SR EN IEC 61039:2025

Classification of insulating liquids

IEC 61039:2025 establishes the detailed classification of the N family (insulating liquids) that belongs to class L (lubricants, industrial oils and related products) in accordance with ISO 8681 and ISO 6743-99, affecting product categories that include products derived from petroleum processing, synthetic chemical products and synthetic and natural esters.

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General information

Status : Valid
Approval date : 5/30/2025
Number of pages : 32
ICS : 29.040.10 Insulating oils
Technical Committee : 5 - Insulation materials and electrical insulation systems

Relations with other standards:

Replaces SR EN 61039:2009