enclosures "d"
IEC 60079-2 - Explosive atmospheres - Part 2: EN 60079-2 -
Equipment protection by pressurized
enclosure "p"
IEC 60079-33 - Explosive atmospheres - Part 33: CLC/TR 60079-33 -
Equipment protection by special protection
's'
IEC 60137 - Insulated bushings for alternating voltages EN 60137 -
above 1000 V
IEC 62770 - Fluids for electrotechnical applications - EN IEC 62770 -
Unused natural esters for transformers and
similar electrical equipment
IEC 60079-6 ®
Edition 4.0 2020-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Explosive atmospheres –
Part 6: Equipment protection by liquid immersion "o"

Atmosphères explosives –
Partie 6: Protection du matériel par immersion dans le liquide "o"

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.260.20 ISBN 978-2-8322-7866-6

– 2 – IEC 60079-6:2015/AMD1:2020
 IEC 2020
FOREWORD
This amendment has been prepared by IEC technical committee 31: Equipment for explosive
atmospheres.
The text of this amendment is based on the following documents:
FDIS Report on voting
31/1517/FDIS 31/1526/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base 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.
_____________
1 Scope
Delete the Note.
Add, after the fourth paragraph of Clause 1, the following new text:
Additionally, for Level of Protection "oc", Annex D applies where the rated voltage exceeds
15 kV AC RMS or DC and up to 245 kV AC RMS or DC.
Annex D applies specifically to liquid immersed transformers and reactors, and other liquid
immersed equipment such as swivels for off-shore platforms, power regulators, tap changers
and earthing/switching resistors.
2 Normative references
Add the following new references:
IEC 60071 (all parts), Insulation co-ordination
IEC 60076-3, Power transformers – Part 3: Insulation levels, dielectric tests and external
clearances in air
IEC 60079-1, Explosive atmospheres – Part 1: Equipment protection by flameproo
...