DPS
Drejtoria e Përgjithshme e Standardizimit

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Phone: +355 4 222 62 55
E-mail: info@dps.gov.al
Address: Address: "Reshit Collaku" Str., (nearby ILDKPKI, VI floor), Po.Box 98, Tiranë - Albania

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IEC TR 63646 ED1

Guideline for retrofilling mineral oil immersed transformers up to 72,5 kV with ester-based insulating liquids

General information

Current stage: 50.20 Effective date: Nov 14, 2025

Next stage: PRVDTR Next stage date: Jan 9, 2026

Originator: IEC

Owner: TC 10

Type: Technical Report

ICS: 29.040.10

Life cycle

NOW

IN_DEVELOPMENT
IEC TR 63646 ED1
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Nov 14, 2025

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