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DIN EN IEC 60156 VDE 0370-5:2025-09

Insulating liquids

Determination of the breakdown voltage at power frequency – Test method

(IEC 60156:2025); German version EN IEC 60156:2025
Class/Status: Standard, valid
Released: 2025-09
VDE Art. No.: 0300187

Note: You can pre-order this document (delivery subject to availability). Valid from 2025-09-01.

This document specifies the method for determining the dielectric breakdown voltage of insulating liquids at power frequency. The test procedure is performed in a specified apparatus, where the oil sample is subjected to an increasing AC electrical field until breakdown occurs.

This Document is related to the following Topics (in bold):

29	ELECTRICAL ENGINEERING
29.020	Electrical engineering in general
29.030	Magnetic materials
29.035	Insulating materials
29.040	Insulating fluids
29.050	Superconductivity and conducting materials
29.060	Electrical wires and cables
29.080	Insulation
29.100	Components for electrical equipment
29.120	Electrical accessories
29.130	Switchgear and controlgear
29.140	Lamps and related equipment
29.160	Rotating machinery
29.180	Transformers. Reactors
29.200	Rectifiers. Converters. Stabilized power supply
29.220	Galvanic cells and batteries
29.240	Power transmission and distribution networks
29.260	Electrical equipment for working in special conditions
29.280	Electric traction equipment

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DIN EN IEC 60156 VDE 0370-5:2025-09

Insulating liquids

Determination of the breakdown voltage at power frequency – Test method

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