prEN IEC 61039:2023

Classification of insulating liquids

Klassifizierung der Isolierflüssigkeiten

Classification des liquides isolants

Splošna klasifikacija izolacijskih tekočin

General Information

• Status: Not Published
• Publication Date: 02-Apr-2025
• ICS: 29.040.10 - Insulating oils
• Technical Committee: CLC/SR 10 - Fluids for electrotechnical applications
• Drafting Committee: IEC/TC 10 - IEC_TC_10
• Current Stage: 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
• Start Date: 01-Dec-2023
• Completion Date: 01-Dec-2023
• Ref Project: oSIST prEN IEC 61039:2023 - Classification of insulating liquids

Relations

• Revises: EN 61039:2008 - Classification of insulating liquids
• Effective Date: 25-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN IEC 61039:2023
01-november-2023
Splošna klasifikacija izolacijskih tekočin
Classification of insulating liquids
Klassifizierung der Isolierflüssigkeiten
Classification des liquides isolants
Ta slovenski standard je istoveten z: prEN IEC 61039:2023
ICS:
29.040.10 Izolacijska olja Insulating oils
oSIST prEN IEC 61039:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 61039:2023

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oSIST prEN IEC 61039:2023
10/1204/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61039 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-09-08 2023-12-01
SUPERSEDES DOCUMENTS:
10/1189/CD, 10/1196A/CC

IEC TC 10 : FLUIDS FOR ELECTROTECHNICAL APPLICATIONS
SECRETARIAT: SECRETARY:
Italy Mr Massimo Pompili
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 14, TC 20, SC 36A, TC 38
Other TC/SCs are requested to indicate their interest, if any, in
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY

SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for Vote
(CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clauses to be
included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC clauses.
(See AC/22/2007 or NEW GUIDANCE DOC).

TITLE:
Classification of insulating liquids

PROPOSED STABILITY DATE: 2029

NOTE FROM TC/SC OFFICERS:


Copyright © 2023 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

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oSIST prEN IEC 61039:2023
10/1204/CDV – 2 – IEC CDV 61039  IEC 2023
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 ISO classification system . 7
4 Classification of insulating liquids . 7
4.1 Class classification . 7
4.2 Category classification . 8
4.3 Identifying code . 9
5 Summarizing outline . 11

Figure 1 – Meaning of all the digits present in the classification of insulating liquids . 12

Table 1 – Class classification of petroleum products or related products . 8
Table 2 – Examples of classification for different insulating liquids . 10

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oSIST prEN IEC 61039:2023
IEC CDV 61039  IEC 2023 – 3 – 10/1204/CDV
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_____________

CLASSIFICATION OF ELECTRICAL INSULATING LIQUIDS


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 standardizati
...