BS EN IEC 61039:2025 - TC

This standard BS EN IEC 61039:2025 - TC Tracked Changes. Classification of insulating liquids is classified in these ICS categories:

• 29.040.10 Insulating oils

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.