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Standards [CURRENT]

DIN EN 50243
Outdoor bushings for 24 kV and 36 kV and for 5 kA and 8 kA, for liquid filled transformers; German version EN 50243:2022

Title (German)

Durchführungen für Freiluft, 24 kV und 36 kV sowie 5 kA und 8 kA, für flüssigkeitsgefüllte Transformatoren; Deutsche Fassung EN 50243:2022

Overview

DIN EN 50243 is applicable to ceramic insulated outdoor bushings for highest voltages for equipment of 24 kV and 36 kV, with rated currents of 5 kA and 8 kA for insulating liquid filled transformers and frequencies from 15 Hz up to 60 Hz. This document establishes dimensions to ensure interchangeability and adequate mounting of bushings. This document applies to bushings installed such that the transformer side of the bushing is completely in insulating fluid and the other end in air. The bushings shall also meet all of the requirements of EN 60137. The standard differs from DIN EN 50243:2003-01 as follows: a) addition of the highest pollution class. Examples for application of this document include type A and B ceramic bushings for power transformers.