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EN IEC 62770:2024

Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment EN IEC 62770:2024

Publication date:   Feb 9, 2024

General information

60.60 Standard published   Nov 15, 2024

CENELEC

CLC/SR 10 Fluids for electrotechnical applications

European Norm

29.040.01   Insulating fluids in general

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Scope

IEC 62770:2024 describes specifications and test methods for unused natural esters in transformers and similar liquid-immersed electrical equipment in which a liquid is required as an insulating and heat transfer medium. The exposure of natural ester to air leads to deterioration of the insulating liquid. Use of natural esters is therefore restricted to sealed units, or with the conservator tank protected from the contact with atmosphere by a membrane or other suitable system.

Life cycle

PREVIOUSLY

PUBLISHED
EN 62770:2014

NOW

PUBLISHED
EN IEC 62770:2024
60.60 Standard published
Nov 15, 2024