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ASTM D 3145 : 2020

Current

Current

The latest, up-to-date edition.

Standard Test Method for Thermal Endurance of Electrical Insulating Varnishes by Helical Coil Method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-09-2020

€49.35
Excluding VAT

Committee
D 09
DocumentType
Test Method
Pages
3
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This test method covers the determination of the thermal endurance of electrical insulating varnishes alone or in combinations with magnet wire insulation. Changes in the helical coil bond strength are used as the test criteria. The coils are made from bare aluminum or copper wire, or from film- or fiber-insulated magnet wire.

1.2The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Note 1:There is no similar or equivalent IEC standard.

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement, see Section 7.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D 5423 : 2022 Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation
ASTM D 1711 : 2011 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2024 : REV A Standard Terminology Relating to Electrical Insulation
ASTM D 5423 : 2023 Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation
ASTM D 2307 : 2007 : REV A : R2013 Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire
ASTM D 1711 : 2024 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2022 Standard Terminology Relating to Electrical Insulation
ASTM D 2307 : 2021 Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire
ASTM D 1711 : 2020 Standard Terminology Relating to Electrical Insulation
ASTM D 5423 : 2014 Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation

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