FprEN IEC 62770:2024

Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment

Flüssigkeiten für elektrotechnische Anwendungen - Neue natürliche Ester für Transformatoren und ähnliche elektrische Betriebsmittel

Fluides pour applications électrotechniques - Esters naturels neufs pour transformateurs et matériels électriques analogues

Tekočine za elektrotehniko - Neuporabljene naravne estrske tekočine za transformatorje in podobno električno opremo

General Information

• Status: Not Published
• Publication Date: 23-Jun-2024
• ICS: 29.040.01 - Insulating fluids in general
• Technical Committee: CLC/SR 10 - Fluids for electrotechnical applications
• Drafting Committee: IEC/TC 10 - IEC_TC_10
• Current Stage: 5060 - Voting results sent to TC, SR - Formal Approval
• Start Date: 22-Mar-2024
• Completion Date: 22-Mar-2024
• Ref Project: kSIST prEN IEC 62770:2024 - Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment

Relations

• Revises: EN 62770:2014 - Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
• Effective Date: 25-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN IEC 62770:2023
01-junij-2023
Tekočine za elektrotehniko - Neuporabljene naravne estrske tekočine za
transformatorje in podobno električno opremo
Fluids for electrotechnical applications - Unused natural esters for transformers and
similar electrical equipment
Flüssigkeiten für elektrotechnische Anwendungen - Neue natürliche Ester für
Transformatoren und ähnliche elektrische Betriebsmittel
Fluides pour applications électrotechniques - Esters naturels neufs pour transformateurs
et matériels électriques analogues
Ta slovenski standard je istoveten z: prEN IEC 62770:2023
ICS:
29.040.01 Izolacijski fluidi na splošno Insulating fluids in general
29.180 Transformatorji. Dušilke Transformers. Reactors
oSIST prEN IEC 62770:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN IEC 62770:2023

---------------------- Page: 2 ----------------------
oSIST prEN IEC 62770:2023
10/1195/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62770 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-04-07 2023-06-30
SUPERSEDES DOCUMENTS:
10/1178/CD, 10/1193/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, SC 17A, TC 20, SC 36A, TC 38, TC 99, TC 112
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,
• any relevant “in some countries” clauses to be included should this proposal proceed. Recipients are reminded that the
enquiry stage is the final stage for submitting "in some countries" clauses. See AC/22/2007.

TITLE:
Fluids for electrotechnical applications – Unused natural esters for transformers and similar electrical
equipment

PROPOSED STABILITY DATE: 2027

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.

---------------------- Page: 3 ----------------------
oSIST prEN IEC 62770:2023
– 2 – CDV IEC 62770  IEC 2023
CONTENTS
CONTENTS . 2
FOREWORD . 3
INTRODUCTION . 5
Scope . 6
Normative references . 6
3 Terms and definitions . 8
Properties, their significance and test methods . 8
4.1 General . 8
4.2 Physical properties . 8
4.2.1 Appearance & Colour . 8
4.2.2 Viscosity . 8
4.2.3 Pour point . 8
4.2.4 Water content. 9
4.2.5 Density .
...